Long life lithium batteries with stabilized electrodes
CA 2591529 C · Owner: Uchicago Argonne, Llc · Inventors: Liu, Jun; Lu, Wenquan; Amine, Khalil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to non-aqueous electrolytes having electrode stabilizing additives, stabilized electrodes and electrochemical devices , containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a , polar aprotic solvent, and an electrode stabilizing additive. In some embodiments the , additives include a substituted or unsubstituted cyclic or spirocyclic hydrocarbon , containing at least one oxygen atom and at least one alkenyl or alkynyl group. When used , in electrochemical devices with e.g. lithium manganese oxide spinel , electrodes or olivine or carbon-coated olivine electrodes, the new electrolytes provide batteries …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 8, 2005 and granted March 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 8, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.