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US 2011/0217571 A1Published application
Battery pack and method of manufacturing same
AssigneeSamsung SDI Co., Ltd.
InventorsJong-Pil Kim, Woon-Seong Baek, Dae-Geun Kim
Life of this patent
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Abstract
A battery pack comprising a bare cell and a protection circuit module positioned on top of the cap plate of the bare cell and a cover. Threaded connectors are used to connect the cover to the bare cell. The threaded connectors are chemically polished to enhance the engagement between the connectors and the cap plate.
Claims20
A battery pack comprising:
- a bare cell having an electrode assembly and a cap plate;
- a protection circuit module positioned on top of the cap plate;
- a cover that is positioned over the protection circuit module;
- and
- at least one threaded connector that engages with the cover and the protection circuit module and is secured into the cap plate so as to secure the cover and the protection circuit module to the cap plate, wherein the threads of the at least one connector are polished and the polished threads engage with the cap plate to secure the at least one threaded connector to the cap plate.
2 more elements
A method of making a battery pack comprising:
- providing at least one threaded connector that is dimensioned to be used to secure a cover and a protection circuit module to a bare cell of a battery pack;
- and
- polishing at least one threaded connector to polish the threads of the at least one threaded connector so as to control the size of the threads of the at least one threaded connector.
Dependencies are inferred from the claim text.