Patent
US 10,826,054silane coupling agent with amino group and alkoxysilyl group
acetylene black
carbon nanofibers
graphene oxide
lithium nickelate
LiNiO₂
ternary positive electrode active material (NMC)
LiNixMnyCo₁-x-yO₂
ternary positive electrode active material (NCA)
LiNixCoyAl₁-x-yO₂
lithium manganate (spinel)
LiMn₂O₄
lithium cobaltate
LiCoO₂
lithium iron phosphate
LiFePO₄
| — |
element ratio of nitrogen to carbon (N/C ratio, XPS) | 0.02–0.05 dimensionless | — |
element ratio of lithium to carbon (Li/C ratio, XPS) | 0.02–0.09 dimensionless | — |
particle diameter (D50) of positive electrode active material | ≤ 20 μm | positive electrode active material containing lithium and nickel |
thickness of graphene | ≤ 100 nm | graphene |
— | 526–538 eV | — |
— | 282–296 eV | — |
— | 100–107 eV | — |
— | 396–406 eV | — |
— | 45–80 eV | — |
— | 102–103 eV | — |
Pressure | ≤ 0.1 pa | — |
silane coupling agent with amino group and alkoxysilyl group
acetylene black
carbon nanofibers
graphene oxide
lithium nickelate
LiNiO₂
ternary positive electrode active material (NMC)
LiNixMnyCo₁-x-yO₂
ternary positive electrode active material (NCA)
LiNixCoyAl₁-x-yO₂
lithium manganate (spinel)
LiMn₂O₄
lithium cobaltate
LiCoO₂
lithium iron phosphate
LiFePO₄
| — |
element ratio of nitrogen to carbon (N/C ratio, XPS) | 0.02–0.05 dimensionless | — |
element ratio of lithium to carbon (Li/C ratio, XPS) | 0.02–0.09 dimensionless | — |
particle diameter (D50) of positive electrode active material | ≤ 20 μm | positive electrode active material containing lithium and nickel |
thickness of graphene | ≤ 100 nm | graphene |
— | 526–538 eV | — |
— | 282–296 eV | — |
— | 100–107 eV | — |
— | 396–406 eV | — |
— | 45–80 eV | — |
— | 102–103 eV | — |
Pressure | ≤ 0.1 pa | — |
silane coupling agent with amino group and alkoxysilyl group
acetylene black
carbon nanofibers
graphene oxide
lithium nickelate
LiNiO₂
ternary positive electrode active material (NMC)
LiNixMnyCo₁-x-yO₂
ternary positive electrode active material (NCA)
LiNixCoyAl₁-x-yO₂
lithium manganate (spinel)
LiMn₂O₄
lithium cobaltate
LiCoO₂
lithium iron phosphate
LiFePO₄
| — |
element ratio of nitrogen to carbon (N/C ratio, XPS) | 0.02–0.05 dimensionless | — |
element ratio of lithium to carbon (Li/C ratio, XPS) | 0.02–0.09 dimensionless | — |
particle diameter (D50) of positive electrode active material | ≤ 20 μm | positive electrode active material containing lithium and nickel |
thickness of graphene | ≤ 100 nm | graphene |
— | 526–538 eV | — |
— | 282–296 eV | — |
— | 100–107 eV | — |
— | 396–406 eV | — |
— | 45–80 eV | — |
— | 102–103 eV | — |
Pressure | ≤ 0.1 pa | — |
silane coupling agent with amino group and alkoxysilyl group
acetylene black
carbon nanofibers
graphene oxide
lithium nickelate
LiNiO₂
ternary positive electrode active material (NMC)
LiNixMnyCo₁-x-yO₂
ternary positive electrode active material (NCA)
LiNixCoyAl₁-x-yO₂
lithium manganate (spinel)
LiMn₂O₄
lithium cobaltate
LiCoO₂
lithium iron phosphate
LiFePO₄
| — |
element ratio of nitrogen to carbon (N/C ratio, XPS) | 0.02–0.05 dimensionless | — |
element ratio of lithium to carbon (Li/C ratio, XPS) | 0.02–0.09 dimensionless | — |
particle diameter (D50) of positive electrode active material | ≤ 20 μm | positive electrode active material containing lithium and nickel |
thickness of graphene | ≤ 100 nm | graphene |
— | 526–538 eV | — |
— | 282–296 eV | — |
— | 100–107 eV | — |
— | 396–406 eV | — |
— | 45–80 eV | — |
— | 102–103 eV | — |
Pressure | ≤ 0.1 pa | — |