Publications

Journal Papers

(†Equal Contribution, *Undergraduate Researcher)

1. H. J. Gonzalez Malabet, M. F. Gober, P. Patel, A. D. L’Antigua, A. Gabhart, J. K. Amai, X. Xiao, and G. J. Nelson, “Voltage and Temperature Effects on Low Cobalt Lithium-ion Battery Cathode Degradation,” Energy Advances, 2025, Advance Article.
   https://doi.org/10.1039/D4YA00530A

2. S. Tang, S. V. Venkatakrishnan, M. S. N. Chowdhury, D. Yang, M. Gober, G. T. Buzzard, G. J. Nelson, M. Cekanova, H. D. Skorpenske, C. A. Bouman, and H. Z. Bilheux, “A Machine Learning Decision Criterion for Reducing Scan Time for Hyperspectral Neutron Computed Tomography Systems,” Scientific Reports, 2024, 14, Article 15171.
   https://doi.org/10.1038/s41598-024-63931-x

3. V. M. Fontalvo, G. J. Nelson, O. Pupo-Roncallo, M. E. Sanjuan and H. A. Gomez, “A Techno-economic Study for Fuel Cell Hybrid Systems in Stationary Applications,” International Journal of Sustainable Energy, 2023, 42(1), 889-912.
   https://doi.org/10.1080/14786451.2023.2244605 

4. M. D. Flannagin, B. Barnes, W. O’Donoghue, J. Mayeur, K. Hazeli and G. J. Nelson, “Electrochemical Response of Alkaline Batteries Subject to Quasi-Static and Dynamic Loading,” Journal of the Electrochemical Society, 2023, 170, Article 010521.
   https://doi.org/10.1149/1945-7111/acaad0 

5. P. Patel, G. Zhang and G. J. Nelson, “Assessing the Impact of Electrode Structure on the Fast Charge Performance of Lithium-ion Batteries,” Journal of the Electrochemical Society, 2023, 170, Article 010501.
   https://doi.org/10.1149/1945-7111/acadb0 

6. A. Brügger, H. Bilheux, J. Lin, G. J. Nelson, A. Kiss, J. Morris, M. Connolly, A. Long, A. Tremsin, A. Strzelec, M. Anderson, R. Agasie, C. Finney, M. Wissink, M. Hubler, R. Pellenq, C. White, B. Heuser, A. Craft, J. Harp, C. Tan, K. Morris, A. Junghans, S. Sevanto, J. Warren, F. E. Florez, A. S. Biris, M. Cekanova, N. Kardjilov, B. Schillinger, M. Frost and S. Vogel, “CUPI2D: Complex, Unique and Powerful Imaging Instrument for Dynamics,” Review of Scientific Instruments, 2023, 94, Article 051301.
   https://doi.org/10.1063/5.0131778 

7. S. Sarkar, H. J. Gonzalez Malabet, M. D. Flannagin, A. D. L’Antigua, P. Shevchenko, G. J. Nelson and P. P. Mukherjee, “Multiscale Electro-Chemo-Mechanics Interaction and Degradation Analytics of Sn Electrodes for Sodium-ion Batteries,” ACS Applied Materials and Interfaces, 2022, 14(26), 29711–29721.
   https://doi.org/10.1021/acsami.2c02772 

8. H. J. Gonzalez Malabet, G. M. Cavalheiro, T. Iriyama, A. Gabhart, G. J. Nelson and G. Zhang, “Electrochemical and Post-mortem Degradation Analysis of Lithium-Ion Cells Subjected to Long Term Cycling under Non-Uniform Thermal Conditions,” Journal of the Electrochemical Society, 2021, 168, Article 100507. (Open Access)
   https://doi.org/10.1149/1945-7111/ac2a7c 

9. J. N. Adams and G. J. Nelson, “Cycling Induced Microstructural Changes in Alloy Anodes for Lithium-Ion Batteries,” ASME Journal of Electrochemical Energy Conversion and Storage, 2021, 18(4), Article 040907. (Invited Paper)
   https://doi.org/10.1115/1.4051550 

10. H. J. Gonzalez Malabet, D. Juarez Robles, V. De Andrade, P. P. Mukherjee, and G. J. Nelson, “In Operando XANES Imaging of High Capacity Intermetallic Anodes for Li-ion Batteries,” Journal of the Electrochemical Society, 2020, 167(4) Article 040523.
    https://doi.org/10.1149/1945-7111/ab78fb

11. S. Y. Shin, T. Rajendra* and G. J. Nelson, “Mesoscale Transport-Geometry Interactions in Lithium Ion Cathode Active Materials: Particle Scale Galvanostatic Simulations Based on X-ray Nanotomography Data,” Journal of Power Sources, 2020, 454, Article 227891.
    https://doi.org/10.1016/j.jpowsour.2020.227891

12. P. Patel and G. J. Nelson, “The Influence of Structure on the Electrochemical and Thermal Response of Li-Ion Battery Electrodes,” ASME Journal of Energy Resources Technology, 2020, 142(5), Article 050906. (Invited Paper)
    https://doi.org/10.1115/1.4045820

