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US Patent 11749799 Coatings for cathode active materials

Patent 11749799 was granted and assigned to Apple (company) on September, 2023 by the United States Patent and Trademark Office.

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Is a

Patent attributes

Patent Applicant

Apple (company)

Current Assignee

Apple (company)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Patent Inventor Names

Yan Li

James Gilbert

Hakim H. Iddir

John David Carter

Huiming Wu

Yanjie Cui

Dapeng Wang

Christopher S. Johnson

...

Date of Patent

September 5, 2023

Patent Application Number

16531883

Date Filed

August 5, 2019

Patent Citations

US Patent 7314684 Layer cathode methods of manufacturing and materials for Li-ion rechargeable batteries

US Patent 7435402 Method and apparatus for preparation of spherical metal carbonates and lithium metal oxides for lithium rechargeable batteries

US Patent 7468223 Lithium metal oxide electrodes for lithium cells and batteries

US Patent 7655361 Electrolyte for high voltage lithium rechargeable battery and high voltage lithium rechargeable battery employing the same

US Patent 7691535 Active substance of positive electrode and non-aqueous electrolyte battery containing the same

US Patent 7135252 Lithium metal oxide electrodes for lithium cells and batteries

US Patent 7205072 Layered cathode materials for lithium ion rechargeable batteries

US Patent 7235193 Complex lithium metal oxides with enhanced cycle life and safety and a process for preparation thereof

...

Patent Primary Examiner

Matthew J Merkling

CPC Code

A cathode active material includes a plurality of cathode active compound particles and a coating disposed over each of the cathode active compound particles. The coating includes a lithium (Li)-ion conducting oxide containing lanthanum (La) and titanium (Ti).

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