CASING OF A BATTERY CELL

A casing (10) for a battery cell (100) has at least one plate (1) made of sheet metal closing an inner space (2) of the casing (10) for housing a stack of electrodes. The plate (1) has a length (L), a width (W) and a thickness (t) such that a slenderness ratio of the plate W/t is greater than 10. Th...

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Bibliographic Details
Main Author CHOI, Hangjune
Format Patent
LanguageEnglish
French
German
Published 31.07.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A casing (10) for a battery cell (100) has at least one plate (1) made of sheet metal closing an inner space (2) of the casing (10) for housing a stack of electrodes. The plate (1) has a length (L), a width (W) and a thickness (t) such that a slenderness ratio of the plate W/t is greater than 10. The plate (1) has at least one stamped bead (3) protruding towards the inner space (2) of the casing (10), which crosses a centerline (C) of the width (W) of the plate (1) and forms a recess (4) facing away from the inner space (2) of the casing (100), the recess (4) having an average width value Q measured at the centerline (C) of the width (W) of the plate (1), characterised in that the average width value Q is greater than 0.3t and less than 3t.
Bibliography:Application Number: EP20230305098