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Energy Materials Group

Matt Chou

Matt Chou

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Biography

Prior to joining Pacific Northwest National Laboratory in 1998, Matt Chou has been working on a variety of advanced ceramics in processing, sintering, modeling, and mechanical properties. After joining PNNL Matt Chou has been working on mechanical properties of ceramic materials for high temperature applications. Later he focused on sealing research and development for the Solid-State Energy Conversion’s (SECA) Core Technology Programs in developing compressive mica-based seals and refractory sealing glasses for solid oxide fuel cell applications. Matt Chou has over 60 publications and 4 US patents.

Research Interests

  • High temperature sealing materials
  • Solid oxide fuel cells materials and stack development
  • Structural ceramics and functional coating

Education and Credentials

  • Ph.D. Ceramic Science, The Pennsylvania State University
  • M.S. Chemical Engineering, National Tsing Hua University
  • B.S. Chemical Engineering, National Cheng-Kung University

PNNL Patents

PNNL Publications

2017

  • Chou Y., J. Choi, J.W. Stevenson, C. Liang, B. Hu, W. Rodriguez, and A. Aphale, et al. 2017. "Performance and Microstructure of a Novel Cr-Getter Material with LSCF-based Cells in a Generic Stack Test Fixture." In ECS Transactions, 78, 1047-1054. Pennington, New Jersey:Electrochemical Society. PNNL-SA-131556. doi:10.1149/07801.1047ecst
  • Chou Y., J.F. Bonnett, and J.W. Stevenson. 2017. "Novel Approach to Strengthening Ceramic Cathode Contact and Validation in a Generic Stack Test Fixture." In ECS Transactions, 78, 1713-1720. Pennington, New Jersey:Electrochemical Society. PNNL-SA-131576. doi:10.1149/07801.1713ecst

2016

  • Vienna J.D., M.J. Schweiger, C.C. Bonham, J.B. Lang, B.P. McCarthy, Y.S. Chou, and S.K. Cooley, et al. 2016. "Development of High Alumina Glass Property Data for Hanford High-Level Waste Glass Models - 16231." In Waste Management 2016 (WM 2016): Education & Opportunity in Waste Management, March 6-10, 2016, Phoenix, Arizona, 2, 994-1003. Phoenix, Arizona:WM Symposia. PNNL-SA-115610.

2015

  • Chou Y.S., E.V. Stephens, Z. Xu, W. Xu, B.J. Koeppel, and J.W. Stevenson. 2015. Mitigation and Prediction of Spallation of Oxide Scales on Ferritic Stainless Steel. PNNL-24025. Richland, WA: Pacific Northwest National Laboratory.

2014

  • Chou Y.S., J. Choi, W. Xu, E.V. Stephens, B.J. Koeppel, J.W. Stevenson, and E. Lara-Curzio. 2014. Compliant Glass Seals for SOFC Stacks. PNNL-23397. Richland, WA: Pacific Northwest National Laboratory.
  • Chou Y.S., J.W. Stevenson, and J. Choi. 2014. "Long-term evaluation of solid oxide fuel cell candidate materials in a 3-cell generic short stack fixture, Part II: sealing glass stability, microstructure and interfacial reactions." Journal of Power Sources 250. PNNL-SA-101236. doi:10.1016/j.jpowsour.2013.09.148

2013

  • Chou Y.S., J.W. Stevenson, and J. Choi. 2013. "Evaluation of a single cell and candidate materials with high water content hydrogen in a generic solid oxide fuel cell stack test fixture, Part II: materials and interface characterization." International Journal of Applied Ceramic Technology 10, no. 1:97-106. PNNL-SA-82494. doi:10.1111/j.1744-7402.2012.02753.x

