CATHODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM IONSECONDARY BATTERY USING THE SAME

摘要

A cathode for a lithium ion secondary battery, including: a cathode current collector; a PTC layer including an electrically conductive particle, a polymer particle, and a water-soluble polymer, the PTC layer being provided on the cathode current collector; and a cathode active material layer provided on the PTC layer, as well as a lithium ion secondary battery using the same.

主权项

1. A cathode for a lithium ion secondary battery, comprising:
a cathode current collector; a PTC layer provided on the cathode current collector, the PTC layer comprising electrically conductive particles, polymer particles, and a water-soluble polymer; and a cathode active material layer provided on the PTC layer.