Title:
NEGATIVE ELECTRODE ACTIVE MATERIAL, ELECTRICAL STORAGE DEVICE, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2013/080515
Kind Code:
A1
Abstract:
A negative electrode active material disclosed in the present application contains lithium titanate having a spinel structure and fulfills the relationship represented by the following formula: B×P < 50 wherein B represents the specific surface area (unit: m2/g) of the lithium titanate as measured by a BET method and P represents the pH value of bidistilled water as measured under such conditions that 1 g of the lithium titanate is immersed in 50 cm3 of the bidistilled water and the bidistilled water is agitated for 30 minutes.
Inventors:
TAKEUCHI TAKASHI
HASEGAWA MASAKI
GOTO NATSUMI
HASEGAWA MASAKI
GOTO NATSUMI
Application Number:
PCT/JP2012/007579
Publication Date:
June 06, 2013
Filing Date:
November 27, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
H01M4/485; C01G23/00
Domestic Patent References:
| WO2003008334A1 | 2003-01-30 | |||
| WO2012153561A1 | 2012-11-15 |
Foreign References:
| JP2007018883A | 2007-01-25 | |||
| JP2011520752A | 2011-07-21 | |||
| JP2011181367A | 2011-09-15 |
Attorney, Agent or Firm:
OKUDA, SEIJI (JP)
Seiji Okuda (JP)
Seiji Okuda (JP)
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Claims: