公开(公告)号：US6066416A

公开(公告)日：2000-05-23

申请号：US120544

申请日：1998-07-22

Applicant: Yukihiro Okada ,  Kazuhiro Ohta ,  Hiromu Matsuda ,  Yoshinori Toyoguchi

Inventor： Yukihiro Okada ,  Kazuhiro Ohta ,  Hiromu Matsuda ,  Yoshinori Toyoguchi

IPC: C01G53/00 ,  H01M4/52 ,  H01M4/32

CPC classification number: C01G53/00 ,  C01G53/04 ,  H01M4/52 ,  C01P2002/50 ,  C01P2004/45 ,  C01P2006/40 ,  H01M2300/0014

Abstract: A positive electrode active material and a positive electrode for an alkaline storage battery are disclosed which exhibit high charge efficiency at a high temperature. The positive electrode active material comprises particles formed by agglomeration of crystals of nickel hydroxide active material, at least the surface layer of the particles containing a solid solution nickel hydroxide with manganese incorporated therein. The solid solution is present as crystals growing on the crystal surface of said nickel hydroxide active material and/or crystals independent of crystals of the nickel hydroxide active material. The content of manganese in the solid solution is at least one mole percent on the whole metal ions in the solid solution and not higher than 10 mole percent on the combined total amount of the metal ions in the nickel hydroxide active material and the solid solution. The positive electrode for an alkaline storage battery contains the above-mentioned active material and a compound of at least one element selected from the group consisting of Ca, Sr, Ba, Cu, Ag, Cd, Y and Yb.

Abstract translation: 公开了一种在高温下表现出高充电效率的正极活性物质和碱性蓄电池用正极。 正极活性物质包括由氢氧化镍活性物质的晶体聚集形成的颗粒，至少含有其中掺入锰的固溶体氢氧化镍的颗粒的表面层。 固体溶液以不依赖于氢氧化镍活性物质晶体的氢氧化镍活性物质和/或晶体的晶体表面生长的晶体存在。 固溶体中的锰含量相对于固溶体中的全部金属离子为至少1摩尔％，并且不高于氢氧化镍活性物质和固溶体中的金属离子总量的10摩尔％。 碱性蓄电池用正极含有上述活性物质和选自Ca，Sr，Ba，Cu，Ag，Cd，Y和Yb中的至少一种元素的化合物。

公开(公告)号：US5665325A

公开(公告)日：1997-09-09

申请号：US450512

申请日：1995-05-26

Applicant: Johannes Petrus Verduijn

Inventor： Johannes Petrus Verduijn

IPC: B01J20/18 ,  B01J29/035 ,  B01J29/06 ,  B01J29/08 ,  B01J29/40 ,  B01J29/50 ,  B01J29/70 ,  B01J29/80 ,  B01J29/89 ,  C01B37/02 ,  C01B39/00 ,  C01B39/02 ,  C01B39/04 ,  C01B39/08 ,  C01B39/22 ,  C01B39/24 ,  C01B39/30 ,  C01B39/34 ,  C01B39/38 ,  C01B39/40 ,  C01B39/36 ,  C01B39/42

CPC classification number: C01B39/026 ,  B01J20/183 ,  B01J29/40 ,  B01J29/80 ,  C01B33/185 ,  C01B33/2838 ,  C01B33/2876 ,  C01B39/02 ,  B01J2229/42 ,  B01J29/084 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/38 ,  C01P2004/45 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/19 ,  C01P2006/80 ,  Y10S423/21 ,  Y10S423/22 ,  Y10S423/26 ,  Y10S423/27 ,  Y10S423/33 ,  Y10S423/35 ,  Y10S423/36 ,  Y10S423/38

Abstract: Silica-bound extruded zeolites may be converted into binder-free zeolite aggregates by aging the zeolite in an aqueous ionic solution which contains hydroxy ions such that the initial molar ratio of OH.sup.- :SiO.sub.2 is up to 1.2 and which causes the silica binder to be converted substantially to zeolite of the type initially bound. Such extrudates have excellent mechanical strength and show advantageous properties such as adsorption comparable with non-extruded zeolite powder.

