Publications and Patents

See an up-to-date list of publications and talk abstracts at my Google Scholar profile. If you’d like to read something, but can’t due to a paywall, please contact me!

Patents

  1. K. Huang, S. D. Sajjad, M.R. Gerhardt. Asymmetrically Reinforced Membranes for Electrochemical Cells. WO 2025/085708 A1, 2025 
  2. M. Marshak, Q. Chen, M.R. Gerhardt, M.J. Aziz, R.G. Gordon, K. Lin. High pH Organic Flow Battery. WO 2016/144909 A1, 2016 

Publications

  1. K. McCay, P.E.E. Karstensen, M.R. Gerhardt, J. Coolegem, D. Damiano, S. Lædre. An analysis of the reversible and irreversible degradation of a PEM fuel cell short-stack operated under simulated maritime conditions. J. Power Sources, 665, 2026. 
  2. A.B. Hagen, B. Nyhus, M.R. Gerhardt, C.H.M. Hagen, G. Stenerud, A. Alvaro, P. Mainçon, V. Olden. Experimental determination of equivalent hydrogen gas pressure from electrochemical hydrogen charging. Int. J. Hydrogen Energy, 82, 2024. 
  3. M.R. Gerhardt, J.S. Østenstad, A.O. Barnett, M.S. Thomassen. Modeling Contact Resistance and Water Transport within a Cathode Liquid-Fed Proton Exchange Membrane Electrolyzer. J. Electrochem. Soc., 170(12), 2023 
  4. P. Fortin, M.R. Gerhardt, Ø. Ulleberg, F. Zenith, T. Holm. Multi-sine EIS for Early Detection of PEMFC Failure Modes. Frontiers in Energy Research, 10, 855985, 2022 
  5. A.G. Divekar, M.R. Gerhardt, C.M. Antunes, L. Osmieri, A.C. Yang-Neyerlin, A.Z. Weber, B.S. Pivovar, G. Bender, A.M. Herring. Spatially resolved performance and degradation in a perfluorinated anion exchange membrane fuel cell. Electrochimica Acta, 406, 2022. 
  6. A. Kiessling, J.C. Fornaciari, G. Anderson, X. Peng, A. Gerstmayr, M.R. Gerhardt, S. McKinney, A. Serov, Y.S. Kim, B. Zulevi. Influence of Supporting Electrolyte on Hydroxide Exchange Membrane Water Electrolysis Performance: Anolyte. J. Electrochem. Soc., 168(8), 2021. 
  7. Z. Yang, M.R. Gerhardt, M. Fortin, C. Shovlin, A.Z. Weber, M.L. Perry, R.M. Darling, J.D. Saraidaridis. Polysulfide-permanganate flow battery using abundant active materials. J. Electrochem. Soc. 168(7), 2021. 
  8. M.R. Gerhardt, L.M Pant, J.C. Bui, A.R. Crothers, V.M. Ehlinger, J.C. Fornaciari, J. Liu, and A.Z. Weber. Method–Practices and Pitfalls in Voltage Breakdown Analysis of Electrochemical Energy-Conversion Systems. J. Electrochem. Soc., 168(7), 2021. 
  9. J.C. Fornaciari, M.R Gerhardt, J.J. Zhou, Y.N. Regmi, N. Danilovic, A.T. Bell, and A.Z. Weber. The Role of Water in Vapor-fed Proton-Exchange-Membrane Electrolysis. Journal of the Electrochemical Society, 167(10), 104508, 2020. 
  10. L.M. Pant, M.R. Gerhardt, and A.Z. Weber. Along-the-Channel Modeling and Analysis of PEFCs at Low Stoichiometry: Development of a 1+2D Model. Electrochimica Acta 326(5), 134963, 2019. 
  11. M.R. Gerhardt, L.M. Pant, and A.Z. Weber. Along-the-Channel Impacts of Water Management and Carbon-Dioxide Contamination in Hydroxide-Exchange-Membrane Fuel Cells: A Modeling Study. Journal of the Electrochemical Society, 166(7), F3180-F3192, 2019. 
  12. M.R. Gerhardt, A.A. Wong, and M.J. Aziz. The Effect of Interdigitated Channel and Land Dimensions on Flow Cell Performance. Journal of the Electrochemical Society, 165(11), A2625-A2643, 2018. 
  13. Q. Chen, M.R. Gerhardt, and M.J. Aziz. Dissection of the Voltage Losses of an Acidic Quinone Redox Flow Battery. Journal of the Electrochemical Society, 164(6), A1126-A1132, 2017. 
  14. M.R. Gerhardt, L. Tong, R. Gómez-Bombarelli, Q. Chen, M.P. Marshak, C.J. Galvin, A. Aspuru-Guzik, R.G. Gordon, and M.J. Aziz. Anthraquinone Derivatives in Aqueous Flow Batteries. Advanced Energy Materials, 3, 1601488, 2016. 
  15. Q. Chen, M.R. Gerhardt, L. Hartle, and M.J. Aziz. A Quinone-Bromide Flow Battery with 1 W/cm2 Power Density. J. Electrochem. Soc., 163(1), A5010–A5013, 2015. 
  16. K. Lin, Q. Chen, M.R. Gerhardt, L. Tong, S.B. Kim, L. Eisenach, A.W. Valle, D. Hardee, R.G. Gordon, M.J. Aziz, and M.P. Marshak. Alkaline quinone flow battery. Science, 349(6255), 1529–1532, 2015. 
  17. B. Huskinson, M.P. Marshak, C. Suh, S. Er, M.R. Gerhardt, C.J. Galvin, X. Chen, A. Aspuru-Guzik, R.G. Gordon, and M.J. Aziz. A metal-free organic–inorganic aqueous flow battery. Nature, 505(7482), 195–198, 2014. 

Conference Proceedings

  1. K. Chintam, M.R. Gerhardt, A.M. Baker, D. Richard, M.S. Wilson, J. Flesner, T. Rockward, D.S. Hussey, J.M. LaManna, D.L. Jacobson, J.A. Rau, A.Z Weber, and R.L. Borup. Imaging and Modeling of Passive Water Management in a Miniature Fuel Cell. ECS Transactions, 92(8), 395-409, 2019. 
  2. L.N. Stanislaw, M.R. Gerhardt, and A.Z. Weber. Modeling Electrolyte Composition Effects on Anion-Exchange Membrane Water Electrolyzer Performance. ECS Transactions, 92(8), 767-779, 2019. 
  3. M.R. Gerhardt, L.M. Pant, H.-S. Shiau, and A.Z. Weber. Modeling Water Management and Carbon-Dioxide Contamination Effects in Anion-Exchange Membrane Fuel Cells. ECS Transactions, 86(13), 15-24, 2018. 
  4. M.R. Gerhardt, L. Tong, E.S. Beh, R.G. Gordon, and M.J. Aziz. Comparison of Capacity Retention Rates During Cycling of Quinone-Bromine Flow Batteries. MRS Advances, 2(8), 431-438, 2017. 
  5. B. Huskinson, M.P. Marshak, M.R. Gerhardt, and M.J. Aziz. Cycling of a quinone-bromide flow battery for large-scale electrochemical energy storage. ECS Transactions, 61(37), 27-30, 2014. 
  6. B. Huskinson, S. Nawar, M.R. Gerhardt, and M.J. Aziz. Novel Quinone-Based Couples for Flow Batteries. ECS Transactions, 53(7), 101–105, 2013.