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    • 2. 发明授权
    • Hydrogen storage alloy, production method therefor and nickel-hydrogen secondary battery-use cathode
    • 储氢合金,其制备方法和镍氢二次电池用阴极
    • US07935305B2
    • 2011-05-03
    • US12794224
    • 2010-06-04
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • C22C19/03H01B1/02
    • H01M4/385H01M4/383Y10S420/90
    • 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).
    • 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≦̸ 5.3,0.1和nlE; y& 5.0,0.1≦̸ z≦̸ 1.0,5.1和nlE; x + y + z≦̸ 5.5)。
    • 3. 发明申请
    • HYDROGEN STORAGE ALLOY, PRODUCTION METHOD THEREFOR AND NICKEL-HYDROGEN SECONDARY BATTERY-USE CATHODE
    • 氢储存合金及其生产方法及镍氢二次电池使用阴极
    • US20100301283A1
    • 2010-12-02
    • US12794224
    • 2010-06-04
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • H01M4/38
    • H01M4/385H01M4/383Y10S420/90
    • 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)
    • 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。 本发明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≦̸ x≦̸ 5.3,0.1& nlE; y≦̸ 5.0,0.1≦̸ z≦̸ 1.0,5.1& z≦̸ 5.5)
    • 4. 发明申请
    • HYDROGEN STORAGE ALLOYS, METHOD FOR PRODUCING THE SAME, AND ANODES FOR NICKEL-HYDROGEN RECHARGEABLE BATTERY
    • 氢存储合金,其制造方法和镍氢可充电电池的阳极
    • US20080014502A1
    • 2008-01-17
    • US11838065
    • 2007-08-13
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • H01M4/58C22C19/03
    • H01M4/385H01M4/383Y10S420/90
    • 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≦0.5, 0.1≦z≦1.0, 5.1≦x+y+z≦5.5)
    • 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。 本发明的可再充电电池阳极含有这些储氢合金中的至少一种。 <?in-line-formula description =“In-line Formulas”end =“lead”?> RNi (R:稀土元素等,M:Mg,Al等,3.7 <= x <= 5.3,在线公式描述=“In-line formula”end =“tail” 0.1 <= y <= 0.5,0.1 <= z <= 1.0,5.1 <= x + y + z <= 5.5)
    • 7. 发明申请
    • PROCESS FOR PRODUCING LITHIUM-CONTAINING COMPOSITE OXIDE
    • 生产含锂的复合氧化物的方法
    • US20070264573A1
    • 2007-11-15
    • US11828009
    • 2007-07-25
    • Ryoji YamadaKoji TatsumiShogo NakaokaKenji ItoKazuya Hiratsuka
    • Ryoji YamadaKoji TatsumiShogo NakaokaKenji ItoKazuya Hiratsuka
    • H01M4/50H01M4/52H01M4/58C01B9/00C01G53/04C01G51/04
    • H01M4/505C01G45/1228C01G51/42C01G51/50C01G53/50C01P2002/52C01P2002/74C01P2004/32C01P2004/51C01P2004/61C01P2004/62C01P2006/11C01P2006/12C01P2006/40H01M4/0471H01M4/1391H01M4/13915H01M4/405H01M4/525H01M2004/028
    • To provide a process for a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and is excellent in the charge and discharge cyclic durability and low temperature characteristics. A process for producing a lithium-containing composite oxide represented by the formula LipNxMyOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9≦p≦1.2, 0.95≦x≦2.00, 0≦y≦0.05, 1.9≦z≦4.2 and 0≦a≦0.05), which comprises firing a mixture of a lithium source, an N element source, an M element source and if necessary, a fluorine source, characterized in that an aqueous solution having an M element source dissolved therein is mixed with an N element source powder or its pulverized product to form a slurry; if necessary after being pulverized, the slurry is dried for granulation to obtain a granulated product, which is mixed with a lithium source powder and if necessary, a fluorine source powder to obtain a mixture; and the mixture is fired at from 700 to 1,100° C. in an oxygen-containing atmosphere.
    • 为了提供具有大容量密度和高安全性的用于锂二次电池用正极的含锂复合氧化物的方法,并且充放电循环耐久性和低温特性优异。 一种制备由下式表示的含锂复合氧化物的方法:其中R 1,R 2,R 2,R 3, (其中N是选自Co,Mn和Ni中的至少一种元素,M是选自Al,碱土金属元素和过渡金属中的至少一种元素) 除了N,0.9 <= p <= 1.2,0.95 <= x <= 2.00,0 <= y <= 0.05,1.9 <= z <= 4.2和0 <= a <= 0.05),其包括烧 锂源,N元素源,M元素源和必要时的氟源的混合物,其特征在于将其中溶解有M元素源的水溶液与N元素源粉末或其粉碎产物混合形成 泥浆 如果需要,粉碎后,将浆料干燥造粒,得到粒状物,将其与锂源粉末混合,根据需要与需要的氟源粉末混合,得到混合物; 在含氧气氛中将混合物在700〜1100℃下烧成。
    • 8. 发明授权
    • Method for producing anode for rechargeable battery
    • 用于生产可再充电电池的阳极的方法
    • US07160502B2
    • 2007-01-09
    • US10479884
    • 2002-04-09
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • Kiyofumi TakamaruHideaki IkedaKoji Tatsumi
    • C22C1/05B22F1/00
    • H01M4/385C01B3/0078C01B3/0084H01M4/04H01M4/242H01M4/383Y02E60/324
    • The present invention relates to a method for readily producing an anode for rechargeable batteries having conflicting properties in good balance, including the corrosion resistance and the activities such as the initial activity and the high rate discharge performance, and having excellent recyclability. The method includes the steps of mixing and molding anode materials containing an electrically conductive material and at least two kinds of AB5 type hydrogen storage alloys, wherein said alloys have substantially single phase structures and the same composition, wherein each of the alloys have an average crystal long axis diameter of 30 to 350 μm, and wherein the alloys have different ratios (D1/D2) of the average crystal long axis diameter (D1) to the average short axis diameter (D2).
    • 本发明涉及一种容易地制造具有良好平衡的冲突性的可再充电电池的阳极的方法,包括耐腐蚀性和诸如初始活性和高放电性能的活性,并且具有优异的可回收性。 该方法包括混合和模制含有导电材料的阳极材料和至少两种AB 5 N型储氢合金的步骤,其中所述合金具有基本上单相结构和相同的组成,其中 每个合金的平均晶体长轴直径为30-350μm,并且其中合金具有不同的平均晶体长轴直径(D 1)与平均短轴直径(D)之比(D 1 / D 2) 2)。