Hydrogen release and storage system, hydrogen release and storage method, ammonia production apparatus, gas turbine, fuel cell, and steel mill

Patent metadata

Field	Value
Publication number	US-2023141693-A1
Application number	US-202117917867-A
Country	US
Kind code	A1
Filing date	Mar 22, 2021
Priority date	Apr 13, 2020
Publication date	May 11, 2023
Grant date	—

Abstract

A hydrogen release and storage system (100) of the present invention includes a hydrogen compound member (101), a container (102) that accommodates the hydrogen compound member (101), a heating apparatus (103) configured to heat the inside of the container (102), a cooling apparatus (104) configured to cool the inside of the container (102) and a water supply apparatus (105) configured to supply water to the container (102).

First claim

1 . A hydrogen release and storage system comprising:
a hydrogen compound member; a container that accommodates the hydrogen compound member; a heating apparatus configured to heat an inside of the container; a cooling apparatus configured to cool the inside of the container; and a water supply apparatus configured to supply water to the inside of the container.

2 . The hydrogen release and storage system according to claim 1 ,
wherein a stoichiometric ratio between an element other than a hydrogen element that configures the hydrogen compound member and the hydrogen element is 1:1 to 3:4.

3 . The hydrogen release and storage system according to claim 2 ,
wherein an element other than the hydrogen element is boron.

4 . The hydrogen release and storage system according to Claim 1 , further comprising:
a switching apparatus that switches between a first state and a second state, the first state is a state where the heating apparatus is driven and the cooling apparatus and the water supply apparatus are stopped and a second state is a state where the heating apparatus is stopped and the cooling apparatus and the water supply apparatus are driven.

5 . A hydrogen release and storage method in which the hydrogen release and storage system according to Claim 1 is used as a hydrogen supply source, the method alternately comprising:
a hydrogen release step of heating the inside of the container so as to reach 150° C. or higher and releasing hydrogen from the hydrogen compound member, and
a hydrogen absorption step of supplying water to the inside of the container while cooling the inside of the container so as to reach lower than 150° C. and absorbing the hydrogen into the hydrogen compound member.

6 . An ammonia production apparatus comprising:
the hydrogen release and storage system according to Claim 1 as a hydrogen supply source.

7 . A gas turbine comprising:
the hydrogen release and storage system according to Claim 1 as a hydrogen supply source.

8 . A fuel cell comprising:
the hydrogen release and storage system according to Claim 1 as a hydrogen supply source.

9 . A steel mill comprising:
the hydrogen release and storage system according to Claim 1 as a hydrogen supply source.

10 . The hydrogen release and storage method according to claim 5 ,
wherein the inside of the container is cooled so as to reach 80° C. or higher and lower than 150° C. in the hydrogen absorption step.

Assignees

• Mitsubishi Heavy Ind Ltd

Inventors

• Ito Hideki
• Seto Shuntaro
• Matsubara Wataru
• Nakagawa Keiichi
• Sato Akio
• Yoshimoto Takashi

Classifications

• C01B3/103 Primary

  the hydrogen being generated from the water as a result of cycles of reactions, e.g. sulfur-iodine cycle · CPC title

• C01B3/042

  Decomposition of water (by electrolysis of water C25B1/04) · CPC title

• C01B3/0026

  Metals or metal hydrides · CPC title

• C01C1/04

  Preparation of ammonia by synthesis (preparation or purification of gas mixtures for ammonia synthesis C01B3/025) · CPC title

• Y02E60/32

  Hydrogen storage · CPC title