China SEI films,Competitive Price SEI films

SEI film formation mechanism
Sep , 05 2022
During the formation of the SEI film, various reduction reactions are carried out by the electrolyte solvent, lithium salt, additives, and trace air impurities. This series of reactions is not only affected by the inherent properties of substances such as reduction potential, reduction activation energy, and exchange current density, but also by other factors such as temperature, electrolyte salt ...
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Effect of electrolyte on SEI film
Sep , 05 2022
The electrolyte is the main source of the reduction reaction reactants for the formation of the SEI film , and both the electrolyte solvent and the lithium salt will affect the composition of the SEI film. When the main components of the electrolyte are basically fixed, the performance of the SEI membrane can only be improved by other means. The researchers found that the formation of the SEI film...
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Influence of SEI film on the performance of Li-ion battery
Sep , 05 2022
After extensive research, it has been found that the properties of SEI films greatly affect the performance of Li-ion batteries. During the formation process, the amount of the SEI film formed represents the amount of lithium in the consumed lithium-ion battery, which directly determines the capacity of the lithium- ion battery. Therefore, in the process of forming the SEI film, the less lithium i...
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Effect of formation current density on battery performance
Sep , 13 2022
When graphite is used as the negative electrode active material, there are two types of reactions for the formation of SEI films: two-electron reactions, that is, two electrons participate in the reaction at the same time, and it is easier to generate inorganic lithium salt components; single-electron reactions, that is, only need A reaction that can take place when one electron participates, it i...
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Overview of Si-based anode materials
Oct , 17 2022
The theoretical specific capacity of Si is as high as 4200mAh/g, which is 10 times higher than the theoretical specific capacity of graphite; the lithium intercalation potential of Si is low, which is 0.37mV Li/Li+; and Si is the second most abundant element on the earth, which is not harmful to the environment. Destruction will occur, and the production process of nano-silicon is mature and low-c...
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SEI film formation mechanism

Effect of electrolyte on SEI film

Influence of SEI film on the performance of Li-ion battery

Effect of formation current density on battery performance

Overview of Si-based anode materials

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