Invention Grant
- Patent Title: Artificial graphite particles and method for manufacturing same, nonaqueous electrolyte secondary cell, negative electrode and method for manufacturing same, and lithium secondary cell
- Patent Title (中): 人造石墨粒子及其制造方法，非水电解质二次电池，负极及其制造方法以及锂二次电池
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Application No.: US10470076Application Date: 2002-01-25
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Publication No.: US07829222B2Publication Date: 2010-11-09
- Inventor: Kouichi Takei , Hidetoshi Honbo , Juichi Arai , Manabu Kobayashi
- Applicant: Kouichi Takei , Hidetoshi Honbo , Juichi Arai , Manabu Kobayashi
- Applicant Address: JP Tokyo
- Assignee: Hitachi Chemical Company, Ltd.
- Current Assignee: Hitachi Chemical Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Griffin & Szipl, P.C.
- Priority: JP2001-017141 20010125; JP2001-270099 20010906; JP2001-341754 20011107
- International Application: PCT/JP02/00564 WO 20020125
- International Announcement: WO02/059040 WO 20020801
- Main IPC: H01M4/58
- IPC: H01M4/58 ; H01M4/82 ; C01B31/04
Abstract:
Artificial graphite particles, having a secondary particle structure in which a plurality of primary particles composed of graphite are clustered or bonded together, and having a layer structure in which the edge portion of the primary particles is bent in a polyhedral shape.
Public/Granted literature
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