Abstract: The present invention provides a silicon-based composite negative electrode material, including an inner core, a first shell layer, and a second shell layer, wherein the first shell layer covers the inner core; the second shell layer covers the first shell cover; the inner core includes a carbon-silicon composite material; the first shell layer includes an amorphous carbon layer; and the second shell layer comprises includes a conductive polymer layer. Meanwhile, further disclosed in the present invention are a preparation method for the silicon-based composite negative electrode material and a lithium ion battery including the silicon-based composite negative electrode material. The silicon-based composite negative electrode material provided in the present invention can effectively restrain the volume expansion of the inner core, construct a stable solid-liquid interface, form a stable SEI film, and improve the cycle stability and multiplier performance of the lithium ion battery.

Abstract: A method of preparing an anode of lithium ion batteries or an electrode plate of a supercapacitor. The method includes admixing a terpene resin-based aqueous binder. The terpene resin-based aqueous binder includes a terpene resin emulsion including between 20 and 80 wt. % of a terpene resin, and the terpene resin emulsion has a viscosity of between 2000 and 10000 mPa·s.

Abstract: Disclosed is an aqueous composite binder of natural polymer derivative-conducting polymer. The composite binder comprises a natural polymer derivative and a water-soluble conducting polymer at a mass ratio of 1:3.75 to 1:0.038. The composite binder can be used for a conducting electrode material and a binder material of an electrochemical energy storage device, in particular for manufacturing a lithium ion battery, a capacitor or other energy storage system. Also disclosed are a plate electrode for an enemy storage device containing the composite binder and an energy storage device containing the plate electrode.

Abstract: A method of preparing an anode of lithium ion batteries or an electrode plate of a supercapacitor. The method includes admixing a terpene resin-based aqueous binder. The terpene resin-based aqueous binder includes a terpene resin emulsion including between 20 and 80 wt. % of a terpene resin, and the terpene resin emulsion has a viscosity of between 2000 and 10000 mPa·s.