Abstract translation: 通过在含有羟基离子的离子水溶液中老化沸石使得二氧化硅结合的挤出沸石可以转化为无粘结剂的沸石聚集体，使得OH-：SiO 2的初始摩尔比高达1.2，并且使二氧化硅粘合剂为 基本上转化为最初结合类型的沸石。 这种挤出物具有优异的机械强度，并且显示出与非挤出沸石粉末相当的有利性质，例如吸附。

公开(公告)号：US4397824A

公开(公告)日：1983-08-09

申请号：US212640

申请日：1980-12-03

Applicant: Gregg G. Butler ,  George M. Gillies ,  Thomas J. Heal ,  James E. Littlechild

Inventor： Gregg G. Butler ,  George M. Gillies ,  Thomas J. Heal ,  James E. Littlechild

IPC: C01G43/01 ,  C01G43/025 ,  C01G56/00

CPC classification number: C01G43/025 ,  C01G43/01 ,  C01P2004/45 ,  C01P2004/50

Abstract: In a process for the conversion of uranium hexafluoride to an uranium oxide by injecting uranium hexafluoride and dry steam into a first region of a vessel so as to form a plume of particles of uranyl fluoride and reacting the uranyl fluoride in a second region of the vessel with a countercurrent flow of steam and/or hydrogen the operation of the process is such that a major proportion of the uranyl fluoride is caused to circulate within the first region so that the original uranyl fluoride particles are able to grow and agglomerate in a dendritic manner.

Abstract translation: 在通过将六氟化铀和干蒸汽注入到容器的第一区域中以将六氟化铀转化为氧化铀的方法中，以形成铀酰氟化物颗粒的羽流并使该二氧化铀在该容器的第二区域中反应 具有逆流的蒸汽和/或氢气，该方法的操作使得主要部分的铀氧氟化物在第一区域内循环，使得原始的铀酰氟化物颗粒能够以树枝状方式生长和附聚 。

公开(公告)号：US12129182B2

公开(公告)日：2024-10-29

申请号：US17345121

申请日：2021-06-11

Applicant: Pacific Industrial Development Corporation

Inventor： Anatoly Bortun ,  David Shepard ,  Jin Cho ,  Mila Bortun ,  Yunkui Li ,  Wei Wu ,  Jeffery Lachapelle

IPC: C01G25/00 ,  B82Y30/00 ,  B82Y40/00 ,  F01N3/10

CPC classification number: C01G25/006 ,  F01N3/101 ,  B82Y30/00 ,  B82Y40/00 ,  C01P2004/03 ,  C01P2004/45 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/14

Abstract: A nanocrystal-sized cerium-zirconium mixed oxide material includes at least 30% by mass zirconium oxide; between 5% to 55% by mass cerium oxide; and a total of 25% or less by mass of at least one oxide of a rare earth metal selected from the group of lanthanum, neodymium, praseodymium, or yttrium. The nanocrystal-sized cerium-zirconium mixed oxide exhibits hierarchically ordered aggregates having a d50 particle size less than 1.5 μm and a total pore volume after calcination at a temperature of 600° C. or more that is at least 0.7 cm3/g with a fraction of pores between 2 nm to 10 nm being less than 15%. The nanocrystal-sized cerium-zirconium mixed oxide material is prepared using a co-precipitation method followed by milling the dried and calcined oxide material. The nanocrystal-sized cerium-zirconium mixed oxide material forms a particulate filter that may be used in an exhaust system arising from a gas or diesel engine.

