BORIC ACID DERIVATIVE MODIFIED BINDER AND LITHIUM-ION BATTERY INCLUDING SAME
The present application provides a boric acid derivative modified binder and a lithium-ion battery including the binder. Surfaces of emulsion particles of the binder are rich in boric acid groups (-B(OH)2). When the binder is applied to an electrode piece of the battery, the boric acid groups can be...
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| creator | CHEN, Weiping CHU, Lin LI, Suli GUO, Panlong LI, Junyi |
| description | The present application provides a boric acid derivative modified binder and a lithium-ion battery including the binder. Surfaces of emulsion particles of the binder are rich in boric acid groups (-B(OH)2). When the binder is applied to an electrode piece of the battery, the boric acid groups can be subjected to a dehydration condensation reaction with -OH in sodium carboxymethyl cellulose dispersant, or with -OH in a functional monomer during the drying process of the electrode piece, to form a three-dimensional network, increasing the bonding force and greatly improving the peeling strength of the electrode piece. The binder can also significantly improve the cycle performance of the lithium-ion battery, thereby prolonging the cycle life of the lithium-ion battery. |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | BORIC ACID DERIVATIVE MODIFIED BINDER AND LITHIUM-ION BATTERY INCLUDING SAME |
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