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公开(公告)号:US11369048B2
公开(公告)日:2022-06-21
申请号:US16636742
申请日:2018-07-25
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Mika Okada , Katsushi Ono , Satoshi Yoshio , Kenji Adachi , Keisuke Machida
Abstract: Electromagnetic wave absorbing particles are provided that include hexagonal tungsten bronze having oxygen deficiency, wherein the tungsten bronze is expressed by a general formula: MxWO3-y(where one or more elements M include at least one or more species selected from among K, Rb, and Cs, 0.15≤x≤0.33, and 0
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公开(公告)号:US11136241B2
公开(公告)日:2021-10-05
申请号:US16489480
申请日:2017-11-22
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Kenji Adachi , Satoshi Yoshio
Abstract: Heat ray shielding fine particles contain calcium lanthanum boride fine particles represented by a general formula CaxLa1-xBm, a shape of each fine particle of the calcium lanthanum boride fine particles satisfies at least one of the following: 1) when scattering intensity of the calcium lanthanum boride fine particles diluted and dispersed in a solvent is measured using small-angle X-ray scattering, value Ve of a slope of a straight line is −3.8≤Ve≤−1.5, 2) the particle shape is a flat cylindrical shape, or a flat spheroidal (wherein a length of a long axis is d and a length of a short axis is h) shape, with a value of aspect ratio d/h being 1.5≤d/h≤20.
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公开(公告)号:US12298543B2
公开(公告)日:2025-05-13
申请号:US17759651
申请日:2021-01-28
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Kenji Adachi , Satoshi Yoshio , Masao Wakabayashi
Abstract: An electromagnetic wave absorbing particle dispersion includes electromagnetic wave absorbing particles containing cesium tungsten oxide represented by a general formula CsxW1-yO3-z and having a crystal structure of an orthorhombic crystal structure or a hexagonal crystal structure, x, y, and z being 0.2≤x≤0.4, 0
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公开(公告)号:US11235558B2
公开(公告)日:2022-02-01
申请号:US16647864
申请日:2018-09-14
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Kenji Adachi , Satoshi Yoshio
Abstract: A solar radiation shielding laminated structure, having high visible light transmission property and solar radiation shielding property, low haze value, and high environmental stability with inexpensive production cost, using solar radiation shielding fine particles having high visible light transmission property and excellent solar shielding property and weather resistance, and provides a solar radiation shielding laminated structure in which an interlayer is sandwiched between two laminated sheets; the interlayer having, as an intermediate film, one or more kinds selected from a resin sheet containing solar radiation shielding fine particles and a resin film containing solar radiation shielding fine particles, the laminated sheets being selected from a sheet-glass not containing solar radiation shielding fine particles and a resin board not containing solar radiation shielding fine particles; wherein the solar radiation shielding fine particles are solar radiation shielding fine particles containing calcium lanthanum boride fine particles represented by general formula CaxLa1-xBm.
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公开(公告)号:US10823891B2
公开(公告)日:2020-11-03
申请号:US16086788
申请日:2017-03-28
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Keisuke Machida , Kenji Adachi , Satoshi Yoshio
Abstract: An infrared-absorbing material is provided, the infrared-absorbing material including at least one kind of transition metal; and at least one kind of element selected from B, C, N, O, etc., as a ligand of the transition metal, wherein at a bottom part of a conduction band, a bottom band of the conduction band is formed, the bottom band of the conduction band being a band occupied by d orbitals of the transition metal or a band in which the d orbitals of the transition metal and p orbitals of the ligand are hybridized, at a top part of a valence band, a top band of the valence band is formed, the top band of the valence band being a band occupied by the p orbitals of the ligand or a band in which the p orbitals of the ligand and the d orbitals of the transition metal are hybridized, in two wavenumber directions or less, which are highly symmetric points in a Brillouin zone, the bottom band of the conduction band and the top band of the valence band are close to each other by less than 3.0 eV, in another wavenumber direction excluding the wavenumber direction in which the bottom band of the conduction band and the top band of the valence band are close to each other by less than 3.0 eV, a wide band gap structure, in which a band gap is 3.0 eV or more, is formed, and a plasma frequency is 2.5 eV or more and 10.0 eV or less.
