Silicon-carbon anode paste and preparation method thereof
A technology of negative electrode slurry and negative electrode material, applied in battery electrodes, nanotechnology for materials and surface science, electrical components, etc., can solve the problem of material and current collector shedding, low lithium storage capacity, poor electrical conductivity and cycle performance and other problems, to achieve the effect of improving compaction density and electrical conductivity, improving cycle performance, and improving cycle performance
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[0026] Example
[0027] Add 25±0.005kg of acrylonitrile multi-copolymerization LA type water-based electrode binder LA133 (Chengdu Yindile Power Technology Co., Ltd.) with a solid content of 15.0±0.2% and 62.5±0.005kg of deionized water into the planetary mixer (Guangzhou Hongyun Mixing Equipment Co., Ltd. HY-DLH (100L)) stir for 1~2h, revolution speed is 10~20r / min, rotation speed is 500~800r / min, prepare binder solution and set aside.
[0028] Average 1±0.005kg carbon black Super-p conductive agent powder (Shanghai Huipu Industrial Chemical Co., Ltd.) and 55±0.005kg single-arm carbon nanotube suspension emulsion (European OCSiAl company TUBALLSWCNT) with a solid content of 0.2±0.01% Put the mixture into the planetary ball mill (Changsha Miqi Instrument Equipment Co., Ltd. MITR-QM-QX-100L) four alumina ball mill tanks for wet mixing. The diameter of the alumina ball is 3mm, the total mass of the ball is 50±0.1kg, and the revolution speed is 20r / min, rotation speed 60r / min, ball ...
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