Abstract: The present invention provides a positive electrode active material powder for lithium-ion rechargeable batteries, wherein the positive electrode active material comprises Li, M?, S and O, wherein M? consists of: Ni in a content x between 60.0 mol % and 95.0 mol %, relative to M? Co in a content y between 0.0 mol % and 25.0 mol %, relative to M?, Mn in a content z between 0.0 mol % and 25.0 mol %, relative to M?, W in a content a of 0.05 mol % or more, relative to M? D in a content b between 0.0 mol % and 2.0 mol %, relative to M?, wherein D comprises at least one element of the group consisting of: Al, B, Ba, Ca, Cr, F, Fe, Mg, Mo, Nb, Si, Sr, Ti, Y, V, Zn and Zr, and, wherein x, y, z, a, and b are measured by ICP, wherein x+y+z+a+b is 100.0 mol %, wherein the positive electrode active material comprises soluble sulfur in a content of 0.30 mol % or more, relative to M?.

Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particle comprising the elements: Li, M? and oxygen, wherein M? has a formula: M?=NizMnyCoxAk, wherein A is a dopant, 0.80?z?0.90, 0.05?y?0.20, 0.05?x?0.20, x+y+z+k=1, and 0?k?0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 ?m to 15 ?m and a surface layer thickness ranging from 10 nm to 200 nm, said surface layer comprising sulfate ion (SO42?) in a content superior or equal to 6.78·z?4.83 wt % and inferior or equal to 6.78·z?4.33 wt % with respect to the total weight of the positive electrode active material.

Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, a metal M? and oxygen, wherein the metal M? has a formula: M?=(Niz(Ni0.5Mn0.5)yCox)1-kAk, wherein A is a dopant, 0.60?z?0.86, 0.05?y?0.20, 0.05?x?0.20, x+y+z+k=1, and k?0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 ?m to 15 ?m and a surface layer thickness ranging from 10 nm to 200 nm, said surface layer comprising: sulfur in a content superior or equal to 0.150 wt % and inferior or equal to 0.375 wt % with respect to the total weight of the positive electrode active material powder, and aluminum in a content superior or equal to 0.05 wt % and inferior or equal to 0.

Abstract: 1. A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, M? and oxygen, wherein M? has a formula: M?=NizMnyCoxAk, wherein A is a dopant, 0.60?z?0.89, 0.05?y?0.20, 0.05?x?0.20, x+y+z+k=1, and k?0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 ?m to 15 ?m, a span ranging from 0.25 to 0.90, and a surface layer thickness ranging from 10 nm to 200 nm, said surface layer comprising: sulfur in a content superior or equal to 0.150 wt % and inferior or equal to 0.375 wt % with respect to the total weight of the positive electrode active material powder, and aluminum in a content superior or equal to 0.05 wt % and inferior or equal to 0.

Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, M? and oxygen, wherein M? has a formula: M?=NizMnyCoxAk, wherein A is a dopant, 0.60?z?0.90, 0.05?y?0.20, 0.05?x?0.20, x+y+z+k=1, and k?0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 ?m to 15 ?m, a span ranging from 0.25 to 0.90, and a surface layer thickness ranging from 10 nm to 200 nm, said surface layer comprising: sulfur in a content superior or equal to 0.150 wt % and inferior or equal to 0.375 wt % with respect to the total weight of the positive electrode active material powder, and sulfate ion (SO42?) in a content superior or equal to 4500 ppm and inferior or equal to 11250 ppm.

Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, M? and oxygen, wherein M? has a formula: M?=NizMnyCoxAk, wherein A is a dopant, 0.60?z?0.86, 0.05?x?0.20, x+y+z+k=1, and k?0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 ?m to 15 ?m and a surface layer thickness ranging from 10 nm to 200 nm, said surface layer comprising: sulfur in a content superior or equal to 0.150 wt % and inferior or equal to 0.375 wt % with respect to the total weight of the positive electrode active material powder, and sulfate ion (SO42?) in a content superior or equal to 4500 ppm and inferior or equal to 11250 ppm.

Abstract: A method of manufacturing a thin-film bonded substrate used for semiconductor devices. The method includes the steps of epitaxially growing an epitaxial growth layer on a first substrate of a bulk crystal, cleaving the first substrate, thereby leaving a crystal thin film on the epitaxial growth layer, the crystal thin film being separated out of the first substrate, and bonding a second substrate to the crystal thin film, the chemical composition of the second substrate being different from the chemical composition of the first substrate. It is possible to preclude a conductive barrier layer of the related art, prevent a reflective layer from malfunctioning due to high-temperature processing, and essentially prevent cracks due to the difference in the coefficients of thermal expansion between heterogeneous materials that are bonded to each other.