Invention Grant
- Patent Title: Insertion compound able to be used as cathodic active material of a lithium rechargeable electrochemical cell
- Patent Title (中): 可用作锂可再充电电化学电池的阴极活性材料的插入化合物
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Application No.: US11753035Application Date: 2007-05-24
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Publication No.: US07799459B2Publication Date: 2010-09-21
- Inventor: Jean-Paul Peres , Stephane Gillot , Frederic Chouquais , Claudette Audry , Andre Lecerf
- Applicant: Jean-Paul Peres , Stephane Gillot , Frederic Chouquais , Claudette Audry , Andre Lecerf
- Applicant Address: FR Bagnolet
- Assignee: Saft Groupe SA
- Current Assignee: Saft Groupe SA
- Current Assignee Address: FR Bagnolet
- Agency: Sughrue Mion, PLLC
- Priority: FR0604670 20060524
- Main IPC: H01M4/50
- IPC: H01M4/50 ; H01M4/58 ; H01M4/52 ; C01G45/12 ; C01G51/04 ; C01G23/04 ; C01G39/02
Abstract:
A compound for use as active material of a positive electrode of a lithium-ion cell. This compound has an average discharge voltage above 4.5V in relation to the Li+/Li couple of approximately 4.7V. The compound includes: a) a spinel-type crystalline phase of formula LiaNiII0.5−xMnIII2xMnIV1.5−x−yMyO4 in which elements Ti and Al, or a mixture of these; 0.8
Public/Granted literature
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