초록

Compositions in the NbF5(TaF5)-P2O5 system which are liquid at room temperature and exhibit relatively high ionic conductivities, useful for example, as electrolytes in batteries or other electrochemical cells, are described.

대표청구항 ▼

A composition consisting essentially, in weight percent, of about 65-95% of a pentavalent metal fluoride selected from the group consisting of NbF5 and TaF5, 5-25% P2O5, at least 85% total of NbF5+TaF5+P2O5 and, as optional constituents, up to about 15% total of one or more halogens selected from th

A composition consisting essentially, in weight percent, of about 65-95% of a pentavalent metal fluoride selected from the group consisting of NbF5 and TaF5, 5-25% P2O5, at least 85% total of NbF5+TaF5+P2O5 and, as optional constituents, up to about 15% total of one or more halogens selected from the group consisting of Cl, Br and I, up to about 2% total of the group consisting of Li and B, and up to about 3% S.