公开(公告)号：US11326228B2

公开(公告)日：2022-05-10

申请号：US16754413

申请日：2018-10-22

申请人： NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY ,  SANTOKU CORPORATION

发明人： Takeshi Ogata ,  Hirokazu Narita ,  Mikiya Tanaka ,  Tadatoshi Murota

IPC分类号： C22B3/24 ,  C22B59/00 ,  B01J20/10 ,  B01J20/02 ,  B01J20/26 ,  B01D15/02 ,  B01J20/32 ,  C22B3/08 ,  C22B3/10

摘要： Provided is a method for easily and inexpensively separating a rare earth element contained in an aqueous solution.

公开(公告)号：US10547055B2

公开(公告)日：2020-01-28

申请号：US14903516

申请日：2014-07-10

申请人： SANTOKU CORPORATION

发明人： Motofumi Matsuda

IPC分类号： H01M4/525 ,  H01M10/052 ,  H01M4/02 ,  C01G51/00 ,  H01M4/36

摘要： Provided are a cathode active material that has improved crystal-structure stability during continuous or high-voltage charging of a nonaqueous electrolyte rechargeable material, excellent cycle characteristics (capacity retention), and high capacity, as well as a cathode and a nonaqueous electrolyte rechargeable battery containing the cathode active material. The cathode active material has a composition represented by formula (1): Lix−yNayCowAlaMgbMcO2+α wherein x, y, w, a, b, c, and α each denotes particular values; and M stands for at least one element selected from Ca, Y, rare earth elements, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Ni, Cu, Ag, Zn, B, Ga, C, Si, Sn, N, P, S, F, and Cl; wherein the cathode active material is in the form of lithium-containing composite oxide particles having a compound adhered on a surface thereof, the compound containing at least one element selected from Al, Mg, and M.

公开(公告)号：US20190316814A1

公开(公告)日：2019-10-17

申请号：US16471147

申请日：2017-12-28

申请人： SANTOKU CORPORATION

发明人： Takahiro KURIIWA ,  Yasutomo MATSUMOTO ,  Eiji NAMAKI

IPC分类号： F25B9/14 ,  C01G53/00

摘要： The present invention provides a regenerator material having a high specific heat in a temperature range of 10K or higher (in particular, a temperature range of 10 to 20K), as well as a regenerator and a refrigerator provided with the regenerator material. Specifically, the present invention provides a regenerator material represented by general formula (1): Er1−xRxNi1+α (1), wherein x is 0

公开(公告)号：US20180043435A1

公开(公告)日：2018-02-15

申请号：US15555614

申请日：2016-03-04

申请人： SANTOKU CORPORATION

发明人： Takehiko KIKKAWA ,  Hiroaki TAKATA

IPC分类号： B22F3/24 ,  C22C38/02 ,  C22C38/00 ,  H01F41/02 ,  B22F9/04 ,  B22F3/14 ,  B22F3/16 ,  H01F1/03 ,  C22C38/04 ,  C22C33/04

CPC分类号： B22F3/24 ,  B22F3/14 ,  B22F3/16 ,  B22F5/00 ,  B22F9/04 ,  B22F2301/355 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/0441 ,  C22C1/0483 ,  C22C33/02 ,  C22C33/0257 ,  C22C33/04 ,  C22C38/00 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C2202/02 ,  F25B21/00 ,  H01F1/00 ,  H01F1/0306 ,  H01F41/02 ,  B22F1/0059 ,  B22F3/03 ,  B22F3/1021 ,  B22F3/10 ,  B22F2003/248 ,  B22F2201/013 ,  B22F3/20 ,  B22F3/15 ,  B22F3/225 ,  B22F3/12

摘要： There is provided a method for producing a magnetic refrigeration module. The method comprises: a step (1) of preparing a mixture powder A containing an La(Fe,Si)13-based alloy powder, an M powder, and optionally an organic binder, the La(Fe,Si)13-based alloy powder having a main phase with an NaZn13-type crystal structure, and the M powder containing a metal and/or an alloy and having a melting point of 1090° C. or lower; a step (2) of subjecting the mixture powder A to a heat treatment in a reducing atmosphere at a temperature close to the melting point of the M powder to obtain a sintered body B; and a step (3) of subjecting the sintered body B to a hydrogenation treatment in a hydrogen-containing atmosphere.

