Battery three-dimensional interlayer diaphragm structure with graded liquid retention capacity
A diaphragm structure and interlayer technology, which is applied in the field of battery three-dimensional interlayer diaphragm structure, can solve problems such as affecting battery safety performance, affecting battery rate performance, and reducing the amount of electrolyte, preventing battery safety and electrical performance problems, and having great practical significance in production. , The effect of structural design science
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[0024] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0025] See Figure 1 to Figure 4 , The present invention provides a three-dimensional battery sandwich diaphragm structure with hierarchical liquid retention capability, including a front surface layer base film 11 and a back surface layer base film 12 distributed at intervals between front and rear;
[0026] In the cavity between the front surface layer base film 11 and the back surface layer base film 12, a plurality of laterally distributed liquid storage interlayers 2 are sequentially spaced from top to bottom;
[0027] The liquid storage interlayer 2 is used to divide the cavity between the front surface layer base film 11 and the back surface layer base film 12 into a plurality of independent liquid storage channels (ie, multi-level electrolyte...
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