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Fuel cell component with cooling capability distribution selection function

A fuel cell and cooling capacity technology, applied to fuel cell components, fuel cells, fuel cell additives, etc., can solve problems such as insufficient cooling requirements

Active Publication Date: 2019-11-05
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such configurations have proven useful for many fuel cell arrangements, but cannot adequately meet cooling requirements in all possible fuel cell configurations

Method used

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  • Fuel cell component with cooling capability distribution selection function
  • Fuel cell component with cooling capability distribution selection function
  • Fuel cell component with cooling capability distribution selection function

Examples

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Embodiment Construction

[0012] figure 1 is a schematic cross-sectional view of an electrochemical cell, such as a fuel cell 10, for generating electrical energy. Exemplary fuel cell 10 includes various components, such as fluid transport plates 12 and 14 . In one example, fluid transport plate 12 is referred to as a cathode water transport plate, and fluid transport plate 14 is referred to as an anode water transport plate. Cathode and anode water transport plates 12 and 14 are at opposite sides of a membrane electrode assembly 16 which includes an electrolyte such as a proton exchange membrane 18 , a cathode catalyst 20 and an anode catalyst 22 . Additional known components such as gas diffusion layers may be included, but are not included in the figure 1 shown in .

[0013] Cathode water transport plate 12 includes a plurality of fluid flow channels 32 in fluid communication with each other and with cathode catalyst 20 . The exemplary fluid transfer plate 12 also includes fluid flow channels 34...

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PUM

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Abstract

The invention relates to an exemplary fuel cell component which comprises a plate with a plurality of passages, wherein at least the first passage in the passages is constructed in a way of being different from other passages, so that the first passage provides first cooling capability for a selection part of the plate; and the other passages provide smaller second cooling capability for at leastone of other parts of the plate.

Description

[0001] This application is a PCT patent application submitted on February 28, 2015 that has entered the Chinese national phase (Chinese national application number is 201280075555.1, international application number is PCT / US2012 / 053086, the title of the invention is "Fuel cell with selective cooling capacity distribution Parts") divisional application. Background technique [0002] Fuel cells are used to generate electricity based on electrochemical reactions. Various components are included within the fuel cell unit. Many of these components are typically implemented in the form of boards or sheets. For example, reactants are distributed throughout the fuel cell along channels formed in the plates. Coolant distribution channels in the plates facilitate the movement of coolant fluid through the fuel cells. [0003] Providing sufficient coolant in the fuel cell is necessary to prevent membrane degradation, which can lead to reduced fuel cell performance or component failure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/0258H01M8/0265H01M8/0267H01M8/04007
CPCH01M8/0265H01M8/0267H01M8/04007H01M8/026Y02E60/50H01M8/0258
Inventor S.S.巴丹奇J.G.莱克
Owner AUDI AG
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