Conductive carbon black, positive electrode plate, electrochemical apparatus, and electronic apparatus
AssigneeNingde Amperex Technology Limited
InventorsXiaoqian LIU, Dongdong HAN
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Abstract
A conductive carbon black includes a plurality of carbon black units and pores located between adjacent carbon black units. Based on a total mass of the conductive carbon black, a mass percentage of a volatile component in the conductive carbon black is M %. A specific surface area of the conductive carbon black is N m2/g. The conductive carbon black satisfies. 0.003≤M/N≤0.02.
Claims20
A conductive carbon black, wherein the conductive carbon black comprises a plurality of carbon black units and pores located between adjacent carbon black units;
- and
- based on a total mass of the conductive carbon black, a mass percentage of a volatile component in the conductive carbon black is M %, a specific surface area of the conductive carbon black is N m2/g, and 0.003≤M/N≤0.02.
A positive electrode plate, comprising a binder, positive electrode active material particles, and a conductive agent;
- wherein the conductive agent comprises a conductive carbon black, wherein the conductive carbon black comprises a plurality of carbon black units and pores located between adjacent carbon black units;
- and
- based on a total mass of the conductive carbon black, a mass percentage of a volatile component in the conductive carbon black is M %, a specific surface area of the conductive carbon black is N m2/g, and 0.003≤M/N≤0.02.
An electrochemical apparatus, comprising a positive electrode plate, a negative electrode plate, a separator, and an electrolyte;
- wherein the positive electrode plate comprises a binder, positive electrode active material particles, and a conductive agent, wherein the conductive agent comprises a conductive carbon black, wherein the conductive carbon black comprises a plurality of carbon black units and pores located between adjacent carbon black units;
- and
- based on a total mass of the conductive carbon black, a mass percentage of a volatile component in the conductive carbon black is M %, a specific surface area of the conductive carbon black is N m2/g, and 0.003≤M/N≤0.02.
Dependencies are inferred from the claim text.