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公开(公告)号:US12024757B2
公开(公告)日:2024-07-02
申请号:US17290364
申请日:2019-10-01
发明人: Takao Sawa , Saki Notoyama , Naoyoshi Terashita , Katsuyuki Kudo , Makio Kon , Masashi Kodama , Hiroshi Nishiyama
CPC分类号: C22C19/00 , B22F1/05 , H01M4/242 , H01M4/383 , H01M4/48 , H01M10/24 , H01M10/36 , H01M2004/021 , H01M2004/027 , H01M2004/028 , H01M2220/20 , H01M2300/0014 , B22F2999/00 , B22F1/05 , C22C2202/04 , C22C1/0441
摘要: A hydrogen storage alloy suitable for a negative electrode of an on-board alkaline storage battery, and an alkaline storage battery using the alloy, which has an AB3-type crystal structure as a main phase, represented by: (SmxLayRz)1-a-bMgaTbNicCodMe. (R is selected from Pr, Nd; T is selected from Ti, Zr, Hf; M is selected from V, Nb, Ta, Cr, Mo, W, Mn, Fe, Cu, Al, Si, P, B; the following conditions are met: 0
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公开(公告)号:US20240213461A1
公开(公告)日:2024-06-27
申请号:US18288255
申请日:2022-04-27
发明人: Yuki CHUJO , Tomohiro NAKAMURA , Kyohei MATSUURA , Yutaro KAWABATA , Takayuki HIROSE , Motoaki OKUDA , Takeo OKANISHI , Motoyoshi OKUMURA , Hiroyuki KAIYA , Masashi KODAMA , Daiki TERASHIMA , Masanobu OUCHI , Koh YOSHIOKA , Shinichirou HORIE , Toshifumi KOYANAGI
CPC分类号: H01M4/383 , H01M4/242 , H01M4/28 , H01M4/661 , H01M4/667 , H01M4/669 , H01M10/345 , H01M2004/029
摘要: A bipolar electrode (100) for a metal hydride battery includes a current collector (10), a negative electrode active material layer (20) provided on a first surface (10A) of the current collector (10), and a positive electrode active material layer (30) provided on a second surface (10B) of the current collector (10). The negative electrode active material layer (20) contains a metal hydride. The current collector (10) includes a steel sheet (13) and a Ni—Fe alloy layer (15) formed on at least one surface of the steel sheet (13).
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公开(公告)号:US11916230B2
公开(公告)日:2024-02-27
申请号:US16688241
申请日:2019-11-19
CPC分类号: H01M4/383 , C22C19/03 , H01M10/24 , C22C2202/02 , H01M2004/027
摘要: A negative electrode active material includes a hydrogen storage alloy. The hydrogen storage alloy has an A2B7 crystal structure. The hydrogen storage alloy includes nickel. The saturation magnetization per unit mass is 1.9 emu·g−1 or more.
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公开(公告)号:US11670758B2
公开(公告)日:2023-06-06
申请号:US17083207
申请日:2020-10-28
发明人: Masahiro Serikawa
CPC分类号: H01M4/242 , H01M4/383 , H01M4/622 , H01M4/625 , H01M4/661 , H01M10/24 , H01M2004/021 , H01M2004/027
摘要: An alkaline secondary battery negative electrode and a composition forming the negative electrode, containing an active material, a binder resin, and an electrically conductive agent containing an electrically conductive carbon material. When a value of D50 is defined to be an average particle size X and a value of D20 is defined to be a particle size Y in a cumulative particle size distribution obtained by measuring the active material using a laser diffractometry particle size distribution meter, the average particle size X is 10 μm or less, and the particle size Y is in the range of 30% to 70% of the average particle size X.
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公开(公告)号:US20180254528A1
公开(公告)日:2018-09-06
申请号:US15909474
申请日:2018-03-01
CPC分类号: H01M10/30 , H01M4/242 , H01M4/383 , H01M4/385 , H01M4/50 , H01M10/0459 , H01M10/24 , H01M10/26 , H01M10/286 , H01M2004/027 , H01M2004/028
摘要: An alkaline secondary battery includes at least a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes at least one of manganese oxyhydroxide and manganese dioxide. The negative electrode includes a hydrogen storage alloy.