2012

  • Chou Y.S., E.C. Thomsen, J. Choi, and J.W. Stevenson. 2012. "Compliant alkali silicate sealing glass for solid oxide fuel cell applications: Combined stability in isothermal ageing and thermal cycling with YSZ coated ferritic stainless steels." Journal of Power Sources 197, no. 1:154-160. PNNL-SA-82493. doi:10.1016/j.jpowsour.2011.09.027
  • Chou Y.S., E.C. Thomsen, J. Choi, and J.W. Stevenson. 2012. "Compliant alkali silicate sealing glass for solid oxide fuel cell applications: the effect of protective YSZ coating on electrical stability in dual environment." Journal of Power Sources 202. PNNL-SA-84397. doi:10.1016/j.jpowsour.2011.11.017
  • Chou Y.S., J. Choi, and J.W. Stevenson. 2012. "Compliant alkali silicate sealing glass for solid oxide fuel cell applications: the effect of protective alumina coating on electrical stability in dual environment." International Journal of Hydrogen Energy 37, no. 23:18372-18380. PNNL-SA-90858. doi:10.1016/j.ijhydene.2012.08.084

2011

  • Choi J., K.S. Weil, Y.S. Chou, J.W. Stevenson, and Z. Yang. 2011. "Development of MnCoO Coating with New Aluminizing Process for Planar SOFC Stacks." International Journal of Hydrogen Energy 36, no. 7:4549-4556. PNNL-SA-67464. doi:10.1016/j.ijhydene.2010.04.110
  • Choi J., Y.S. Chou, and J.W. Stevenson. 2011. Reactive Air Aluminization. PNNL-20859. Richland, WA: Pacific Northwest National Laboratory.
  • Chou Y.S., and J.W. Stevenson. 2011. Refractory Glass Seals for SOFC. PNNL-20545. Richland, WA: Pacific Northwest National Laboratory.
  • Chou Y.S., E.C. Thomsen, J. Choi, W.E. Voldrich, J.W. Templeton, and J.W. Stevenson. 2011. "Development and Implementation of Stack Fixture Tests." In 2011 Office of Fossil Energy Fuel Cell Program Annual Report. 163-167. Washington, District Of Columbia:Department of Energy. PNNL-SA-80675.
  • Chou Y.S., E.C. Thomsen, R.T. Williams, J. Choi, N.L. Canfield, J.F. Bonnett, and J.W. Stevenson, et al. 2011. "Compliant alkali silicate sealing glass for solid oxide fuel cell applications: thermal cycle stability and chemical compatibility." Journal of Power Sources 196, no. 5:2709-2716. PNNL-SA-76697. doi:10.1016/j.jpowsour.2010.11.020

2010

  • Chou Y.S., J.W. Stevenson, and K.D. Meinhardt. 2010. "Electrical Stability of a Novel Refractory Sealing Glass in a Dual Environment for Solid Oxide Fuel Cell Applications." Journal of the American Ceramic Society 93, no. 3:618-623. PNNL-SA-67091. doi:10.1111/j.1551-2916.2009.03466.x
  • Chou Y.S., J.W. Stevenson, G. Xia, and Z. Yang. 2010. "Electrical stability of a novel sealing glass with (Mn,Co)-spinel coated Crofer22APU in a simulated SOFC dual environment." Journal of Power Sources 195, no. 17 SP ISS:5666-5673. PNNL-SA-71996.
  • Marina O.A., L.R. Pederson, C.A. Coyle, D.J. Edwards, Y.S. Chou, and C.N. Cramer. 2010. "Interaction of coal-derived synthesis gas impurities with solid oxide fuel cell metallic components." Journal of Power Sources 196, no. 2:636-643. PNNL-SA-73045. doi:10.1016/j.jpowsour.2010.07.081
  • Zhou X.D., J.W. Templeton, Z. Zhu, Y.S. Chou, G.D. Maupin, Z. Lu, and R.K. Brow, et al. 2010. "Electrochemical Performance and Stability of the Cathode for Solid Oxide Fuel Cells: III. Role of volatile boron species on LSM/YSZ and LSCF." Journal of the Electrochemical Society 157, no. 7:B1019-B1023. PNNL-SA-68572. doi:10.1149/1.3397854

