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用负极及其制造方法以及锂二次电池
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Application No.: US12938673Application Date: 2010-11-03
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Publication No.: US08211571B2Publication Date: 2012-07-03
- 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: JPP2001-017141 20010125; JPP2001-270099 20010906; JPP2001-341754 20011107
- Main IPC: H01M4/13
- IPC: H01M4/13 ; H01M4/82 ; B02C25/00
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.
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