Composite coating diaphragm of lithium ion battery
The utility model relates to the technical field of diaphragms, in particular to a lithium ion battery composite coating diaphragm which comprises a polymer porous base membrane, a first coating surface and a second coating surface, the first coating surface is arranged on the upper surface of the p...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
22.09.2023
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Subjects | |
Online Access | Get full text |
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Abstract | The utility model relates to the technical field of diaphragms, in particular to a lithium ion battery composite coating diaphragm which comprises a polymer porous base membrane, a first coating surface and a second coating surface, the first coating surface is arranged on the upper surface of the polymer porous base membrane, and the second coating surface is arranged on the lower surface of the polymer porous base membrane; the first coating surface comprises a plurality of first adhesive polymer microspheres and a plurality of first supporting polymer microspheres; the second coating surface comprises a plurality of second adhesive polymer microspheres. The cohesive polymer microspheres in the composite coating diaphragm mainly play a role in improving the cohesive force between the diaphragm and a pole piece, so that a battery cell is prevented from being deformed in a circulating process; the supporting polymer microspheres in the composite coating diaphragm can play a good supporting role, so that a cer |
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AbstractList | The utility model relates to the technical field of diaphragms, in particular to a lithium ion battery composite coating diaphragm which comprises a polymer porous base membrane, a first coating surface and a second coating surface, the first coating surface is arranged on the upper surface of the polymer porous base membrane, and the second coating surface is arranged on the lower surface of the polymer porous base membrane; the first coating surface comprises a plurality of first adhesive polymer microspheres and a plurality of first supporting polymer microspheres; the second coating surface comprises a plurality of second adhesive polymer microspheres. The cohesive polymer microspheres in the composite coating diaphragm mainly play a role in improving the cohesive force between the diaphragm and a pole piece, so that a battery cell is prevented from being deformed in a circulating process; the supporting polymer microspheres in the composite coating diaphragm can play a good supporting role, so that a cer |
Author | LI XUE HUANG ENDE GUO WEIDONG LI CHUNQIAN CHEN XIAOKUN |
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DocumentTitleAlternate | 一种锂离子电池复合涂覆隔膜 |
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RelatedCompanies | GUANGDONG ZHUOGAO NEW MATERIAL TECHNOLOGY CO., LTD |
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Snippet | The utility model relates to the technical field of diaphragms, in particular to a lithium ion battery composite coating diaphragm which comprises a polymer... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
Title | Composite coating diaphragm of lithium ion battery |
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