Descrição dos produtos
Lithium-ion batteries are mainly composed of positive electrodes, negative electrodes, electrolytes and other components, among which the electrodes are mainly composed of active materials, binders, conductive agents and current collectors. At present, the conventional electrode production process is a wet production process, which generally involves first mixing the active materials, conductive agents and other components evenly, then adding PVDF and other glues and Dispersando-os totalmente e cobrindo-os no coletor atual, e depois secando, rolando e cortando-os para enrolamento das células da bateria . As características da pasta têm um impacto significativo na produção subsequente de eletrodos e no desempenho da bateria, portanto, como obter uma lodo com bom desempenho é crucial para a produção de matrizes de leito {{4
The stability of the slurry mainly refers to the anti-agglomeration and anti-precipitation characteristics. The slurry agglomeration is mainly affected by the weak van der Waals force between the active material particles in the slurry. In some rare cases, due to the static electricity on the surface of the slurry particles, they will attract each other and cause serious agglomeration. Especially in water-based slurries, stronger hydrogen bonds and electrostatic forces will make the slurry more likely to agglomerate, so some dispersants are usually added to the high-purity water-based carbon nanotube paste to form an electrostatic barrier in the slurry to prevent the slurry from agglomerating. At the same time, high-purity water-based carbon nanotube paste also faces problems such as poor wettability with the current collector and corrosion of Al foil by the positive electrode water-based slurry. Although water-based slurries have a series of problems, since water-based slurries do not require solvent recovery, they can reduce equipment investment and operating costs. Therefore, water-based slurries are still widely used, especially at present, graphite negative electrodes basically use water-based slurry Os sistemas e a aplicação de sistemas positivos à base de água do eletrodo também são continuamente promovidos .
Tag: Pasta de nanotubos de carbono à base de água de alta pureza, China, fabricantes de pastas de nanotubos de carbono de alta pureza à base de água, fornecedores, fábrica
