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Fuel-cell power generation system

A fuel cell and power generation system technology, applied in fuel cell additives, solid electrolyte fuel cells, etc., can solve the problems of fuel cell power generation system unable to operate safely and stably, ambient temperature rise, etc., to save auxiliary heating equipment, reduce The hidden danger of hydrogen leakage and the effect of simple heat exchange process

Active Publication Date: 2012-11-28
湖北长海新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In an underwater confined space, the conventional cooling method will increase the ambient temperature continuously, resulting in the inability of the fuel cell power generation system to operate safely and stably.

Method used

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  • Fuel-cell power generation system

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Effect test

Embodiment 1

[0024] like figure 1 Shown is a basic embodiment of the invention. A fuel cell power generation system, comprising a proton exchange membrane fuel cell module 1, a hydrogen storage device 2, an oxygen storage device 8, a DC / DC conversion unit 7, a monitoring unit 6, a constant temperature hot water tank 4, a cold water tank 5, and a heat exchanger 3. Water pumps, valves, and circulating water pipes 9 for hot water circulation branch A, cold water circulation branch B, and cold and hot water balance branch C; the hot water circulation branch A includes a constant temperature hot water tank 4, circulating Hot water delivery pump 9.1, proton exchange membrane fuel cell module 1, hydrogen storage device 2, heat exchanger 3; said cold water circulation branch B includes cold water tank 5, circulating cold water delivery pump 9.2, DC / DC conversion unit 7, storage Oxygen device 8; the cold and hot water balance branch C includes a constant temperature hot water tank 4, a hot water c...

Embodiment 2

[0028] The difference from Embodiment 1 is that the cold and hot water balance branch C is connected with the balanced hot water delivery pump 4.3 and the hot water control valve sequentially in the direction of water flow from the hot water outlet for balancing of the constant temperature hot water tank 4. 4.2, cold water tank 5, balance cold water delivery pump 5.3, cold water control valve 5.2, and finally connect the constant temperature hot water tank 4.

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Abstract

The invention relates to a fuel-cell power generation system, and in particular relates to a high-power proton exchange membrane fuel-cell power generation system in an underwater isolated air environment. The fuel-cell power generation system comprises a proton exchange membrane fuel cell module, a hydrogen and oxygen storage device, a direct current (DC) / DC conversion unit, a monitoring unit, a heat exchanger, a water tank, a water pump, a valve and a circulating water pipe; a hot water circulating branch comprises a thermostatic hot water tank, a circulating hot water conveying water pump, a proton exchange membrane fuel cell module, a hydrogen storage device and a heat exchanger; a cold water circulating branch comprises a cold water tank, a circulating cold water conveying water pump, a DC / DC conversion unit and an oxygen storage device; a hot and cold water balancing branch comprises a thermostatic hot water tank, a hot water control valve, a balanced hot water conveying water pump, a cold water tank, a cold water control valve and a balanced cold water conveying water pump; one end of the monitoring unit is connected with the thermostatic hot water tank, and the other end of the monitoring unit is connected with the cold water tank. The fuel-cell power generation system has the advantages that the system does not depend on outside air, is safe and reliable, the heat exchange process inside the system is simple and direct, and the heat cycle efficiency is high.

Description

technical field [0001] The invention relates to a fuel cell power generation system, in particular to a high-power proton exchange membrane fuel cell power generation system applied in an underwater isolated air environment. Background technique [0002] A fuel cell is a high-efficiency and low-pollution power generation device that does not undergo a combustion process. The fuel cell is different from the battery in the traditional sense, it directly converts the chemical energy stored in the fuel and oxidant into electrical energy electrochemically. There are many types of fuel cells, which can be divided into alkaline fuel cells, proton exchange membrane fuel cells, phosphoric acid fuel cells and solid oxide fuel cells according to different electrolytes. Among them, compared with other types of fuel cells, proton exchange membrane fuel cells have the advantages of high power density, high energy conversion efficiency, low temperature start-up, and environmental friendli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/10H01M8/04
CPCY02E60/521Y02E60/50
Inventor 范晶彭元亭管道安胡梅袁斌
Owner 湖北长海新能源科技有限公司
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