Lithium ion battery diaphragm and lithium ion battery equipped with same
A lithium-ion battery and separator technology, applied in the field of lithium-ion batteries and lithium-ion battery separators, can solve problems such as insufficient safety performance of lithium-ion batteries, and achieve the effects of avoiding battery thermal runaway, improving safety, and reducing the probability of reaction.
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[0030] In order to make the object, technical solution and technical effect of the present invention clearer, specific embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0031] see figure 1 An embodiment of the present invention provides a separator for a lithium ion battery, including a porous substrate layer 100 and an oxygen absorbing layer 200 that are laminated, and the oxygen absorbing layer 200 includes an oxygen absorbing material.
[0032] In the embodiment of the present invention, an oxygen absorbing layer 200 is provided, and the oxygen absorbing layer 200 is coated on the surface of the porous substrate layer 100 to form a multi-layer diaphragm. The diaphragm has the ability to absorb oxygen, which can effectively reduce the oxygen content in the battery,...
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