Gao Jian

TL;DR: In this paper, a negative electrode material of a lithium ion battery was used to generate sedimentation, separating and washing the sedimentation by de-ionized water, and sintering under inert atmosphere at 600-800 DEG C to obtain the CNTs/Si/C composite material.

TL;DR: In this article, an active material of a negative electrode of a lithium ion battery is provided. The active material comprises a manganese dioxide nano tube. And the preparation method comprises the steps of mixing potassium permanganate, hydrogen chloride and a surfactant, polyvinylpyrrolidone, in water to form a mixed solution.

TL;DR: In this paper, a preparation method of a lithium ion battery electrode active material is described, which comprises the steps that: lithium source and titanium oxide are provided, and are mixed into a mixture; the mixture is subjected to first grinding, such that a plurality of precursor particles are obtained; the precursor particles were pre-sintered under a temperature of 500-600 DEG C, such as a plurality thereof, and the plurality of first intermediate particles were subjected to second grinding, and were subject to second sintering under the temperature of 800-1000 DEGC,

TL;DR: In this article, a preparation method of a polyolefin composite membrane is described, which comprises the following steps of polymerizing methyl methacrylate and gamma-3-(Triethoxysilyl)propyl methacylate in proportion to form a copolymer with the molecular formula shown in the description.