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
Pending Publication Date: 2020-07-03
LISHEN (QINGDAO) NEW ENERGY CO LTD
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The invention discloses a battery three-dimensional interlayer diaphragm structure with graded liquid retention capacity. The battery three-dimensional interlayer diaphragm structure comprises a frontsurface layer base film (11) and a rear surface layer base film (12) which are distributed at intervals front and back, wherein a plurality of transversely distributed liquid storage interlayers (2)are arranged in a cavity between the front surface layer base film (11) and the rear surface layer base film (12) at intervals from top to bottom, the liquid storage interlayers (2) are used for dividing the cavity between the front surface layer base film (11) and the rear surface layer base film (12) into a plurality of independent liquid storage channels, each liquid storage interlayer (2) comprises a plurality of interlayer single bodies (4) which are sequentially connected together, each interlayer single body is of a groove structure with an upward opening, and an intercommunicating hole(3) which is vertically through up and down is formed in the joint of any two adjacent interlayer single bodies. The battery three-dimensional interlayer diaphragm structure is scientific in structural design, and controllably achieves the graded storage of an electrolytic solution at different height levels, so that the problems of battery safety and electrical performance caused by lack of electrolytic solution are prevented.
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Property | Measurement | Unit |
Thickness | 2.0 ~ 50.0 | µm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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