Cathode active material, cathode comprising same, and secondary battery
AssigneesKorea University Research and Business Foundation, Research & Business Foundation Sungkyunkwan University
InventorsWon Sub Yoon, Yong Mook Kang, Mi Ru Jo, Junghoon Yang, Yunok Kim
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Abstract
Provided are a cathode active material, a cathode comprising same, and a secondary battery. The cathode active material contains crystal water and a manganese-based metal oxide and has a first crystal phase having a two-dimensional crystal structure and a second crystal phase having a three-dimensional crystal structure, wherein the three-dimensional crystal structure is formed by the combination of manganese in the manganese-based metal oxide and oxygen in the crystal water.
Claims17
A cathode active material comprising:
- crystal water;
- and
- a manganese-based metal oxide,
- wherein the cathode active material includes a first crystal phase having a two-dimensional crystal structure and a second crystal phase having a three-dimensional crystal structure, and
- wherein the three-dimensional crystal structure is formed by a combination of manganese in the manganese-based metal oxide and oxygen in the crystal water.
Dependencies are inferred from the claim text.