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Anion-exchange-membrane type of fuel-cell-system

A fuel cell system and anion exchange membrane technology, applied in the direction of fuel cells, fuel cell additives, aqueous electrolyte fuel cells, etc., can solve the problems of fuel cell power generation efficiency reduction, to prevent the reduction of power generation efficiency and improve utilization efficiency Effect

Inactive Publication Date: 2013-03-06
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the conventional alkaline fuel cell, when unreacted fuel gas to be reused is supplied to the fuel channel again, CO 2 supply to the fuel channel, which may necessitate the problem of reduction in the power generation efficiency of the fuel cell

Method used

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  • Anion-exchange-membrane type of fuel-cell-system
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  • Anion-exchange-membrane type of fuel-cell-system

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Embodiment Construction

[0024] An anion exchange membrane fuel cell system according to the present invention includes: a fuel cell portion; and a carbon dioxide removal portion, wherein the fuel cell portion includes a fuel electrode, an air electrode, an anion exchange solid polymer sandwiched between the fuel electrode and the air electrode an electrolyte membrane, a fuel channel for supplying the fuel gas to the fuel electrode, and an air channel for supplying air or oxygen to the air electrode, and the carbon dioxide removing portion is configured to remove carbon dioxide mixed in the fuel gas when the fuel gas flows through the fuel channel, And the fuel gas is allowed to flow into the fuel passage again after the carbon dioxide is removed.

[0025] Preferably, the fuel cell system according to the present invention further includes a fuel gas supply part that supplies fuel gas to the fuel passage, and an air supply part that supplies air or oxygen to the air passage.

[0026] According to the ...

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Abstract

An anion-exchange-membrane type of fuel-cell-system includes: a fuel cell part; and a carbon dioxide eliminating part, wherein the fuel cell part comprises a fuel electrode, an air electrode, an anion-exchange type of solid polymer electrolyte membrane sandwiched between the fuel electrode and the air electrode, a fuel channel that supplies a fuel gas to the fuel electrode, and an air channel that supplies air or an oxygen gas to the air electrode, and the carbon dioxide eliminating part is configured to eliminate carbon dioxide which is mixed in the fuel gas when the fuel gas flows through the fuel channel, and to allow the fuel gas to flow again into the fuel channel after eliminating the carbon dioxide.

Description

technical field [0001] The present invention relates to a fuel cell system of the anion exchange membrane type. Background technique [0002] Alkaline fuel cells having an anion exchange membrane used as a solid polymer electrolyte membrane can employ catalysts other than noble metals as electrode catalysts. Therefore, alkaline fuel cells of this type can be manufactured at reduced cost. Therefore, an alkaline fuel cell has been researched and developed as a fuel cell instead of a fuel cell having a cation exchange membrane as a solid polymer electrolyte membrane. [0003] Figure 14 is a schematic cross-sectional view of an alkaline fuel cell having an anion exchange membrane as a solid polymer electrolyte membrane. Alkaline fuel cell comprises fuel electrode 51, air electrode 52, has OH as conductive ion - And the solid polymer electrolyte membrane 53 sandwiched between the fuel electrode 51 and the air electrode 52 , the fuel passage 60 supplying fuel gas to the fuel e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04H01M8/08
CPCY02E60/521H01M14/005H01M8/1067H01M2008/1095H01M8/0668H01M8/04097Y02E60/50H01M8/06H01M8/0606Y02E10/542
Inventor 水畑宏隆吉田章人佐多俊辅
Owner SHARP KK