Thermoelectric coupling energy-saving and energy-storing system and method based on hydrogen fuel cell

A technology of fuel cell stacks and fuel cells, which is applied in the direction of fuel cell heat exchange, fuel cells, and fuel cell applications, and can solve problems such as low efficiency and limited efficiency

Active Publication Date: 2021-05-18
SHANDONG UNIV
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  • Application Information

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Problems solved by technology

The Carnot cycle efficiency limits the efficiency of heat engines such as organic Rankine cycles, thermoelectric generators, and thermally regenerativ

Method used

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  • Thermoelectric coupling energy-saving and energy-storing system and method based on hydrogen fuel cell
  • Thermoelectric coupling energy-saving and energy-storing system and method based on hydrogen fuel cell
  • Thermoelectric coupling energy-saving and energy-storing system and method based on hydrogen fuel cell

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Embodiment 1

[0075] Such as figure 1 As shown, the thermoelectric coupling energy saving and energy storage system based on hydrogen fuel cells includes a fuel cell air intake module, a fuel cell thermal management module, a heat collection and storage module, and a power generation module.

[0076] Fuel cell hydrogen intake module; the outlet of the high-pressure hydrogen tank 12 is connected to the first decompression valve 13, and the other end of the first decompression valve 13 is connected to the first humidifier 14 after depressurizing the hydrogen, and the other end of the first humidifier 14 is connected to the first humidifier 14. The first flowmeter 15 is connected, the other end of the first flowmeter 15 is connected with the third solenoid valve 16, the other end of the third solenoid valve 16 is connected with a pipeline, the pipeline is connected with the hydrogen inlet of the stack 24, and the first flowmeter is installed at the hydrogen pipeline. The pressure sensor 17; th...

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Abstract

The invention relates to a thermoelectric coupling energy-saving and energy-storing system and method based on a hydrogen fuel cell. The system comprises a fuel cell air inlet module, a fuel cell heat management module, a heat collection and storage device module and a power generation module, the fuel cell air inlet module is connected with a fuel cell electric pile, the fuel cell heat management module comprises a user load, and the heat collection and storage device module comprises a heat storage tank and a heat collector. The power generation module comprises a photovoltaic power generation system and a fuel cell power generation system, and the fuel cell power generation system comprises a fuel cell stack; the power generation module is respectively connected with a user load, the fuel cell air inlet module and the heat collection and storage device module; the heat storage tank is connected with the heat collector; the heat storage tank is respectively connected with a user load and a fuel cell gas inlet module; and the user load is connected with the electric pile. According to the invention, the waste heat of the hydrogen fuel cell system is efficiently recycled, the problem of low-temperature cold start of the hydrogen fuel cell is simplified and optimized, uninterrupted supply of regional heat and electricity is realized, and the greenhouse effect is relieved to a certain extent.

Description

technical field [0001] The invention belongs to the technical field of low-temperature cold start, waste heat recovery and thermal management of a hydrogen fuel cell system, and specifically relates to a hydrogen fuel cell-based thermoelectric coupling energy-saving and energy storage system and method. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] 1. The intermittent nature of photovoltaic power generation; [0004] Photovoltaic power generation is a power generation device that converts solar radiation energy into electrical energy by using the photovoltaic effect, mainly including solar panels, voltage conversion devices and controllers, etc. Solar power generation i...

Claims

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Application Information

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IPC IPC(8): H01M8/04007H01M8/04029H01M8/04223H01M8/04225H01M8/0656H02S10/10
CPCH01M8/04029H01M8/04052H01M8/04225H01M8/04268H01M8/0656H02S10/10H01M2250/402Y02E10/50Y02E60/50
Inventor 高明王宇航韩奎华何锁盈
Owner SHANDONG UNIV
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