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Vehicle hydrogen fuel cell management method and system

A fuel cell and management method technology, applied in fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve the problems of short battery life and limited power output power of rechargeable batteries, and solve the difficulty of hydrogen transportation and storage. , high cost, and the effect of solving security risks

Pending Publication Date: 2020-05-29
张纵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention proposes a method of using methanol water reforming to produce hydrogen as a low-pressure adsorption hydrogen storage module to supplement hydrogen supply for fuel cells or using a low-pressure adsorption storage module to supply methanol water reforming hydrogen production modules as a supplementary supply for fuel cells. Hydrogen, a vehicle hydrogen fuel cell management method and system that solves the problems of short endurance of rechargeable batteries and limited power output of existing fuel cells. The specific technical solutions are as follows:

Method used

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  • Vehicle hydrogen fuel cell management method and system
  • Vehicle hydrogen fuel cell management method and system
  • Vehicle hydrogen fuel cell management method and system

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Such as figure 1 As shown, a hydrogen fuel cell management method for vehicles, the method is specifically:

[0037] Step 1: Pre-fill the low-pressure adsorption hydrogen storage module;

[0038] Step 2: Start the car, use the low-pressure adsorption hydrogen storage module to provide hydrogen for the fuel cell module, and at the same time, start the methanol reforming hydrogen production module. Part of the power output by the fuel cell module provides energy for the heating of the methanol reforming hydrogen production module, and the other part serves as car power source;

[0039] Step 3: After the methanol reforming hydrogen production module outputs hydrogen normally, cut off the output of the low-pressure adsorption hydrogen storage module;

[0040] Step 4: Inflate the low-pressure adsorption hydrogen storage module when it is detected that the hydrogen produced by the methanol reforming hydrogen production module is surplus;

[0041] Step 5: It is detected tha...

Embodiment 2

[0045] Embodiment two: if figure 2 As shown, in the case that other methods are the same as in Embodiment 1, as a modification,

[0046]In step 2, the power outputted by the fuel cell module is used to charge the rechargeable battery module. Part of the output of the rechargeable battery module provides energy for the heating of the methanol reforming hydrogen production module, and the other part is used as a power source for the vehicle. In this embodiment, the low-pressure adsorption hydrogen storage bottle is used when the car is started and when the methanol water reforming hydrogen generator produces hydrogen (about ten minutes), and it is also used for car acceleration and instantaneous large current use; methanol water storage The tank provides methanol water for the methanol water reforming hydrogen generator, and the hydrogen generated by the methanol water reforming hydrogen generator is used for power generation by the fuel cell to the output end of the power supp...

Embodiment 3

[0048] Embodiment 3: A hydrogen fuel cell management method for vehicles, the method is specifically as follows:

[0049] Step 1: Pre-fill the low-pressure adsorption hydrogen storage module;

[0050] Step 2: Start the car, use the low-pressure adsorption hydrogen storage module to provide hydrogen for the fuel cell module, and start the methanol reforming hydrogen production module at the same time;

[0051] Step 3: When the capacity of the low-pressure adsorption hydrogen storage module is lower than the set value, the methanol reforming hydrogen production module is used to provide hydrogen for the fuel cell module, and at the same time replenish hydrogen for the low-pressure adsorption hydrogen storage module. When the capacity of the low-pressure adsorption hydrogen storage module is higher than When the value is set, the methanol reforming hydrogen production module is stopped, and the low-pressure adsorption hydrogen storage module is resumed to provide hydrogen for the...

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Abstract

The invention discloses a vehicle hydrogen fuel cell management method and system. The method specifically comprises the steps of1, making a low-pressure adsorption hydrogen storage module be fully charged in advance; 2, starting a vehicle, providing hydrogen for a fuel cell module by adopting the low-pressure adsorption hydrogen storage module, and meanwhile, starting a methanol reforming hydrogen production module; 3, after the methanol reforming hydrogen production module normally outputs hydrogen, cutting off output of the low-pressure adsorption hydrogen storage module; 4, when hydrogen generated by the methanol reforming hydrogen production module is detected to be surplus, inflating the low-pressure adsorption hydrogen storage module; and 5, detecting that the fuel cell module needshigh-power output, starting the low-pressure adsorption hydrogen storage module to supplement hydrogen supply to the fuel cell module, and entering the step 4 when a high-power output requirement ofthe fuel cell module is finished.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a method and system for managing hydrogen fuel cells for vehicles. Background technique [0002] A hydrogen car is a car that uses hydrogen as its energy source, and converts the electrochemical energy generated by the hydrogen reaction into mechanical energy to drive the vehicle. There are two types of hydrogen energy vehicles. One is the hydrogen internal combustion engine vehicle, which uses the internal combustion engine to burn hydrogen (usually obtained by decomposing methane or electrolyzing water) to generate power to propel the vehicle. The other is the hydrogen fuel cell vehicle, which makes hydrogen and oxygen react in the fuel cell to generate electricity to drive the electric motor, and the electric motor propels the vehicle. [0003] my country's energy structure is "more coal and less oil". Coal chemical plants basically produce methanol, which is easy to obtai...

Claims

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Application Information

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IPC IPC(8): H01M8/04302H01M8/04746H01M8/04007
CPCH01M8/04302H01M8/04753H01M8/04007Y02E60/50
Inventor 张纵张书瑞
Owner 张纵
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