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Distributed hydrogen production energy storage power generation system and working method thereof

A power generation system, distributed technology, applied in the direction of circuits, fuel cells, electrical components, etc., can solve the problems of fuel cell system complexity and auxiliary power consumption increase, to shorten the start-up time, reduce production costs, and ensure normal start-up Effect

Pending Publication Date: 2022-06-28
上海卓微氢科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, when the fuel cell is started at low temperature, in order to ensure fast start, it is usually necessary to equip the fuel cell with an electric heating system to heat the reaction gas or coolant, but this will undoubtedly lead to an increase in the complexity of the fuel cell system and auxiliary power consumption

Method used

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  • Distributed hydrogen production energy storage power generation system and working method thereof
  • Distributed hydrogen production energy storage power generation system and working method thereof
  • Distributed hydrogen production energy storage power generation system and working method thereof

Examples

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Embodiment 1

[0034] see figure 1 The distributed hydrogen production and energy storage power generation system provided in this embodiment includes a water electrolysis hydrogen production unit 1, a hydrogen purification and humidification unit 2, a fuel cell power generation unit 3, and a solid-state hydrogen storage unit 4. The water electrolysis hydrogen production unit 1 passes through a pipe The road is connected to the hydrogen purification and humidification unit 2, the hydrogen purification and humidification unit 2 is connected to the fuel cell power generation unit 3 and the solid-state hydrogen storage unit 4 through the pipeline, and the fuel cell power generation unit 3 is connected to the water electrolysis hydrogen production unit 1 through the pipeline.

[0035] The water electrolysis hydrogen production unit 1 has a power supply system and a water electrolysis hydrogen production device, and the power supply system is one or a combination of a renewable energy power genera...

Embodiment 2

[0055] refer to Figure 4 The difference between the distributed hydrogen production and energy storage power generation system provided in this embodiment and the first embodiment is only that the structure of the solid-state hydrogen storage unit 4 is changed. In this embodiment, a hydrogen storage device 403 and a tee are added to the solid-state hydrogen storage unit 4 Valve 406, and the fourth solenoid valve 402 is also added by one, and the fifth solenoid valve 404 is removed. Adding the hydrogen storage device 403 can increase the hydrogen storage.

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Abstract

The invention particularly relates to a distributed hydrogen production energy storage power generation system and a working method thereof.The system comprises a water electrolysis hydrogen production unit, a hydrogen purification and humidification unit, a fuel cell power generation unit and a solid hydrogen storage unit, and the water electrolysis hydrogen production unit is connected with the hydrogen purification and humidification unit through a pipeline; the hydrogen purification and humidification unit is respectively connected with the fuel cell power generation unit and the solid hydrogen storage unit through pipelines, and the fuel cell power generation unit is connected with the water electrolysis hydrogen production unit through a pipeline. The working method comprises a hydrogen production-hydrogen storage mode, a drying tower regeneration mode and a hydrogen storage-power generation mode. The drying tower of the hydrogen purification and humidification unit is coupled with the fuel cell power generation unit, efficient utilization of water and energy is achieved, and the system is high in safety and stability.

Description

technical field [0001] The invention relates to the technical field of new energy, in particular to a distributed hydrogen production, energy storage and power generation system and a working method thereof. Background technique [0002] As a secondary energy that can be stored, hydrogen and fuel cells fueled by hydrogen are gradually being widely used in distributed energy storage and power generation systems. Hydrogen production by water electrolysis can be used as a hydrogen source for distributed hydrogen energy systems due to its flexible hydrogen production and small equipment size. Especially when coupled with renewable energy, the entire system can truly achieve low carbon or even zero carbon. [0003] After the hydrogen produced by water electrolysis is separated from gas and liquid, it usually needs to go through a purification and drying system to remove trace oxygen and water in the hydrogen, and then store it in a hydrogen storage system. The hydrogen drying me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/0656H01M8/04119H01M8/04007H01M8/04291H01M8/04746H01M8/04828
CPCH01M8/0656H01M8/04141H01M8/04037H01M8/04291H01M8/04753H01M8/04835
Inventor 朱维谢佳平杨事成李建伟赵舸
Owner 上海卓微氢科技有限公司
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