公开(公告)号：US20110274972A1

公开(公告)日：2011-11-10

申请号：US13138229

申请日：2010-01-20

申请人： Manabu Kanemoto ,  Tetsuya Ozaki ,  Masaharu Watada

发明人： Manabu Kanemoto ,  Tetsuya Ozaki ,  Masaharu Watada

IPC分类号： H01M4/36 ,  C22C19/03

CPC分类号： C22C19/03 ,  B22F2998/00 ,  C01B3/0031 ,  C01B3/0057 ,  C22C1/02 ,  C22C19/00 ,  C22C19/007 ,  C22F1/10 ,  H01M4/383 ,  H01M10/345 ,  Y02E60/124 ,  Y02E60/327 ,  C22C1/0433

摘要： The present invention aims to increase the discharge capacity and to improve the cycle life performance in a nickel-metal hydride rechargeable battery using a La—Mg—Ni based hydrogen-absorbing alloy as an active material of a negative electrode. The present invention provides a hydrogen-absorbing alloy represented by the general formula (1): M1uMgvCawM2xNiyM3z . . . (1) (wherein, M1 is one or more elements selected from rare earth elements; M2 is one or more elements selected from the group consisting of Group 3A elements; Group 4A elements, Group 5A elements, and Pd (excluding rare earth elements); M3 is one or more elements selected from the group consisting of Group 6A elements, Group 7A elements, Group 8 elements, Group 1B elements, Group 2B elements, and Group 3B elements (excluding Ni and Pd); u, v, w, x, y, and z are numbers satisfying, u+v+w+x+y+z=100, 3.4≦v≦5.9, 0.8≦w≦3.1, 0≦(x+z)≦5, and 3.2≦(y+z)/(u+v+w+x)≦3.4), and a nickel-metal hydride rechargeable battery including a negative electrode containing the hydrogen-absorbing alloy.

摘要翻译： 本发明旨在提高放电容量并提高使用La-Mg-Ni系吸氢合金作为负极活性物质的镍氢二次电池的循环寿命性能。 本发明提供由通式（1）表示的吸氢合金：M1uMgvCawM2xNiyM3z。 。 。 （1）（其中，M1为选自稀土元素的一种以上元素; M2为选自3A族元素，4A族元素，5A族元素和Pd（不含稀土元素）的一种以上的元素， ; M3是选自6A族元素，7A族元素，8族元素，1B族元素，2B族元素和3B族元素（不包括Ni和Pd）的一种或多种元素; u，v，w， x，y和z分别是满足u + v + w + x + y + z = 100,3.4＆nlE; v＆nlE; 5.9,0.8＆nlE; w＆nlE; 3.1,0和nlE;（x + z）＆nlE; 5和 3.2＆nlE;（y + z）/（u + v + w + x）＆nlE; 3.4）和包含含有吸氢合金的负极的镍氢二次电池。

公开(公告)号：US08021606B2

公开(公告)日：2011-09-20

申请号：US12063391

申请日：2006-08-11

申请人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Minoru Kuzuhara ,  Tadashi Kakeya ,  Masaharu Watada

发明人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Minoru Kuzuhara ,  Tadashi Kakeya ,  Masaharu Watada

IPC分类号： C22C19/00 ,  H01M4/38

CPC分类号： H01M4/242 ,  C01B3/0047 ,  C01B3/0052 ,  C01B3/0057 ,  C22C19/00 ,  C22C19/03 ,  H01M4/383 ,  H01M2004/021 ,  Y02E60/327 ,  Y10S420/90

摘要： A hydrogen storage alloy containing a phase of a chemical composition defined by a general formula A5·xB1+xC24: wherein in the general formula A5·xB1+xC24, A denotes one or more element(s) selected from rare earth elements; B denotes one or more element(s) selected from a group consisting of Mg, Ca, Sr, and Ba; C denotes one or more element(s) selected from a group consisting of Ni, Co, Mn, Al, Cr, Fe, Cu, Zn, Si, Sn, V, Nb, Ta, Ti, Zr, and Hf; and x denotes a numeral in a range from −0.1 to 0.8: and the phase has a crystal structure belonging to a space group of R-3m and having a length ratio of the c-axis to the a-axis of the lattice constant in a range of 11.5 to 12.5.

