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US 7,611,790 B2Granted
Zinc/air battery with improved lifetime
AssigneeRobert Bosch GmbH
InventorsDirk Lange, Wilhelm Frey, Bhaskar Srinivasan
Life of this patent
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Abstract
A zinc/air battery includes a plurality zinc/air battery cells and an arrangement for exposing the plurality of zinc/air battery cells to air wherein the exposing arrangement opens the plurality of zinc/air battery cells in a serial manner such that only one cell is operative at a time.
Claims9
A zinc/air battery, comprising:
- a plurality of zinc/air battery cells;
- and
- an arrangement configured to expose the plurality of zinc/air battery cells to air by opening the plurality of zinc/air battery cells in a serial manner such that the plurality of cells are serially activated;
- wherein the exposing arrangement includes a heating mechanism for heating a material coupled to a sealant, the heated material thereby opening pores in the sealant, the sealant thereby being removed.
1 more element
A method for extending the lifetime of a zinc/air battery including a plurality of zinc/air battery cells, the method comprising:
- providing each of the plurality of cells with an air sealant;
- and
- exposing the plurality of cells to air by opening the plurality of zinc/air battery cells in a serial manner such that the plurality of cells are serially activated, wherein the exposing includes heating a material coupled to the air sealant, the heated material thereby opening pores in the sealant, the sealant thereby being removed.
Dependencies are inferred from the claim text.