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Integrated hydrogen production and power generation system for hydrogen-oxygen fuel cell and solid-state alkaline metal hydroboron

A technology of fuel cells and alkaline metals, which is applied in the field of integrated hydrogen production and power generation systems of hydrogen-oxygen fuel cells and solid alkaline metal borohydrides, which can solve the problems of limited mass hydrogen storage density and improve the mass density of hydrogen storage , The effect of simplifying the system structure and operation

Active Publication Date: 2019-01-29
XI AN JIAOTONG UNIV
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Problems solved by technology

[0002] At present, fuel cell power generation systems generally use compressed hydrogen storage or physical adsorption hydrogen storage. The current technical level of the above hydrogen storage methods achieves a limited mass hydrogen storage density, which is far below 10w%.

Method used

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  • Integrated hydrogen production and power generation system for hydrogen-oxygen fuel cell and solid-state alkaline metal hydroboron
  • Integrated hydrogen production and power generation system for hydrogen-oxygen fuel cell and solid-state alkaline metal hydroboron

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Embodiment Construction

[0022] The present invention is described in further detail below in conjunction with accompanying drawing:

[0023] Such as figure 1 As shown, the hydrogen-oxygen fuel cell and solid alkaline metal borohydride integrated hydrogen production and power generation system of the present invention includes a hydrogen generator 5, a hydrogen preheater 7, a fuel cell 2, a condenser 4, and an induced draft fan 3 , air preheater 1, electric heater 13 and storage battery system; the gas outlet 2E of hydrogen generator 5 is connected with the endothermic side inlet of hydrogen preheater 7, and the endothermic side outlet of hydrogen preheater 7 is connected with fuel cell The anode gas inlet of the fuel cell 2 is connected, the anode gas outlet of the fuel cell 2 is connected with the heat release side inlet of the hydrogen preheater 7, and the heat release side outlet of the hydrogen preheater 7 is connected with the tube side inlet of the condenser 4, The tube side outlet of the cond...

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Abstract

The invention discloses an integrated hydrogen production and power generation system for a hydrogen-oxygen fuel cell and solid-state alkaline metal hydroboron. A gas outlet of a hydrogen generator iscommunicated with a heat absorption side inlet of a hydrogen preheater, a heat absorption side outlet of the hydrogen preheater is communicated with an anode gas inlet of the fuel cell, and a cathodegas outlet of the fuel cell is communicated with a heat discharge side inlet of the hydrogen preheater; a heat discharge side outlet of the hydrogen preheater is communicated with a pipe side inlet of a condenser, and a pipe side outlet of the condenser is communicated with a liquid inlet of the hydrogen generator. According to the system, the mass hydrogen storage density of the system can reach21 wt% or above.

Description

technical field [0001] The invention belongs to the technical field of hydrogen production and fuel cell power generation, and relates to an integrated hydrogen production and power generation system of a hydrogen-oxygen fuel cell and a solid alkaline metal borohydride. Background technique [0002] At present, fuel cell power generation systems generally use compressed hydrogen storage or physical adsorption hydrogen storage. The current technical level of the above hydrogen storage methods achieves a limited mass hydrogen storage density, which is far below 10w%. Alkaline metal borohydride is a safe and environmentally friendly hydrogen-containing compound with high theoretical mass hydrogen storage density. For example, the mass hydrogen storage density of sodium borohydride reaches 10.8w%. It has great application as a chemical hydrogen storage method prospect. [0003] Alkaline metal borohydrides generally release hydrogen through a hydrolysis reaction. For example, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/0606H01M8/22
CPCH01M8/0606H01M8/22Y02E60/50
Inventor 张兄文何丽美张强
Owner XI AN JIAOTONG UNIV
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