2009

  • Chou Y.S., and J.W. Stevenson. 2009. "Long-term ageing and materials degradation of hybrid mica compressive seals for solid oxide fuel cells." Journal of Power Sources 191, no. 2:384-389. PNNL-SA-64433.
  • McCarthy B., L.R. Pederson, Y.S. Chou, X.D. Zhou, W. Surdoval, and L. Wilson. 2009. "Low temperature sintering of lanthanum strontium manganite-based contact pastes for SOFCs." Journal of Power Sources 180, no. 1:294-300. PNNL-SA-59150.
  • Stephens E.V., J.S. Vetrano, B.J. Koeppel, Y.S. Chou, X. Sun, and M.A. Khaleel. 2009. "Experimental characterization of glass-ceramic seal properties and their constitutive implementation in solid oxide fuel cell stack models." Journal of Power Sources 193, no. 2:625-631. PNNL-SA-62542.

2008

  • Chou Y.S., J.W. Stevenson, and P. Singh. 2008. "Effect of aluminizing of Cr-containing ferritic alloys on the seal strength of a novel high-temperature solid oxide fuel cell sealing glass." Journal of Power Sources 185, no. 2:1001-1008. PNNL-SA-62018. doi:10.1016/j.jpowsour.2008.09.004
  • Chou Y.S., J.W. Stevenson, and P. Singh. 2008. "Effect of pre-oxidation and environmental aging on the seal strength of a novel high-temperature solid oxide fuel cell (SOFC) sealing glass with metallic interconnect." Journal of Power Sources 184, no. 1:238-244. PNNL-SA-60713.
  • Meinhardt K.D., D. Kim, Y.S. Chou, and K.S. Weil. 2008. "Synthesis and Properties of a Barium Aluminosilicate Solid Oxide Fuel Cell Glass-Ceramic Sealant." Journal of Power Sources 182, no. 1:188-196. PNNL-SA-61610.

2007

  • Chou Y.S., J.W. Stevenson, and P. Singh. 2007. "Novel refractory alkaline earth silicate sealing glasses for planar solid oxide fuel cells." Journal of the Electrochemical Society 154, no. 7:B644-B651. PNNL-SA-52170. doi:10.1149/1.2733868
  • Chou Y.S., J.W. Stevenson, and R.N. Gow. 2007. "Novel alkaline earth silicate sealing glass for SOFC, Part I: the effect of nickel oxide on the thermal and mechanical properties." Journal of Power Sources 168, no. 2:426-433. PNNL-SA-54291.
  • Chou Y.S., J.W. Stevenson, and R.N. Gow. 2007. "Novel alkaline earth silicate sealing glass for SOFC, Part II: sealing and interfacial microstructure." Journal of Power Sources 170, no. 2:395-400. PNNL-SA-54292. doi:10.1016/j.jpowsour.2007.03.060

2006

  • Chou Y.S., and J.W. Stevenson. 2006. "Compressive Mica Seals for Solid Oxide Fuel Cells." Journal of Materials Engineering and Performance 15, no. 4:414-421. PNNL-SA-50691.
  • Chou Y.S., J.W. Stevenson, J.S. Hardy, and P. Singh. 2006. "Material Degradation during Isothermal Aging and Thermal Cycling of Hybrid Mica Seal with Ag Interlayer under SOFC Exposure Conditions." Journal of the Electrochemical Society 153, no. 8:A1591-A1598. PNNL-SA-47857.