摘要翻译： 含有由通式A5·xB1 + xC24定义的化学成分相的储氢合金：其中在通式A5·xB1 + xC24中，A表示选自稀土元素的一种或多种元素; B表示选自Mg，Ca，Sr和Ba中的一种或多种元素; C表示选自Ni，Co，Mn，Al，Cr，Fe，Cu，Zn，Si，Sn，V，Nb，Ta，Ti，Zr和Hf中的一种或多种元素; x表示-0.1〜0.8的范围的数字，该相具有属于R-3m的空间群的晶体结构，并且具有c轴与a轴的长度比为晶格常数的长度比 11.5到12.5的范围。

公开(公告)号：US20100239906A1

公开(公告)日：2010-09-23

申请号：US12734496

申请日：2008-09-18

申请人： Tetsuya Ozaki ,  Manabu Kanemoto ,  Masaharu Watada

发明人： Tetsuya Ozaki ,  Manabu Kanemoto ,  Masaharu Watada

IPC分类号： H01M4/58 ,  C22F1/00

CPC分类号： H01M4/383 ,  C22C19/03 ,  C22C19/05 ,  C22F1/10 ,  H01M4/385 ,  H01M10/345

摘要： It is an object of the present invention to improve the cycle performance in a nickel-metal hydride battery using a rare earth-Mg—Ni type alloy. The present invention provides a nickel-metal hydride battery having a negative electrode including an La—Mg—Ni based hydrogen absorbing alloy, wherein the hydrogen absorbing alloy has a crystal phase having Gd2Co7 type crystal structure and contains calcium.

摘要翻译： 本发明的目的是提高使用稀土-Mg-Ni型合金的镍氢电池的循环性能。 本发明提供一种具有含有La-Mg-Ni系吸氢合金的负极的镍氢电池，其中，所述吸氢合金具有含有Gd 2 Co 7型晶体结构且含有钙的结晶相。

公开(公告)号：US20090148770A1

公开(公告)日：2009-06-11

申请号：US12064420

申请日：2006-08-24

申请人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Tadashi Kakeya ,  Minoru Kuzuhara ,  Masaharu Watada

发明人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Tadashi Kakeya ,  Minoru Kuzuhara ,  Masaharu Watada

IPC分类号： H01M4/52 ,  C22C19/03 ,  C22F1/10

CPC分类号： B22F1/0044 ,  B22F9/002 ,  C22C1/0491 ,  H01M4/242 ,  H01M4/383 ,  H01M10/345

摘要： The present invention provides a hydrogen absorbing alloy containing a phase of a Gd2CO7 type crystal structure, wherein the phase exists at a ratio of 10 weight % or higher in the entire hydrogen absorbing alloy and yttrium is contained at a ratio of 2 mol % or more and 10 mol % or less in the entire hydrogen absorbing alloy.

摘要翻译： 本发明提供一种含有Gd 2 CO 7型晶体结构相的吸氢合金，其中，在整个储氢合金中以相对于10重量％以上的比例存在，相的比例为2摩尔％以上的钇 在整个储氢合金中为10摩尔％以下。

公开(公告)号：US20080166635A1

公开(公告)日：2008-07-10

申请号：US11793203

申请日：2005-12-16

申请人： Masaki Miyamoto ,  Mitsuhiro Kodama ,  Seijiro Ochiai ,  Manabu Kanemoto ,  Kaori Nishiyabu ,  Minoru Kuzuhara ,  Masaharu Watada

发明人： Masaki Miyamoto ,  Mitsuhiro Kodama ,  Seijiro Ochiai ,  Manabu Kanemoto ,  Kaori Nishiyabu ,  Minoru Kuzuhara ,  Masaharu Watada

