Title:
燃料電池スタックデザイン及び作動方法
Document Type and Number:
Japanese Patent JP4753580
Kind Code:
B2
Abstract:
A fuel cell stack has at least two segments of fuel cells each having reactant gas passages. Each of the cells in each segment is arranged such that the reactant gas passages of each cell are in parallel with each other cell. Flow of fuel cell fluids, normally in a gaseous state on the anode and cathode side of each cell, is in a gravity assisted downward direction. Gravity assisted flow directs water formed in each cell to lower removal points of the stack segments. Each pair of segments is separated by a separator segment having a separator channel, the separator segment forming an integral unit of the stack. Each separator channel redirects the entire flow of each fluid within the stack from the bottom of an upstream segment to the top of a next or downstream segment, without reacting the fluid, controlling relative humidity between stack segments.
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Inventors:
Lapaport, Pinkus A
Rock, Jeffrey A.
Bosco, Andrew Dee
Salvador, John Pea
Gasth Tiger, Hobart
Pain, Leslie A
Rock, Jeffrey A.
Bosco, Andrew Dee
Salvador, John Pea
Gasth Tiger, Hobart
Pain, Leslie A
Application Number:
JP2004532921A
Publication Date:
August 24, 2011
Filing Date:
August 20, 2003
Export Citation:
Assignee:
GENERAL MOTORS CORPORATION
International Classes:
H01M8/24; H01M2/14; H01M8/02; H01M8/04; H01M8/10
Domestic Patent References:
| JPH06203862A | 1994-07-22 | |||
| JP2003157864A | 2003-05-30 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Osamu Hoshino
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Osamu Hoshino