2005

  • Chou Y.S., and J.W. Stevenson. 2005. "Infiltrated Phlogopite Micas with Superior Thermal Cycle Stability as Compressive Seals for Solid Oxide Fuel Cells." In Developments in Solid Oxide Fuel Cells and Lithium Ion Batteries - Proceedings of the 106th Annual Meeting of the Ceramic Society, Apr 18-21 2004, *Indianapolis, IN, United States (Ceramic Transactions Vol. 161), 89-98. Westerville, Ohio:American Ceramic Society. PNNL-SA-41164.
  • Chou Y.S., and J.W. Stevenson. 2005. "Long-term Thermal Cycling of Phlogopite Mica-based Compressive Seals for Solid Oxide Fuel Cells." Journal of Power Sources 140, no. 2:340-345. PNNL-SA-42329.
  • Chou Y.S., and J.W. Stevenson. 2005. "Long-Term Thermal Cycling of Phlogopite Mica-Based Compressive Seals for Solid Oxide Fuel Cells." In Developments in Solid Oxide Fuel Cells and Lithium Ion Batteries (Ceramic Transactions Vol. 161), 69-78. Westerville:American Ceramic Society. PNNL-SA-41161.
  • Chou Y.S., J.W. Stevenson, and P. Singh. 2005. "Combined Ageing and Thermal Cycling of Compressive Mica Seals for Solid Oxide Fuel Cells." In Advances in Solid Oxide Fuel Cells, a collection of papers presented at the 29th International Conference on Advanced Ceramics and Composites, published in Ceramic Engineering and Science Proceedings., 26, 265-272. Westerville, Oh:American Ceramic Society. PNNL-SA-43891.
  • Chou Y.S., J.W. Stevenson, and P. Singh. 2005. "Glass Mica Composite Seals for Solid Oxide Fuel Cells." In Advances in Solid Oxide Fuel Cells , A Collection of Papers Presented at the 29th International Conference on Advanced Ceramics and Composites, published in Ceramic Engineering and Science Proceedings, 26, 257-264. Westerville, Ohio:American Ceramic Society. PNNL-SA-43969.
  • Chou Y.S., J.W. Stevenson, and P. Singh. 2005. "Thermal Cycle Stability of a Novel Glass-Mica Composite Seal for Solid Oxide Fuel Cells: Effect of Glass Volume Fraction and Stresses." Journal of Power Sources 152, no. 1:168-174. PNNL-SA-44566.
  • Chou Y.S., Z. Yang, P. Singh, J.W. Stevenson, and G. Xia. 2005. "SOFC Interconnect and Compressive Seal Development at PNNL." In 2005 Fuel Cell Seminar, Progress, Challenges and Markets, November 14-18, 2005, Convention Center, Palm Springs, California, 4 pages. Washington, District Of Columbia:Courtesty Associates. PNNL-SA-46693.

2004

  • Chou Y.S., and J.W. Stevenson. 2004. "Novel Infiltrated Phlogopite Mica Compressive Seals for Solid Oxide Fuel Cells." Journal of Power Sources 135, no. 1-2:72-78. PNNL-SA-40327.
  • Chou Y.S., K.D. Meinhardt, J.W. Stevenson, and P. Singh. 2004. Mica-based Composite Compressive Seals for SOFC. PNNL-14740. Richland, WA: Pacific Northwest National Laboratory.

2003

  • Chou Y.S., and J.W. Stevenson. 2003. "Mid-term Stability of Novel Mica-based Compressive Seals for Solid Oxide Fuel Cells." Journal of Power Sources 115, no. 2:274-278. PNNL-SA-37732.
  • Chou Y.S., and J.W. Stevenson. 2003. "Novel Silver/mica Multilayer Compressive Seals for Solid Oxide Fuel Cells: The Effect of Thermal Cycling and Material Degradation on Leak Behavior." Journal of Materials Research 18, no. 9:2243-2250. PNNL-SA-38089.
  • Chou Y.S., and J.W. Stevenson. 2003. "Phlogopite Mica-based Compressive Seals for Solid Oxide Fuel Cells: Effect of Mica Thickness." Journal of Power Sources 124, no. 2:473-478. PNNL-SA-38787.
  • Chou Y.S., and J.W. Stevenson. 2003. "Thermal Cycling of Advanced Compressive Seals for Solid Oxide Fuel Cells." In Advances in Joining of Ceramics: Proceedings of the Joining of Ceramics Symposium: Held at the 104th Annual Meeting of the American Ceramic Society, April 28-May 1, 2002 in St. Louis, Missouri., edited by CA Lewisohn; M Singh; RE Loehman, 138, 175-184. Westerville, Ohio:American Ceramics Society. PNNL-SA-38015.
  • Chou Y.S., J.W. Stevenson, and L.A. Chick. 2003. "Novel Compressive Mica Seals with Metallic Interlayers for Solid Oxide Fuel Cell Applications." Journal of the American Ceramic Society 86, no. 6:1003-1007. PNNL-SA-37654.
  • Mukerjee S., S.J. Shaffer, J. Zizelman, L.A. Chick, S. Baskaran, Y.S. Chou, and C.A. Coyle, et al. 2003. "Development Of A Solid Oxide Fuel Cell Stack By Delphi And Battelle." In Solid Oxide Fuel Cells VIII (SOFC VIII). Proceedings of the Eighth International Symposium on Solid Oxide Fuel Cells, edited by S.C. Singhal; M. Kokiya, 2003-07, 88-97. Pennington, New Jersey:The Electrochemical Society, Inc. PNWD-SA-5904.
  • Stevenson J.W., S. Baskaran, L.A. Chick, Y.S. Chou, J.E. Deibler, M.A. Khaleel, and O.A. Marina, et al. 2003. "Solid Oxide Fuel Cell (SOFC) Development at Pacific Northwest National Laboratory." In Solid Oxide Fuel Cells VIII (SOFC VIII). Proceedings of the Eighth International Symposium on Solid Oxide Fuel Cells, edited by S.C. Singhal; M Kokiya, 2003-07, 31-42. Pennington, New Jersey:The Electrochemical Society, Inc. PNNL-SA-36986.

2002

  • Chou Y.S., and J.W. Stevenson. 2002. "Development of Advanced Mica-Based Compressive Seals for SOFCs: The Effect of Thermal Cycling with Metallic Interlayers." In 2002 Fuel Cell Seminar; fuel cells - reliable, clean energy for the world, 336-339. Palm Springs, California:Fuel Cell Seminar. PNNL-SA-39164.
  • Chou Y.S., and J.W. Stevenson. 2002. "Thermal Cycling and Degradation Mechanisms of Compressive Mica-based Seals for Solid Oxide Fuel Cells." Journal of Power Sources 112, no. 2:376-383. PNNL-SA-36872.
  • Chou Y.S., J.W. Stevenson, and L.A. Chick. 2002. "Ultra-low Leak Rate of Hybrid Compressive Mica Seals for Solid Oxide Fuel Cells." Journal of Power Sources 112, no. 1:130-136. PNNL-SA-36784.

2001

  • Chou Y.S., K.J. Kerstetter, L.R. Pederson, and R.E. Williford. 2001. "Mechanical and Thermal Properties of Combustion Synthesized Pervoskites, La1-xSrCr0.2Fe0.8O3." Journal of Materials Research 16, no. 12:3545-3553. PNNL-SA-33958.
  • Williford R.E., J.W. Stevenson, Y.S. Chou, and L.R. Pederson. 2001. "Computer Simulations of Thermal Expansion in Lanthanum-Based Perovskites." Journal of Solid State Chemistry 156, no. 2:394-399. PNNL-SA-32526.

2000

  • Chou Y.S., J.W. Stevenson, T.R. Armstrong, and L.R. Pederson. 2000. "Mechanical Properties of La1-xSrxCo0.2Fe0.803 Mixed-Conducting Perovskites Made by the Combustion Synthesis Technique." Journal of the American Ceramic Society 83, no. 6:1457-1464. PNNL-SA-31317.
  • Chou Y.S., J.W. Stevenson, T.R. Armstrong, and L.R. Pederson. 2000. "Mechanical Properties of La1-xSrxCo0.2Fe0.803 Mixed-Conducting Perovskites Made by the Combustion Synthesis Technique." Journal of the American Ceramic Society 83, no. 6:1457-1464. PNNL-SA-31317.
  • Chou Y.S., J.W. Stevenson, T.R. Armstrong, J.S. Hardy, K. Hasinska, and L.R. Pederson. 2000. "Microstructure and mechanical properties of Sm1-xSrxCo0.2Fe0.8O3." Journal of Materials Research 15, no. 7:1505-1513. PNNL-SA-32329.

1999

  • Baskaran S., C.A. Lewinsohn, Y.S. Chou, M. Qian, J.W. Stevenson, and T.R. Armstrong. 1999. "Mechanical Properties of Alkaline-Earth Doped Lanthanum Gallate." Journal of Materials Science 34, no. 16:3913-3922. PNNL-SA-30413.

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