Positive pole piece and preparation method thereof, battery monomer, battery and electric equipment

The invention discloses a positive pole piece and a preparation method thereof, a battery monomer, a battery and electric equipment, and relates to the field of batteries. The positive pole piece (24) comprises a current collector (240), a water-based conductive coating and an electrode layer (243),...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHEN JUNGUANG, ZHANG SHENGWU, WANG XINGHUI, YANG BINGZI, BAE HAE-RAK, CHENG CONG
Format:	Patent
Sprache:	chi ; eng
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:	The invention discloses a positive pole piece and a preparation method thereof, a battery monomer, a battery and electric equipment, and relates to the field of batteries. The positive pole piece (24) comprises a current collector (240), a water-based conductive coating and an electrode layer (243), the water-based conductive coating comprises a first water-based conductive coating (241) and a second water-based conductive coating (242), and the first water-based conductive coating (241) is located on the side, facing the current collector (240), of the second water-based conductive coating (242); the stripping force between the first water-based conductive coating (241) and the current collector (240) is greater than or equal to 50N/M; the second water-based conductive coating (242) is soluble in water, the dissolution time of ultrasonic cleaning is greater than or equal to 200 s, and the stripping force between the electrode layer (243) and the second water-based conductive coating (242) is greater than or