LITHIUM OR LITHIUM ION SECONDARY BATTERY USING POLYELECTROLYTE

摘要

The present invention provides a polymer electrolyte (3) prepared by adding ethylene carbonate and propylene carbonate as a plasticizer to an Al current collector (1), a positive electrode (2) in contact with the current collector, and a polyacrylonitrile coated on the positive electrode (2). A negative electrode portion composed of a positive electrode portion composed of Cu and a current collector 6 supporting a negative electrode by coating the negative electrode 5 with a polyelectrolyte prepared by adding ethylene carbonate and linear carbonate as a plasticizer to the negative electrode 5 The present invention relates to a lithium or lithium ion secondary battery formed by bonding to an anode, which is coated with an electrolyte prepared by using linear carbonate instead of propylene carbonate as a plasticizer to inhibit the reaction between propylene carbonate and a graphite negative electrode material. There is an effect of improving the interfacial properties and increasing the reversibility and the charge and discharge efficiency.