Cy Fujimoto

Chemist

Author profile picture

Chemist

chfujim@sandia.gov

(505) 844-6432

Biography

Cy Fujimoto is a Principle Member of the Technical Staff in the Nanoscale Sciences Department at Sandia National Laboratories. Cy’s work focuses on developing membrane separators for electrochemical applications. In the Office of Electricity’s program, he is developing membranes for several flow battery chemistries and partners with various national labs and industrial collaborators. This work has led to several patents and recently several of these patents were licensed by a US materials company.

Education

  • Ph.D. in Chemistry, University of California, Irvine, 2001
  • B.S. in Chemistry, University of Hawaii, Manoa, 1996

Publications

  • Lambert, T., Spoerke, E., Fujimoto, C., Anderson, T., Frischknecht, A., Small, L., Chalamala, B.R., & Chalamala, B.R. (2020). GRID ENERGY STORAGE R&D AT SANDIA [Presentation]. https://www.osti.gov/biblio/1832676 Publication ID: 71865
  • Fujimoto, C. (2020). Advanced Membranes for Flow Batteries [Conference Poster]. https://www.osti.gov/biblio/1822120 Publication ID: 74984
  • Fujimoto, C. (2020). Advanced Membranes for Flow Batteries [Conference Poster]. https://www.osti.gov/biblio/1822117 Publication ID: 74981
  • Fujimoto, C. (2020). Advanced membranes for flow batteries [Conference Poster]. https://www.osti.gov/biblio/1821299 Publication ID: 74904
  • Fujimoto, C. (2019). Advanced membranes for flow batteries [Conference Poster]. https://www.osti.gov/biblio/1643596 Publication ID: 66537
  • Fujimoto, C. (2019). Advanced membranes for flow batteries: Anion Exchange Membranes [Conference Poster]. https://www.osti.gov/biblio/1643597 Publication ID: 66538
  • Fujimoto, C. (2019). The Development of Diels Alder Poly(Phenylene) Membranes for Electrochemical Applications [Conference Poster]. https://www.osti.gov/biblio/1643598 Publication ID: 66539
  • Hibbs, M., Fujimoto, C., Baca, E., Lee, A., Park, E., Kim, Y., & Kim, Y. (2019). Intermediate Temperature-Range PEM Fuel Cells with Ion-Pair Membranes and Phosphonated Ionomers [Conference Poster]. https://www.osti.gov/biblio/1642963 Publication ID: 65860
  • Baca, E., Fujimoto, C., Hibbs, M., Maurya, S., Lee, A., Dongguo, L., Park, E., Kim, Y., & Kim, Y. (2019). Functionalized Poly(phenylene) for advanced electrochemical process applications [Conference Poster]. https://www.osti.gov/biblio/1642156 Publication ID: 65300
  • Fujimoto, C. (2019). Advanced membranes for flow batteries [Conference Poster]. https://www.osti.gov/biblio/1641977 Publication ID: 64857
  • Fujimoto, C. (2019). Advanced membranes for flow batteries [Conference Poster]. https://www.osti.gov/biblio/1641976 Publication ID: 64856
  • Hibbs, M., Fujimoto, C., Baca, E., Lee, A., Kim, Y., & Kim, Y. (2019). High Temperature Fuel Cells with Ion-Pair Membranes and Phosphonated Ionomers [Conference Poster]. https://www.osti.gov/biblio/1639977 Publication ID: 68459
  • Small, L., Pratt, H., Fujimoto, C., Anderson, T., & Anderson, T. (2019). Crossover Mechanisms in Polymer Membranes for Redox Flow Batteries [Conference Poster]. https://www.osti.gov/biblio/1639860 Publication ID: 68247
