Rechargeable batteries
First Claim
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1. An improved rechargeable battery which comprises:
- a plurality of battery cells at least some of which are connected together to discharge in parallel, each of the parallel discharging cells, or each group of parallel discharging groups of the cells having its own respective recharging input; and
a switching means to switch a number of the parallel discharging battery cells or groups of cells to connect to their respective recharging input for recharging each said cell or group of cells individually.
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Abstract
An improved rechargeable battery which comprises: a plurality of battery cells connected together to discharge in parallel, each of the cells, or each group or groups of the cells having its own respective recharging input; and an electrical switching circuit to switch a number of the battery cells or groups of cells to connect to their respective recharging input for recharging each cell or group of cells individually.
28 Citations
19 Claims
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1. An improved rechargeable battery which comprises:
- a plurality of battery cells at least some of which are connected together to discharge in parallel, each of the parallel discharging cells, or each group of parallel discharging groups of the cells having its own respective recharging input; and
a switching means to switch a number of the parallel discharging battery cells or groups of cells to connect to their respective recharging input for recharging each said cell or group of cells individually. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19)
- a plurality of battery cells at least some of which are connected together to discharge in parallel, each of the parallel discharging cells, or each group of parallel discharging groups of the cells having its own respective recharging input; and
- 15. A battery which comprises a plurality of cells housed within an inner casing that is housed in turn within an outer casing and having an air gap between the inner casing and the outer casing and with a heater being provided to heat the air gap in response to a temperature sensor that senses any reduction of the temperature of the air in the air gap below a predetermined threshold.
- 17. A rechargeable battery comprising a plurality of battery cells in a casing, the battery cells being of nickel metal hydride type and the casing having an electrically operated vent in the casing and which opens when the battery is coupled to a recharging device.
Specification