USPTO Grants Patent for Silicon Anode Battery Binder Technology
Summary
The USPTO has granted a patent (US12586784B2) to Enevate Corporation for silicon anode battery technology. The patent covers the use of water-soluble polymers and copolymers containing maleic anhydride and/or maleic acid as binders in silicon-dominant anodes.
What changed
The United States Patent and Trademark Office (USPTO) has issued patent US12586784B2 to Enevate Corporation, detailing a novel approach to silicon anode binders for batteries. The patented technology utilizes water-soluble polymers, including those derived from maleic anhydride and maleic acid, as binders in Si-dominant anodes, potentially improving battery performance and longevity. The patent was granted on March 24, 2026, with a filing date of May 6, 2024.
This patent grant represents a new development in battery materials science. While it does not impose direct compliance obligations on other entities, it signifies a technological advancement that manufacturers in the battery and energy storage sectors may consider for their own research and development efforts. Companies operating in this space should be aware of this patented technology as it could influence future product development and intellectual property strategies.
Source document (simplified)
Silicon anodes with water-soluble maleic anhydride-, and/or maleic acid-containing polymers/copolymers, derivatives, and/or combinations (with or without additives) as binders
Grant US12586784B2 Kind: B2 Mar 24, 2026
Assignee
Enevate Corporation
Inventors
Liwen Ji, Younes Ansari, Sanjaya D. Perera, Benjamin Park
Abstract
Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, wherein the anode is a Si-dominant anode that utilizes water-soluble maleic anhydride- and/or maleic acid-containing polymers/co-polymers, derivatives, and/or combinations (with or without additives) as binders.
CPC Classifications
H01M 4/386 H01M 4/0404 H01M 4/622 H01M 10/0525
Filing Date
2024-05-06
Application No.
18655905
Claims
13
Named provisions
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