Cathode and lithium battery using the same
AssigneeSamsung SDI Co., Ltd.
InventorKyu-sung PARK
Life of this patent
Estimating the term…
Abstract
A cathode including a current collector and a cathode active composition coated on the current collector. The cathode active composition includes a conducting agent, a binder, and a cathode active material. The cathode active material includes a solid-solution composite oxide represented by the Formula xLi2MO3-(1−x)LiMeO2, in which 0<x<1, and M and Me are each independently at least one metal selected from the group consisting of Mn, Ti, Zr, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, B, and Mo; and an electrochemically inactive material that is surface-coated with carbon.
Claims20
A cathode comprising:
- a current collector;
- a cathode active composition coated on the current collector, comprising a conducting agent, a binder, and a cathode active material,
- wherein the cathode active material comprises,
- a solid-solution composite oxide represented by the Formula xLi2MO3-(1−x)LiMeO2, wherein 0<x<1, and M and Me are each independently at least one metal selected from the group consisting of Mn, Ti, Zr, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, B, and Mo, and an electrochemically inactive material that is surface-coated with carbon.
A lithium battery comprising:
- an anode;
- an organic electrolytic solution;
- and
- a current collector;
- a cathode active composition coated on the current collector, comprising a conducting agent, a binder, and a cathode active material,
- wherein the cathode active material comprises,
- a solid-solution composite oxide represented by the Formula xLi2MO3-(1−x)LiMeO2, wherein 0<x<1, and M and Me are each independently at least one metal selected from the group consisting of Mn, Ti, Zr, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, B, and Mo, and
- a electrochemically inactive material coated with carbon.
A cathode active composition for a cathode, comprising:
- a conducting agent;
- a binder;
- and
- a cathode active material comprising,
- a solid-solution composite oxide represented by the Formula xLi2MO3-(1−x)LiMeO2, wherein 0<x<1, and M and Me are each independently at least one metal selected from the group consisting of Mn, Ti, Zr, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, B, and Mo, and
- a carbon-coated electrochemically inactive material.
Dependencies are inferred from the claim text.