POLYHYDROGEN FLUORIDE BASED BATTERY
First Claim
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1. An electrolyte for an electrochemical battery cell, the electrolyte comprising at least one bifluoride anion.
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Abstract
The described invention relates to primary and secondary electrochemical energy storage systems, particularly to such systems as battery cells, which use materials that take up and release ions as a means of storing and supplying electrical energy, and methods of fabrication thereof.
72 Citations
83 Claims
- 1. An electrolyte for an electrochemical battery cell, the electrolyte comprising at least one bifluoride anion.
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22. A fluoride anion conducting material comprising (i) a positive electrode;
- (ii) a negative electrode; and
(iii) an electrolyte comprising a fluoride anion of the formula (HF)nF−
wherein n is >
0 to 10;
whereby the material conducts F−
anions. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
- (ii) a negative electrode; and
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60. A rechargeable electrochemical battery cell comprising:
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(i) a negative electrode comprising a metal fluoride; (ii) an electrolyte comprising (HF)nF−
where n is from >
0 to 10;(iii) an optional additional electrolyte; and (iv) a positive electrode comprising a compound of a low oxidation state, wherein a predominant diffusing species is a fluoride ion - View Dependent Claims (61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83)
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Specification