ION CONDUCTOR - NISSAN MOTOR

Title:

ION CONDUCTOR

Document Type and Number:

WIPO Patent Application WO/2007/135944

Kind Code:

A1

Abstract:

Disclosed is an ion conductor which is composed of an inorganic porous film wherein an ionic liquid is held in fine pores. Conventional ion conductors involve such a problem that the ion conductivity is not improved when compared with that of an ionic liquid by itself. The problem is solved by an ion conductor (10) comprising an inorganic porous film (1) having a plurality of fine pores (1a) whose surfaces are bonded with a plurality of proton-donating functional groups (1b), and an ionic liquid (2) held in the fine pores of the inorganic porous film. This ion conductor is improved in the ion conductivity when compared with the ionic liquid by itself, while having high heat resistance. In addition, this ion conductor can be produced at low cost, and is able to suppress swelling upon water absorption.

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Inventors:

OGAWA HIROSHI
TAKEKAWA TOSHIHIRO
KANAMURA KIYOSHI

Application Number:

PCT/JP2007/060118

Publication Date:

November 29, 2007

Filing Date:

May 17, 2007

Export Citation:

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Assignee:

NISSAN MOTOR (JP)
UNIV TOKYO METROPOLITAN (JP)
OGAWA HIROSHI
TAKEKAWA TOSHIHIRO
KANAMURA KIYOSHI

International Classes:

H01M8/02; H01B1/06; H01B13/00; H01M8/10

Domestic Patent References:

WO2003102971A1

2003-12-11

Foreign References:

US20040038105A1	2004-02-26
US20060083962A1	2006-04-20
US20050106440A1	2005-05-19
JP2005332801A	2005-12-02
JP2007115647A	2007-05-10
JP2004515351A	2004-05-27
EP9805939W	1998-09-18
JP2006141503A	2006-05-22
JP2007108143A	2007-04-26

Other References: