NEGATIVE ELECTRODE PLATE, TESTING METHOD OF ACTIVE SPECIFIC SURFACE AREA OF ELECTRODE PLATE, BATTERY

NEGATIVE ELECTRODE PLATE, TESTING METHOD OF ACTIVE SPECIFIC SURFACE AREA OF ELECTRODE PLATE, BATTERY

The present disclosure provides a battery and a testing method of an active specific surface area of an electrode plate. The battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the negative electrode plate comprises a negative current collector a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Shen, Yuliang, Zuo, Qiqi, Kang, Meng, Wang, Jiazheng, He, Libing
Format: Patent
Sprache: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 present disclosure provides a battery and a testing method of an active specific surface area of an electrode plate. The battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the negative electrode plate comprises a negative current collector and a negative film, the negative film is provided on at least one surface of the negative current collector and comprises a negative active material, the negative active material comprises graphite, and an active specific surface area of the negative electrode plate is 1 cm2/g˜15 cm2/g. In the present disclosure, by reasonably controlling the active specific surface area of the negative electrode plate can make the battery have the characteristics of high energy density and excellent dynamics performance at the same time.