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Title: DIRECT METHANOL FUEL CELLS AT REDUCED CATALYST LOADINGS

We focus in this paper on the reduction of catalyst loading in direct methanol fuel cells currently under development at Los Alamos National Laboratory. Based on single-cell DMFC testing, we discuss performance vs. catalyst loading trade-offs and demonstrate optimization of the anode performance. We also show test data for a short five-cell DMFC stack with the average total platinum loading of 0.53 mg cm{sup {minus}2} and compare performance of this stack with the performance of a single direct methanol fuel cell using similar total amount of precious metal.
Authors:
; ;
Publication Date:
OSTI Identifier:
780814
Report Number(s):
LA-UR-01-2633
TRN: AH200124%%163
DOE Contract Number:
W-7405-ENG-36
Resource Type:
Conference
Resource Relation:
Conference: Conference title not supplied, Conference location not supplied, Conference dates not supplied; Other Information: PBD: 1 May 2001
Research Org:
Los Alamos National Lab., NM (US)
Sponsoring Org:
US Department of Energy (US)
Country of Publication:
United States
Language:
English
Subject:
10 SYNTHETIC FUELS; 30 DIRECT ENERGY CONVERSION; ANODES; CATALYSTS; LANL; OPTIMIZATION; PERFORMANCE; PLATINUM; TESTING; METHANOL