Battery sealing plate coated with protective film and battery sealed with the same

A closing plate for a battery comprises a metal substrate provided with a safety valve at a peripheral portion thereof. The safety valve is protected by applying a protection film to the metal substrate of the closing plate. The closing plate comprises a metal substrate, metal foil which is adhered...

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Bibliographic Details
Main Authors SAIJO KINJI, SUZUKI HIROMASA
Format Patent
LanguageEnglish
Published 06.08.2003
Edition7
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 closing plate for a battery comprises a metal substrate provided with a safety valve at a peripheral portion thereof. The safety valve is protected by applying a protection film to the metal substrate of the closing plate. The closing plate comprises a metal substrate, metal foil which is adhered to the lower surface of the metal substrate, and a protection film attached to the upper surface of the metal substrate, which protection film has previously been provided with a cut in a prescribed shape.
Bibliography:Application Number: CN19988006518