13. G. M. Cavalheiro, T. Iriyama, G. J. Nelson, S. Huang and G. Zhang, “Effects of Non-Uniform Temperature Distribution on Degradation of Lithium-ion Batteries,” ASME Journal of Electrochemical Energy Conversion and Storage, 2020, 17(2), Article 021101.
    https://doi.org/10.1115/1.4045205 

14. Z. Lu, X. Liu, B. Zhang, Z. Gan, S. Tang, L. Ma, T. Wu, G. J. Nelson, Y. Qin, C. H. Turner and Y. Lei, Structure and Reactivity of Single Site Ti Catalysts for Propylene Epoxidation,” Journal of Catalysis, Journal of Catalysis, 2019, 377, 419-428.
    https://doi.org/10.1016/j.jcat.2019.07.051 

15. T. Rajendra*, A. Mistry, P. P. Patel, L. J. Ausderau, X. Xiao, P. P. Mukherjee and G. J. Nelson, “Quantifying Transport, Geometrical, and Morphological Parameters in Li-Ion Cathode Phases Using X-ray Microtomography,” ACS Applied Materials and Interfaces, 2019, 11 (22), 19933-19942.
    https://doi.org/10.1021/acsami.8b22758 

16. V. M. Fontalvo, G. J. Nelson, H. A. Gomez and M. E. Sanjuan, “An Enhanced Fuel Cell Dynamic Model with Electrochemical Phenomena Parameterization as Test Bed for Control System Analysis,” ASME Journal of Electrochemical Energy Conversion and Storage, 2019, 16(1), Article 031007.
    https://doi.org/10.1115/1.4042726 

17. D. Juarez-Robles, H. J. Gonzalez-Malabet, M. L’Antigua*, X. Xiao, G. J. Nelson and P. P. Mukherjee, “Elucidating Lithium Alloying Induced Degradation Evolution in High Capacity Electrodes,” ACS Applied Materials and Interfaces, 2019, 11(1), 563–577.
    https://doi.org/10.1021/acsami.8b14242 

18. R. S. Longchamps, Z. K. van Zandt, H. Z. Bilheux, I. Dhiman, L. J. Santodonato, Y. Ulyanova, S. Singhal and G. J. Nelson, “Neutron Imaging and Electrochemical Characterization of a Glucose Oxidase-based Enzymatic Electrochemical Cell,” ASME Journal of Electrochemical Energy Conversion and Storage, 2018, 15(1), Article 011007. (Invited Article for Special Issue on Emerging Investigators in Electrochemical Energy Conversion and Storage)
    https://doi.org/10.1115/1.4038244 

19. L. J. Ausderau, H. J. Gonzalez-Malabet, J. R. Buckley, V. De Andrade, Y. Liu and G. J. Nelson, “Elemental and Chemical Mapping of High Capacity Intermetallic Li-ion Anodes with Transmission X-ray Microscopy,” JOM, 2017, 69(9), p. 1478-1483. (Invited Paper)
    https://doi.org/10.1007/s11837-017-2416-5 

20. G. J. Nelson, L. J. Ausderau, J. R. Buckley, S. Y. Shin*, A. Mistry, P. P. Mukherjee, V. De Andrade, “Transport-Geometry Interactions in Li-ion Cathode Materials Imaged Using X-ray Nanotomography”, Journal of the Electrochemical Society, 2017, 164(7), p. A1412-A1424.
    https://doi.org/10.1149/2.0261707jes 

21. G. J. Nelson, Z. K. van Zandt and P. D. Jibhakate, “Direct X-ray Imaging as a Tool for Understanding Multiphysics Phenomena in Energy Storage”, ASME Journal of Electrochemical Energy Conversion and Storage, 2016, 13(3), Article 030802.
    https://doi.org/10.1115/1.4034415 

22. E. E. Looney†*, G. J. Nelson†, Z. K. van Zandt, Y. Ulyanova, S. Singhal, L. Santodonato and H. Bilheux, “Ex Situ and In Situ Neutron Imaging of Enzymatic Electrochemical Cells”, Electrochimica Acta, 2016, 213, p. 244-251.
    https://doi.org/10.1016/j.electacta.2016.07.046 

23. Z. K. van Zandt and G. J. Nelson, “Solid Oxide Cell Microstructural Performance for Hydrogen and Carbon Monoxide Reactant Streams”, ASME Journal of Electrochemical Energy Conversion and Storage, 2016, 13(1), Article 011009.
    https://doi.org/10.1115/1.4034114 

24. G. J. Nelson, “An Analytical Approach to Solid Oxide Cell Electrode Geometric Design,” Journal of Power Sources, 2015, 300, p. 365-375.
    https://doi.org/10.1016/j.jpowsour.2015.09.085 

25. M. B. DeGostin, A. Nakajo, B. N. Cassenti, A. A. Peracchio, G. J. Nelson, W. K. S. Chiu, “Geometric Sensitivity of Electrochemical Fin Shape on Three Dimensional Microstructure Network Conductivity Analysis,” Journal of Power Sources, 2015, 291, p. 181-194.
    https://doi.org/10.1016/j.jpowsour.2015.04.153 

