Cell containing an alkali metal anode, a solid cathode, and a closoborane and/or closocarborane electrolyte
First Claim
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1. An electrochemical cell, comprising:
- (a) an alkali metal-containing anode;
(b) a solid cathode; and
,(c) an electrolyte containing one or more compounds selected from the group consisting of;
(i) closoborane compounds of the formula;
space="preserve" listing-type="equation">Z.sub.2 B.sub.n X.sub.nwherein Z is an alkali metal, B is boron, X is one or more substituents selected from the group consisting of hydrogen and the halogens, and n is an integer from 6 to 12; and
,(ii) closocarborane compounds of the formula;
space="preserve" listing-type="equation">ZCRB.sub.m X.sub.mwherein Z, B and X are as defined above, C is carbon, and R is selected from the group consisting of inertly substituted and unsubstituted alkyls, aryls, alkaryls and aralkyls, hydrogen, and the halogens, said compounds being dissolved in aprotic organic solvent in the presence of a chelating agent sufficient to enable the migration of ions between said anode and said cathode.
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Abstract
A novel electrochemical cell is disclosed which contains an alkali metal anode, a solid cathode, and an electrolyte containing one or more closoborane and/or closocarborane compounds in aprotic solvent. Preferred cells are those containing lithium anodes, chalcogenide cathodes and electrolytes containing one or more closoborane compounds in aprotic solvent with a chelating agent.
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Citations
44 Claims
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1. An electrochemical cell, comprising:
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(a) an alkali metal-containing anode; (b) a solid cathode; and
,(c) an electrolyte containing one or more compounds selected from the group consisting of; (i) closoborane compounds of the formula;
space="preserve" listing-type="equation">Z.sub.2 B.sub.n X.sub.nwherein Z is an alkali metal, B is boron, X is one or more substituents selected from the group consisting of hydrogen and the halogens, and n is an integer from 6 to 12; and
,(ii) closocarborane compounds of the formula;
space="preserve" listing-type="equation">ZCRB.sub.m X.sub.mwherein Z, B and X are as defined above, C is carbon, and R is selected from the group consisting of inertly substituted and unsubstituted alkyls, aryls, alkaryls and aralkyls, hydrogen, and the halogens, said compounds being dissolved in aprotic organic solvent in the presence of a chelating agent sufficient to enable the migration of ions between said anode and said cathode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification