Proton exchange membrane fuel cell

Abstract

The invention discloses a proton exchange membrane fuel cell in the technical field of proton exchange membrane fuel cells. The fuel cell comprises a fuel cell stack, the upper end face and the lower end face of the fuel cell stack are fixedly connected with end plates, one end face of each end plate is provided with a plate body, a fan is arranged in the plate body, and a connecting mechanism is arranged between the fan and the plate body; the connecting mechanism comprises a first contact plate, a second contact plate and a connecting block, the connecting block is fixedly connected to the upper end face of the fan, the first contact plate is fixedly connected to one end face of the connecting block, the second contact plate is fixedly connected into the plate body, the connecting block is slidably inserted into the plate body, and the first contact plate and the second contact plate are in mutual contact and buckled connection. The installation efficiency is high, additional wiring operation does not need to be conducted on a wiring part in the disassembly and assembly process, the maintenance operation of a worker on the fan can be greatly improved, circuit connection is stable and safe, and practicability is high.

Description

technical field [0001] The invention relates to the technical field of proton exchange membrane fuel cells, in particular to a proton exchange membrane fuel cell. Background technique [0002] Proton exchange membrane fuel cell (PEMFC) is an efficient and clean energy conversion device. The metal bipolar plate air-cooled fuel cell simplifies the cooling, air supply and humidification systems of traditional fuel cells, and greatly reduces the weight of the system, making it It has great application potential in portable mobile power supply. [0003] Compared with Chinese patent CN202110116074.1, a proton exchange membrane fuel cell equipped with a cold start system, its content records that: the metal bipolar plate is made of 316 steel, the fuel cell stack 5 is composed of 38 single cells, and the cross structure is arranged 65 Root resistance wire 4. The power of a single resistance wire is 6.5w, the total power is 420w, and the ratio of the diameter of the resistance wire...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a proton exchange membrane fuel cell to solve the problem that metal filter screens will be used according to the requirements proposed in the above background technology. In the case of using this component, it is not convenient for the staff to carry out subsequent maintenance on it. It is not convenient for the user to operate, and when the fan is used to assist the fuel cell to work, the fan cannot be replaced and maintained well, and it needs to involve the connection of the fan circuit, which is inconvenient to operate

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