26. G. J. Nelson, A. Nakajo, B. N. Cassenti, M. B. Degostin, K. R. Bagshaw, A. A. Peracchio, G. Xiao, S. Wang, F. Chen and W. K. S. Chiu, “A Rapid Analytical Assessment Tool for Three Dimensional Electrode Microstructural Networks with Geometric Sensitivity,” Journal of Power Sources, 2014, 246, p. 322-334.
    https://doi.org/10.1016/j.jpowsour.2013.07.009 

27. B. N. Cassenti, G. J. Nelson, M. B. DeGostin and W. K. S. Chiu, “Exact Solutions for One-Dimensional Transport in Extended Surface Models of SOFC Electrodes,” Journal of Power Sources, 2014, 265, p. 282-290.
    https://doi.org/10.1016/j.jpowsour.2014.02.113 

28. W. M. Harris, J. J. Lombardo, G. J. Nelson, B. Lai, S. Wang, J. Vila-Comamala, M. Liu, M. Liu and W. K. S. Chiu, "Three-Dimensional Visualization of Nickel Sulfide Formation in Ni-YSZ Solid Oxide Fuel Cell Anodes Subjected to Hydrogen Sulfide," Scientific Reports, 2014, 4, Article 5246.
    https://doi.org/10.1038/srep05246 

29. A. P. Cocco†, G. J. Nelson†, W. M. Harris, A. Nakajo, J. J. Lombardo, T. D. Myles, A. M. Kiss and W. K. S. Chiu, “Three Dimensional Microstructural Imaging Methods for Energy Materials,” Physical Chemistry Chemical Physics, 2013, 15(39), p. 16377-16407. (Feature Article, Front Cover)
    https://doi.org/10.1039/c3cp52356j 

30. G. J. Nelson, B. N. Cassenti, A. A. Peracchio and W. K. S. Chiu, “An Analytical Method for Dye-Sensitized Solar Cell Geometric Design,” Electrochimica Acta, 2013, 90, p. 475-481.
    https://doi.org/10.1016/j.electacta.2012.12.025 

31. A. M. Kiss, T. D. Myles, K. N. Grew, A. A. Peracchio, G. J. Nelson and W. K. S. Chiu, “Carbonate and Bicarbonate Ion Transport in Alkaline Anion Exchange Membranes,” Journal of the Electrochemical Society, 2013, 160(9), p. F994-F999.
    https://doi.org/10.1149/2.037309jes 

32. W. M. Harris, J. J. Lombardo, M. B. DeGostin, G. J. Nelson, H. Luebbe, J. A. Schuler, J. Van herle, J. C. Andrews, Y. Liu, P. Pianetta, Y. K. Chen, J. Wang and W. K. S. Chiu, “Influence of Poisoning Phases in the Neodymium Nickelate Solid Oxide Fuel Cell Cathode,” Solid State Ionics, 2013, 237, p. 16-21.
    https://doi.org/10.1016/j.ssi.2013.01.020 

33. M. E. Lynch, D. Ding, W. M. Harris, J. J. Lombardo, G. J. Nelson, W. K. S. Chiu and M. Liu, “Flexible Multiphysics Simulation of Porous Electrodes: Conformal to 3D Reconstructed Microstructures,” Nano Energy, 2013, 2(1), p. 105-115.
    https://doi.org/10.1016/j.nanoen.2012.08.002 

34. G. J. Nelson, K. N. Grew, J. R. Izzo, Jr., J. J. Lombardo, W. M. Harris, A. Faes, A. Hessler-Wyser, J. Van herle, S. Wang, Y. S. Chu, A. V. Virkar and W. K. S. Chiu, “Three-Dimensional Microstructural Changes in the Ni-YSZ Solid Oxide Fuel Cell Anode During Operation,” Acta Materialia, 2012, 60(8), p. 3491-3500.
    https://doi.org/10.1016/j.actamat.2012.02.041 

35. G. J. Nelson, B. N. Cassenti, A. A. Peracchio and W. K. S. Chiu, “Microstructural Effects on Electronic Charge Transfer in Li-Ion Battery Cathodes,” Journal of the Electrochemical Society, 2012, 159(5), p. A598-A603.
    https://doi.org/10.1149/2.070205jes 

36. G. J. Nelson, B. N. Cassenti, A. A. Peracchio and W. K. S. Chiu, “Two-Dimensional Charge Transfer and Space Charge Effects in Extended Surface Solid Oxide Fuel Cell Electrodes,” Journal of Power Sources, 2012, 205, p. 48-56.
    https://doi.org/10.1016/j.jpowsour.2012.01.009 

37. F. Abdeljawad, G. J. Nelson, W. K. S. Chiu and M. Haataja, “Redox Instability, Mechanical Deformation, and Damage Accumulation in Solid Oxide Fuel Cell Anodes: A Continuum Simulation Approach,” Journal of Applied Physics, 2012, 112(3), Article 036102.
    https://doi.org/10.1063/1.4745038 

38. T. D. Myles, G. J. Nelson, A. A. Peracchio, W. K. S. Chiu, R. J. Roy, B. L. Murach and G. A. Adamson, “Species Transport in a High Pressure Oxygen Generating Proton Exchange Membrane Electrolyzer,” International Journal of Hydrogen Energy, 2012, 37(17), p. 12451-12463.
    https://doi.org/10.1016/j.ijhydene.2012.05.123 

