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1.发明授权Porous silicon particles and complex porous silicon particles, and method for producing both 有权多孔硅颗粒和复合多孔硅颗粒及其制造方法公开(公告)号：US08980428B2
公开(公告)日：2015-03-17
申请号：US13797326
申请日：2013-03-12
发明人： Hirokazu Yoshida , Kazutomi Miyoshi , Kazuhiko Kurusu , Toshio Tani , Koji Hataya , Takeshi Nishimura , Hidemi Kato , Takeshi Wada
CPC分类号： H01M4/0495 , H01M4/364 , H01M4/386 , Y10T428/131 , Y10T428/2982 , Y10T428/2991 , Y10T428/2993
摘要： Porous silicon particles and complex porous silicon particles suitable for negative electrode materials etc. for lithium-ion batteries, which achieve high capacity and good cycling characteristics, are provided. Porous silicon particles formed by the joining of a plurality of silicon microparticles, and having an average particle diameter of 0.1 μm to 1000 μm, a three-dimensional network structure having continuous gaps, an average porosity of 15 to 93%, and a structure in which the particles of a whole particle are uniform. Complex porous silicon particles formed by the joining of a plurality of silicon microparticles and a plurality of silicon compound particles, and characterized by containing a compound of silicon and composite elements, having an average particle diameter of 0.1 μm to 1000 μm, and having a three-dimensional network structure having continuous gaps.
摘要翻译： 提供适用于实现高容量和良好循环特性的锂离子电池的负极材料等的多孔硅粒子和复合多孔硅粒子。 通过多个硅微粒的接合形成的平均粒径为0.1μm〜1000μm的多孔硅颗粒，具有连续间隙的三维网状结构，平均孔隙率为15〜93％，结构为 整个颗粒的颗粒是均匀的。 通过接合多个硅微粒和多个硅化合物颗粒形成的复合多孔硅颗粒，其特征在于，含有平均粒径为0.1μm至1000μm的硅和复合元素的化合物，并具有三 具有连续间隙的维度网络结构。
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公开(公告)号：US10682608B2
公开(公告)日：2020-06-16
申请号：US15870426
申请日：2018-01-12
发明人： Yoshikazu Tsuzuki , Kenji Iizuka , Mariko Wakae , Kazuhiko Kurusu
IPC分类号： B01J23/72 , B01J23/75 , B01J23/755 , B01J23/89 , B01J35/02 , B82Y30/00 , B01D53/94 , B01J37/08 , B01J37/02 , B01J35/04 , B01J35/00
摘要： A catalyst includes: a base material; and a nanocrystalline metal oxide composite having a plurality of accumulated flake-like nanocrystalline pieces in a connected state on the surface of the base material, the flake-like nanocrystalline pieces containing a metal oxide to accumulate, wherein the nanocrystalline metal oxide composite is configured such that an end surface of at least one of the nanocrystalline pieces is connected; the nanocrystalline pieces include a plurality of stacked surfaces stacked in a direction in which a main surface becomes an uppermost stacked surface; and when metal atoms or oxygen atoms forming the metal oxide are regarded as main constituent atoms, a proportion by number of the main constituent atoms to the metal atoms and the oxygen atoms forming the metal oxide existing on each stacked surface is 80% or more, and the main constituent atoms have a specific crystal orientation which changes in each stack.
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公开(公告)号：US20180134550A1
公开(公告)日：2018-05-17
申请号：US15870450
申请日：2018-01-12
发明人： Yoshikazu Tsuzuki , Kenji Iizuka , Mariko Wakae , Kazuhiko Kurusu
IPC分类号： C01B3/00 , B01J23/42 , B01J23/44 , B01J23/46 , B01J23/50 , B01J23/52 , B01J23/72 , B01J23/755 , B01J23/94
摘要： The present disclosure provides that a catalyst exhibits excellent catalytic activity in both a hydrogenation involving a hydrogen-storing body containing an aromatic compound, and a dehydrogenation involving a hydrogen-supplying body containing a hydrogen derivative of the aromatic compound, wherein the catalyst contains a nanocrystalline composite having two or more accumulated flake-like nanocrystalline pieces in a connected state, the flake-like nanocrystalline pieces each having a main surface and an end surface, and in that the nanocrystalline composite is configured such that, when two adjacent nanocrystalline pieces are viewed, an end surface of at least one of the nanocrystalline pieces is connected.
