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US 12,516,445 B2Granted
Crucible and crucible assembly, for preparing cathode active material
AssigneeSm Lab Co., Ltd.
InventorsMin Ho Seo, Ji Young Kim
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a crucible assembly for producing a cathode active material. The crucible assembly includes a first crucible having an open top and an internal space and a second crucible disposed below the first crucible and having an incision groove with an open area at an upper portion of each sidewall.
Claims5
A crucible assembly for producing a cathode active material, the crucible assembly comprising:
- a first crucible having an open top and an inner space;
- and
- a second crucible disposed under the first crucible and having an incision groove with an open area at an upper portion of each sidewall,
- wherein the open area of the incision groove satisfies the equation below:
- A
- o
- A
- T
- ≥
- 0
- .
- 0
-
- 5
- [
- Equation
- ]
- wherein AO is the open area of the incision groove, and AT is a sidewall area of the second crucible,
- wherein at least one of the first crucible and the second crucible includes a compound represented by the following Formula:
- xAl2O3·yMgO·zSiO2,
- where (0.9<x<1, 0<y<0.1, 0<z<0.1, and x+y+z=1).
18 more elements
A crucible for producing a cathode active material, the crucible having an inner space defined by a bottom and sidewalls and comprising:
- an incision groove in an upper portion of each of the sidewalls and having an open area, wherein
- the open area of the incision groove satisfies Equation below:
- A
- o
- A
- T
- ≥
- 0
- .
- 0
-
- 5
- [
- Equation
- ]
- wherein AO is the open area of the incision groove, and
- AT is a sidewall area of the crucible,
- wherein the crucible includes a compound represented by the following Formula:
- xAl2O3·yMgO·zSiO2,
- where (0.9<x<1, 0<y<0.1, 0<z<0.1, and x+y+z=1).
17 more elements
Dependencies are inferred from the claim text.