SECONDARY BATTERY AND ELECTRIC DEVICE

The present application provides a secondary battery and an electric device. The secondary battery comprises a negative plate, wherein the negative plate comprises a negative current collector and a negative film layer, which is formed on at least one surface of the negative current collector and comprises a negative active material, wherein the negative active material comprises a first carbon-based material and a second carbon-based material, the first carbon-based material has a pore structure, and at least part of a surface of the second carbon-based material has a carbon-coated layer. The present application can make the secondary battery have both good dynamic performance and storage performance while having high energy density. La présente invention concerne une batterie secondaire et un dispositif électrique. La batterie secondaire comprend une plaque négative, la plaque négative comprenant un collecteur de courant négatif et une couche de film négatif, qui est formée sur au moins une surface du colle