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Fuel cell water distribution and storage integrated device and fuel cell system

A fuel cell and integrated device technology, applied in the direction of fuel cells, circuits, electrical components, etc., can solve problems such as the harsh integration space of double stacks, the difficulty of manifold design distribution uniformity and drainage capacity, etc., to ensure flow consistency, gas The liquid separation effect is stable and the connection method is simple.

Pending Publication Date: 2022-01-21
BEIJING SINOHYTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the harsh conditions such as the space for dual-stack integration, it is difficult to design the manifold to meet the distribution uniformity and drainage capacity at the same time

Method used

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  • Fuel cell water distribution and storage integrated device and fuel cell system
  • Fuel cell water distribution and storage integrated device and fuel cell system
  • Fuel cell water distribution and storage integrated device and fuel cell system

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Embodiment Construction

[0028] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0029] As used herein, the term "comprise" and its variants mean open inclusion, ie "including but not limited to". The term "or" means "and / or" unless otherwise stated. The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment." The term "another embodiment" means "at least one further embodiment". The terms "first", "second", etc. may refer to different or the same ...

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Abstract

The invention provides a fuel cell water distribution and storage integrated device and a fuel cell system. The device comprises a first electric pile, a second electric pile and an integrated structure, wherein the first electric pile is provided with a first hydrogen inlet and a first hydrogen outlet, the second electric pile is provided with a second hydrogen inlet and a second hydrogen outlet, the integrated structure comprises a shell, a first hydrogen outlet manifold, a second hydrogen outlet manifold, a cavity, a water distribution outlet, a first baffle, a second baffle, a third baffle and a first water outlet, the first hydrogen outlet manifold is connected with the first hydrogen outlet, the second hydrogen outlet manifold is connected with the second hydrogen outlet, the water distribution outlet is formed in the top of the shell, the first baffle extends inwards from the top of the shell, the second baffle extends inwards in an inclined mode from the side wall of the shell, the third baffle is arranged in the cavity, one end of the third baffle is connected with the inner end of the second baffle, acute angles are formed between the first baffle and the extension directions of the second baffle and the third baffle, and the first water outlet is formed in the bottom of the shell. According to the invention, the flow consistency of the upper and lower piles is ensured, and the upper and lower pile communication mode is simple.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a fuel cell water separation and water storage integration device and a fuel cell system. Background technique [0002] The hydrogen circuit of the fuel cell system mostly adopts the method of hydrogen reflux, and the unconsumed hydrogen in the fuel cell stack mixture (including hydrogen, water vapor, nitrogen, liquid water and others) is resupplied to the stack by using a circulation pump or an ejector , improve hydrogen utilization. Due to the huge difference in density between liquid water and gas, it is possible to block the reaction channel of the fuel cell after entering the stack and cause the stack to fail to work normally. Therefore, a gas-liquid separation device is usually arranged at the hydrogen outlet port to separate out the gas-liquid mixture in the stack. Liquid water is drained to avoid liquid water circulation into the stack. [0003] Moreover, due to the ...

Claims

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Application Information

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IPC IPC(8): H01M8/04119H01M8/04089
CPCH01M8/04164H01M8/04097Y02E60/50
Inventor 闪念丁铁新方川张国强李飞强
Owner BEIJING SINOHYTEC
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