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公开(公告)号:US09997776B2
公开(公告)日:2018-06-12
申请号:US14399145
申请日:2014-02-19
发明人: Akiko Okabe , Hideaki Ohyama , Shinichi Sumiyama , Yasushi Nakamura , Kiyoshi Hayashi , Hiroki Takeshima , Fumio Kato
CPC分类号: H01M4/383 , C22C1/0433 , C22C19/03 , C22C30/00 , H01M2/1653 , H01M4/385 , H01M10/26 , H01M10/30 , H01M2004/027 , H01M2220/20 , H01M2300/0014 , Y02E60/124
摘要: Disclosed is an alloy powder for electrodes for nickel-metal hydride storage batteries having a high battery capacity and being excellent in life characteristics and high-temperature storage characteristics. The alloy powder includes a hydrogen storage alloy containing elements L, M, Ni, Co, and E. L includes La as an essential component. L includes no Nd, or when including Nd, the percentage of Nd in L is less than 5 mass %. The percentage of La in the hydrogen storage alloy is 23 mass % or less. M is Mg, Ca, Sr and/or Ba. A molar ratio α to a total of L and M is 0.045≤α≤0.133. A molar ratio x of Ni to the total of L and M is 3.5≤x≤4.32, and a molar ratio y of Co is 0.13≤y≤0.5. The molar ratios x and y, and a molar ratio z of E to the total of L and M satisfy 4.78≤x+y+z
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公开(公告)号:US09972837B2
公开(公告)日:2018-05-15
申请号:US14710805
申请日:2015-05-13
申请人: BASF Corporation , FDK Corporation
发明人: Kwo Young , Taihei Ouchi , Jean Nei , Diana Wong , Shigekazu Yasuoka
IPC分类号: C22C30/02 , H01M4/38 , C22C30/00 , H01M4/90 , H01M10/30 , H01M8/083 , H01M12/08 , C22C19/03 , C22C19/00 , C01B3/00
CPC分类号: H01M4/383 , C01B3/0047 , C22C19/007 , C22C19/03 , C22C30/00 , C22C30/02 , H01M4/9041 , H01M8/083 , H01M10/30 , H01M12/08 , Y02E60/327
摘要: A multi-phase hydrogen storage alloy comprising a hexagonal Ce2Ni7 phase and a hexagonal Pr5Co19 phase, where the Ce2Ni7 phase abundance is ≥30 wt % and the Pr5Co19 phase abundance is ≥8 wt % and where the alloy comprises a mischmetal where Nd in the mischmetal is
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公开(公告)号:US20180131001A1
公开(公告)日:2018-05-10
申请号:US15861854
申请日:2018-01-04
申请人: BASF Corporation , FDK Corporation
发明人: Kwo Young , Taihei Ouchi , Jean Nei , Diana Wong , Shigekazu Yasuoka
IPC分类号: H01M4/38 , C22C19/00 , C22C19/03 , C01B3/00 , H01M12/08 , H01M10/30 , H01M4/90 , C22C30/00 , C22C30/02 , H01M8/083
CPC分类号: H01M4/383 , C01B3/0047 , C22C19/007 , C22C19/03 , C22C30/00 , C22C30/02 , H01M4/9041 , H01M8/083 , H01M10/30 , H01M12/08 , Y02E60/327
摘要: A multi-phase hydrogen storage alloy comprising a hexagonal Ce2Ni7 phase and a hexagonal Pr5Co19 phase, where the Ce2Ni7 phase abundance is ≥30 wt % and the Pr5Co19 phase abundance is ≥8 wt % and where the alloy comprises a mischmetal where Nd in the mischmetal is
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公开(公告)号:US20180123126A1
公开(公告)日:2018-05-03
申请号:US15784391
申请日:2017-10-16
发明人: Makio KON
CPC分类号: H01M4/383 , B22F1/00 , B22F1/02 , C22C19/058 , C22C27/025 , C22C27/06 , H01M4/0421 , H01M4/242 , H01M4/366 , H01M10/24 , H01M10/345 , H01M12/08 , H01M2004/027 , Y02E60/128
摘要: An object of the present disclosure is to provide an anode material with a high capacity maintenance rate. To achieve the above object, the present disclosure provides an anode material to be used for a battery that contains an aqueous liquid electrolyte, the anode material comprising: a hydrogen storing alloy that reversibly stores and releases hydrogen; wherein the hydrogen storing alloy contains Ti, Cr, and V as main components, and is an alloy that contains a BCC phase as a main phase; a lattice constant of the BCC phase is 3.01 Å or more and 3.10 Å or less; and the Cr content in the hydrogen storing alloy is 20 at % or more.
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公开(公告)号:US09893347B2
公开(公告)日:2018-02-13
申请号:US14380324
申请日:2013-12-05
发明人: Hideaki Ohyama , Shinichi Sumiyama , Akiko Okabe , Yasushi Nakamura , Kiyoshi Hayashi , Fumio Kato
IPC分类号: H01M4/24 , H01M10/24 , C22C28/00 , H01M4/38 , C22C1/04 , H01M4/42 , H01M4/46 , H01M10/30 , H01M10/32 , C22C19/00 , C22C30/00 , H01M4/02 , B22F9/08 , B22F9/04
CPC分类号: H01M4/242 , B22F9/082 , B22F2009/041 , B22F2998/10 , C22C1/0433 , C22C1/0483 , C22C19/007 , C22C28/00 , C22C30/00 , H01M4/244 , H01M4/248 , H01M4/38 , H01M4/383 , H01M4/386 , H01M4/42 , H01M4/46 , H01M10/24 , H01M10/30 , H01M10/32 , H01M2004/027 , B22F9/04 , B22F1/0096 , B22F1/0088
摘要: Provided is an alloy powder for an electrode which enables an alkaline storage battery to have both excellent discharge characteristics and excellent life characteristics. The alloy powder includes a hydrogen storage alloy including an element L, Mg, Ni, Al, and an element Ma. The element L is at least one selected from the group consisting of group 3 elements and group 4 elements of the periodic table (excluding Y). The element Ma is at least two selected from the group consisting of Ge, Y, and Sn. A molar proportion x of Mg in a total of the element L and Mg is 0.008≦x≦0.54. A molar proportion y of Ni, a molar proportion α of Al, and a molar proportion β of the element Ma, per the foregoing total is 1.6≦y≦4, 0.008≦α≦0.32, and 0.01≦β≦0.12, respectively.
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