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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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 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. |
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