Lithium-sulphur battery diaphragm preparation method, lithium-sulphur battery diaphragm and lithium-sulphur battery
A lithium-sulfur battery and diaphragm technology, applied in the field of lithium-sulfur batteries, can solve the problems of low conductivity of sulfur and lithium sulfide, low coulombic efficiency of sulfur positive electrodes, and energy loss of active materials, so as to reduce electron transfer resistance, improve coulombic efficiency and Conductivity, effect of inhibiting migration
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] see figure 1 , the embodiment of the present invention provides a preparation method of a lithium-sulfur battery separator, including the following steps: S1, adding chemical short fibers and shrunken and crumpled microfibers into a solvent at the same time, and dispersing to form a uniform matrix slurry; S2, After the matrix slurry is free deposited and the fibers are cross-linked and bridged to form each other, the uniformly dispersed nanocellulose sl...
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