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US Patent 9437871 Sulfur based active material for a positive electrode

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Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Weidong Zhou0

Xingcheng Xiao0

Mei Cai0

Date of Patent

September 6, 2016

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Patent Application Number

141735120

Date Filed

February 5, 2014

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Patent Citations Received

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US Patent 12021221 Electrode architecture for fast charging

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Patent Primary Examiner

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Patent abstract

A sulfur based active material has a core-shell structure including a hollow core and a porous carbon shell surrounding the hollow core. Sulfur is present in a portion of the hollow core. A polymer shell coating is formed on the porous carbon shell. The polymer shell coating includes nitrogen atoms that bond to carbon atoms of the porous carbon shell so that the porous carbon shell is a nitrogen-confused porous carbon shell.

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