US 11,780,860 B2Granted

Substituted cyanophosphine additives for lithium conducting carbon phosphonitrides

AssigneeThe Government of the United States of America, as represented by the Secretary of the Navy

InventorsBrian L. Chaloux, Andrew P. Purdy, Albert Epshteyn

Life of this patent

Estimating the term…

Cyanophosphines other than P(CN)3 react with lithium dicyanamide to produce lithiated carbon phosphonitrides with mobile Li+ ions.

Dependent claims

A method of preparing lithiated carbon phosphonitride material, the method comprising reacting LiN(CN)2 with (diphenylamino)dicyanophosphine.

Dependencies are inferred from the claim text.

C01B 21/06
Nitrogen; Compounds thereof: binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of…
C07F 9/5036
Organo-phosphines: phosphines containing the structure -C-P or NC-P
C07F 9/46
With one or more P—C bonds: phosphinous acids [R2POH], [R2PH]: Thiophosphinous acids including[R2PSH]; [R2PH]; Aminophosphines [R2PNH2];…
H01M 10/0525
Li-accumulators: rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries

From the US filing history. Foreign family members aren’t listed.

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