Apparatus for manufacturing cathode active material for lithium ion secondary batteries, and method of manufacturing cathode active material for lithium ion secondary batteries
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTomohiro YOKOYAMA
Life of this patent
Estimating the term…
Abstract
Provided is apparatus for manufacturing a cathode active material for lithium ion secondary batteries which can improve productivity. The apparatus for manufacturing a cathode active material for lithium ion secondary batteries includes: a conveying device conveying a cathode active material raw material that contains a metallic compound and a lithium compound; and a heating unit adapted to heat the cathode active material raw material, wherein the heating unit has at least one heating roller adapted to heat the cathode active material raw material by heat conduction, and said at least one heating roller has a wrap angle larger than 180° and at most 360°.
Claims14
Apparatus for manufacturing a cathode active material for lithium ion secondary batteries, the apparatus comprising:
- a conveying device conveying a cathode active material raw material that contains a metallic compound and a lithium compound, the metallic compound including at least one metallic element selected from the group consisting of nickel, cobalt, and manganese;
- and
- a heating unit adapted to heat the cathode active material raw material, wherein
- the heating unit has at least one heating roller adapted to heat the cathode active material raw material by heat conduction, and
- said at least one heating roller has a wrap angle larger than 180° and at most 360°.
A method of manufacturing a cathode active material for lithium ion secondary batteries, the method comprising:
- preparing a cathode active material raw material by mixing a metallic compound and a lithium compound, the metallic compound including at least one metallic element selected from the group consisting of nickel, cobalt, and manganese, and obtaining the cathode active material raw material;
- and
- heating the cathode active material raw material, wherein
- in the heating, the cathode active material raw material is conveyed and heated by heat conduction at the same time using at least one heating roller, and
- said at least one heating roller has a wrap angle larger than 180° and at most 360°.
Dependencies are inferred from the claim text.