High-entropy alloy coating material and its manufacturing method
AssigneeINNOTION TECH Co., Ltd.
InventorsJeong Ki Hong, In Ki Hong, Myoung Ki Hong, Min Seok Park
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Abstract
The objective of the present invention is to design a novel coating material applied to the surface of industrial rollers used in the manufacturing process of secondary batteries and to provide a method for forming the coating material. In accordance with this objective, the present invention provides a roller surface coating material composed of Ni—Co—Cr—Si—N, utilizing a high-entropy alloy target containing Ni—Co—Cr—Si.
Claims22
A coating material applied to a surface of an industrial roller, comprising a high-entropy alloy NiaCobCrcSidCf,
- wherein 3<a<10, 3<b<10, 3<c<10, 5<d<15, 55<f<86, and a+b+c+d+f=100, wherein the industrial roller is a roller for manufacturing an electrode comprising an NCM (Ni, Co, Mn) cathode material for a secondary battery.
A coating material applied to a surface of an industrial roller comprising a high-entropy alloy NiaCobCrcSidNe, where:
- 5<a<15, 5<b<15, 5<c<15, 25<d<40, 25<e<35, and a+b+c+d+e=100, wherein the industrial roller is a roller for manufacturing an electrode comprising an NCM (Ni, Co, Mn) cathode material for a secondary battery.
A coating material applied to a surface of an industrial roller, comprising:
- a first buffer layer made of a Ni—Co—Cr—Si—C alloy,
- a second buffer layer made of a Ni—Co—Cr—Si—C alloy formed on top of the first buffer layer, and
- a top layer formed on the second buffer layer, comprising a high-entropy alloy represented by NiaCobCrcSidCf, where 3<a<10, 3<b<10, 3<c<10, 5<d<15, 55<f<86, and a+b+c+d+f=100, wherein the industrial roller is for manufacturing an electrode comprising NCM (Ni, Co, Mn) cathode active material, used in a secondary battery.
A coating material applied to a surface of an industrial roller, comprising a high-entropy alloy NiaCobCrcSid, where:
- 17≤a≤25, 17≤b≤25, 17≤c≤25, 25≤d≤49, and a+b+c+d=100, wherein the industrial roller is for manufacturing an electrode-comprising NCM (Ni, Co, Mn) cathode active material, used in a secondary battery.
A high-entropy alloy target, comprising Ni:
- 17-25%, Co:
- 17-25%, Cr:
- 17-25%, and Si:
- 25-49%, wherein the high-entropy alloy target is manufactured using one of the following methods:
- casting, sintering, or alloy powder production through atomization followed by sintering, and the high-entropy alloy target is used in a method for forming a coating material on a surface of an industrial roller by generating plasma inside a chamber supplied with inert gas and hydrocarbon gas, or nitrogen and inert gas wherein the coating material comprises a high-entropy alloy represented by NiaCobCrcSidCf, where 3<a<10, 3<b<10, 3<c<10, 5<d<15, 55<f<86, and a+b+c+d+f=100, or by NiaCobCrcSidNe, where 5<a<15, 5<b<15, 5<c<15, 25<d<40, 25<e<35, and a+b+c+d+e=100.
Dependencies are inferred from the claim text.