Title:
LITHIUM ION BATTERY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2013/088824
Kind Code:
A1
Abstract:
Provided are: a lithium ion battery which has achieved improved reliability by suppressing internal short circuit caused by metal foreign substances and which is excellent in terms of cost; and a production technique for the lithium ion battery. In embodiment (1) of the present invention, a separator (SP1) and a separator (SP2) are configured to respectively adhere to the surfaces of a positive electrode (PEL) so that a gap is not formed between the positive electrode (PEL) and the separator (SP1) or between the positive electrode (PEL) and the separator (SP2). Namely, the positive electrode (PEL), the separator (SP1) and the separator (SP2) are formed integrally. In this connection, each separator (SP1, SP2) is configured from, for example, a material that contains a ceramic and an organic material, which are insulating substances, and a binder (a binding agent).
More Like This:
Inventors:
KAGA YUSUKE (JP)
NISHIKI MASASHI (JP)
TAKAHARA YOICHI (JP)
NISHIKI MASASHI (JP)
TAKAHARA YOICHI (JP)
Application Number:
PCT/JP2012/076203
Publication Date:
June 20, 2013
Filing Date:
October 10, 2012
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H01M4/139; H01M2/16; H01M4/13; H01M10/052; H01M10/058
Domestic Patent References:
| WO2008114727A1 | 2008-09-25 |
Foreign References:
| JP2008305783A | 2008-12-18 | |||
| JP2007311151A | 2007-11-29 | |||
| JP2000323129A | 2000-11-24 |
Attorney, Agent or Firm:
TSUTSUI, YAMATO (JP)
Tsutsui Daiwa (JP)
Tsutsui Daiwa (JP)
Download PDF:
Claims: