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Brian Koeppel

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

PNNL Publications

2016

  • Reed DM, EC Thomsen, B Li, W Wang, Z Nie, BJ Koeppel, and VL Sprenkle. 2016. "Performance of a Low Cost Interdigitated Flow Design on a 1 kW Class All Vanadium Mixed Acid Redox Flow Battery." Journal of Power Sources 306:24-31.  doi:10.1016/j.jpowsour.2015.11.089
  • Reed DM, EC Thomsen, B Li, W Wang, Z Nie, BJ Koeppel, JP Kizewski, and VL Sprenkle. 2016. "Stack Developments in a kW class all vanadium mixed acid redox flow battery at the Pacific Northwest National Laboratory." Journal of the Electrochemical Society 163(1):A5211-A5219.  doi:10.1149/2.0281601jes

2015

  • Reed DM, EC Thomsen, W Wang, Z Nie, B Li, X Wei, BJ Koeppel, and VL Sprenkle. 2015. "Performance of NafionŽ N115, NafionŽ NR-212, and NafionŽ NR-211 in a 1 kW Class All Vanadium Mixed Acid Redox Flow Battery." Journal of Power Sources 285:425-430.  doi:10.1016/j.jpowsour.2015.03.099
  • Chou YS, EV Stephens, Z Xu, W Xu, BJ Koeppel, and JW Stevenson. 2015. Mitigation and Prediction of Spallation of Oxide Scales on Ferritic Stainless SteelPNNL-24025, Pacific Northwest National Laboratory, Richland, WA. 

2014

2013

  • Pan W, J Bao, C Lo, C Lai, K Agarwal, BJ Koeppel, and MA Khaleel. 2013. "A general approach to develop reduced order models for simulation of solid oxide fuel cell stacks." Journal of Power Sources 232:139-151.  doi:10.1016/j.jpowsour.2013.01.057

2011

  • Koeppel BJ, C Lai, and MA Khaleel. 2011. SOFC-MP 2D User ManualPNNL-20433, Pacific Northwest National Laboratory, Richland, WA. 
  • Koeppel BJ, C Lai, and MA Khaleel. 2011. "EFFECT OF GEOMETRY AND OPERATING PARAMETERS ON SIMULATED SOFC STACK TEMPERATURE UNIFORMITY." In Proceedings of ASME 2011 5th International Conference on Energy Sustainability & 9th Fuel Cell Science, Engineering and Technology Conference, August 7-10, 2011, Washington DC, pp. Paper No. ESFuelCell2011-54803.  ASME, New York, NY. 
  • Koeppel BJ, C Lai, and MA Khaleel. 2011. "SOFC Multi-Physics (SOFC-MP) Modeling and Simulation Tools." Chapter III.G.4 in 2011 Office of Fossil Energy Fuel Cell Program Annual Report, vol. DOE/NETL-2012-1525, pp. 207-210.  Department of Energy, Washington DC. 
  • Koeppel BJ, EV Stephens, and MA Khaleel. 2011. "Optimization of Stack Load Path and Contact Materials." Chapter III.G.3 in 2011 Office of Fossil Energy Fuel Cell Program Annual Report, vol. DOE/NETL-2012-1525, pp. 202-206.  Department of Energy, Washington, DC. 
  • Koeppel BJ, WN Liu, EV Stephens, and MA Khaleel. 2011. "NUMERICAL MODELING OF CATHODE CONTACT MATERIAL DENSIFICATION." Chapter 16 in Advances in Solid Oxide Fuel Cells VII: Ceramic Engineering and Science Proceedings, 8th International Symposium on Solid Oxide Fuel Cells: Materials, Science, and Technology, vol. 32, no. 4, ed. NP Bansal, et al, pp. 171-182.  John Wiley & Sons, Hoboken, NJ.  doi:10.1002/9781118095249.ch16
  • Khaleel MA, X Sun, EV Stephens, KP Recknagle, EM Ryan, BJ Koeppel, and C Lai. 2011. "SOFC Modeling and Simulation Tools." Chapter III.G.2 in 2011 Office of Fossil Energy Fuel Cell Program Annual Report, vol. DOE/NETL-2012-1525, pp. 198-201.  Department of Energy, Washington DC, DC. 
  • Lai C, BJ Koeppel, KS Choi, KP Recknagle, X Sun, LA Chick, VN Korolev, and MA Khaleel. 2011. "A Quasi-Two-Dimensional Electrochemistry Modeling Tool for Planar Solid Oxide Fuel Cell Stacks." Journal of Power Sources 196(6):3204-3222.  doi:10.1016/j.jpowsour.2010.11.123
  • Yang C, HT Lim, SC Hwang, D Kim, C Lai, BJ Koeppel, KP Recknagle, and MA Khaleel. 2011. "Modeling of On-Cell Reforming Reaction for Planar SOFC Stacks." In Proceedings of the ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability (FUELCELL2011) August 7-10, 2011, Washington, DC, pp. 355-363, FuelCell2011-54138.  American Society of Mechanical Engineers, New York, NY.  doi:10.1115/FuelCell2011-54138

