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Title: Pattern recognition monitoring of PEM fuel cell

Abstract

The CO-concentration in the H.sub.2 feed stream to a PEM fuel cell stack is monitored by measuring current and voltage behavior patterns from an auxiliary cell attached to the end of the stack. The auxiliary cell is connected to the same oxygen and hydrogen feed manifolds that supply the stack, and discharges through a constant load. Pattern recognition software compares the current and voltage patterns from the auxiliary cell to current and voltage signature determined from a reference cell similar to the auxiliary cell and operated under controlled conditions over a wide range of CO-concentrations in the H.sub.2 fuel stream.

Inventors:
 [1]
  1. Pittsford, NY
Publication Date:
Research Org.:
General Motors LLC, Detroit, MI (United States)
OSTI Identifier:
872486
Patent Number(s):
US 5945229
Assignee:
General Motors Corporation (Detroit, MI)
DOE Contract Number:  
AC02-90CH10435
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
pattern; recognition; monitoring; pem; fuel; cell; co-concentration; feed; stream; stack; monitored; measuring; current; voltage; behavior; patterns; auxiliary; attached; connected; oxygen; hydrogen; manifolds; supply; discharges; constant; load; software; compares; signature; determined; reference; similar; operated; controlled; conditions; wide; range; co-concentrations; reference cell; fuel cell; pattern recognition; fuel stream; cell stack; feed stream; wide range; pem fuel; controlled conditions; recognition software; measuring current; voltage patterns; voltage behavior; behavior patterns; cell similar; hydrogen feed; /429/

Citation Formats

Meltser, Mark Alexander. Pattern recognition monitoring of PEM fuel cell. United States: N. p., 1999. Web.
Meltser, Mark Alexander. Pattern recognition monitoring of PEM fuel cell. United States.
Meltser, Mark Alexander. Fri . "Pattern recognition monitoring of PEM fuel cell". United States. https://www.osti.gov/servlets/purl/872486.
@article{osti_872486,
title = {Pattern recognition monitoring of PEM fuel cell},
author = {Meltser, Mark Alexander},
abstractNote = {The CO-concentration in the H.sub.2 feed stream to a PEM fuel cell stack is monitored by measuring current and voltage behavior patterns from an auxiliary cell attached to the end of the stack. The auxiliary cell is connected to the same oxygen and hydrogen feed manifolds that supply the stack, and discharges through a constant load. Pattern recognition software compares the current and voltage patterns from the auxiliary cell to current and voltage signature determined from a reference cell similar to the auxiliary cell and operated under controlled conditions over a wide range of CO-concentrations in the H.sub.2 fuel stream.},
doi = {},
url = {https://www.osti.gov/biblio/872486}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {1}
}

Patent:

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