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Title: Intermediate temperature fuel cells via an ion-pair coordinated polymer electrolyte

Fuel cells are attractive devices that convert chemical energy into electricity through the direct electrochemical reaction of hydrogen and oxygen. Intermediate temperature fuel cells operated at 200–300°C can simplify water and thermal managements, enable the use of non-precious or low-loading precious metal catalysts and provide insensitivity toward fuel and air impurities such as carbon monoxide. However, the performance of current intermediate temperature fuel cells is poor due to a lack of highly-conductive membrane electrolytes and optimal electrodes designed for these fuel cells. We demonstrate high-performing intermediate temperature fuel cells that use SnP 2O 7–polymer composite membranes and a quaternary ammonium-biphosphate ion-pair coordinated polymer electrolyte in the electrodes. The peak power density of the fuel cell under H 2 and O 2 reached 870 mW cm -2 at 240°C with minimal performance loss under exposure to 25% carbon monoxide.
Authors:
ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1] ;  [2] ;  [2] ; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Ceramatec, Inc., Salt Lake City, UT (United States)
Publication Date:
Report Number(s):
LA-UR-17-31199
Journal ID: ISSN 1754-5692; EESNBY
Grant/Contract Number:
AC52-06NA25396; AR0000314
Type:
Accepted Manuscript
Journal Name:
Energy & Environmental Science
Additional Journal Information:
Journal Volume: 11; Journal Issue: 4; Journal ID: ISSN 1754-5692
Publisher:
Royal Society of Chemistry
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Advanced Research Projects Agency - Energy (ARPA-E); USDOE National Nuclear Security Administration (NNSA)
Contributing Orgs:
Univ. of Tennessee, Knoxville, TN (United States)
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION; 36 MATERIALS SCIENCE
OSTI Identifier:
1473810
Alternate Identifier(s):
OSTI ID: 1434125

Lee, Kwan-Soo, Maurya, Sandip, Kim, Yu Seung, Kreller, Cortney R., Wilson, Mahlon S., Larsen, Dennis, Elangovan, S. Elango, and Mukundan, Rangachary. Intermediate temperature fuel cells via an ion-pair coordinated polymer electrolyte. United States: N. p., Web. doi:10.1039/C7EE03595K.
Lee, Kwan-Soo, Maurya, Sandip, Kim, Yu Seung, Kreller, Cortney R., Wilson, Mahlon S., Larsen, Dennis, Elangovan, S. Elango, & Mukundan, Rangachary. Intermediate temperature fuel cells via an ion-pair coordinated polymer electrolyte. United States. doi:10.1039/C7EE03595K.
Lee, Kwan-Soo, Maurya, Sandip, Kim, Yu Seung, Kreller, Cortney R., Wilson, Mahlon S., Larsen, Dennis, Elangovan, S. Elango, and Mukundan, Rangachary. 2018. "Intermediate temperature fuel cells via an ion-pair coordinated polymer electrolyte". United States. doi:10.1039/C7EE03595K.
@article{osti_1473810,
title = {Intermediate temperature fuel cells via an ion-pair coordinated polymer electrolyte},
author = {Lee, Kwan-Soo and Maurya, Sandip and Kim, Yu Seung and Kreller, Cortney R. and Wilson, Mahlon S. and Larsen, Dennis and Elangovan, S. Elango and Mukundan, Rangachary},
abstractNote = {Fuel cells are attractive devices that convert chemical energy into electricity through the direct electrochemical reaction of hydrogen and oxygen. Intermediate temperature fuel cells operated at 200–300°C can simplify water and thermal managements, enable the use of non-precious or low-loading precious metal catalysts and provide insensitivity toward fuel and air impurities such as carbon monoxide. However, the performance of current intermediate temperature fuel cells is poor due to a lack of highly-conductive membrane electrolytes and optimal electrodes designed for these fuel cells. We demonstrate high-performing intermediate temperature fuel cells that use SnP2O7–polymer composite membranes and a quaternary ammonium-biphosphate ion-pair coordinated polymer electrolyte in the electrodes. The peak power density of the fuel cell under H2 and O2 reached 870 mW cm-2 at 240°C with minimal performance loss under exposure to 25% carbon monoxide.},
doi = {10.1039/C7EE03595K},
journal = {Energy & Environmental Science},
number = 4,
volume = 11,
place = {United States},
year = {2018},
month = {3}
}

Works referenced in this record:

Porous Hollow Carbon@Sulfur Composites for High-Power Lithium-Sulfur Batteries
journal, May 2011
  • Jayaprakash, N.; Shen, J.; Moganty, Surya S.
  • Angewandte Chemie, Vol. 123, Issue 26, p. 6026-6030
  • DOI: 10.1002/ange.201100637