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US 2026/0291041 A1Published application
Battery cell and battery cell manufacturing method
AssigneeSK On Co., Ltd.
InventorYea-Eun KIM
Life of this patent
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Abstract
Provided according to the present disclosure are a battery cell and a battery cell manufacturing method, the battery cell comprising: a case including an accommodation space in which an electrode assembly is accommodated; an injection passage which is formed in the case and through which an electrolyte is injected into the accommodation space; a first cap detachably coupled to the injection passage; and a second cap detachably coupled to the first cap.
Claims17
A battery cell comprising:
- a case including an accommodation space accommodating an electrode assembly;
- an injection passage formed in the case and through which an electrolyte is injected into the accommodation space;
- a first cap detachably coupled to the injection passage;
- and
- a second cap detachably coupled to the first cap.
2 more elements
A battery cell manufacturing method comprising:
- a case preparation operation of preparing a case including an accommodation space accommodating an electrode assembly and an injection passage through which an electrolyte is injected into the accommodation space;
- an electrode assembly accommodation operation of accommodating the electrode assembly in the accommodation space;
- a first cap coupling operation of coupling a first cap to the injection passage;
- an electrolyte injection operation of injecting the electrolyte into an electrolyte injection hole formed in the first cap;
- and
- a second cap coupling operation of coupling a second cap to the first cap.
3 more elements
Dependencies are inferred from the claim text.