  • Sorte, E.G., Paren, B.A., Rodriguez, C.G., Fujimoto, C., Poirier, C., Abbott, L.J., Lynd, N.A., Winey, K.I., Frischknecht, A., Alam, T.M., & Alam, T.M. (2019). Impact of Hydration and Sulfonation on the Morphology and Ionic Conductivity of Sulfonated Poly(phenylene) Proton Exchange Membranes. Macromolecules, 52(3), pp. 857-876. https://doi.org/10.1021/acs.macromol.8b02013 Publication ID: 63997
  • Hibbs, M., Fujimoto, C., Kim, Y., & Kim, Y. (2019). Development of Highly Stable Anion-Exchange Membranes for alkaline Electrochemical Cells [Conference Poster]. https://www.osti.gov/biblio/1601541 Publication ID: 67018
  • Anderson, T., Small, L., Pratt, H., Fujimoto, C., & Fujimoto, C. (2019). Sandia Flow Battery Prototyping and Testing [Conference Poster]. https://www.osti.gov/biblio/1593529 Publication ID: 64376
  • Poirier, C., Alam, T.M., Fujimoto, C., & Fujimoto, C. (2018). Degradation of Model Sulfonated Polyphnylene Proton Exchange Membranes [Conference Poster]. https://www.osti.gov/biblio/1502292 Publication ID: 61129
  • Fujimoto, C. (2017). Ion selective membranes for electrochemical systems [Conference Poster]. https://www.osti.gov/biblio/1458020 Publication ID: 56348
  • Alam, T.M., Sorte, E.G., Fujimoto, C., Frischknecht, A., Abbott, L., & Abbott, L. (2017). Impact of Hydration and Sulfonation on the Nanoscale Morphology of Water in Polyphenylene Polymer Membranes [Conference Poster]. https://www.osti.gov/biblio/1456634 Publication ID: 55927
  • Small, L., Pratt, H., Staiger, C.L., Fujimoto, C., Anderson, T., & Anderson, T. (2017). MetILs3: A Strategy for Maximizing Energy Density in Flow Battery Electrolytes [Conference Poster]. https://www.osti.gov/biblio/1456497 Publication ID: 55713
  • Fujimoto, C., Hibbs, M., & Hibbs, M. (2016). Enabling the Disruption of the Next Generation Energy Economy via Advanced Membrane Technologies [Conference Poster]. https://www.osti.gov/biblio/1399820 Publication ID: 47080
  • Sorte, E.G., Abbott, L., Frischknecht, A., Poirier, C., Fujimoto, C., Alam, T.M., & Alam, T.M. (2016). Impact of Accelerated Peroxide Degradation on the Chemical Structure of Proton Exchange Membranes [Conference Poster]. https://www.osti.gov/biblio/1408351 Publication ID: 47504
  • Pratt, H., Fujimoto, C., Small, L., & Small, L. (2016). Advanced Materials for Multi-Electron Redox Flow Batteries [Presentation]. https://www.osti.gov/biblio/1395616 Publication ID: 52389
  • Small, L., Anderson, T., Pratt, H., Fujimoto, C., & Fujimoto, C. (2016). Materials for Multi-Electron Redox Flow Processes [Conference Poster]. https://www.osti.gov/biblio/1377707 Publication ID: 51689
  • Sorte, E.G., Allen, T., Frischknecht, A., Abbott, L., Fujimoto, C., & Fujimoto, C. (2016). Measuring Molecular Domain Sizes in Hetergeneous Polymers with Solid State NMR [Conference Poster]. https://www.osti.gov/biblio/1529856 Publication ID: 51024
  • Hibbs, M., Fujimoto, C., & Fujimoto, C. (2016). Poly(phenylene)-based anion exchange membranes for alkaline electrolysis cells [Conference Poster]. https://www.osti.gov/biblio/1368862 Publication ID: 50253
  • Hibbs, M., Fujimoto, C., & Fujimoto, C. (2016). ADVANCES IN POLY(PHENYLENE)-BASED ANION-EXCHANGE MEMBRANES FOR ALKALINE ELECTROLYSIS CELLS [Conference Poster]. https://www.osti.gov/biblio/1364855 Publication ID: 49031