39. W. K. S. Chiu, A. V. Virkar, F. Zhao, K. L. Reifsnider, G. J. Nelson, F. Rabbi and Q. Liu, “HeteroFoaMs: Electrode Modeling in Nano-structured Heterogeneous Materials for Energy Systems,” Journal of Fuel Cell Science and Technology, 2012, 9, Article 011019.
    https://doi.org/10.1115/1.4005142 

40. W. M. Harris, G. J. Nelson, A. M. Kiss, J. R. Izzo, Jr., W. K. S. Chiu, Y. Liu, M. Liu, Y. S. Chu and S. Wang, “Nondestructive Volumetric 3-D Chemical Mapping of Nickel-Sulfur Compounds at the Nanoscale,” Nanoscale, 2012, 4(5), p. 1557-1560.
    https://doi.org/10.1039/c2nr11690a 

41. G. J. Nelson, A. A. Peracchio and W. K. S. Chiu, “Analytical Investigations of Varying Cross Section Microstructures on Charge Transfer in SOFC Electrodes,” Journal of Power Sources, 2011, 196, p. 4695-4705.
    https://doi.org/10.1016/j.jpowsour.2010.12.103 

42. G. J. Nelson, W. M. Harris, J. R. Izzo, Jr., K. N. Grew, W. K. S. Chiu, Y. S. Chu, J. Yi, J. C. Andrews, Y. Liu and P. Pianetta, “Three Dimensional Mapping of Nickel Oxidation States using Full Field X-ray Absorption Near Edge Structure Nanotomography,” Applied Physics Letters, 2011, 98, Article 173109. (Featured in APS Science 2011)
    https://doi.org/10.1063/1.3574774 

43. G. J. Nelson, W. M. Harris, J. J. Lombardo, J. R. Izzo, Jr., W. K. S. Chiu, P. Tanasini, M. Cantoni, J. Van herle, C. Comninellis, J. C. Andrews, Y. Liu, P. Pianetta and Y. S. Chu, “Comparison of SOFC Cathode Microstructure Quantified using X-ray Nanotomography and Focused Ion Beam - Scanning Electron Microscopy,” Electrochemistry Communications, 2011, 13(6), p. 586-589.
    https://doi.org/10.1016/j.elecom.2011.03.016 

44. T. D. Myles, A. M. Kiss, K. N. Grew, A. A. Peracchio, G. J. Nelson and W. K. S. Chiu, “Calculation of Water Diffusion Coefficients in an Anion Exchange Membrane Using a Water Permeation Technique," Journal of the Electrochemical Society, 2011, 158(7), p. B790-B796.
    https://doi.org/10.1149/1.3585834 

45. G. J. Nelson and C. L. Haynes, “Continuum-level Solid Oxide Electrode Constriction Resistance Effects,” Journal of Power Sources, 2008, 185(2), p. 1168-1178.
    https://doi.org/10.1016/j.jpowsour.2008.07.020 

Conference Papers and Presentations

1. H. J. Gonzalez Malabet, M. D. Flannagin, J. K. Amai, A.D. L'Antigua, and G. J. Nelson, “Phase Interactions and Degradation in Battery Composite Electrodes,” 241st ECS Meeting, Vancouver, British Columbia, May 29-June 2, 2022. (Invited Talk)

2. H. J. Gonzalez Malabet, M. D. Flannagin, J. K. Amai, A.D. L'Antigua, and G. J. Nelson, “Multimodal Analysis of Low Cobalt Cathode Degradation in Lithium-Ion Batteries,” 240th ECS Meeting, Virtual Program, October 10-14, 2021.

3. A. Gabhart, R. Chow, J. Buckley, and G. J. Nelson, “Exergy Analysis of Electrochemical Systems for Space Exploration,” 240th ECS Meeting, Virtual Program, October 10-14, 2021.

4. S. Sarkar, G. J. Nelson and P. P. Mukherjee, “Sodiation Induced Chemo-Mechanics in Sn Electrodes,” 239th ECS Meeting, Virtual Program, May 30-June 3, 2021.

5. H. J. Gonzalez Malabet, A. Gabhart, M. Flannagin, A. L'Antigua, and G. J. Nelson, “Degradation Characterization in Low Cobalt Lithium-ion Intercalation Cathodes,” 2021 TMS Annual Meeting and Exhibition, Virtual Event, March 15-18, 2021.

6. J. R. Buckley and G. J. Nelson, “Oxidizer Pressure Drop Analysis of Porous Hybrid Motor Grains,” 2020 AIAA Propulsion and Energy Forum, Virtual Event, August 9-11, 2020.

7. H. J. Gonzalez Malabet and G. J. Nelson, “X-ray Imaging of Metallic Anodes for Lithium Ion Batteries and Beyond,” 2020 TMS Annual Meeting and Exhibition, San Diego, California, February 23-27, 2020. (Invited Talk)

8. T. R. Rajendra, P. Patel, S. Y. Shin and G. J. Nelson, “Analysis of Structure-Transport Interactions in Lithium Ion Batteries Supported by X-ray Imaging,” NASA Aerospace Battery Workshop, Huntsville, Alabama, November 19-21, 2019.