IPC分类号： H01M4/00

CPC分类号： H01M4/32 ,  H01M4/0404 ,  H01M4/049 ,  H01M4/362 ,  H01M4/366 ,  H01M4/38 ,  H01M4/382 ,  H01M4/52 ,  H01M4/62

摘要： It provides a nickel electrode for an alkaline secondary battery and alkaline secondary battery that have a high discharge capacity, a small irreversible capacity, and also a superior cycle characteristic, high-rate discharge characteristics, and charge efficiency. Also, it provides a process for the production of a nickel electrode for an alkaline secondary battery that is superior in productivity.A nickel electrode for an alkaline secondary battery and alkaline secondary battery having the electrode with an electrically conductive base plate supporting an active material particle comprising a particle that mainly consists of a high-order nickel hydroxide whose oxidation number of nickel is higher than +2, or a complex particle with a surface layer that mainly consists of a high-order cobalt hydroxide compound whose oxidation number of cobalt is higher than +2 on the surface of the core layer particle that mainly consists of the high-order nickel hydroxide; wherein lithium (Li) is contained to be a solid solution in said active material particle in the converted amount of from 0.01 to 0.5 wt % as a simple. Also, several ways of method for the production of the nickel electrode for alkaline secondary battery are provided as (1) method to impregnate Li to the active material powder that mainly consists of high-order nickel hydroxide that is oxidized in advance, (2) method to perform oxidization of particle that mainly consists of nickel hydroxide and Li impregnation to the powder in one process, (3) method to support a paste that contains active material powder and lithium hydroxide solution to the electrically conductive base plate, (4) method to impregnate lithium hydroxide solution after making it the electrode plate, (5) method to support a paste that contains active material powder and lithium salt solution to the electrically conducive base plate, and (6) method to impregnate lithium hydroxide solution after making it the electrode plate.

公开(公告)号：US6136473A

公开(公告)日：2000-10-24

申请号：US849103

申请日：1997-05-22

申请人： Kengo Furukawa ,  Toshiki Tanaka ,  Hiroe Nakagawa ,  Yuichi Matsumura ,  Minoru Kuzuhara ,  Masuhiro Ohnishi ,  Noboru Miyake ,  Masaharu Watada ,  Masahiko Oshitani

发明人： Kengo Furukawa ,  Toshiki Tanaka ,  Hiroe Nakagawa ,  Yuichi Matsumura ,  Minoru Kuzuhara ,  Masuhiro Ohnishi ,  Noboru Miyake ,  Masaharu Watada ,  Masahiko Oshitani

IPC分类号： H01M2/16 ,  H01M4/24 ,  H01M4/32 ,  H01M4/38 ,  H01M4/52 ,  H01M10/26 ,  H01M10/34

CPC分类号： H01M2/1686 ,  H01M10/26 ,  H01M10/345 ,  H01M2/16 ,  H01M4/242 ,  H01M4/32 ,  H01M4/383 ,  H01M4/52 ,  Y02E60/124 ,  Y10S420/90

摘要： This invention relates to a hydrogen absorbing electrode, in which a rare earth element having a basicity weaker than that of La is mixed to a hydrogen absorbing alloy or contained in it for serving as a component element. The invention relates to a nickel electrode, in which a rare earth element is mixed to a nickel hydroxide or contained in it as a solid solution. The invention further relates to an alkaline storage battery, in which a rare earth element is coated on a surface of a nickel electrode or a surface of a separator.

摘要翻译： PCT No.PCT / JP96 / 02761 Sec。 371日期：1997年5月22日 102（e）日期1997年5月22日PCT提交1996年9月25日PCT公布。 出版物WO97 / 12408 日期1997年4月3日本发明涉及一种吸氢电极，其中碱性弱于La的稀土元素与吸氢合金混合或含在其中作为组分元素。 本发明涉及一种镍电极，其中将稀土元素作为固溶体与氢氧化镍混合或含有它。 本发明还涉及一种碱性蓄电池，其中稀土元素被涂覆在镍电极或隔膜表面上。

公开(公告)号：US5200282A

公开(公告)日：1993-04-06

申请号：US769526

申请日：1991-10-02

申请人： Masuhiro Ohnishi ,  Masaharu Watada ,  Masahiko Oshitani

发明人： Masuhiro Ohnishi ,  Masaharu Watada ,  Masahiko Oshitani

IPC分类号： H01M4/32 ,  H01M4/52 ,  H01M4/62 ,  H01M4/66 ,  H01M10/30

CPC分类号： H01M4/52 ,  H01M10/30 ,  H01M4/32 ,  H01M4/624 ,  H01M4/661 ,  H01M4/625

摘要： A nickel electrode for use in an alkaline battery using a network-like alkaline-proof metal mesh having pores at the inside thereof as a core metal current collector, as well as an alkaline battery using such a nickel electrode. Inexpensive nickel electrode having high performance, great capacity can be obtained at high productivity.

摘要翻译： 使用在其内部具有孔的网状耐碱性金属网作为核心金属集电体的碱性电池中使用的镍电极以及使用这种镍电极的碱性电池。 具有高性能的廉价镍电极可以以高生产率获得大容量。

公开(公告)号：US20100178561A1

公开(公告)日：2010-07-15

申请号：US12376922

申请日：2007-08-08

申请人： Tadashi Kakeya ,  Manabu Kanemoto ,  Minoru Kuzuhara ,  Tetsuya Ozaki ,  Masaharu Watada ,  Tetsuo Sakai

发明人： Tadashi Kakeya ,  Manabu Kanemoto ,  Minoru Kuzuhara ,  Tetsuya Ozaki ,  Masaharu Watada ,  Tetsuo Sakai

IPC分类号： H01M4/58 ,  B32B15/01

CPC分类号： C22C19/03 ,  C22C1/023 ,  C22C1/0441 ,  C22C19/007 ,  C22F1/002 ,  C22F1/10 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/383 ,  H01M10/345 ,  H01M2004/027 ,  Y10T428/12493

摘要： Provided is a hydrogen storage alloy which is characterized in that two or more crystal phases having different crystal structures are layered in a c-axis direction of the crystal structures. The hydrogen storage alloy is further characterized in that a difference between a maximum value and a minimum value of a lattice constant a in the crystal structures of the laminated two or more crystal phases is 0.03 Å or less.

摘要翻译： 提供一种储氢合金，其特征在于，在晶体结构的c轴方向上层叠具有不同晶体结构的两个以上的结晶相。 储氢合金的特征还在于，层叠的两个或多个结晶相的晶体结构中的晶格常数a的最大值和最小值之间的差为0.03以下。

公开(公告)号：US20090104527A1

公开(公告)日：2009-04-23

申请号：US12063391

申请日：2006-08-11

申请人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Minoru Kuzuhara ,  Tadashi Kakeya ,  Masaharu Watada

发明人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Minoru Kuzuhara ,  Tadashi Kakeya ,  Masaharu Watada

IPC分类号： H01M4/02

CPC分类号： H01M4/242 ,  C01B3/0047 ,  C01B3/0052 ,  C01B3/0057 ,  C22C19/00 ,  C22C19/03 ,  H01M4/383 ,  H01M2004/021 ,  Y02E60/327 ,  Y10S420/90

摘要： A hydrogen storage alloy containing a phase of a chemical composition defined by a general formula A5·xB1+xC24: wherein in the general formula A5·xB1+xC24, A denotes one or more element(s) selected from rare earth elements; B denotes one or more element(s) selected from a group consisting of Mg, Ca, Sr, and Ba; C denotes one or more element(s) selected from a group consisting of Ni, Co, Mn, Al, Cr, Fe, Cu, Zn, Si, Sn, V, Nb, Ta, Ti, Zr, and Hf; and x denotes a numeral in a range from −0.1 to 0.8: and the phase has a crystal structure belonging to a space group of R-3m and having a length ratio of the c-axis to the a-axis of the lattice constant in a range of 11.5 to 12.5.

摘要翻译： 含有由通式A5.xB1 + xC24定义的化学成分相的储氢合金：其中在通式A5.xB1 + xC24中，A表示选自稀土元素的一种或多种元素; B表示选自Mg，Ca，Sr和Ba中的一种或多种元素; C表示选自Ni，Co，Mn，Al，Cr，Fe，Cu，Zn，Si，Sn，V，Nb，Ta，Ti，Zr和Hf中的一种或多种元素; x表示-0.1〜0.8的范围的数字，该相具有属于R-3m的空间群的晶体结构，并且具有c轴与a轴的长度比为晶格常数的长度比 11.5到12.5的范围。

公开(公告)号：US08343659B2

公开(公告)日：2013-01-01

申请号：US12064420

申请日：2006-08-24

申请人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Tadashi Kakeya ,  Minoru Kuzuhara ,  Masaharu Watada

发明人： Tetsuya Ozaki ,  Tetsuo Sakai ,  Manabu Kanemoto ,  Tadashi Kakeya ,  Minoru Kuzuhara ,  Masaharu Watada

IPC分类号： H01M4/52

CPC分类号： B22F1/0044 ,  B22F9/002 ,  C22C1/0491 ,  H01M4/242 ,  H01M4/383 ,  H01M10/345

摘要： The present invention provides a hydrogen absorbing alloy containing a phase of a Gd2Co7 type crystal structure, wherein the phase exists at a ratio of 10 weight % or higher in the entire hydrogen absorbing alloy and yttrium is contained at a ratio of 2 mol % or more and 10 mol % or less in the entire hydrogen absorbing alloy.

摘要翻译： 本发明提供一种含有Gd 2 Co 7型晶体结构相的吸氢合金，其中在整个储氢合金中以相对于10重量％以上的比率存在相，以2摩尔％以上的比率含有钇 在整个储氢合金中为10摩尔％以下。