POUCH-TYPE BATTERY CASE, SECONDARY BATTERY, AND BATTERY FORMING APPARATUS

In a pouch-type battery case (10) which is configured to accommodate an electrode assembly (21) having a structure in which electrodes (23, 25) and separators (24) are alternately arranged, the battery case (10) comprises a pouch film (1) having a film thickness (d1), a first surface (31) and a seco...

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Bibliographische Detailangaben
1. Verfasser:	OH, Jung Hyun
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	In a pouch-type battery case (10) which is configured to accommodate an electrode assembly (21) having a structure in which electrodes (23, 25) and separators (24) are alternately arranged, the battery case (10) comprises a pouch film (1) having a film thickness (d1), a first surface (31) and a second surface (34), a first cup portion (13) formed in the pouch film (1) having a recessed shape offset from the first surface (31) towards the second surface (34); a second cup portion (15) formed in the pouch film (1) having a recessed shape offset from the first surface (31) towards the second surface (34); and a bridge portion (14) formed in the pouch film (1) between the first cup portion (13) and the second cup portion (15) and connecting the first cup portion (13) to the second cup portion (15); the bridge portion (14) includes a notch (41) formed in the first surface (31) projecting towards the second surface (34).