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Hydrogen-oxygen fuel cell and solid alkaline metal borohydride integrated hydrogen production and power generation system

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, can solve problems such as limited mass hydrogen storage density, and achieve improved hydrogen storage mass density , The effect of simplifying the system structure and operation

Active Publication Date: 2021-05-28
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
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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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  • Hydrogen-oxygen fuel cell and solid alkaline metal borohydride integrated hydrogen production and power generation system
  • Hydrogen-oxygen fuel cell and solid alkaline metal borohydride integrated hydrogen production and power generation system

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Embodiment Construction

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

[0023] like 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 condens...

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Abstract

The invention discloses a hydrogen-oxygen fuel cell and solid alkaline metal borohydride integrated hydrogen production and power generation system. The gas outlet of the hydrogen generator is connected with the heat-absorbing side inlet of the hydrogen preheater. The heat-absorbing side outlet is connected with the anode gas inlet of the fuel cell, the anode gas outlet of the fuel cell is connected with the heat-release side inlet of the hydrogen preheater, and the heat-release side outlet of the hydrogen preheater is connected with the tube-side inlet of the condenser Through communication, the tube side outlet of the condenser is connected with the liquid inlet of the hydrogen generator, and the mass hydrogen storage density of the system can reach more than 21wt%.

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 Patents(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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