公开(公告)号：US09343737B2

公开(公告)日：2016-05-17

申请号：US13994926

申请日：2011-12-19

申请人： Takayuki Otsuki ,  Akiyasu Ota ,  Toshio Irie ,  Yasunori Yanagi

发明人： Takayuki Otsuki ,  Akiyasu Ota ,  Toshio Irie ,  Yasunori Yanagi

IPC分类号： H01M4/38 ,  C22C19/00 ,  C22F1/00 ,  C22F1/10 ,  C22C1/04 ,  H01M10/34

CPC分类号： H01M4/385 ,  C22C1/0433 ,  C22C19/00 ,  C22F1/00 ,  C22F1/10 ,  H01M4/383 ,  H01M10/345

摘要： Provided are hydrogen storage alloy powder capable of providing a nickel-hydrogen rechargeable battery with simultaneous excellence in initial activity, discharge capacity, and cycle characteristics, which are otherwise in a trade-off relationship, an anode for a nickel-hydrogen rechargeable battery as well as a nickel-hydrogen rechargeable battery employing the same. The hydrogen storage alloy has a particular composition represented by formula (1), R1-aMgaNibAlcMd, and has at its outermost surface a Mg-rich/Ni-poor region having a composition with a Mg molar ratio higher than that in formula (1) and a Ni molar ratio lower than that in formula (1), and has inside a Mg/Ni-containing region having a composition with a Mg molar ratio lower than and a Ni molar ratio higher than those in the Mg-rich/Ni-poor region.

摘要翻译： 提供了能够提供镍氢可再充电电池的储氢合金粉末，其具有同时优异的初始活性，放电容量和循环特性，否则其在折衷关系中，镍氢可再充电电池的阳极以及 作为使用其的镍氢可再充电电池。 储氢合金具有由式（1）表示的特定组成，R1-aMgaNibAlcMd，并且在其最外表面具有Mg摩尔比高于式（1）的Mg摩尔比的组成的富Mg / Ni-贫区， 和Ni摩尔比低于式（1）中的Ni摩尔比，并且在Mg / Ni含量区域内具有Mg摩尔比低于和Ni摩尔比高于富Mg / Ni- 贫困地区。

公开(公告)号：US09293765B2

公开(公告)日：2016-03-22

申请号：US13806423

申请日：2011-06-24

申请人： Takayuki Otsuki ,  Toshio Irie

发明人： Takayuki Otsuki ,  Toshio Irie

IPC分类号： H01M4/38 ,  B22F9/04 ,  C22C19/00 ,  B22F3/10 ,  C22F1/10 ,  C01B3/00 ,  C22C1/02 ,  C22C1/04 ,  C22C19/03 ,  H01M10/34

CPC分类号： H01M4/383 ,  B22F3/10 ,  B22F9/04 ,  B22F2998/10 ,  C01B3/0057 ,  C22C1/023 ,  C22C1/04 ,  C22C1/0441 ,  C22C19/00 ,  C22C19/007 ,  C22C19/03 ,  C22F1/10 ,  H01M10/345 ,  Y02E60/124 ,  Y02E60/327 ,  Y02P70/54 ,  B22F1/0003 ,  B22F2009/041 ,  B22F1/0085

摘要： A safe and industrially advantageous production method is disclosed for producing a rare earth-Mg—Ni based hydrogen storage alloy which realizes production of a nickel-hydrogen rechargeable battery having excellent cycle characteristics and a large capacity. The method is for producing a rare earth-Mg—Ni based hydrogen storage alloy including element A, Mg, and element B, wherein element A is composed of at least one element R selected from rare earth elements including Sc and Y, and optionally at least one element selected from Zr, Hf, and Ca, and element B is composed of Ni and optionally at least one element selected from elements other than element A and Mg. The method includes first step of mixing an alloy consisting of elements A and B and Mg metal and/or a Mg-containing alloy having a melting point not higher than the melting point of Mg metal, and second step of heat-treating a mixture obtained from first step for 0.5 to 240 hours at a temperature 5 to 250° C. lower than a melting point of the rare earth-Mg—Ni based hydrogen storage alloy to be obtained.

摘要翻译： 公开了用于生产稀土-Mg-Ni基储氢合金的安全和工业上有利的生产方法，其实现了具有优异的循环特性和大容量的镍氢可再充电电池的生产。 该方法用于制备包含元素A，Mg和元素B的稀土-Mg-Ni基储氢合金，其中元素A由至少一种选自包括Sc和Y的稀土元素的元素R组成，并且任选地 选自Zr，Hf和Ca中的至少一种元素，元素B由Ni和任选的至少一种选自元素A和Mg以外的元素的元素组成。 该方法包括将由元素A和B组成的合金与Mg金属和/或熔点不高于Mg金属的熔点的Mg金属和/或含Mg合金混合的第一步骤，以及第二步骤 在比所获得的稀土-Mg-Ni基储氢合金的熔点低5〜250℃的温度下，从第一步骤0.5〜240小时。

