Pole piece and battery

• Main Authors: YU KAIMING, LU YONGBIN, JIN LINGLING, SHEN HONGGUANG
• Format: Patent
• Language: Chinese; English
• Published: 08.04.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention provides a pole piece and a battery, the pole piece comprises a current collector and a coating arranged on the current collector, the coating comprises a conductive structure, the conductive structure is formed by mixing an active substance and a conductive agent, and the current collector is of a porous structure. In the embodiment of the invention, the coating is arranged on the current collector, the porous structure can be convenient for electrolyte to infiltrate into the combination position of the current collector and the coating, the infiltration rate of the electrolyte is improved, and the conductive structures in the coating are distributed on the surface of the current collector and among pores of the porous structure on the current collector, so that the diffusion rate of ions in active substances is improved; and the impedance between the active substance and the current collector is reduced, so that the conductivity of the battery is increased. 本发明提供一种极片及电池，一种极片包括集流体和设置所述集流体上的涂层，所