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Wind-radiating vehicular fuel cell

A technology of fuel cells and fuel cell stacks, which is applied in the direction of fuel cells, fuel cell additives, fuel cell heat exchange, etc., and can solve the problems of poor heat dissipation on the outer package surface of fuel cells, adding additional heat sinks, increasing weight and cost, etc. , to achieve the effect of realizing commercial application, strong external package, and reducing heat dissipation equipment

Active Publication Date: 2012-10-10
SUNRISE POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of the prior art are: the heat dissipation effect of the outer packaging surface of the fuel cell is poor, and an additional heat dissipation device needs to be added, which not only wastes energy but also increases weight and cost

Method used

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  • Wind-radiating vehicular fuel cell
  • Wind-radiating vehicular fuel cell
  • Wind-radiating vehicular fuel cell

Examples

Experimental program
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Embodiment Construction

[0024] The embodiment shown in the drawings is a 15kW fuel cell stack for vehicles, which is composed of a non-conductive end plate 1, a metal bipolar plate 3, and a current collector plate 2. The side of the end plate 1 is provided with an air inlet and outlet 5, a hydrogen inlet and outlet 6, and Auxiliary cooling water inlet and outlet 4. The effective area of ​​the battery is 360 square centimeters, the number of battery cells is 120, and the current density is 500 mA per square centimeter. Use the end plate 1, metal bipolar plate 3 and collector plate 2 of the fuel cell of the prior art to assemble the fuel cell stack, keep the shape of each plate unchanged, and keep the inlet and outlet 4 of the heat dissipation water, so that it can meet the needs of natural heat dissipation. When the heat dissipation of the whole vehicle is required, it is used as an auxiliary heat dissipation. The outer surface of the fuel cell outer package 7 is provided with finned heat sinks. The ...

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Abstract

The invention relates to a wind-radiating vehicular fuel cell, comprising a fuel cell stack formed by a plurality of sections of monocells; the fuel cell stack is compactly fixed by an end plate; the external package of the fuel cell is fixedly connected on the end plate of the fuel cell stack; the outer surface of the external package of the fuel cell is provided with radiating fins which are distributed parallelly to the moving direction of a vehicle; the inner surface of the external package is coated with heat-conducting rubber in an attached manner; and the surface of the heat-conductingrubber is connected with double polar plates of the fuel cell stack in a leaning manner. The wind-radiating vehicular fuel cell has the advantages that: the outer surface of the external package of the fuel cell stack is provided with the radiating fins, so as to lead the external package of the fuel cell stack to be firmer, thus leading the assembly of the external package of the fuel cell stackto be more strong and firm; and the wind-radiating vehicular fuel cell also can save the energy, reduce radiating devices, optimize the system, improve the reliability, and can reduce the cost, thus being beneficial to realizing the commercial application of the fuel cell.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to the heat dissipation technology of fuel cells. Background technique [0002] In the prior art, the heat dissipation of the vehicle fuel cell is to rely on the cooling water system of the fuel cell to cool most of the heat generated by the internal reaction of the fuel cell; . The disadvantages of the prior art are: the heat dissipation effect of the outer packaging surface of the fuel cell is poor, and an additional heat dissipation device needs to be added, which not only wastes energy but also increases weight and cost. Contents of the invention [0003] The object of the present invention is to provide a fuel cell for vehicles that utilizes the outer package of the fuel cell to dissipate heat. [0004] The technical solution of the present invention is: a wind-heated vehicle fuel cell, including a fuel cell stack composed of multiple single cells, the fuel cell stack is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04H01M8/00H01M8/0267H01M8/04014H01M8/2465
CPCY02E60/50
Inventor 孙德尧侯中军明平文刘常福
Owner SUNRISE POWER CO LTD
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