9. G. J. Nelson, “Multiscale Analysis of Battery Materials Using X-Ray Microscopy,” 236th ECS Meeting, Atlanta, Georgia, October 13-17, 2019. (Invited Talk)

10. G.M. Cavalheiro, T. Iriyama, G.J. Nelson, S. Huang, G. Zhang,” Effects of Non-Uniform Temperature Distributions on Lithium- Ion Battery Degradation,” 2019 ASME InterPACK Conference, Anaheim, California, October 7-9, 2019.

11. J. R. Buckley, R. T. White and G. J. Nelson, “Experimental Validation of the X-ray Determined Pore Size Distribution of Porous Hybrid Motor Grains,” 2019 AIAA Propulsion and Energy Forum, Indianapolis, Indiana, August 19-22, 2019.

12. P. Patel and G. J. Nelson, “The Influence of Structure on the Electrochemical and Thermal Response of Li-Ion Battery Electrodes,” 2019 ASME Energy Sustainability Conference, Bellevue, Washington, July 14-17, 2019.

13. T. Rajendra, Prehit Patel and G. J. Nelson, “Mutliscale Analysis of Lithium Ion Battery Materials Using X-ray Tomography,” 2019 TMS Annual Meeting and Exhibition, San Antonio, TX, March 10-14, 2019. (Invited Talk)

14. T. Rajendra, A. Mistry, X. Xiao, P. P. Mukherjee and G. J. Nelson, “Characterization of Transport Parameters in NMC Cathode Phases using X-ray Microtomography Data,” 2018 ASME International Mechanical Engineering Congress and Exposition, Pittsburgh, Pennsylvania November 9-15, 2018.

15. P. Patel, T. Rajendra and G. J. Nelson, “Tuning Electrode Structure to Improve the Rate Capability of Energy Dense Lithium Ion Batteries,” 2018 ASME International Mechanical Engineering Congress and Exposition, Pittsburgh, Pennsylvania November 9-15, 2018.

16. R. Chow, J. Perry and G. J. Nelson, “Electrolyzer Exergy Analysis for an Environmental Control and Life Support System,” 2018 ASME International Mechanical Engineering Congress and Exposition, Pittsburgh, Pennsylvania November 9-15, 2018.

17. J. N. Adams, L. J. Ausderau and G. J. Nelson, “Structural Changes in Alloy Anodes for Li-Ion Batteries,” 2018 ASME Energy Sustainability Conference, Orlando, Florida, June 26-30, 2018.

18. H. J. Gonzalez-Malabet, L. Ausderau, D. Juarez-Robles, X. Xiao, V. De Andrade, Y. Liu, P. P. Mukherjee, and G. J. Nelson, “Characterization and Chemical Mapping of High Capacity Intermetallic Li-Ion Anodes Using X-Ray Microscopy Techniques,” 233rd ECS Meeting, Seattle, Washington, May 13-17, 2018.

19. D. Juarez-Robles, H. J. Gonzalez-Malabet, L. Ausderau, X. Xiao, G. J. Nelson, and P. P. Mukherjee, “Electrochemical and Microstructural Analysis of Cu6Sn5 Alloy Electrodes,” 233rd ECS Meeting, Seattle, Washington, May 13-17, 2018.

20. H. J. Gonzalez-Malabet, J. N. Adams, L. J. Ausderau and G. J. Nelson, “Multiscale X-ray Imaging Studies of High Capacity Anode Degradation,” 2018 Gordon Research Conference: Batteries, Ventura, California, February 25-March 2, 2018.

21. S. Brockington, A. Case, E. Cruz, M.Luna, F. D. Witherspoon, L. Ausderau, J. Buckley and G. Nelson, “Fast, Fiber-Coupled Imaging of X-Ray Events,” 59th Annual Meeting of the APS Division of Plasma Physics, Milwaukee, Wisconsin, October 23-24, 2017.

22. J. R. Buckley and G. J. Nelson, “Pore Size Distribution and Surface Area Characterization of a Porous Hybrid Motor Grain,” 53rd AIAA/SAE/ASEE Joint Propulsion Conference, Atlanta, Georgia, July 10-12, 2017.

23. S. Y. Shin, P. P. Mukherjee and G. J. Nelson, “Multiphysics Analysis of Lithium Ion Cathode Active Materials Based on 3D Imaging Data,” 2017 ASME Energy Storage Forum, Charlotte, North Carolina, June 26-30, 2017.

24. H. J. Gonzalez-Malabet, L. J. Ausderau, J. R. Buckley, X. Xiao, Y. Liu and G. J. Nelson, “Structure and Composition Changes in Copper-Tin Alloy Anodes Observed with X-ray Microtomography and Nanotomography,” 2017 ASME Energy Storage Forum, Charlotte, North Carolina, June 26-30, 2017.

25. G. J. Nelson, “Transport in Battery Electrodes: Scaling Behavior Assessed Based on Real and Simulated Microstructures,” CHT-17: International Symposium on Advances in Computational Heat Transfer, Napoli, Italy, May 28-June 1, 2017. (Invited Talk)

26. G. J. Nelson, “A numerical investigation of active surface accessibility in Li-ion battery cathodes,” 2016 ASME International Mechanical Engineering Congress and Exposition, Phoenix, Arizona, November 11-17, 2016.

