- Patent Title: Method for producing amorphous carbon particle, amorphous carbon particles, negative electrode material for lithium ion secondary batteries, and lithium ion secondary battery
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Application No.: US14407727Application Date: 2013-06-12
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Publication No.: US10170752B2Publication Date: 2019-01-01
- Inventor: Makiko Ijiri , Ryuta Haga , Tetsuo Shiode , Katsuhiro Nagayama
- Applicant: JFE CHEMICAL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: JFE CHEMICAL CORPORATION
- Current Assignee: JFE CHEMICAL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP2012-133479 20120613; JP2013-087984 20130419
- International Application: PCT/JP2013/003689 WO 20130612
- International Announcement: WO2013/187061 WO 20131219
- Main IPC: H01B1/04
- IPC: H01B1/04 ; C01B32/00 ; C01B32/05 ; H01M4/36 ; H01M4/133 ; H01M4/587 ; H01M10/0525 ; H01M4/02

Abstract:
A method for producing an amorphous carbon particle includes the steps of: obtaining a first crosslinked product by admixing mesophase particles with an amorphous carbon precursor and thereafter subjecting the mixture to a crosslinking treatment, or obtaining a second crosslinked product by crosslinking the amorphous carbon precursor and thereafter admixing the mesophase particles with the crosslinked precursor; and subjecting the first or second crosslinked product to an infusibilization treatment and thereafter firing the product to produce amorphous carbon particles including the mesophase particles within the particles.
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