公开(公告)号：US20240190722A1

公开(公告)日：2024-06-13

申请号：US18528830

申请日：2023-12-05

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kazuki Chiba ,  Takashi Hakari ,  Akihisa Tanaka ,  Kazumasa Sakatsume ,  Yoshiya Fujiwara ,  Yoshiyuki Morita

IPC: C01G53/00 ,  H01M10/052

CPC classification number: C01G53/50 ,  H01M10/052 ,  C01P2002/86 ,  C01P2004/45 ,  C01P2006/40

Abstract: The present invention relates to a lithium nickel manganese composite oxide which includes secondary particles in which a plurality of primary particles are aggregated with each other, and is represented by General Formula (1): LixNiyMnzO2 (in Formula (1), x is 1.0≤x≤1.07, y is 0.45≤y≤0.55, z is 0.45≤z≤0.55, and 1.0≤z/y≤1.22 is satisfied), wherein Li contained in a transition metal layer does not form LiMn6, wherein the lithium nickel manganese composite oxide has a manganese-rich layer from a surface of the secondary particles toward an inside of the secondary particles, wherein a ratio of a number of Mn atoms to a number of Ni atoms (Mn/Ni ratio) in the manganese-rich layer is 1.0 or more and 3.0 or less, and wherein the lithium nickel manganese composite oxide has a space group R-3m, an a-axis lattice constant of 2.87 Å to 2.90 Å, and a c-axis lattice constant of 14.28 Å to 14.32 Å.

公开(公告)号：US20240018010A1

公开(公告)日：2024-01-18

申请号：US18265099

申请日：2020-12-02

Applicant: BESTR CO., LTD.

Inventor： Jeong Min SHIN ,  Jong In NA

IPC: C01G41/02 ,  C01B32/949 ,  B22F9/20 ,  C01G41/00

CPC classification number: C01G41/02 ,  C01B32/949 ,  B22F9/20 ,  C01G41/00 ,  C01P2004/45 ,  C01P2004/50 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/32 ,  C01P2004/10 ,  C01P2004/51 ,  C01P2002/02 ,  C01P2002/74

Abstract: The present invention provides an amorphous tungstic acid fusion formed by agglomerating primary particles of tungstic acid, wherein the amorphous tungstic acid fusion has a grape-bunch-shaped structure formed therein as the primary particles of tungstic acid are interconnected. According to one embodiment of the present invention, eco-friendly and low-cost process technology can be provided that attains a reduction in process cost and a significant decrease in air and water pollutant emissions by not proceeding with an ATP process.

公开(公告)号：US11840454B2

公开(公告)日：2023-12-12

申请号：US17525497

申请日：2021-11-12

Applicant: CLEMSON UNIVERSITY

Inventor： Srikanth Pilla ,  Morteza Sabet ,  Apparao M. Rao ,  Nancy Chen

IPC: C01B33/20 ,  C01B33/149 ,  H01M4/86 ,  H01M4/38 ,  B82Y30/00

CPC classification number: C01B33/149 ,  C01B33/20 ,  H01M4/386 ,  H01M4/8626 ,  B82Y30/00 ,  C01P2004/45 ,  C01P2006/12 ,  C01P2006/14

Abstract: Methods for synthesis of high surface area porous silicon-based materials and structures that can be formed according to the methods are described. Methods are scalable and capable of producing large quantities of the high surface area materials with high efficiency. The high surface area products can be in the form of a 3D network of interconnected arms or quills with multimodal porosity including high level pores between and among arms, hollow cores of the arms of the network, and pores through the walls of the arms of the network.

公开(公告)号：US09708770B2

公开(公告)日：2017-07-18

申请号：US15350615

申请日：2016-11-14

Applicant: PACIFIC NANO PRODUCTS, INC.

Inventor： Vijay K Mathur

IPC: D21H19/58 ,  C09C1/00 ,  D21H19/12 ,  D21H19/40

CPC classification number: C09C1/0093 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/45 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/19 ,  C01P2006/22 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/65 ,  D21H19/12 ,  D21H19/385 ,  D21H19/40 ,  D21H19/58 ,  Y10T428/252

Abstract: Paper, paperboard, or label stock coated with a synthetic nano-composite coating. A synthetic nano-composite coating includes a first component including a fibrous structured amorphous silica structure, and a second component including a precipitated calcium carbonate structure developed by pressure carbonation.