27. P. D. Jibhakate and G. J. Nelson, “Fabrication and Characterization of Nanostructured Cathodes for Li-Ion Batteries,” Proceedings of IMECE2016: 2016 ASME International Mechanical Engineering Congress and Exposition, Phoenix, Arizona, November 11-17, 2016.

28. R. S. Longchamps, Z. K. van Zandt, H. Z. Bilheux, I. Dhiman, L. J. Santodonato, Y. Ulyanova, S. Singhal and G. J. Nelson, “In Operando Neutron Imaging of Enzymatic Electrochemical Cells,” PRiME 2016: Pacific Rim Meeting on Electrochemical and Solid-State Science, Honolulu, Hawaii, October 2-7, 2016.

29. K. A. Clem, G. J. Nelson, B. L. Mesmer, M. D. Watson and J. L. Perry, “Exergy Based Analysis for the Environmental Control and Life Support Systems of the International Space Station,” 2016 AIAA Space and Astronautics Forum and Exposition, Long Beach, California, September 13-16, 2016.

30. J. R. Buckley and G. J. Nelson, “Computed Tomography Characterization of a Porous Hybrid Motor Grain with added Contrast Agent,” 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Salt Lake City, Utah, July 25-27, 2016.

31. E. E. Looney, G. J. Nelson, Z. K. van Zandt, Y. Ulyanova, S. Singhal, L. Santodonato and H. Bilheux, “Observation of Enzymatic Electrochemical Cells using Neutron Radiography and Tomography,” 2016 14th ASME Fuel Cell Science, Engineering and Technology Conference, Charlotte, North Carolina, June 26-30, 2016.

32. Z. K. van Zandt and G. J. Nelson, “A Non-Dimensional Analysis of the Transport-Reaction-Microstructure Interaction in Solid Oxide Cell Electrodes,” 2016 14th ASME Fuel Cell Science, Engineering and Technology Conference, Charlotte, North Carolina, June 26-30, 2016.

33. L. J. Ausderau, J. R. Buckley, V. De Andrade and G. J. Nelson, “X-Ray Nanotomography of Cu6Sn5 Anode Material for Li-Ion Batteries,” 229th ECS Meeting, San Diego, California, May 29-June 2, 2016.

34. G. J. Nelson, L. J. Ausderau, J. R. Buckley, A. Mistry, P. P. Mukherjee, V. De Andrade, “Transport-Geometry Interactions in Li-ion Cathode Materials Imaged Using X-ray Nanotomography,” 229th ECS Meeting, San Diego, California, May 29-June 2, 2016.

35. G. J. Nelson and Z. K. van Zandt, “A Multiphysics Study of Chemical Potential Distributions As Drivers for Solid Oxide Cell Mechanical Degradation,” 229th ECS Meeting, San Diego, California, May 29-June 2, 2016.

36. G. J. Nelson, L. J. Ausderau, J. R. Buckley, and Z. K. van Zandt, “3D Spectroscopic X-ray Imaging of Li-ion Battery Electrode Materials”, 2016 Gordon Research Conference: Batteries, Ventura, California, February 21-25, 2016.

37. G. J. Nelson, “Comparison of SOFC Performance Predictions Based on Analytical and Distributed Charge Transfer Models,” 2015 ASME International Mechanical Engineering Congress and Exposition, Houston, Texas, November 13-19, 2015.

38. A. Nakajo, A. M. Kiss, A. P. Cocco, W. M. Harris, M. B. DeGostin, F. Greco, G. J. Nelson, A. A. Peracchio, B. N. Cassenti, A. Deriy, S. Wang, Y. C. K. Chen-Wiegart, J. Wang, J. Van herle, W. K. S. Chiu, “Characterization of Cracks and Their Effects on the Effective Transport Pathways in Ni-YSZ Anodes after Reoxidation using X-Ray Nanotomography,” Fourteenth International Symposium on Solid Oxide Fuel Cells (SOFC-XIV), Paper No. 231, Glasgow, Scotland, July 26-31, 2015 (ECS Transactions 68(1): p. 1069-1081, 2015).

39. M. B. DeGostin, A. Nakajo, G. J. Nelson, B. N. Cassenti, A. A. Peracchio, W. K. S. Chiu, “Closed Form Solutions to Investigate Ionic Conductivity in Porous Fuel Cell Electrode Microstructures,” Proceedings of the 1st Thermal and Fluid Engineering Summer Conference, New York, New York, August 9-12, 2015.

40. J. R. Buckley, M. D. Denny, and G. J. Nelson, “Computed Tomography Characterization of a Porous Hybrid Motor Grain,” 51st AIAA/SAE/ASEE Joint Propulsion Conference, Orlando, Florida, July 27-29, 2015.

41. G. J. Nelson, “Multiscale Assessment of Charge and Mass Transfer in Solid Oxide Cells,” CHT-15: International Symposium on Advances in Computational Heat Transfer, Piscataway, New Jersey, May 25-29, 2015. (Invited Talk)

42. Z. K. Van Zandt and G. J. Nelson, “Parametric Studies of Microstructural Performance Effects in Solid Oxide Cells,” 2014 ASME International Mechanical Engineering Congress and Exposition, Montreal, Canada, November 14-20, 2014.