公开(公告)号：US08920687B2

公开(公告)日：2014-12-30

申请号：US12521251

申请日：2007-12-26

申请人： Tetsu Fujiwara ,  Masayuki Moritaka ,  Akihito Kaneko

发明人： Tetsu Fujiwara ,  Masayuki Moritaka ,  Akihito Kaneko

IPC分类号： H01M4/90 ,  H01B1/02 ,  H01M4/525 ,  H01M4/131 ,  H01M10/052 ,  H01M4/02

CPC分类号： H01M4/525 ,  H01M4/131 ,  H01M10/052 ,  H01M2004/021 ,  Y02E60/122

摘要： Provided is a cathode active material for nonaqueous electrolyte rechargeable batteries which allows production of batteries having improved load characteristics with stable quality, and also allows production of batteries having high capacity. Also provided are a cathode for nonaqueous electrolyte rechargeable batteries and a nonaqueous electrolyte rechargeable battery. The cathode active material includes secondary particles each composed of a plurality of primary particles, and/or single crystal grains, and has a specific surface area of not smaller than 20 m2/g and smaller than 0.50 m2/g, wherein average number A represented by formula (1) is not less than 1 and not more than 10: A=(m+p)/(m+s) (m: the number of single crystal grains; p: the number of primary particles composing the secondary particles; s: the number of secondary particles).

摘要翻译： 提供一种用于非水电解质可再充电电池的阴极活性材料，其允许以稳定的质量生产具有改进的负载特性的电池，并且还允许生产具有高容量的电池。 还提供了一种用于非水电解质可再充电电池的阴极和非水电解质可再充电电池。 正极活性物质包括各自由多个一次粒子和/或单晶粒构成的二次粒子，其比表面积为20m 2 / g以上且小于0.50m 2 / g，其中，平均数A表示为 通过式（1）不小于1且不大于10：A =（m + p）/（m + s）（m：单晶粒数; p：构成二次粒子的一次粒子数 ; s：二次粒子数）。

公开(公告)号：US20140007593A1

公开(公告)日：2014-01-09

申请号：US14005081

申请日：2012-03-14

申请人： Hiroaki Takata ,  Toshio Irie

发明人： Hiroaki Takata ,  Toshio Irie

IPC分类号： H01F1/01 ,  F25B21/00

CPC分类号： H01F1/015 ,  C21D1/74 ,  C22C1/02 ,  C22C33/0278 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/06 ,  C22C38/10 ,  C22C38/14 ,  C22C38/18 ,  C22C2202/02 ,  F25B21/00 ,  F25B2321/002

摘要： Provided is a magnetic refrigeration material which has a Curie temperature near room temperature or higher, and provides refrigeration performance well over that of conventional materials when subjected to a field change up to 2 Tesla, which is assumed to be achievable with a permanent magnet. The magnetic refrigeration material is of a composition represented by the formula La1-fREf(Fe1-a-b-c-d-eSiaCObXcYdZe)13 (RE: at least one of rare earth elements including Sc and Y and excluding La; X: Ga and/or Al; Y: at least one of Ge, Sn, B, and C; Z: at least one of Ti, V, Cr, Mn, Ni, Cu, Zn, and Zr; 0.03≦a≦0.17, 0.003≦b≦0.06, 0.02≦c≦0.10, 0≦d≦0.04, 0≦e≦0.04, 0≦f≦0.50), and has Tc of not lower than 220 K and not higher than 276 K, and the maximum (−ΔSmax) of magnetic entropy change (−ΔSM) of the material when subjected to a field change up to 2 Tesla is not less than 5 J/kgK.

摘要翻译： 本发明提供一种磁性制冷材料，其具有接近室温或更高的居里温度，并且当经过场效应达到2特斯拉时，其制冷性能优于常规材料，这被认为可以用永磁体实现。 磁致冷材料为式La1-fREf（Fe1-abcd-eSiaCObXcYdZe）13（RE：包括Sc和Y，除La之外的至少一种稀土元素，X：Ga和/或Al; Y ：Ge，Sn，B和C中的至少一种; Z：Ti，V，Cr，Mn，Ni，Cu，Zn和Zr中的至少一种;0.03≤a≤0.17,0.003b@ 0.06,0.02 并且具有不低于220K且不高于276K的Tc，并且磁熵的最大值（-DeltaSmax） 当进行场特性变化达2特斯拉时材料的变化（-DeltaSM）不小于5J / kgK。

