Non-aqueous secondary battery and its control methods
First Claim
1. A non-aqueous secondary battery comprising positive and negative electrodes and a lithium salt-containing electrolyte, the battery being at least 30 Wh in energy capacity and at least 180 Wh/l in volume energy density and having a flat shape with a thickness of less than 12 mm.
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Abstract
The invention provides a non-aqueous secondary battery having positive and negative electrodes and non-aqueous electrolyte containing lithium salt which has an energy capacity of 30 Wh or more, a volume energy density of 180 Wh/l or higher, which battery has a flat shape and is superior in heat radiation characteristic, used safely and particularly preferably used for a energy storage system. The invention also provides a control method of the secondary battery.
54 Citations
30 Claims
- 1. A non-aqueous secondary battery comprising positive and negative electrodes and a lithium salt-containing electrolyte, the battery being at least 30 Wh in energy capacity and at least 180 Wh/l in volume energy density and having a flat shape with a thickness of less than 12 mm.
- 11. A secondary battery comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte containing lithium salt and having a flat shape.
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20-29. -29. (canceled)
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30. A secondary battery for a energy storage system, comprising positive and negative terminals for charge and discharge provided on the battery case and operation-parameter measuring electrodes extending from different portions of the battery to the outside of the battery case for measurement of the operation parameters in the battery.
Specification