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Fuel cell system with low-temperature cold start function

A fuel cell system and fuel cell technology, applied in the direction of fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve the problems of accelerating the cold start of fuel cells, affecting the use effect, and the vehicle cannot be powered on, so as to improve the system Effects of life, improved response, and shortened shutdown purge time

Pending Publication Date: 2022-06-17
BEIJING SINOHYTEC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The above-mentioned fuel cell system can not only accelerate the cold start of the fuel cell at low temperature, but also ensure the safe use of the stack. The scanning time is long, and the vehicle cannot be powered on after parking, which affects the use effect

Method used

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  • Fuel cell system with low-temperature cold start function
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  • Fuel cell system with low-temperature cold start function

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Embodiment Construction

[0033] In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the description in the text. rather, these embodiments are provided so that this disclosure will be thorough and complete.

[0034] It should be noted that when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it may be The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for the purpose of illustration only.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated by one o...

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Abstract

The invention provides a fuel cell system with a low-temperature cold start function. The fuel cell system comprises a temperature sensor, a fuel cell controller, a power cell and a bidirectional DC-DC circuit module, wherein the fuel cell controller is connected with the output end of the temperature sensor; the power cell and the bidirectional DC-DC circuit module are connected with the output end of the fuel cell controller; the output end of the bidirectional DC-DC circuit module is connected with a boost DC-DC circuit module, the output end of the boost DC-DC circuit module is connected with a fuel cell accessory system, and the fuel cell accessory system is connected with an electric pile. During low-temperature shutdown in winter, shutdown purging time can be shortened, the service life of the system is prolonged, and customer satisfaction is improved.

Description

technical field [0001] The invention mainly relates to the technical field of fuel cells, in particular to a fuel cell system with a low temperature cold start function. Background technique [0002] A fuel cell is a chemical device that directly converts the chemical energy of fuel into electrical energy, also known as an electrochemical generator. [0003] According to a low-temperature cold-start fuel cell system and its utilization method provided by the patent document with the application number of CN201510741934.5, it can be known that the fuel cell system includes a fuel cell system, a low-temperature cold-start heating device, a fuel cell control system and a power consumption end; The fuel cell system is respectively connected with a low-temperature cold-start heating device, a fuel cell control system and an electrical end; the fuel cell control system includes a control board and a control power supply. The system of the invention can not only accelerate the col...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04225H01M8/04014H01M8/04029H01M8/04302H01M8/0432H01M8/04992
CPCH01M8/04029H01M8/04014H01M8/04074H01M8/04268H01M8/04302H01M8/0432H01M8/04992
Inventor 李飞强王海平王阳各伟康
Owner BEIJING SINOHYTEC
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