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Fuel cell stack assembly

A fuel cell stack and assembly technology, applied in the field of electrochemical cells, can solve the problems of increasing the volume of the fuel cell stack assembly, difficult layout of the fuel cell stack assembly system, etc., and achieves the effects of convenient layout, reduced occupied space, and suitable volume

Active Publication Date: 2021-11-16
FTXT ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the current insulating plates, end plates and collector plates adopt a split design, but the split design will increase the volume of the fuel cell stack assembly, which makes the layout of the fuel cell stack assembly system more difficult

Method used

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  • Fuel cell stack assembly
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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] In describing the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship indicated by "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have Certain orientations,...

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Abstract

The invention discloses a fuel cell stack assembly. The fuel cell stack assembly comprises a stack and end plate modules, wherein the end plate modules are located at the upper end and the lower end of the stack, each end plate module comprises an end plate, an insulating plate and a collector plate, the insulating plate is located between the end plate and the collector plate, the collector plate is located on the side close to the stack and electrically connected with the stack, the insulating plate is embedded into the end plate, and / or the collector plate is embedded into the insulating plate. According to the fuel cell stack assembly disclosed by the embodiment of the invention, at least one of the insulating plate and the collector plate can be embedded into the adjacent component, so that the occupied space of the end plate module in the height direction can be effectively reduced, the volume of the fuel cell stack assembly can be further reduced, and the fuel cell stack assembly system is ensured to be convenient and reasonable in arrangement.

Description

technical field [0001] The invention relates to the technical field of electrochemical cells, in particular to a fuel cell stack assembly. Background technique [0002] The fuel cell stack assembly is a high-efficiency energy conversion power generation device that converts the chemical energy in the fuel and oxidant into electrical energy by directly electrochemically reacting hydrogen as the best fuel without going through the combustion process. It has a lower operating temperature , Short start-up time, high power density, fast load response, no electrolyte loss, etc. [0003] Specifically, end plate modules are provided at both ends of the fuel cell stack assembly, and the end plate modules include: end plates, current collector plates, and insulating plates, wherein the end plates are the main stress-bearing parts of the stack when they are press-fitted, and the current collectors The plate is used to lead the current generated by each single cell to the external load...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/2465H01M8/247H01M8/02
CPCH01M8/2465H01M8/247H01M8/02Y02E60/50
Inventor 杨东胜刘栋栋王鹏
Owner FTXT ENERGY TECH CO LTD