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Title:
ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2012/121146
Kind Code:
A1
Abstract:
Electrode active material has an organic compound as a principal constituent thereof that contains a pyracene structure represented by the general formula as a constitutional unit thereof. This pyracene structure contains a plurality of substituents=X that are bonded by double bonds. =O is preferable for the substituents=X. As a result, it is possible to achieve a material that exhibits high energy density and high output, has a long life, and exhibits favorable cycling properties in that there is little capacity decline even after repeated charging/discharging.

Inventors:
SATO MASAHARU (JP)
AONUMA SHUJI (JP)
Application Number:
PCT/JP2012/055391
Publication Date:
September 13, 2012
Filing Date:
March 02, 2012
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Assignee:
MURATA MANUFACTURING CO (JP)
SATO MASAHARU (JP)
AONUMA SHUJI (JP)
International Classes:
H01M4/60; C07C49/617; C07C261/04
Domestic Patent References:
WO2011111401A12011-09-15
Foreign References:
JP2009143855A2009-07-02
JP2009217992A2009-09-24
JPH07235296A1995-09-05
JPH11126610A1999-05-11
Other References:
MASASHIGE ARAKI ET AL.: "Acenaphthoquinone Yudotai no Sanka Kangen Tokusei to Yuki Niji Denshi eno Oyo", CSJ: THE CHEMICAL SOCIETY OF JAPAN KOEN YOKOSHU, vol. 91, no. 3, 11 March 2011 (2011-03-11), pages 830
Attorney, Agent or Firm:
KUNIHIRO YASUTOSHI (JP)
Kunihiro Yasutoshi (JP)
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Claims: