Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same

摘要

Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1.
LixV2-yMyO5  [Chemical Formula 1];In Chemical Formula 1,
M is one or more selected from the group consisting of aluminum (Al), magnesium (Mg), zirconium (Zr), titanium (Ti), strontium (Sr), copper (Cu), cobalt (Co), nickel (Ni), manganese (Mn), and a combination thereof,1

主权项

1. A positive electrode for a rechargeable lithium battery, comprising:
a current collector; and a positive active material layer disposed on the current collector, the positive active material layer comprising a binder, a conductive agent and a positive active material essentially consisting of a lithium vanadium oxide-based compound represented by the following Chemical Formula 1:
LixV2-yMyO5  [Chemical Formula 1] wherein M is at least one selected from the group consisting of aluminum (Al), magnesium (Mg), zirconium (Zr), titanium (Ti), strontium (Sr), copper (Cu), cobalt (Co), nickel (Ni), manganese (Mn), and a combination thereof, and wherein 3.5≦x<4 and y is 0≦y≦0.5.