Prussian Blue Analogue Electrodes without Zeolitic Water Content

摘要

A battery is provided with a hexacyanometallate cathode. The battery cathode is made from hexacyanometallate particles overlying a current collector. The hexacyanometallate particles have the chemical formula AXM1MM2N(CN)Z.d[H2O]ZEO.e[H2O]BND. where A is a metal from Groups 1A, 2A, or 3A of the Periodic Table, where M1 and M2 are each a metal with 2+ or 3+ valance positions, where “ZEO” and “BND” indicate zeolitic and bound water, respectively, where d is 0, and e is greater than 0 and less than 8. The anode material may primarily be a material such as hard carbon, soft carbon, oxides, sulfides, nitrides, silicon, metals, or combinations thereof. The electrolyte is non-aqueous. A method is also provided for fabricating hexacyanometallate with no zeolitic water content in response to dehydration annealing at a temperature of greater than 120 degrees C. and less than 200 degrees C.

主权项

1. A battery with a hexacyanometallate cathode, the battery comprising:
a cathode with primarily comprising hexacyanometallate particles overlying a current collector, the hexacyanometallate particles having a chemical formula AXM1MM2N(CN)Z.d[H2O]ZEO.e[H2O]BND,
where A is a metal from Groups 1A, 2A, or 3A of the Periodic Table;where M1 is a metal selected from a group consisting of 2+ and 3+ valance positions;where M2 is a metal selected from a group consisting of 2+ and 3+ valance positions;where [H2O]ZEO represents zeolitic water molecules;where [H2O]BND represents bound water molecules;where x is in a range of 0.5 to 2;where M is in a range of 0.5 to 1.5;where N is in a range of 0.5 to 1.5;where Z is in a range of 5 to 6;where d is 0;where e is in a range of greater than 0 and less than 8; a non-aqueous electrolyte; and, an anode.