METHOD FOR PRODUCING SODIUM BOROHYDRIDE

Title:

METHOD FOR PRODUCING SODIUM BOROHYDRIDE

Document Type and Number:

WIPO Patent Application WO/2021/025069

Kind Code:

A1

Abstract:

Provided is a method for producing sodium borohydride, in which a sodium borate and aluminum powder are reacted at 400°C to 560°C while being stirred in a sealed container filled with hydrogen gas, such that the molar ratio of sodium contained in the sodium borate to boron contained in the sodium borate exceeds 0.5.

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Inventors:

SUGITA KAORU (JP)
OOTA YUJI (JP)
ABE RENE YO (JP)
HACHISU TAKUMA (JP)
MATSUNAGA TAKEHIRO (JP)

Application Number:

PCT/JP2020/030035

Publication Date:

February 11, 2021

Filing Date:

August 05, 2020

Export Citation:

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Assignee:

NIPPON LIGHT METAL CO (JP)
AIST (JP)

International Classes:

C01B6/21; C01B3/00

Domestic Patent References:

WO2015190004A1	2015-12-17
WO2015190403A1	2015-12-17

Foreign References:

JP2014181174A	2014-09-29
JP2006143537A	2006-06-08
CN108545699A	2018-09-18
US3471268A	1969-10-07

Other References:

BIN HONG LIU ET AL.: "Sodium Borohydride Synthesis by Reaction of Na20 contained Sodium Borate with Al and Hydrogen", ENERGY & FUELS, vol. 21, no. 3, 2007, pages 1707 - 1711, XP055242142, DOI: 10.1021/ef0605448
THE JOURNAL OF PHYSICAL CHEMISTRY C, vol. 114, no. 15, March 2010 (2010-03-01), pages 7173 - 7177
See also references of EP 4011826A4

Attorney, Agent or Firm:

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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