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Method for preparing hydrogen serving as hydrogen source of fuel battery

A fuel cell and hydrogen technology, applied in the production of hydrogen, etc., can solve the problems of maintaining high pressure and high cost of inert gas, and achieve the effects of low cost, beneficial performance, and easy hydrogen control design

Inactive Publication Date: 2014-12-03
NINGBO SHENJIANG TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this reaction method requires an auxiliary ignition device, and at the same time, it needs to be filled with inert gas to maintain high pressure, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Will NH 3 BH 3 and LiBH 4 According to the mass ratio of 75%: 25%, mix a total of 1g, put it into a ball mill tank, and ball mill it at a speed of 100rpm for 300min. A chemical dose of liquid water is injected into the chamber, and the system generates hydrogen at a rate of 30mLmin -1 g -1 , NH 3 BH 3 and LiBH 4 The effective hydrogen capacity release rate is 100%.

Embodiment 2

[0033] Will NH 3 BH 3 and LiBH 4 According to the mass ratio of 60%: 40%, mix a total of 1g, put it into a ball mill tank, and ball mill it at a speed of 150rpm for 200min. A chemical dose of liquid water is injected into the chamber, and the system produces hydrogen at a rate of 70mLmin -1 g -1 , NH 3 BH 3 and LiBH 4 The effective hydrogen capacity release rate is 100%.

Embodiment 3

[0035] Will NH 3 BH 3 and LiBH 4 According to the mass ratio of 45%: 55%, mix a total of 1g, put it into a ball mill tank, and ball mill it at a speed of 300rpm for 60min. A chemical dose of liquid water is injected into the chamber, and the system produces hydrogen at a rate of 160mLmin -1 g -1 , NH 3 BH 3 and LiBH 4 The effective hydrogen capacity release rate is 100%.

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PUM

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Abstract

The invention provides a method for preparing hydrogen serving as a hydrogen source of a fuel battery. The method comprises the following steps: mixing borane ammonia complex and highly exothermic hydride, reacting the mixture with liquid water so as to produce hydrogen, wherein the reaction hydrogen desorption speed rate can be regulated through controlling the mixing mode of the borane ammonia complex and highly exothermic hydride and the mixing ratio of the borane ammonia complex and highly exothermic hydride, so that available hydrogen capacity in the borane ammonia complex and highly exothermic hydride can be completely released finally, wherein the highly exothermic hydride is hydride with hydrolyzed heat being greater than 34kJ / kg. The method is high in hydrogen desorption efficiency, stable and controllable in hydrogen desorption process, and applicable to the hydrogen source of minitype fuel batteries.

Description

technical field [0001] The invention relates to the technical field of using the hydrogen source of the micro fuel cell, in particular to a method for preparing hydrogen used as the hydrogen source of the fuel cell. Background technique [0002] In recent years, the state has put forward a strategic development plan for the active development and utilization of new energy, and increased financial and policy support for the new energy field, aiming to reduce greenhouse gas emissions, solve environmental problems, and at the same time deal with the energy crisis, realize economic and ecological development. Overall planning and coordinated development. One of the core technologies in the field of new energy: fuel cell technology has thus been developed rapidly. Fuel cells can be used not only as large-scale power sources, but also as small portable power sources, such as laptop computers, mobile communications and so on. However, the storage and transportation of hydrogen, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/06
CPCY02E60/362Y02E60/36
Inventor 翁百成蒲朝辉李志林蒋乾勇朱云浩吴铸毛磊余海生
Owner NINGBO SHENJIANG TECH
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