2010

  • Khaleel MA, X Sun, WN Liu, EV Stephens, KP Recknagle, EM Ryan, BJ Koeppel, and C Lai. 2010. "SOFC Modeling and Simulation Tools." Chapter III.G.2 in 2010 Office of Fossil Energy Fuel Cell Program Annual Report, vol. DOE/NETL-2010/1439, pp. 215-219.  Department of Energy, Washington DC. 
  • Liu WN, BJ Koeppel, X Sun, and MA Khaleel. 2010. "EFFECTS OF GEOMETRICAL AND MECHANICAL PROPERTIES OF VARIOUS COMPONENTS ON STRESSES OF THE SEALS IN SOFCS." In Advances in Solid Oxide Fuel Cells VI: Ceramic Engineering and Science Proceedings, vol. 31, ed. P Singh, NP Bansal, S Mathur and T Ohji, pp. 53-62.  John Wiley & Sons, Inc., Hoboken, NJ. 
  • Liu WN, X Sun, BJ Koeppel, and MA Khaleel. 2010. "Creep Behavior of Glass/Ceramic Sealant Used in Solid Oxide Fuel Cells." In Advances in Solid Oxide Fuel Cells V: Ceramic Engineering and Science Proceedings, ed. NP Bansal, P Singh, D Singh and J Salem, pp. 203-209.  John Wiley & Sons, Inc., Hoboken, NJ.  doi:10.1002/9780470584316.ch19
  • Liu WN, X Sun, BJ Koeppel, and MA Khaleel. 2010. "Experimental Study of the Aging and Self-Healing of Glass/Ceramic Sealant Used in SOFCs." International Journal of Applied Ceramic Technology 7(1):22-29. 
  • Recknagle KP, EM Ryan, BJ Koeppel, LA Mahoney, and MA Khaleel. 2010. "Modeling of Electrochemistry and Steam-Methane Reforming Performance for Simulating Pressurized Solid Oxide Fuel Cell Stacks." Journal of Power Sources 195(19):6637-6644. 
  • Recknagle KP, EM Ryan, BJ Koeppel, LA Mahoney, and MA Khaleel. 2010. "Modeling of Electrochemistry and Steam-Methane Reforming Performance for Simulating Pressurized Solid Oxide Fuel Cell Stacks." Journal of Power Sources 195(19):6637-6644.  doi:10.1016/j.jpowsour.2010.04.024

2009

  • Joulaee N, A Makradi, S Ahzi, MA Khaleel, and BJ Koeppel. 2009. "Prediction of crack propagation paths in the unit cell of SOFC stacks." International Journal of Mechanics and Materials in Design 5(3):217-230.  doi:10.1007/s10999-009-9095-5
  • Liu WN, X Sun, BJ Koeppel, EV Stephens, and MA Khaleel. 2009. "Creep Behavior of Glass/Ceramic Sealant and its Effect on Long-term Performance of Solid Oxide Fuel Cells." International Journal of Applied Ceramic Technology 8(1):49-59.  doi:10.1111/j.1744-7402.2009.02455.x
  • Milhans J, S Ahzi, H Garmestani, MA Khaleel, X Sun, and BJ Koeppel. 2009. "Modeling of the Effective Elastic and Thermal Properties of Glass-Ceramic Solid Oxide Fuel Cell Seal Materials ." Materials & Design 30(5):1667-1673. 
  • Stephens EV, JS Vetrano, BJ Koeppel, YS Chou, X Sun, and MA 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(2):625-631. 

2008

  • Weil KS, and BJ Koeppel. 2008. "Comparative Finite Element Analysis of the Stress-Strain States in Three Different Bonded Solid Oxide Fuel Cell Seal Designs." Journal of Power Sources 180(1):343-353. 
  • Koeppel BJ, JS Vetrano, BN Nguyen, X Sun, and MA Khaleel. 2008. "MECHANICAL PROPERTY CHARACTERIZATIONS AND PERFORMANCE MODELING OF SOFC SEALS." In Advances in Solid Oxide Fuel Cells II: Ceramic Engineering and Science Proceedings, vol. 27, no. 4, pp. 325-335.  Wiley Interscience, New York, NY.  doi:10.1002/9780470291337.ch32
  • Liu WN, X Sun, BJ Koeppel, and MA Khaleel. 2008. "Experimental Study of Effect of Aging and Self-healing Behavior of Glass/Ceramic Sealant on Glass/Ceramic Sealant Used in SOFC." In Materials Science & Technology 2008 Conference and Exhibition: MS&T '08: October 5-9, 2008, Pittsburgh, Pennsylvania, pp. 380-389.  Proceedings on Materials Science and Technology (MS&T) 2008, Pittsburgh, PA. 

