Title:
HYDROGEN STORAGE METHOD, HYDROGEN GAS PRODUCTION METHOD, AND HYDROGEN GAS PRODUCTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/117447
Kind Code:
A1
Abstract:
The present invention relates to a hydrogen gas production method comprising: a first step of concentrating an aqueous solution containing a formic acid alkali metal salt; a second step of protonating at least a portion of the formic acid alkali metal salt by electrodialysis to generate formic acid; and a third step of decomposing the formic acid to produce a hydrogen gas.
Inventors:
MATSUDA HIROKAZU (JP)
HIRANO MAKOTO (JP)
HIRANO MAKOTO (JP)
Application Number:
PCT/JP2020/043088
Publication Date:
June 17, 2021
Filing Date:
November 18, 2020
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C01B3/00; B01D61/02; B01D61/44; C01B3/22
Domestic Patent References:
| WO2015076156A1 | 2015-05-28 | |||
| WO2015053317A1 | 2015-04-16 | |||
| WO2013111860A1 | 2013-08-01 |
Foreign References:
| JP2017500272A | 2017-01-05 | |||
| JP2002068702A | 2002-03-08 | |||
| JPS5812290B2 | 1983-03-07 | |||
| JP5896539B2 | 2016-03-30 | |||
| JP2018114495A | 2018-07-26 | |||
| JP2019222351A | 2019-12-09 |
Other References:
CHEM.REV., vol. 117, 2017, pages 9804 - 9838
CHEM.REV., vol. 118, 2018, pages 372 - 433
See also references of EP 4074651A4
CHEM.REV., vol. 118, 2018, pages 372 - 433
See also references of EP 4074651A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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