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Single fuel cell and fuel cell stack

A technology of fuel cells and monomers, applied in the directions of fuel cells, circuits, electrical components, etc., can solve the problems of deformation and displacement of the insulating frame, affecting the performance of the battery, etc., and achieve the effect of simplifying the assembly process

Pending Publication Date: 2019-05-07
国家电投集团氢能科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When subjected to the high pressure of battery operation, the difference in the properties of the insulating frame itself and the membrane electrode material can easily lead to deformation and displacement of the insulating frame, thereby affecting battery performance

Method used

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  • Single fuel cell and fuel cell stack
  • Single fuel cell and fuel cell stack
  • Single fuel cell and fuel cell stack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Refer below Figure 1-Figure 22 A fuel cell separator according to an embodiment of the present invention is described.

[0052] like Figure 1-Figure 22 As shown, a fuel cell separator according to one embodiment of the present invention includes an anode plate 10 and a cathode plate 20 .

[0053] Among them, such as Figure 21 As shown, the first side of the anode plate 10 is provided with an anode flow channel 111, at least part of the anode flow channel 111 extends along the first direction, preferably, the main part of the anode flow channel 111 extends along the first direction.

[0054] like Figure 22 As shown, the first side of the cathode plate 20 is provided with a cathode flow channel 211, at least part of the cathode flow channel 211 extends along the second direction, at least part of the cathode flow channel 211 extends along the second direction, preferably, the cathode flow channel 211 The body portion extends along the second direction.

[0055] The...

Embodiment 2

[0084] Refer below figure 2 , Figure 4-Figure 20 A fuel cell separator according to an embodiment of the present invention is described.

[0085] like figure 2 , Figure 4-Figure 20 As shown, a fuel cell separator according to one embodiment of the present invention includes an anode plate 10 , a cathode plate 20 and a grid plate 60 .

[0086] Wherein, the first side of the anode reaction zone 11 and the first side of the cathode reaction zone 21 are used to connect the membrane electrode assembly 30 of the fuel cell stack.

[0087] The grid 60 is interposed between the second side of the anode edge region 12 and the second side of the cathode edge region 22 , and the grid 60 is connected to both the anode edge region 12 and the cathode edge region 22 .

[0088] For example, the anode reaction area 11 may be rectangular, the anode edge area 12 may be a rectangular frame, the cathode reaction area 21 may be rectangular, the cathode edge area 22 may be a rectangular frame...

Embodiment 3

[0107] Refer below figure 2 , Figure 9-Figure 20 A fuel cell separator according to an embodiment of the present invention is described.

[0108] like figure 2 , Figure 9-Figure 18 As shown, a fuel cell separator according to an embodiment of the present invention includes an anode plate 10 , a cathode plate 20 and a gas circuit assembly 40 .

[0109] Wherein, the first side of the anode plate 10 is provided with an anode flow channel 111, the first side of the cathode plate 20 is provided with a cathode flow channel 211, the second side of the cathode plate 20 is opposite to the second side of the anode plate 10, and the gas path The component 40 is arranged on the first side of the cathode plate 20, and the gas path component 40 covers at least a part of the cathode flow channel 211, and the gas path component 40 can completely cover the cathode flow channel 211, or only cover a part of the cathode flow channel 211.

[0110] The gas circuit assembly 40 can meet the r...

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Abstract

The present invention discloses a single fuel cell and a fuel cell stack. The single fuel cell comprises: an anode plate, wherein the anode plate comprises an anode reaction region anode edge region,and the first side of the anode edge region is provided with an anode seal boss; a cathode plate comprising a cathode reaction region cathode edge region, wherein the first side of the cathode edge region is provided with a cathode seal boss; a membrane electrode module clamped between the first side of the anode plate and the first side of the cathode plate, an anode gas path diffusion layer is opposite to the anode reaction region, a cathode gas path diffusion layer is opposite to a cathode reaction region, the at least one part of the membrane electrode extended out of the anode gas path diffusion layer and the cathode gas path diffusion layer is provided with an insulation frame outwards, and the insulation frame is clamped between the anode seal boss and the cathode seal boss. The seal bosses for seal are arranged at the anode plate and the cathode plate to achieve location, seal and insulation of the membrane electrode module so as to greatly improve the assembling process.

Description

technical field [0001] The invention belongs to the technical field of fuel cell manufacturing, and in particular relates to a single fuel cell and a fuel cell stack with the fuel cell separator. Background technique [0002] Fuel cells, especially hydrogen fuel cells, are mainly used in new energy vehicles such as fuel cell powered vehicles, buses and trucks, new energy fuel cell powered locomotives, aircraft, household distributed power supplies and other fields. [0003] A fuel cell has a stacked structure, and is generally constituted by a stack in which a plurality of single fuel cells are stacked. A single fuel cell generally includes a power generator and a separator. The power generator includes an electrolyte membrane and electrode catalyst layers disposed on both sides of the electrolyte membrane. In a fuel cell stack, collector plates, insulating plates, and end plates are sequentially stacked at both ends of the stack, and a pair of end plates on both sides of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/0258H01M8/0267H01M8/1007H01M8/248H01M8/0273
CPCY02E60/50
Inventor 耿珺柴茂荣李鹏飞宋耀颖陆维
Owner 国家电投集团氢能科技发展有限公司
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