▎ 摘　　要

NOVELTY - Micro-nano agglomerant comprises polymer agglomerant and solvent. The solvent satisfies temperature is less than 60℃, it is a non-solvent for the polymer agglomerant can form a uniform and stable sol or suspension dispersion system with the existing polymer agglomerant and a temperature greater than 60℃ which is capable of swelling or dissolving the existing polymeric agglomerant. USE - The micro-nano agglomerant is useful for preparing electrode slurry, anode sheet, cathode sheet, lithium ion battery, sodium ion battery, supercapacitor or lithium metal battery (all claimed) and preparing a polymer sol or suspension adhesive is useful in a battery electrode. ADVANTAGE - The micro-nano agglomerant: has good dispersing ability of solid components, thixotropic rheological characteristic and excellent comprehensive performance; and forms the battery electrode formed using the battery electrode with excellent cycle performance and multiplying power performance of the battery. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: Preparing micro-nano agglomerant, comprising (i) adding the existing polymer agglomerant into the solvent, and using high-speed shearing or ultrasonic dispersion at 0-60℃ to obtain a uniform and stable sol or suspension dispersion system, where the shear rate is ≥100s1 and high-speed shearing or ultrasonic dispersion is carried out for 1-30 minutes; Using method of micro-nano agglomerant, comprising (a) adding the micro-nano binder is added to the anode or cathode active material and the conductive filler, and mechanically mixing and dispersing to obtain the electrode slurry, preparing the obtained electrode slurry by the existing processing method to prepare a wet electrode blank with a uniform structure and a customizable shape; (b) heating the temperature of the wet electrode blank to 100-200℃ to fully swell, melting and infiltrating the polymer micro-nano agglomerant in the blank, volatizing the bonding between the components can be achieved while the solvent, rolling to obtain the electrode sheet, the existing processing methods comprises scraping, extrusion, injection or hot pressing, heating to 100-200℃ for 3 minutes-10 hours, swelling the polymer micro-nano structure in the polymer micro-nano agglomerant, gelling, dissolving or melting in the solvent, so that it can fully penetrate and realize the bonding of components; Electrode slurry, prepared as mentioned above, comprising adding the nano agglomerant into the anode or cathode active material and the conductive filler, and mixing uniformly to obtain a uniformly dispersed electrode slurry; Preparing an electrode, comprising adding the nano agglomerant into anode or cathode active materials and conductive fillers, and mixing uniformly to obtain electrode slurry, prepared as mentioned above to produce an electrode blank with a uniform structure and a customizable shape, heating the electrode blank to 100-200°C to fully melt and infiltrate the polymer micro-nano particles in the nano agglomerant to realize the bonding between the components and ensure the volatilization of the solvent, and preparing the electrode sheet, the preparation of the battery electrode comprises (a) adding the weighed existing polymer agglomerant into the solvent, and using a high-speed shear or ultrasonic disperser to disperse to obtain a uniform polymer micro-nano agglomerant; (b) premixing the anode active material or the cathode active material and the conductive filler, adding the micro-nano agglomerant and using grinding, mechanical mixing or ball mill mixing until to obtain a uniform electrode slurry; and (c) applying the obtained electrode slurry on the surface of the anode or cathode current collector, heating to 100-200℃ for 3 minutes-10 hours to swell or dissolve the polymer micro-nano agglomerant, volatilizing activate the binder while the solvent, drying and rolling to obtain an electrode with a uniform, the step (b), the ratio of each component 20-98 pts. wt. anode active material or cathode active material, 1-50 pts. wt. conductive filler, and 1-30 pts. wt. polymer agglomerant, using a mortar, a ball mill or a twin-screw extruder to mix evenly to obtain the electrode slurry, the current collector is aluminum foil, copper foil, aluminum wire or copper wire, drying and rolling the obtained electrode to obtain the positive and negative pole pieces of the lithium ion battery, where rolling temperature is 50-300℃, the pressure is 1-200 MPa, and , the pressure is 1-200 MPa, and the rolling time is 1 second-15 minutes; and Electrode, prepared as mentioned above.