Invention Grant
- Patent Title: Positive electrode for rechargeable lithium ion battery, rechargeable lithium ion battery, and battery module
- Patent Title (中): 可充电锂离子电池正极，可充电锂离子电池和电池模块
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Application No.: US13561870Application Date: 2012-07-30
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Publication No.: US08974971B2Publication Date: 2015-03-10
- Inventor: Toyotaka Yuasa , Mitsuru Kobayashi , Sai Ogawa , Masanari Oda , Kan Kitagawa
- Applicant: Toyotaka Yuasa , Mitsuru Kobayashi , Sai Ogawa , Masanari Oda , Kan Kitagawa
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Volpe and Koenig, P.C.
- Priority: JP2011-204040 20110920
- Main IPC: H01M4/64
- IPC: H01M4/64 ; H01M4/40 ; H01M4/505 ; H01M2/24
Abstract:
A positive electrode for a rechargeable lithium ion battery includes a mixture layer including a positive-electrode active material, a conducting agent, and a binder and a collector having the mixture layer formed on the surface thereof. The positive-electrode active material is a composite oxide having an olivine structure expressed by a formula LiaMxPO4 (where M represents a transition metal including at least one of Fe and Mn and a and x satisfy 0
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