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Breakthrough was made in the development of phosphate electrolyte for lithium-ion battery Industry

Time:2018-07-12 Click:621

According to the lastest news, , the non-combustible phosphatide electrolyte has achieved a new breakthrough in the research field of lithium ion battery, the non-combustible electrolyte lithium battery has excellent safety performance. 

 

The main factor that affects the safety of lithium battery is the use of inflammable organic electrolyte,the old way is to add flame retardants to the electrolyte, however, small molecule phosphatides will undergo strong reduction and decomposition on the negative surface of graphite and lithium metal, unable to develop complete passivation flim, so difficlut to achieve lithium-ion reversible embedded off, limited its development. 

 

For the above problems, experts controlled the salf&solvent Moore ratio under solvent electrochemical stability threshold, priority selected Moore ratio with 1:2 electrolyte of LiFSI&TEP,the system not only has low molar concentration, low viscosity and high conductivity, and there are almost no uncontrolled solvent molecules, restrained solvent molecules on the negative surface irreversible decomposition problem, achieved electrochemical cycle of graphite and lithium metal negative poles reversible.






















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