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US Patent 9923195 Lithium ion batteries with supplemental lithium

Patent 9923195 was granted and assigned to Zenlabs Energy on March, 2018 by the United States Patent and Trademark Office.

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Patent
Patent
1

Patent attributes

Current Assignee
Zenlabs Energy
Zenlabs Energy
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
99231951
Patent Inventor Names
Bing Li1
Herman A. Lopez1
Shabab Amiruddin1
Subramanian Venkatachalam1
Sujeet Kumar1
Date of Patent
March 20, 2018
1
Patent Application Number
133059811
Date Filed
November 29, 2011
1
Patent Citations Received
‌
US Patent 12095029 Methods of applying printable lithium compositions for forming battery electrodes
2
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US Patent 11764407 All-solid-state secondary battery including anode active material alloyable with lithium and method of charging the same
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US Patent 11824155 All-solid lithium secondary battery and method of charging the same
3
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US Patent 11923535 Fast charging pre-lithiated silicon anode
4
Patent Primary Examiner
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Lucas J. O'Donnell
1
Patent abstract

Supplemental lithium can be used to stabilize lithium ion batteries with lithium rich metal oxides as the positive electrode active material. Dramatic improvements in the specific capacity at long cycling have been obtained. The supplemental lithium can be provided with the negative electrode, or alternatively as a sacrificial material that is subsequently driven into the negative electrode active material. The supplemental lithium can be provided to the negative electrode active material prior to assembly of the battery using electrochemical deposition. The positive electrode active materials can comprise a layered-layered structure comprising manganese as well as nickel and/or cobalt.

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