A test method for mixing uniformity of lithium battery negative electrode materials
A technology of mixing uniformity and negative electrode materials, which is applied in the field of testing the mixing uniformity of lithium battery negative electrode materials, can solve the problems of complex testing process and insufficient accuracy, and achieve the effect of simple testing process, improved yield rate and high accuracy rate
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Embodiment 1
[0057] The test steps of mixing uniformity of the negative electrode material of the present embodiment are as follows:
[0058] (1) 3.48095 g of graphite and 0.00550 g of conductive carbon are mixed to give a mixture, and the mass content of conductive carbon is 0.16% (i.e., the theoretical mass of conductive carbon refers to the feedstock) in the mixture.
[0059] (2) Test the specific surface area of the mixture, by calculating the measured mass ratio of the conductive carbon in the mixture.
Embodiment 2
[0061] The test steps of mixing uniformity of the negative electrode material of the present embodiment are as follows:
[0062] (1) 2.90814 g of graphite and 0.01187 g of conductive carbon were mixed to obtain a mixture, and the mass content of conductive carbon in the mixture was 0.41%;
[0063] (2) Test the specific surface area of the mixture, by calculating the measured mass ratio of the conductive carbon in the mixture.
Embodiment 3
[0065] The test steps of mixing uniformity of the negative electrode material of the present embodiment are as follows:
[0066] (1) 2.24759 g of graphite and 0.01146 g of conductive carbon were mixed to give a mixture, and the mass percentage of conductive carbon in the mixture was 0.51%;
[0067] (2) Test the specific surface area of the mixture, by calculating the measured mass ratio of the conductive carbon in the mixture.
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