公开(公告)号：US20130142687A1

公开(公告)日：2013-06-06

申请号：US13807909

申请日：2011-07-01

申请人： Takuya Onimura ,  Shinya Tabata

发明人： Takuya Onimura ,  Shinya Tabata

IPC分类号： B22F9/08 ,  C22C38/00

CPC分类号： B22F9/08 ,  B22D11/001 ,  B22D11/0611 ,  B22F2998/10 ,  C21D6/00 ,  C21D2211/004 ,  C22C1/04 ,  C22C33/02 ,  C22C38/002 ,  C22C38/005 ,  C22C38/06 ,  C22C38/10 ,  C22C38/16 ,  C22C2202/02 ,  H01F1/0571 ,  B22F9/04 ,  B22F3/02 ,  B22F3/10

摘要： Provided are alloy flakes for rare earth sintered magnet, which achieve a high rare earth component yield after pulverization with respect to before pulverization and a uniform particle size after pulverization, and a method for producing such alloy at high energy efficiency in an industrial scale. The method includes (A) preparing an alloy melt containing R composed of at least one element selected from rare earth metal elements including Y, B, and the balance M composed of Fe, or of Fe and at least one element selected from transition metal elements other than Fe, Si, and C, (B) rapidly cooling/solidifying the alloy melt to not lower than 700° C. and not higher than 1000° C. by strip casting with a cooling roll, and (C) heating and maintaining, in a particular temperature range, alloy flakes separated from the roll by rapid cooling and solidifying in step (B) before the flakes are cooled to not higher than 500° C., to obtain alloy flakes having a composition of 27.0 to 33.0 mass % R, 0.90 to 1.30 mass % boron, and the balance M.

摘要翻译： 提供了稀土烧结磁体的合金薄片，粉碎后的粉碎后粉碎后的稀土成分收率高，粉碎后的粒径均匀化等，以及能够以工业规模高能效生产合金的方法。 该方法包括（A）制备含有R的至少一种元素的合金熔体，所述R由选自包含Y，B的稀土金属元素和由Fe组成的余量M或Fe和选自过渡金属元素中的至少一种元素 除了Fe，Si和C之外，（B）通过带有冷却辊的带钢铸造将合金熔体快速冷却/固化成不低于700℃且不高于1000℃，（C）加热和保持 在特定温度范围内，在将薄片冷却至不高于500℃之前，通过在步骤（B）中快速冷却并固化从而与辊分离的合金薄片，以获得组成为27.0至33.0质量％的合金薄片， R，0.90〜1.30质量％的硼，余量为M.

公开(公告)号：US07935305B2

公开(公告)日：2011-05-03

申请号：US12794224

申请日：2010-06-04

申请人： Kiyofumi Takamaru ,  Hideaki Ikeda ,  Koji Tatsumi

发明人： Kiyofumi Takamaru ,  Hideaki Ikeda ,  Koji Tatsumi

IPC分类号： C22C19/03 ,  H01B1/02

CPC分类号： H01M4/385 ,  H01M4/383 ,  Y10S420/90

摘要： The present invention relates to hydrogen storage alloys, methods for producing the same, and anodes produced with such alloys for nickel-hydrogen rechargeable batteries. The alloys are useful as electrode materials for nickel-hydrogen rechargeable batteries, excellent, when used as anode materials, in corrosion resistance or activity such as initial activity and high rate discharge performance, of low cost compared to the conventional alloys with a higher Co content, and recyclable. The alloys are of a composition represented by the formula (1), and has a substantially single phase structure, and the crystals thereof have an average long axis diameter of 30 to 160 μm, or not smaller than 5 μm and smaller than 30 μm. The present anodes for rechargeable batteries contain at least one of these hydrogen storage alloys: RNixCoyMz  (1) (R: rare earth elements etc., M: Mg, Al, etc., 3.7≦x≦5.3, 0.1≦y≦5.0, 0.1≦z≦1.0, 5.1≦x+y+z≦5.5).

摘要翻译： 本发明涉及储氢合金，其制造方法和用镍氢可再充电电池用这种合金制成的阳极。 该合金可用作镍氢可再充电电池的电极材料，当用作阳极材料时，与具有较高Co含量的常规合金相比，耐腐蚀性或诸如初始活性和高放电性能的活性优异，成本低廉 ，并可回收。 该合金是由式（1）表示的组成，其基本上具有单相结构，其晶体的平均长轴直径为30〜160μm，不小于5μm，小于30μm。 目前的可再充电电池阳极含有这些储氢合金中的至少一种：RNixCoyMz（1）（R：稀土元素等，M：Mg，Al等，3.7和nlE; x＆nlE; 5.3,0.1和nlE; y＆ 5.0，0.1＆nlE; z＆nlE; 1.0,5.1和nlE; x + y + z＆nlE; 5.5）。