Dr. Li Xianying, a forestry expert at the Korea State Forestry Research Institute, claimed that the use of cellulose extracted from trees to make lithium-ion battery separators succeeded in developing a method for extracting lithium-ion battery core materials from cellulose, the main chemical constituent of trees. Isolation film technology.
Dr. Lee said that the use of mechanical methods, the cellulose into a diameter of 20 ~ 30 nm in size cellulose fibers, and adjust the organic solvent and water mix ratio and thickness, to create a cellulose nano-paper separator. The cellulose nanopaper separation membrane has excellent lithium ion conductivity, electrochemical safety, and no shrinkage at high temperatures, and can be used in various electrolytes. Dr. Li emphasized: "Because of this speciality of cellulose, we can produce high-quality lithium-ion batteries."
It is reported that most lithium-ion battery separation membranes are made of petroleum olefin resins—polyethylene and polypropylene. The Academy of Forestry and Forestry evaluation said: "The use of environmentally friendly materials that can be easily obtained from trees to make membranes is of great significance at the scientific level."
According to calculations by the Shanlin Academy of Sciences, as of 2012, the scale of the core material separator for lithium-ion batteries in the world market can reach 1,200 billion won, and it is expected that the research results will be able to obtain a considerable portion of market share after commercialization.
Dr. Lee said that the use of mechanical methods, the cellulose into a diameter of 20 ~ 30 nm in size cellulose fibers, and adjust the organic solvent and water mix ratio and thickness, to create a cellulose nano-paper separator. The cellulose nanopaper separation membrane has excellent lithium ion conductivity, electrochemical safety, and no shrinkage at high temperatures, and can be used in various electrolytes. Dr. Li emphasized: "Because of this speciality of cellulose, we can produce high-quality lithium-ion batteries."
It is reported that most lithium-ion battery separation membranes are made of petroleum olefin resins—polyethylene and polypropylene. The Academy of Forestry and Forestry evaluation said: "The use of environmentally friendly materials that can be easily obtained from trees to make membranes is of great significance at the scientific level."
According to calculations by the Shanlin Academy of Sciences, as of 2012, the scale of the core material separator for lithium-ion batteries in the world market can reach 1,200 billion won, and it is expected that the research results will be able to obtain a considerable portion of market share after commercialization.
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