FUEL CELL SYSTEM

FUEL CELL SYSTEM

PROBLEM TO BE SOLVED: To provide a fuel cell system, easily detecting the presence of a cell abnormally decreased in voltage at a low cost. SOLUTION: This fuel cell system includes: a fuel cell 11 constructed by serially stacking two or more blocks 24 formed of an arbitrary number of cells; a light...

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Hauptverfasser: HAMADA AKIRA, TAJIMA KAZUHIRO, SHINDO KOJI, HATAYAMA RYUJI
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator HAMADA AKIRA
TAJIMA KAZUHIRO
SHINDO KOJI
HATAYAMA RYUJI
description PROBLEM TO BE SOLVED: To provide a fuel cell system, easily detecting the presence of a cell abnormally decreased in voltage at a low cost. SOLUTION: This fuel cell system includes: a fuel cell 11 constructed by serially stacking two or more blocks 24 formed of an arbitrary number of cells; a light emitting element 36 connected to both ends of the block 24 and adapted to emit light when predetermined voltage is applied; a photo detecting element 37 constituting a photo coupler 31 with the light emitting element 36; and a block voltage determination means connected to the photo detecting elements 37 to determine that the voltage of the block 24 becomes a threshold or less from the potential of the photo detecting element 37. The system is provided with a streamline element 41 serially connected to the light emitting element 36 and rectifying the direction of a current in one direction. COPYRIGHT: (C)2005,JPO&NCIPI
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title FUEL CELL SYSTEM
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