  • Small, L., Pratt, H., Fujimoto, C., Anderson, T., & Anderson, T. (2016). MetILs: Energy Dense Metal Ionic Liquids [Conference Poster]. https://www.osti.gov/biblio/1364824 Publication ID: 49047
  • Anderson, T., Small, L., Pratt, H., Fujimoto, C., & Fujimoto, C. (2016). Advances in Materials for Ionic Liquid Flow Batteries [Conference Poster]. https://www.osti.gov/biblio/1364828 Publication ID: 49051
  • Small, L., Pratt, H., Fujimoto, C., Anderson, T., & Anderson, T. (2016). Diels alder polyphenylene anion exchange membrane for nonaqueous redox flow batteries. Journal of the Electrochemical Society, 163(1), pp. A5106-A5111. https://doi.org/10.1149/2.0141601jes Publication ID: 45064
  • Anderson, T., Fujimoto, C., Pratt, H., Small, L., & Small, L. (2015). Adv. Materials for Ionic Liquid Flow Battery [Conference Poster]. https://www.osti.gov/biblio/1323039 Publication ID: 45380
  • Nelson, J., Fujimoto, C., & Fujimoto, C. (2015). Alkaline Separator Materials Show Promise for LT Water Electrolysis [Conference Poster]. https://www.osti.gov/biblio/1325706 Publication ID: 45537
  • Fujimoto, C. (2014). Advanced membranes for vanadium redox flow batteries [Presentation]. https://www.osti.gov/biblio/1502746 Publication ID: 38532
  • Fujimoto, C. (2014). Polymeric Ion-Exchange Membranes for Fuel Cell and Battery Applications [Presentation]. https://www.osti.gov/biblio/1706444 Publication ID: 40533
  • Fujimoto, C. (2012). Fuel Cells [Presentation]. https://www.osti.gov/biblio/1660684 Publication ID: 25970
  • Fujimoto, C., Lambert, T., & Lambert, T. (2011). POLY(PHENYLENE)-BASED ANION-EXCHANGE MEMBRANES AND IONOMERS FOR ALKALINE FUEL CELLS [Conference]. https://www.osti.gov/biblio/1106641 Publication ID: 24099
  • Fujimoto, C., Lambert, T., & Lambert, T. (2011). Poly(phenylene)-based Anion Exchange Membranes for Alkaline Fuel Cells [Conference]. https://www.osti.gov/biblio/1109287 Publication ID: 22888
  • Chen, K.S., Fujimoto, C., & Fujimoto, C. (2011). FUEL CELLS R&D PROJECT QUARTERLY PROGRESS REPORT FOR JANUARY 1 2011-MARCH 31 2011 [Presentation]. https://www.osti.gov/biblio/1671232 Publication ID: 22686
  • Carnes, B., Chen, K.S., Fujimoto, C., Stechel, E.B., & Stechel, E.B. (2011). Quarterly Report: Fuel Cells R&D Project Q1FY2011 [Presentation]. https://www.osti.gov/biblio/1671562 Publication ID: 22042
  • Chen, K.S., Carnes, B., Fujimoto, C., Stechel, E.B., Torres, J., & Torres, J. (2011). Fuel Cells Quarter 4 FY2010 Progress report [Presentation]. https://www.osti.gov/biblio/1671563 Publication ID: 22043
  • Hibbs, M.R., Fujimoto, C., Cornelius, C.J., & Cornelius, C.J. (2009). Poly(phenylene)-based anion exchange membranes for alkaline fuel cells [Conference]. ECS Transactions. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79952640917&origin=inward Publication ID: 16194
  • Alam, T.M., McIntyre, S., Fujimoto, C., Hibbs, M.R., Hickner, M., & Hickner, M. (2008). Pulse field gradient NMR investigation of water diffusion in proton and anion exchange membranes [Conference]. American Chemical Society, Polymer Preprints, Division of Polymer Chemistry. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=51849157721&origin=inward Publication ID: 12038
  • Fujimoto, C., Cornelius, C., Stanis, R., Yaklin, M., & Yaklin, M. (2008). Hybrid inorganic-organic polymer composites for polymer-electrolyte fuel cells [Conference]. https://www.osti.gov/biblio/1145738 Publication ID: 13106