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公开(公告)号：US20180133649A1
公开(公告)日：2018-05-17
申请号：US15870426
申请日：2018-01-12
发明人： Yoshikazu Tsuzuki , Kenji Iizuka , Mariko Wakae , Kazuhiko Kurusu
摘要： A catalyst includes: a base material; and a nanocrystalline metal oxide composite having a plurality of accumulated flake-like nanocrystalline pieces in a connected state on the surface of the base material, the flake-like nanocrystalline pieces containing a metal oxide to accumulate, wherein the nanocrystalline metal oxide composite is configured such that an end surface of at least one of the nanocrystalline pieces is connected; the nanocrystalline pieces include a plurality of stacked surfaces stacked in a direction in which a main surface becomes an uppermost stacked surface; and when metal atoms or oxygen atoms forming the metal oxide are regarded as main constituent atoms, a proportion by number of the main constituent atoms to the metal atoms and the oxygen atoms forming the metal oxide existing on each stacked surface is 80% or more, and the main constituent atoms have a specific crystal orientation which changes in each stack.
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公开(公告)号：US11591235B2
公开(公告)日：2023-02-28
申请号：US16751075
申请日：2020-01-23
发明人： Yoshikazu Tsuzuki , Mariko Wakae , Kazuhiko Kurusu , Hideki Abe
IPC分类号： C01G3/02 , C01B13/26 , C01F17/235 , C01F17/247 , C01B13/36
摘要： The present disclosure relates to a method for producing metal oxide nanoparticles includes a first step of preparing a reaction solution containing a metal complex, an alcohol, and water; a second step of heating the reaction solution for phase-separation under a hermetically sealed atmosphere where the volumetric expansion ratio of the reaction solution reaches 5 to 15%; a third step of holding the reaction solution heated in the second step for 30 minutes or more for dehydrating the metal complex to precipitate the metal oxide nanoparticles; and a fourth step of collecting the metal oxide nanoparticles after the metal oxide nanoparticles are cooled.
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公开(公告)号：US11958756B2
公开(公告)日：2024-04-16
申请号：US16563180
申请日：2019-09-06
发明人： Yoshikazu Tsuzuki , Mariko Wakae , Kazuhiko Kurusu
CPC分类号： C01G3/02 , B01D53/86 , B01J23/72 , B01J23/76 , B01J35/006 , B01J35/1004 , C09K5/14 , B01D2255/207 , B82Y30/00 , C01P2002/74 , C01P2004/61 , C01P2004/64 , C01P2006/12
摘要： An object of the present disclosure is to provide a thin-film-like composite of nanocrystal, as a nanocrystalline material having excellent handling properties, which can overcome the above-mentioned problems of a nanocrystalline material having a powdery form while satisfactorily maintaining the properties of the nanocrystalline material (e.g., excellent catalytic activity). A thin-film-like composite of nanocrystal, characterized in that the thin-film-like composite of nanocrystal includes a thin-film-like connected assembly in which a plurality of nanocrystalline pieces each having a flake-like form and having a main surface and an end surface are connected to each other, the main surfaces of the plurality of nanocrystalline pieces exposed to the outside of the connected assembly are arranged so as to form gaps therebetween, and the connected assembly has a plan view area of 1 mm2 or more.
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公开(公告)号：US10584030B2
公开(公告)日：2020-03-10
申请号：US15870450
申请日：2018-01-12
发明人： Yoshikazu Tsuzuki , Kenji Iizuka , Mariko Wakae , Kazuhiko Kurusu
IPC分类号： C01B3/00 , B01J23/94 , B01J23/755 , B01J23/96 , C01B3/26 , B01J38/02 , B01J35/02 , B01J23/89 , B01J23/42 , B01J23/44 , B01J23/46 , B01J23/50 , B01J23/52 , B01J23/72
摘要： The present disclosure provides that a catalyst exhibits excellent catalytic activity in both a hydrogenation involving a hydrogen-storing body containing an aromatic compound, and a dehydrogenation involving a hydrogen-supplying body containing a hydrogen derivative of the aromatic compound, wherein the catalyst contains a nanocrystalline composite having two or more accumulated flake-like nanocrystalline pieces in a connected state, the flake-like nanocrystalline pieces each having a main surface and an end surface, and in that the nanocrystalline composite is configured such that, when two adjacent nanocrystalline pieces are viewed, an end surface of at least one of the nanocrystalline pieces is connected.
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