What are the essentials to increase the capacity of lithium-ion batteries?

Improve the performance of materials that are respectful to the capacity of lithium-ion batteries: The important thing here is that for the positive and negative active materials, it is the most direct way to increase the capacity density. Important biases include: 1. Use of materials that play a greater role: for example, lithium-rich materials for positive electrodes, high-voltage ternary materials, high-voltage lithium cobalt oxide materials, binary materials, etc.; soft carbon, hard carbon, and silicon-tin-based compounds for negative electrodes Wait. 2. Use positive and negative materials with greater compaction density. 3. Use active materials with better adhesiveness and conductivity: This can eliminate the content of adhesives and conductive agents in the dressing, thereby increasing the capacity of the unit quality dressing; other adhesives and conductive agents Elimination of dosage can also improve processing functions such as compaction of active materials. 4. Use materials with a smaller rebound thickness: After the reincarnation of lithium-ion batteries, the thickness will have a certain rebound; the design should reserve the rebound thickness after the reincarnation; and when the material with a smaller rebound thickness is used, the saving can be reduced. The lost thickness rebounds and the reserved space is transferred to the design thickness of the cell, thereby increasing the design capacity of the cell. 5. Choose a material system with better matching performance: The combination of materials with poor matching performance will not only reduce the cycle performance of the lithium-ion battery, but also probably affect the rate function and even the performance of the positive and negative electrodes; similarly, when the material is used When the matching is better, the performance, reincarnation, expansion rate and other functions may be improved. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: What are the details of the negative material of the lithium-ion battery pack?