C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/00 (2006.01) C01B 31/00 (2006.01) H01M 4/36 (2006.01) H01M 4/58 (2006.01) H01M 10/36 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2144037
Carbonaceous insertion compounds and methods for preparation are described wherein the compounds comprise silicon and oxygen and are characterized by x-ray dif- fraction patterns that resemble that of amorphous silicon dioxide. The compounds can exhibit a large reversible capacity for lithium and can be prepared by simple pyrolysis of suitable polymer/s containing silicon , oxygen and carbon at an appropriate temperature. These insertion compounds may be suitable for use as high capacity anodes in lithium ion batteries.
Dahn Jeffrey Raymond
Xue Jiayu Simon
E-One Moli Energy (canada) Limited
Moli Energy (1990) Limited
Oyen Wiggs Green & Mutala Llp
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