Pole piece for improving safety performance, production device and manufacturing method thereof
The invention discloses a pole piece for improving the safety performance, comprising a positive plate and a negative plate, wherein the positive plate comprises a current collector aluminum foil, a positive paste coating and a polyimide resin coating, the positive paste coating is applied to the ce...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a pole piece for improving the safety performance, comprising a positive plate and a negative plate, wherein the positive plate comprises a current collector aluminum foil, a positive paste coating and a polyimide resin coating, the positive paste coating is applied to the center of the current collector aluminum foil, the polyimide resin coating is applied to two sides ofthe positive paste coating and located at the edge of the current collector aluminum foil, the negative plate comprises a current collector copper foil, a negative paste coating and the polyimide resin coating, the negative paste coating is applied to the center of the current collector copper foil, and the polyimide resin coating is applied to two sides of the negative paste coating and located at the edge of the current collector copper foil. The invention further discloses a production device and a manufacturing method thereof. The invention has the advantages that the probability of occurrence of burrs at the edge |
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