Lithium battery cells stirred.48 volt golf cart batteries

　　The electrode manufacturing of the lithium -ion battery, the positive pulp is composed of adhesives, conductives, positive materials, etc.; the negative pole slurry consists of adhesives, graphite carbon powder, etc. The preparation of positive and negative slurry includes a series of process processes such as liquid and liquid, liquid, liquid and solid material, and such as changes in temperature, viscosity, environment and other changes in this process. In positive and negative pole slurry, the decentralization and uniformity of granular activated substances directly sounds the movement of lithium ion between the poles of the battery. The quality of the dispersing quality of the slurry directly affects the quality of subsequent lithium -ion batteries and the performance of its products.

　　(1) ingredients:

　　1. Soluble preparation:

　　a) The mixed ratio and weighing ratio of PVDF (or CMC) and the solvent NMP (or ionic water);

　　b) The stirring time, frequency and number of times (and the surface temperature of the solution);

　　c) After the solution is prepared, the test of the solution: viscosity (test) \ dissolution (visual inspection) and shelving time;

　　d) negative polar: SBR+CMC solution, stirring time and frequency.

　　2. Active substance:

　　a) Whether the mixing ratio and quantity of monitoring and mixing are correct when weighing and mixed;

　　b) Ball grinding: Positive and negative ball grinding time; the ratio of agate beads in the ball grinding barrel; the ratio of big balls to small balls in agate balls;

　　c) Baking: Baking temperature and time settings; Test temperature after cooling after baking.

　　d) Mixing of active substances and solutions: stirring, stirring time and frequency.

　　e) S screening: Over 100 mesh (or 150 mesh) molecular sieve.

　　f) Test and test:

　　The following tests are performed: solid content, viscosity, mixing fineness, vibration density, and pulp density.

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