Overcharge protection for electrochemical cells
The invention relates to an improvement in a cell which is normally susceptible to damage from overcharging comprised of a negative electrode, a positive electrode, and an electrolyte comprised of an overcharge protection salt carried in a carrier or solvent. Representative overcharge protection sal...
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| creator | DANTSIN, GENNADY LIU, JUN PETERSON, BRIAN KEITH AMINE, KHALIL JAMBUNATHAN, KRISHNAKUMAR |
| description | The invention relates to an improvement in a cell which is normally susceptible to damage from overcharging comprised of a negative electrode, a positive electrode, and an electrolyte comprised of an overcharge protection salt carried in a carrier or solvent. Representative overcharge protection salts are embraced by the formula:
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ M a Q
where M is an electrochemically stable cation selected from the group consisting of alkali metal, alkaline earth metal, tetraalkylammonium, or imidazolium groups, and Q is a borate or heteroborate cluster and a is the integer 1 or 2. |
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€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ M a Q
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€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ M a Q
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€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ M a Q
where M is an electrochemically stable cation selected from the group consisting of alkali metal, alkaline earth metal, tetraalkylammonium, or imidazolium groups, and Q is a borate or heteroborate cluster and a is the integer 1 or 2.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Overcharge protection for electrochemical cells |
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