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Bipolar plate for fuel cell comprising a housing for measuring connector

A fuel cell and bipolar plate technology, which is applied to fuel cell parts, fuel cells, fuel cell additives, etc., can solve the problems of increasing the manufacturing cost of bipolar plates

Active Publication Date: 2009-12-09
PEZHO SITROEN AUTOMOBILS SA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technique has the disadvantage that for the same bipolar plate, in addition to the two bipolar half-plates, a supplementary part is required to ensure the joint between the two bipolar half-plates and to ensure the supply and discharge of fluids and by-products
These lugs increase the size of the bipolar plate as well as its manufacturing cost

Method used

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  • Bipolar plate for fuel cell comprising a housing for measuring connector
  • Bipolar plate for fuel cell comprising a housing for measuring connector

Examples

Experimental program
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Embodiment Construction

[0016] [16] in figure 1 Only a single surface can be seen in the bipolar plate shown, which consists of a cathodic or anodic bipolar half plate 1 and a correspondingly anodic or cathodic bipolar half plate, both of which are The two bipolar half-plates are interconnected by their inner surfaces. Each of the two bipolar half plates is made of, for example, a metal plate made of stainless steel. The central part 2 of each bipolar half-plate constitutes the active area, and has a ribbed net 3, which is used to ensure that the flow of fluid is well distributed on the outer surface of each bipolar half-plate, and to ensure the flow of the heat-carrying fluid The flow is well distributed between the two bipolar half plates. The two bipolar half-plates comprise at their periphery cutouts 4, 5, 6 for forming fluid boxes for the supply and discharge of the different fluids necessary for the operation of the cell.

[0017] [17] Especially in the upper and lower parts of the bipolar p...

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Abstract

Bipolar plate for a fuel cell comprising interconnected cathode half-plates and anode half-plates, each bipolar half-plate (1) consisting of a plate comprising in its central part The active area (2) includes a plurality of cutouts (5) in its peripheral part, and the cutouts are used to form at least two combustion aid boxes, at least two fuel boxes and at least two heat transfer fluid boxes, and at least one bipolar half plate (1 ) comprises at least one coupling between the peripheral cutout (5) and said active area (2), and said bipolar plate comprises at least one hollow at its periphery for accommodating electrical measuring connectors (141) Seat groove (140).

Description

technical field [0001] [01] The present invention relates to a bipolar plate for a proton exchange membrane type fuel cell. A bipolar plate consists of two interconnected bipolar half-plates, each half-plate consisting of a generally rectangular plate comprising the active region in its central part and a plurality of Cutouts, and ribs for tightness. Background technique [0002] [02] A proton exchange membrane fuel cell is a device that generates electric current through an electrochemical reaction between a fuel such as a hydrogen-containing gas and a combustion oxidizer such as an oxygen-containing gas separated by a wall composed of a solid electrolyte separated. In one such device, when the fuel is a hydrogen-containing gas and the oxidizer is an oxygen-containing gas, the fuel and oxidizer react to produce a reaction product such as water while generating an electrical current that can be used for various purposes. [0003] [03] Generally, a fuel cell consists of a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04H01M8/24
CPCH01M8/0267H01M8/04246H01M8/0221H01M8/0247H01M8/0213Y02E60/50H01M8/04537H01M8/0206H01M8/2465H01M8/2457H01M8/04029H01M8/2483
Inventor D·勒玛森X·格利帕让-菲利普·普瓦罗-克鲁弗齐耶P·肖特
Owner PEZHO SITROEN AUTOMOBILS SA
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