43. A. Nakajo, M. Cantoni, M. B. DeGostin, A. P. Cocco, G. J. Nelson, A. A. Peracchio, B. N. Cassenti, W. K. S. Chiu, J. Van herle, “Degradation of LSM-YSZ Cathode during Exposure Tests Analyzed by Focused Ion Beam-Scanning Electron Microscopy,” 65th Annual Meeting of the International Society of Electrochemistry, Lausanne, Switzerland, August 31-September 5, 2014.

44. G. J. Nelson, “X-ray Nanotomography Techniques for Li-ion Battery Electrode Materials,” 17th U.S. National Congress on Theoretical and Applied Mechanics, East Lansing, Michigan, June 15-20, 2014.

45. G. J. Nelson, “Performance Impacts of Tailored Surface Geometry in Li-Ion Battery Cathodes,” Proceedings of IMECE2013: 2013 ASME International Mechanical Engineering Congress and Exposition, San Diego, California, November 15-21, 2013.

46. W. M. Harris, J. J. Lombardo, B. Lai, G. J. Nelson, S. Wang, J. Vila-Comamala, M. Liu, M. Liu and W. K. S. Chiu, “Examining Effects of Sulfur Poisoning on Ni/YSZ Solid Oxide Fuel Cell Anodes Using Synchrotron-Based X-ray Imaging Techniques,” 2013 ASME International Mechanical Engineering Congress and Exposition, San Diego, California, November 15-21, 2013.

47. G. J. Nelson, B. N. Cassenti, A. A. Peracchio and W. K.S. Chiu, “An Analytical Method to Assess Microstructure in Li-Ion Battery Cathodes,” 2012 ASME International Mechanical Engineering Congress and Exposition, Houston, Texas, November 9-15, 2012.

48. A. Nakajo, G. J. Nelson, M. B. DeGostin, T. D. Myles, A. A. Peracchio and W. K. S. Chiu, “Characterization of Solid Oxide Fuel Cell Materials Based on Microstructural Skeletonization,” 2012 ASME International Mechanical Engineering Congress and Exposition, Houston, Texas, November 9-15, 2012.

49. A. M. Kiss, T. D. Myles, K. N. Grew, A. A. Peracchio, G. J. Nelson and W. K. S. Chiu, “Carbonate and Bicarbonate Ion Transport in Alkaline Anion Exchange Membranes,” PRiME 2012: Pacific Rim Meeting on Electrochemical and Solid-State Science, Honolulu, Hawaii, October 7-12, 2012.

50. J. J. Lombardo, B. Lai, W. M. Harris, G. J. Nelson, S. Wang, M. Liu, M. Liu and W. K. S. Chiu, “The Role of Sulfur in the Porous Cermet Solid Oxide Fuel Cell Anode Microstructure,” 2012 ASME Summer Heat Transfer Conference, San Juan, Puerto Rico, July 8-12, 2012.

51. A. P. Cocco, W. M. Harris, G. J. Nelson, J. J. Lombardo and W. K. S. Chiu, “X-Ray Methods for Composition-Sensitive 3D Mapping of Solid Oxide Fuel Cell Electrode Microstructures,” Proceedings of the 45th Power Sources Conference, Las Vegas, Nevada, June 11-14, 2012.

52. A. M. Kiss, T. D. Myles, K. N. Grew, A. A. Peracchio, G. J. Nelson and W. K. S. Chiu, “Predicting Carbonate Species Ionic Conductivity in Alkaline Anion Exchange Membranes,” Proceedings of the 45th Power Sources Conference, Las Vegas, Nevada, June 11-14, 2012.

53. G. J. Nelson, A. A. Peracchio, B. N. Cassenti and W. K. S. Chiu, “Investigation of the Impact of Sintering on SOFC Charge Transfer,” 2011 ASME International Mechanical Engineering Congress and Exposition, Denver, Colorado, November 11-17, 2011.

54. G. J. Nelson, J. R. Izzo, Jr., J. J. Lombardo, W. M. Harris, A. P. Cocco, W. K. S. Chiu, K. N. Grew, A. Faes, A. Hessler-Wyser, J. Van herle, Y. S. Chu and S. Wang, "X-ray Imaging and Analysis of 3D Microstructural Changes in Aged Ni-YSZ Anodes," Twelfth International Symposium on Solid Oxide Fuel Cells (SOFC-XII), 219th ECS Meeting, Paper No. 860, Montreal, Canada, May 1-6, 2011 (ECS Transactions 35 (1): p. 1323-1327, 2011).

55. G. J. Nelson, A. A. Peracchio, B. N. Cassenti and W. K. S. Chiu, "Analytical Models for SOFC Electrodes with Variable Cross-Section Microstructures," Twelfth International Symposium on Solid Oxide Fuel Cells (SOFC-XII), 219th ECS Meeting, Paper No. 985, Montreal, Canada, May 1-6, 2011 (ECS Transactions 35(1): p. 1315-1321, 2011).

56. G. J. Nelson, W. M. Harris, J. J. Lombardo, J. R. Izzo, Jr., W. K. S. Chiu, P. Tanasini, M. Cantoni, J. Van herle, C. Comninellis, J. C. Andrews, Y. Liu, P. Pianetta and Y. S. Chu, "Comparison of X-ray Nanotomography and FIB-SEM in Quantifying the Composite LSM/YSZ SOFC Cathode Microstructure," Twelfth International Symposium on Solid Oxide Fuel Cells (SOFC-XII), 219th ECS Meeting, Paper No. 706, Montreal, Canada, May 1-6, 2011 (ECS Transactions 35(1): p. 2417-2421, 2011).