  • Alam, T.M., McIntyre, S., Fujimoto, C., Cornelius, C., & Cornelius, C. (2008). Transport property comparison of Hydroxyl and Proton conducting membranes. Proposed for publication in Chemistry of Materials.. https://www.osti.gov/biblio/940538 Publication ID: 12508
  • Fujimoto, C. (2007). Hybrid Inorganic-Organic Polymer Composites for Polymer-Electrolyte Fuel Cells [Conference]. https://www.osti.gov/biblio/1147493 Publication ID: 12106
  • Ambrosini, A., Gelbard, F., Vernon, M., Fujimoto, C., Cornelius, C., & Cornelius, C. (2007). Membrane Development for Hybrid Sulfur Electrolysis and Oxygen Separation [Presentation]. https://www.osti.gov/biblio/1719071 Publication ID: 11862
  • Ambrosini, A., Vernon, M., Gelbard, F., Pickard, P., Cornelius, C., Fujimoto, C., & Fujimoto, C. (2007). Membrane Development for Hybrid Sulfur Electrolysis and Oxygen Separation [Conference]. https://www.osti.gov/biblio/1148419 Publication ID: 9748
  • Fujimoto, C., Hickner, M., & Hickner, M. (2007). Hydrocarbon Membrane [Presentation]. https://www.osti.gov/biblio/1722988 Publication ID: 9860
  • Ambrosini, A., Fujimoto, C., & Fujimoto, C. (2006). Hybrid inorganic-organic polymer composites for polymer-electrolyte fuel cells [Conference]. https://www.osti.gov/biblio/1264433 Publication ID: 8536
  • Cornelius, C., Fujimoto, C., Hickner, M., & Hickner, M. (2006). Fuel Cells R&D Hydrogen PEMFC Performance _ Quarterly Progress Report [Presentation]. https://www.osti.gov/biblio/1725681 Publication ID: 8042
  • Cornelius, C., Fujimoto, C., Hickner, M., & Hickner, M. (2006). Hydrocarbon Membrane [Presentation]. https://www.osti.gov/biblio/1725970 Publication ID: 7445
  • Cornelius, C., Fujimoto, C., Hickner, M., Staiger, C.L., & Staiger, C.L. (2005). Advanced proton-exchange materials for energy efficient fuel cells. https://doi.org/10.2172/883478 Publication ID: 6463
  • Apblett, C., Novak, J., Hudgens, J., Podgorski, J., Brozik, S., Flemming, J.H., Ingersoll, D., Eisenbies, S., Shul, R., Cornelius, C., Fujimoto, C., Schubert, W., Hickner, M., Volponi, J., Kelley, M., Zavadil, K., Staiger, C.L., Dolan, P., Harper, J.C., … Roberts, G. (2005). Bio micro fuel cell grand challenge final report. https://doi.org/10.2172/876287 Publication ID: 6045
  • Cornelius, C., Fujimoto, C., Hickner, M., Leonhardt, D., & Leonhardt, D. (2005). Sulfonated diels-alder polyphenylenes : physical properties and performance characteristics in a hydrogen fuel cell [Conference]. https://www.osti.gov/biblio/1145159 Publication ID: 5256
  • Cornelius, C., Fujimoto, C., & Fujimoto, C. (2005). Physical properties of sulfonated diels-alder polyphenylenes for PEM fuel cells [Conference]. https://www.osti.gov/biblio/1145130 Publication ID: 5255
  • Cornelius, C., Fujimoto, C., & Fujimoto, C. (2005). 2003 sulfonated diels-alder polyphenylenes in hydrogen based PEM fuel cells [Conference]. https://www.osti.gov/biblio/1145115 Publication ID: 5254
  • Fujimoto, C., Hickner, M., Cornelius, C., & Cornelius, C. (2004). Preparation and characterization of sulfonated poly(phenylene)s [Conference]. https://www.osti.gov/biblio/964558 Publication ID: 3766
Showing 10 of 57 publications.

Patents & Trademarks

https://uspto.report/company/Fujimoto-Cy