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公开(公告)号:US10361433B2
公开(公告)日:2019-07-23
申请号:US15527411
申请日:2015-11-13
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Koji Yamaji , Ryozo Ushio , Takehide Honma , Satoshi Yoshio
Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery contains lithium nickel cobalt zinc composite oxide represented by general formula (1): LiwNi1-x-y-zCoxZnyMzO2 (0.95≤w≤1.10, 0.05≤x≤0.3, 0.005≤y≤0.08, and 0≤z≤0.3, where M is at least one metal element selected from the group consisting of Mg, Al, Ti, Mn, Fe, and Cu), wherein the lithium nickel cobalt zinc composite oxide has a form of secondary particles each corresponding to an aggregation of primary particles of hexagonal lithium-containing composite oxide with a layered structure, contains zinc oxide on at least a part of a surface of the primary particles and/or a surface of the secondary particles, and has a (003)-plane crystallite diameter of 100 nm or larger and 160 nm or smaller, the diameter being obtained by X-ray diffraction and the Scherrer equation.
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公开(公告)号:US20180331358A1
公开(公告)日:2018-11-15
申请号:US15527411
申请日:2015-11-13
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Koji Yamaji , Ryozo Ushio , Takehide Honma , Satoshi Yoshio
IPC: H01M4/525 , H01M4/36 , C01G53/00 , H01M10/0525
CPC classification number: H01M4/525 , C01G9/02 , C01G53/00 , C01G53/42 , C01G53/50 , C01P2002/60 , C01P2004/32 , C01P2004/50 , C01P2004/61 , C01P2004/84 , C01P2006/40 , H01M4/366 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery contains lithium nickel cobalt zinc composite oxide represented by general formula (1): LiwNi1-x-y-zCoxZnyMzO2(0.95≤w≤1.10, 0.05≤x≤0.3, 0.005≤y≤0.08, and 0≤z≤0.3, where M is at least one metal element selected from the group consisting of Mg, Al, Ti, Mn, Fe, and Cu), wherein the lithium nickel cobalt zinc composite oxide has a form of secondary particles each corresponding to an aggregation of primary particles of hexagonal lithium-containing composite oxide with a layered structure, contains zinc oxide on at least a part of a surface of the primary particles and/or a surface of the secondary particles, and has a (003)-plane crystallite diameter of 100 nm or larger and 160 nm or smaller, the diameter being obtained by X-ray diffraction and the Scherrer equation.
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公开(公告)号:US12275648B2
公开(公告)日:2025-04-15
申请号:US18248583
申请日:2021-10-13
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Kenji Adachi , Masao Wakabayashi , Satoshi Yoshio , Hirofumi Tsunematsu
Abstract: Near-infrared absorbing particles that includes a cesium tungstate is provided. In the near-infrared absorbing particles, the cesium tungstate has a pseudo hexagonal crystal structure modulated to one or more crystal structures selected from orthorhombic crystal, rhombohedral crystal, and cubic crystal. The cesium tungstate is represented by a general formula CsxWyOz, and has a composition within a region surrounded by four straight lines of x=0.6y, z=2.5y, y=5x, and Cs2O:WO3=m:n (m and n are integers) in a ternary composition diagram with Cs, W, and O at each vertex.
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公开(公告)号:US11533832B2
公开(公告)日:2022-12-20
申请号:US16636371
申请日:2018-07-25
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Mika Okada , Katsushi Ono , Satoshi Yoshio , Kenji Adachi , Keisuke Machida
Abstract: An electromagnetic wave absorbing particle dispersoid is provided that includes at least electromagnetic wave absorbing particles and a thermoplastic resin, wherein the electromagnetic wave absorbing particles contain hexagonal tungsten bronze having oxygen deficiency, wherein the tungsten bronze is expressed by a general formula: MxWO3-y (where one or more elements M include at least one or more species selected from among K, Rb, and Cs, 0.15≤x≤0.33, and 0
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公开(公告)号:US11512182B2
公开(公告)日:2022-11-29
申请号:US16647674
申请日:2018-09-14
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor: Kenji Adachi , Satoshi Yoshio
Abstract: A solar radiation shielding fine particle dispersion body containing a thermoplastic resin, solar radiation shielding fine particles, a solar radiation shielding fine particle-containing masterbatch, a solar radiation shielding resin formed body formed into a predetermined shape using the same, and a solar radiation shielding resin laminate including the solar radiation shielding resin formed body stacked on another transparent formed body. A liquid solar radiation shielding fine particle dispersion body, including a mixture of solar radiation shielding fine particles and at least one selected from an organic solvent and a plasticizer dispersed therein or a solar radiation shielding fine particles including a powder solar radiation shielding fine particles dispersion body, obtained by removing a liquid component from the solar radiation fine particle dispersion body upon heating, dispersed in a resin component, wherein the solar radiation shielding fine particles are solar radiation shielding fine particles containing calcium lanthanum boride fine particles.
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