▎ 摘　　要

NOVELTY - A preparation method of electrode pole element involves preparing a anode pole element and a cathode pole element, where the anode pole element is prepared by dissolving anode binder, heating, adding conductive agent, stirring to prepare conductive agent and ion conductive agent slurry, adding anode material, stirring, coating anode and drying to prepare anode pole element (P1), placing in a reaction groove, placing into oil-based or aqueous conductive agent suspension, soaking electrode to prepare an anode pole element (P2), and the cathode pole element is prepared by dissolving cathode adhesive, heating, adding conductive agent, and stirring to prepare conductive agent and slurry, adding anode material, and stirring to prepare cathode slurry, coating cathode, and drying to prepare cathode pole element (N1), placing in reaction groove, placing groove into oil-based conductive agent suspension or aqueous conductive agent suspension and drying to prepare cathode pole element (N2). USE - Preparation method of electrode pole element of electrode plate for battery (all claimed) e.g. secondary lithium ion battery used in portable electronic device, large-scale energy storage device and electric automobile. ADVANTAGE - The uniform continuous conductive layer is formed on the surface of the electrode surface and internally, so that the conductivity of the electrode is effectively increased, and the large rate discharge performance of the battery is improved. DETAILED DESCRIPTION - A preparation method of electrode pole element involves preparing a anode pole element and a cathode pole element, where the anode pole element is prepared by (S1101) dissolving 5-10 wt.% anode binder in N-methyl-2-pyrrolidone solvent, heating at 50-80degreesC to prepare anode glue, (S1102) adding 2-15 wt.% conductive agent to the anode glue, stirring for at least 2 hours at 25-60degreesC to prepare conductive agent and ion conductive agent slurry, (S1103) adding 70-95 wt.% anode material in the slurry, stirring for at least 12 hours at 25-60degreesC to prepare anode slurry, (S1104) coating the anode according to a certain coating amount using a coating device at a coating speed of 3-10 m/minute, and drying at 85-130degreesC to prepare anode pole element (P1), (S1105) placing anode pole element in a reaction groove according to a certain speed, placing the reaction tank into oil-based conductive agent suspension or aqueous conductive agent suspension, soaking the electrode after drying at 85-130degreesC to prepare an anode pole element (P2), and the cathode pole element is prepared by (S1201) dissolving 5-10 wt.% cathode adhesive in N-methyl-2-pyrrolidone solvent, and heating at 50-80degreesC to prepare cathode glue, (S1202) adding 2-15 wt.% conductive agent in the cathode glue, and stirring for at least 2 hours at 25-60degreesC to prepare conductive agent and ion conductive agent slurry, (S1203) adding 70-95 wt.% anode material in the slurry, and stirring for at least 12 hours at 25-60degreesC to prepare cathode slurry, (S1204) using a coating device, coating cathode according to a certain coating amount at coating speed of 3-10 m/minute, and drying at 85-130degreesC to prepare cathode pole element (N1), (S1205) placing the cathode pole element passes in the reaction groove according to a certain speed, placing the reaction groove into oil-based conductive agent suspension or aqueous conductive agent suspension, and drying the electrode after soaking at the temperature of 85-130degreesC to prepare cathode pole element (N2). INDEPENDENT CLAIMS are included for the following: 1.a preparation method of battery, which involves (S101) preparing electrode pole element, (S102) rolling and pressing the dried anode pole element, and cutting to prepare an anode pole element, rolling the dried cathode pole element, cutting and preparing the cathode pole element, (S103) using a membrane to cover the anode pole element, according to the capacity of the battery, and preparing an electric core using the method of alternately placing the anode and cathode, and (S104) using an aluminum-plastic film to package the battery core, injecting the corresponding high power electrolyte, and vacuum packaging to prepare battery; 2.an electrode pole element; and 3.a battery.