BATTERY ADHESIVE, LITHIUM-ION BATTERY NEGATIVE ELECTRODE PLATE AND LITHIUM-ION BATTERY

The invention relates to a battery binder, a lithium ion battery negative plate and a lithium ion battery, and belongs to the technical field of lithium ion batteries to solve a technical problem of providing a binder for the battery. The binder comprises a polymer with a hydrophilic unit and a hydr...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG, Xiaozheng, TAO, Wei, PAN, Zhonglai
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON DYES ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The invention relates to a battery binder, a lithium ion battery negative plate and a lithium ion battery, and belongs to the technical field of lithium ion batteries to solve a technical problem of providing a binder for the battery. The binder comprises a polymer with a hydrophilic unit and a hydrophobic unit; and in the polymer, a medium-low molecular weight polymer accounts for less than 5 wt% of the total polymer, and the molecular weight of the medium-low molecular weight polymer is less than or equal to 100,000. The binder provided by the invention is strong in adhesive force, simple in preparation method and low in cost, and not only can reflect higher adhesive force, but also can increase the proportion of the active material when the binder amount is 1.5-2% by being compared with the amount of 2.5-5% of an existing negative plate binder, so that the energy density of the battery is increased.