SILICA MATERIAL, ION EXCHANGE RESIN COMPOSITION, ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE JOINED BODY, PROTON-EXCHANGE MEMBRANE FUEL CELL, PROTON-EXCHANGE MEMBRANE ELECTROLYZER, AND ELECTROCHEMICAL HYDROGEN COMPRESSOR

Title:

Document Type and Number:

WIPO Patent Application WO/2023/182240

Kind Code:

A1

Abstract:

A silica material according to the present invention comprises a substrate containing silica dioxide and comprises a sulfonic acid group on at least a surface of the substrate, or is obtained by bringing a sulfonating agent into contact with a substrate containing silica dioxide.

More Like This:

JP2011149016	GRANULAR MATERIAL FOR LIGHTWEIGHT MOLDING RESIN AND LIGHTWEIGHT MOLDING RESIN COMPOSITION
JPS6016378	[Title of the Invention] Glass surface disposal method
JP7128057	Compounding agent for paint

Inventors:

NOMURA AKIHISA (JP)
FORTE GIUSEPPE (NL)
CHOKAI MASAYUKI (JP)

Application Number:

PCT/JP2023/010755

Publication Date:

September 28, 2023

Filing Date:

March 17, 2023

Export Citation:

Click for automatic bibliography generation Help

Assignee:

TEIJIN LTD (JP)

International Classes:

C01B33/18; C25B1/04; C25B9/00; C25B9/23; C25B13/04; C25B13/05; H01B1/06; H01B1/10; H01M8/10; H01M8/1048

Domestic Patent References:

WO2006014004A1	2006-02-09
WO2020175677A1	2020-09-03

Foreign References:

JP2008065987A	2008-03-21
KR20200134998A	2020-12-02
JP2001155744A	2001-06-08
JP2013526585A	2013-06-24
JP2020019913A	2020-02-06

Other References:

SU, YUHUEI ET AL.: "Increases in the proton conductivity and selectivity of proton exchange membranes for direct methanol fuel cells by fo rmation of nanocomposites having proton conducting channels", JOURNAL OF POWER SOURCES, vol. 194, 2009, pages 206 - 213, XP026446336
LIN, YUFENG ET AL.: "High proton-conducting Nafion/-SO3H functionalized mesoporous silica composite membranes", J OURNAL OF POWER SOURCES, vol. 171, 2007, pages 388 - 395, XP022238037, DOI: 10.1016/j.jpowsour.2007.06.049

Attorney, Agent or Firm:

TAIYO, NAKAJIMA & KATO (JP)

Download PDF:

View/Download PDF PDF Help

Previous Patent: POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDA...

Next Patent: COMPOSITION FOR DENTAL MATERIAL AND DENTAL MATERIAL