公开(公告)号：US09567236B2

公开(公告)日：2017-02-14

申请号：US14775810

申请日：2014-03-14

Applicant: Cristal Inorganic Chemicals Switzerland Ltd

Inventor： Guoyi Fu ,  Mark B. Watson

IPC: C01G23/053 ,  C01G23/047

CPC classification number: C01G23/0538 ,  C01G23/047 ,  C01G23/053 ,  C01G23/0536 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/45 ,  C01P2004/64 ,  C01P2006/12

Abstract: Ordered acicular aggregates of elongated TiO2 crystallites which resemble nano-sized flower bouquets and/or triangular funnels, and process for their preparation by thermally hydrolyzing a soluble TiO2 precursor compound in aqueous solution in the presence of a morphology controlling agent selected from carboxylic acids and amino acids.

Abstract translation: 类似于纳米尺寸花束和/或三角形漏斗的细长TiO 2微晶的有序针状聚集体，以及在选自羧酸和氨基的形态控制剂存在下在水溶液中热水解可溶性TiO 2前体化合物的制备方法 酸。

公开(公告)号：US20170012288A1

公开(公告)日：2017-01-12

申请号：US15115375

申请日：2015-01-29

Applicant: SUMITOMO METAL MINING CO., LTD.

Inventor： Koji YAMAJI ,  Takehide HONMA ,  Ryozo USHIO

IPC: H01M4/525 ,  H01M10/0525 ,  H01M4/04 ,  C01G53/00 ,  H01M4/505

CPC classification number: H01M4/525 ,  C01G53/00 ,  C01G53/006 ,  C01G53/40 ,  C01G53/50 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/45 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/40 ,  H01M4/043 ,  H01M4/0471 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/028

Abstract: The object of the present invention is to improve the roundness of nickel-manganese composite hydroxide particles obtained by a crystallization process, and to improve the filling characteristic of cathode active material produced using the nickel-manganese composite hydroxide particles as a precursor. A reaction aqueous solution is formed by supplying a raw material aqueous solution including at least Ni and Mn, an aqueous solution including an ammonium-ion donor, and an alkali solution into a reaction tank, and mixing, then nickel-manganese composite hydroxide particles are crystallized. When doing this, the oxygen concentration inside the reaction tank is controlled to be 3.0% by volume or greater, the temperature of the reaction aqueous solution is controlled to be 35° C. to 60° C., and the nickel-ion concentration is controlled to be 1,000 mg/L or greater. As a result, nickel-manganese composite hydroxide particles are obtained that include secondary particles formed by an aggregation of plural primary particles and expressed by the general formula: NixMnyMt(OH)2+α (where 0.05≦x≦0.95, 0.05≦y≦0.95, 0≦t≦0.20, x+y+t=1, 0≦α≦0.5, and M is one or more elements selected from among Co, Ti, V, Cr, Zr, Nb, Mo, Hf, Ta and W); and the average value of the roundness of cathode active material having a particle size that is 70% the average particle size or more is 0.82 or greater, and the tap density is 2.20 g/cm3 or greater.

Abstract translation: 本发明的目的是提高通过结晶方法获得的镍锰复合氢氧化物颗粒的圆度，并提高使用镍锰复合氢氧化物颗粒作为前体制备的正极活性物质的填充特性。 通过将至少包含Ni和Mn的原料水溶液，包含铵离子供体的水溶液和碱溶液供应到反应罐中并混合，形成反应水溶液，然后将镍锰复合氢氧化物颗粒 结晶。 当这样做时，将反应槽内的氧浓度控制在3.0体积％以上，将反应水溶液的温度控制在35℃〜60℃，镍离子浓度为 控制在1000mg / L以上。 结果，得到包含由多个一次粒子凝集形成的二次粒子并通过以下通式表示的镍锰复合氢氧化物粒子：NixMnyMt（OH）2 +α（0.05≤x≤0.95≤y≤ 0.95，0≤t≤0.20，x + y + t =1,0.0≤α≤0.5，M是选自Co，Ti，V，Cr，Zr，Nb，Mo，Hf，Ta和 W）; 平均粒径为70％以上的正极活性物质的圆度的平均值为0.82以上，振实密度为2.20g / cm 3以上。