IP


Envia's expansive patent portfolio covers every component of high energy cell technology

 

Intellectual Property

Subject Area Number of Patents
Cathode 17
Anode 9
Cell 14
Electrolyte 3

Envia's industry leading battery technology is built on years of materials innovation at every component of the cell. Truly shifting what to expect from lithium batteries requires new materials to work in concert, as one system. Envia's patent portfolio is representative of this effort, as it spans cathode, anode, electrolyte and cell IP. The table to the right summarizes our granted patent and patent applications by category and the table below provides more information on Envia's granted patents.


Number Patent Title
9,190,694 High capacity anode materials for lithium ion batteries
9,166,222 Lithium ion batteries with supplemental lithium
9,159,990 High capacity lithium ion battery formation protocol and corresponding batteries
9,139,441 Porous silicon based anode material formed using metal reduction
9,083,062 Battery packs for vehicles and high capacity pouch secondary batteries for incorporation into compact battery packs
9,070,489 Mixed phase lithium metal oxide compositions with desirable battery performance
9,012,073 Composite compositions, negative electrodes with composite compositions and corresponding batteries
8,993,177 Lithium ion battery with high voltage electrolytes and additives
8,928,286 Very long cycling of lithium ion batteries with lithium rich cathode materials
8,916,294 Fluorine doped lithium rich metal oxide positive electrode battery materials with high specific capacity and corresponding batteries
8,765,306 High voltage battery formation protocols and control of charging and discharging for desirable long term cycling performance
8,741,485 Layer-layer lithium rich complex metal oxides with high specific capacity and excellent cycling
8,741,484 Doped positive electrode active materials and lithium ion secondary battery constructed therefrom
8,697,288 High energy lithium ion secondary batteries
8,673,490 High energy lithium ion batteries with particular negative electrode compositions
8,663,849 Metal halide coatings on lithium ion battery positive electrode materials and corresponding batteries
8,535,832 Metal oxide coated positive electrode materials for lithium-based batteries
8,475,959 Lithium doped cathode material
8,465,873 Positive electrode materials for high discharge capacity lithium ion batteries
8,394,534 Layer-layer lithium rich complex metal oxides with high specific capacity and excellent cycling
8,389,160 Positive electrode materials for lithium ion batteries having a high specific discharge capacity and processes for the synthesis of these materials
8,277,974 High energy lithium ion batteries with particular negative electrode compositions
8,187,752 High energy lithium ion secondary batteries