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US 5,472,809 AGranted
Lithium rechargeable electrochemical cell
AssigneeSociete Anonyme dite: SAFT
InventorsFrancoise Perton, Sylvie Baudry, Annie Porcheron
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Abstract
A lithium rechargeable electrochemical cell comprising an anode of pure or alloyed lithium or of lithium-containing carbon, a cathode of metal oxide, and an electrolyte comprising a mixture of aprotic organic solvents and a lithium salt, characterized by the fact that said mixture is made up of: 5% to 40% by volume of propylene carbonate; 10% to 20% by volume of ethylene carbonate; and 50% to 85% by volume of dimethyl carbonate.
Claims8
A lithium rechargeable electrochemical generator comprising an anode formed of pure or alloyed lithium or of lithium-containing carbon,
- a cathode of metal oxide, and
- an electrolyte comprising a mixture of aprotic organic solvents containing a lithium salt, said mixture consiting essentially of:
- 5% to 40% by volume of proplylene carbonate;
- 10% to 20% by volume of ethylene carbonate;
- and
- 50% to 85% by volume of dimethyl carbonate.
3 more elements
Dependencies are inferred from the claim text.