2007

  • Adkins HE, Jr, BJ Koeppel, and JM Cuta. 2007. Spent Fuel Transportation Cask Response to the Caldecott Tunnel Fire ScenarioNUREG/CR-6894 Rev1; PNNL-15346, Pacific Northwest National Laboratory, Richland, WA. 
  • Recknagle KP, BJ Koeppel, X Sun, MA Khaleel, ST Yokuda, and P Singh. 2007. "Analysis of Percent On-Cell Reformation of Methane in SOFC Stacks and the Effects on Thermal, Electrical, and Mechanical Performance." ECS Transactions 5(1):473-480. 
  • Shah MJ, NA Klymyshyn, HE Adkins, Jr, and BJ Koeppel. 2007. "HI-STAR 100 Spent Fuel Transport Cask Analytical Evaluation for Drop Events." Packaging, Transport, Storage and Security of Radioactive Material 18(1):3-9. 
  • Shah MJ, NA Klymyshyn, HE Adkins, Jr, and BJ Koeppel. 2007. "TN-68 Spent Fuel Transport Cask Analytical Evaluation for Drop Events." Packaging, Transport, Storage and Security of Radioactive Material 18:11-18. 

2006

  • Nguyen BN, BJ Koeppel, and MA Khaleel. 2006. "A SMALL-SCALE DAMAGE APPROACH TO PREDICT FATIGUE CRACK GROWTH IN CERAMIC MATERIALS." In Fatigue 2006: 9th International Fatigue Congress, p. paper no. FT555.  Elsevier, Oxford, United Kingdom. 
  • Nguyen BN, BJ Koeppel, JS Vetrano, and MA Khaleel. 2006. "On the Nonlinear Behavior of a Glass-Ceramic Seal and its Application in Planar SOFC Systems." In Proceedings of 4th International ASME Conference on Fuel Cell Science, Engineering and Technology, FUELCELL2006, Jun 19-21 2006, Irvine, CA, United States, p. 6 pages.  American Society of Mechanical Engineers, New York, NY. 
  • Weil KS, JS Hardy, and BJ Koeppel. 2006. "New sealing concept for planar solid oxide fuel cells ." Journal of Materials Engineering and Performance 15(4):427-432. 
  • Weil KS, JS Hardy, and BJ Koeppel. 2006. "New Sealing Concept for Planar Solid Oxide Fuel Cells." Journal of Materials Engineering and Performance 15(4):427-432. 
  • Adkins HE, Jr, JM Cuta, BJ Koeppel, AD Guzman, and CS Bajwa. 2006. Spent Fuel Transportation Package Response to the Baltimore Tunnel Fire ScenarioNUREG-CR-6886 Rev.1; PNNL-15313, Pacific Northwest National Laboratory, Richland, WA. 
  • Nguyen BN, BJ Koeppel, S Ahzi, MA Khaleel, and P Singh. 2006. "Crack Growth in Solid Oxide Fuel Cell Materials: From Discrete to Continuum Damage Modeling." Journal of the American Ceramic Society 89(4):1358.  doi:10.1111/j.1551-2916.2005.00874.x

2005

  • Weil KS, BJ Koeppel, and JS Hardy. 2005. "A New Sealing Concept for Planar Solid Oxide Fuel Cells." In Joining of Advanced and Specialty Materials VII: Proceedings from Materials Solutions October 18-20, 2004, Columbus, Ohio, pp. 148-155.  ASM International, Materials Park, OH. 
  • Koeppel BJ, and KS Weil. 2005. "FINITE ELEMENT ANALYSIS OF THE BONDED COMPLIANT SEAL DESIGN - A NEW SEALING CONCEPT FOR USE IN PLANAR SOLID OXIDE FUEL CELLS." In Presented at 29th Int'l Conf on Advanced Ceramics & Composites held in Cocoa Bearch, FL, Jan. 23-28, 2005, published in Advances in Solid Oxide Fuel Cells, ed. Narottam P. Bansal, pp. 227-237.  The American Ceramic Society, Westerville, OH. 

2004

  • Adkins HE, Jr, BJ Koeppel, and DT Tang. 2004. "Spent Nuclear Fuel Structural Response when Subject to an End Impact Accident." In 2004 American Society of Mechanical Engineers, Pressure Vessels & Piping Division, vol. 483, pp. 207-214.  American Society of Mechanical Engineers, New York, NY. 
  • Nguyen BN, BJ Koeppel, P Singh, MA Khaleel, and S Ahzi. 2004. "Numerical Characteriztion of the Fracture Behavior of Solid Oxide Fuel Cell Materials by Means of Modified Boundary Layer Modeling." In 28th International Conference and Exposition on Advanced Ceramics and Composites, 25-30 Jan. 2004, Cocoa Beach, FL, USA. Published in: Ceramic Engineering and Science Proceedings, vol. 25, no. 3, ed. E. Lara-Curzio, M. J. Readey, pp. 393-399.  The American Ceramic Society, Westerville, OH. 

Experimental and Computational Engineering

Additional Information