57. G. J. Nelson, W. M. Harris, J. R. Izzo, Jr., K. N. Grew, W. K. S. Chiu, Y. S. Chu, J. Yi, J. C. Andrews, Y. Liu and P. Pianetta, "3D Imaging of Nickel Oxidation States using Full Field X-ray Absorption Near Edge Structure Nanotomography," Twelfth International Symposium on Solid Oxide Fuel Cells (SOFC-XII), 219th ECS Meeting, Paper No. 859, Montreal, Canada, May 1-6, 2011 (ECS Transactions 35(1): p. 1315-1321, 2011).

58. W. M. Harris, G. J. Nelson, J. J. Lombardo, A. P. Cocco, J. R. Izzo, Jr., W. K. S. Chiu, P. Tanasini, J. Van herle, C. Comninellis, J. C. Andrews, Y. Liu, P. Pianetta and Y. S. Chu, “Analysis of Solid Oxide Fuel Cell LSM-YSZ Composite Cathodes with Varying Starting Powder Sizes,” 2011 ASME International Mechanical Engineering Congress and Exposition, Denver, Colorado, November 11-17, 2011.

59. W. M. Harris, G. J. Nelson, J. R. Izzo, Jr., K. N. Grew, W. K. S. Chiu, Y. S. Chu, J. Yi, J. C. Andrews, Y. Liu and P. Pianetta, “Full Field Imaging of Nickel Oxidation States in Solid Oxide Fuel Cell Anode Materials by XANES Nanotomography,” 2011 Energy Sustainability Conference & Fuel Cell Conference, Washington, D.C., August 7-10, 2011.

60. A. M. Kiss, T. D. Myles, K. N. Grew, A. A. Peracchio, G. J. Nelson and W. K. S. Chiu, “Calculating Hydroxide Conductivity in Alkaline Anion Exchange Membranes,” 220th ECS Meeting, Boston, Massachusetts, October 9-14, 2011.

61. T. D. Myles, G. J. Nelson, A. A. Peracchio, W. K. S. Chiu, R. J. Roy, B. L. Murach and G. A. Adamson, “Species Transport in the High Differential Pressure Oxygen Generating Electrolyzer Membrane,” 220th ECS Meeting, Boston, Massachusetts, October 9-14, 2011.

62. G. J. Nelson, K. N. Grew, J. R. Izzo, Jr., A. A. Peracchio and W. K. S. Chiu, “Nondestructive Imaging and Analysis of Solid Oxide Fuel Cell Anodes,” 2010 ASME International Mechanical Engineering Congress and Exposition, Vancouver, British Columbia, November 12-18, 2010.

63. J. R. Izzo, Jr., K. N. Grew, G. J. Nelson, A. A. Peracchio and W. K. S. Chiu, “X-ray 3-D Imaging of Solid Oxide Fuel Cell Electrodes for Phase Reconstruction and Analysis,” 2010 European Fuel Cell Forum, Lucerne, Switzerland, June 29-July 2, 2010.

64. G. J. Nelson, C. L. Haynes and W. J. Wepfer, “A Fractal Approach for Modeling SOFC Electrode Mass Transport,” 2009 ASME International Mechanical Engineering Congress and Exposition, Lake Buena Vista, Florida, November 13-19, 2009.

65. G. J. Nelson, C. L. Haynes and W. J. Wepfer, “Performance Metrics for Solid Oxide Fuel Cell Cross-section Design,” 2009 ASME International Fuel Cell Science, Engineering and Technology Conference, Newport Beach, California, June 8-10, 2009.

66. G. J. Nelson, C. L. Haynes and C. J. Miller, “Dilute Ethanol Fueled SOFCs: A Symbiotic Solution Strategy,” 2009 ASME International Fuel Cell Science, Engineering and Technology Conference, Newport Beach, California, June 8-10, 2009.

67. G. J. Nelson and C. L. Haynes, “Parametric Studies of Constriction Resistance Effects upon Solid Oxide Cell Transport,” 2006 ASME International Mechanical Engineering Congress and Exposition, Chicago, Illinois, November 5-10, 2006.

68. M. Radovic, E. Lara-Curzio and G. J. Nelson, “Fracture Toughness and Slow Crack Growth Behavior of Ni-YSZ and YSZ as a Function of Porosity and Temperature,” Proceedings of the 30th International Conference on Advanced Ceramics and Composites, Cocoa Beach, Florida, January 22-27, 2006.

69. J. A. Salem, E. Lara-Curzio, M. Radovic and G. J. Nelson, “Using the Double Torsion Test Method to Determine the Fracture Toughness of Thin Ceramic Films”, Proceedings of The 30th Annual International Conference on Advanced Ceramics and Composites, Cocoa Beach, Florida, January 22-27, 2006.

70. G. J. Nelson and C. L. Haynes, “Localized Constriction Resistance Effects upon SOFC Transport Phenomena,” 2005 ASME International Mechanical Engineering Congress and Exposition, Orlando, Florida, November 5-11, 2005.