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    • 11. 发明授权
    • Electrochemical cell
    • 电化学电池
    • US4722875A
    • 1988-02-02
    • US908571
    • 1986-09-18
    • Michael L. Wright
    • Michael L. Wright
    • H01M4/02H01M10/38H01M10/39H01M10/36
    • H01M10/39Y10T29/49108
    • This invention provides a method of making a cathode for a high temperature rechargeable electrochemical cell. A mixture is formed in particulate form of an alkali metal chloride such as sodium chloride and a substance comprising a transition metal such as iron, and the mixture is impregnated with a chloride ion-containing alkali metal aluminium halide molten salt liquid electrolyte such as molten sodium aluminium chloride. The impregnated mixture is then subjected to at least one charge cycle in a high temperature cell in which it forms the cathode and is separated from an alkali metal anode by a solid electrolyte separator.
    • 本发明提供了制造用于高温可再充电电化学电池的阴极的方法。 混合物形成为碱金属氯化物的颗粒形式,例如氯化钠和包含过渡金属如铁的物质,并将混合物用含氯离子的碱金属铝卤化物熔融盐液体电解质如熔融钠 氯化铝。 然后将浸渍的混合物在其形成阴极的高温电池中进行至少一个充电循环,并通过固体电解质分离器与碱金属阳极分离。
    • 12. 发明授权
    • Method of making analogues of .beta.-alumina
    • 制造β-氧化铝类似物的方法
    • US5458868A
    • 1995-10-17
    • US375043
    • 1995-01-17
    • Peter Barrow
    • Peter Barrow
    • C01F7/02C01F7/00C01F7/04
    • C01F7/028C01P2002/32C01P2002/72C01P2002/78C01P2004/62
    • The invention provides a method of making an analogue of .beta."-alumina, the analogue having a layered .beta."-alumina spinel-type structure in which ate least some of the Na ions in the layers of Na ions separated by layers of Al and O ions in said .beta."-alumina spinel-type structure are replaced by substitute metal cations. The substitute metal cations are mono-, d- and/or trivalent. The method comprises dispersing in a boehmite having a well developed and highly ordered crystal structure at least one oxide of the substitute metal cations or a precursor thereof to form a starting mixture, and heating the mixture to a conversion temperature at which it is converted to the analogue.
    • 本发明提供了制备β“ - 氧化铝类似物的方法,该类似物具有层状β” - 氧化铝尖晶石型结构,其中Na离子层中的至少一些Na离子被Al层分离 并且所述β“ - 氧化铝尖晶石型结构中的O离子被替代的金属阳离子代替。 替代金属阳离子是单,二和/或三价。 该方法包括将具有良好显影和高度有序晶体结构的勃姆石分散在至少一种替代金属阳离子或其前体的氧化物上以形成起始混合物,并将该混合物加热至转化温度 类似物。
    • 14. 发明授权
    • Electrochemical cell
    • 电化学电池
    • US4975343A
    • 1990-12-04
    • US357519
    • 1989-05-24
    • Johan Coetzer
    • Johan Coetzer
    • H01M10/39
    • H01M10/39H01M10/399Y10T29/49108
    • An electrochemical cell has a molten alkali metal anode separated by a separator which is a conductor of anode ions from an alkali metal aluminium halide molten electrolyte which couples the anode to a cathode having an active material comprising Fe, Ni, Co, Cr and/or Mn. The molten electrolyte is doped by a dopant M.sub.2 X, MY or M.sub.A Z in which M is the anode metal, X, Y and Z are respectively anions which are divalent, monovalent and polyvalent. The dopant acts to reduce the Lewis acidity of the molten electrolyte.
    • 电化学电池具有通过分离器分离的熔融碱金属阳极,隔板是来自碱金属铝卤化物熔融电解质的阳极离子的导体,其将阳极耦合到具有包含Fe,Ni,Co,Cr和/或 Mn。 熔融电解质由掺杂剂M2X,MY或MAZ掺杂,其中M是阳极金属,X,Y和Z分别是二价,一价和多价的阴离子。 掺杂剂用于降低熔融电解质的路易斯酸度。
    • 15. 发明授权
    • Electrochemical cell
    • 电化学电池
    • US4795685A
    • 1989-01-03
    • US873168
    • 1986-06-11
    • Roger J. BonesRoy C. GallowayJohan CoetzerDavid A. Teagle
    • Roger J. BonesRoy C. GallowayJohan CoetzerDavid A. Teagle
    • H01M4/52H01M10/39H01M10/42
    • H01M10/39H01M10/4235
    • The invention provides a method of protecting an electrochemical cell which has a molten sodium anode, a chloride-ion containing sodium aluminum halide molten salt electrolyte, an iron-containing cathode in contact with the electrolyte and a solid conductor of sodium ions which separates the anode from the electrolyte, from the adverse effects of overcharging. The method comprises operating the cell, to prevent oxidation of iron to FeCl.sub.3 in the cathode, by connecting it in parallel with a protective cell having an open circuit charging plateau at a voltage less than the open circuit voltage of the Fe/FeCl.sub.3 //Na plateau of the cell being protected, and greater than the open circuit voltage, in its fully charged state, of the cell being protected. The invention also provides a cell of this type protected in this fashion, a battery including one or more such protected cells, and a cathode for such cells.
    • 本发明提供了一种保护电化学电池的方法,该电化学电池具有熔融的钠阳极,含氯化钠的卤化钠熔融盐电解质,与电解质接触的含铁阴极和钠离子的固体导体,其分离阳极 从电解液,过度充电的不利影响。 该方法包括操作电池,以防止铁在阴极中氧化成FeCl 3,通过将其与具有低于Fe / FeCl 3 // Na的开路电压的开路充电平台的保护电池并联连接 电池的高原被保护,并且大于被保护的电池的处于其完全充电状态的开路电压。 本发明还提供以这种方式保护的这种类型的电池,包括一个或多个这种受保护的电池的电池和用于这种电池的阴极。
    • 16. 发明授权
    • Manufacture of electrochemical cells
    • 电化学电池的制造
    • US4772293A
    • 1988-09-20
    • US40925
    • 1987-04-21
    • Walter G. BugdenPeter R. Smith
    • Walter G. BugdenPeter R. Smith
    • H01M2/02C04B37/02H01M2/04H01M10/39H01M2/00B23K31/02
    • H01M2/0447H01M10/39Y10T29/49108
    • The invention provides a method of manufacturing an electrochemical cell housing wherein a beta-alumina tube has an open end attached to a casing via an alpha-alumina ring. In the method the alpha-alumina ring is thermocompression bonded to a metal ring by hot isostatic pressing, the alpha-alumina ring is then glass welded to the open end of the tube, and the metal ring is metal welded to the casing. The invention also provides a cell housing wherein a beta-alumina tube is located in spaced relationship within a metal casing. The tube is glass welded to an alpha-alumina ring which is thermocompression bonded on a curved radially facing surface thereof to a metal ring, the metal ring being metal welded to the casing.
    • 本发明提供了一种制造电化学电池壳体的方法,其中β-氧化铝管具有通过α-氧化铝环连接到壳体的开口端。 在该方法中,通过热等静压将α-氧化铝环热压接合到金属环上,然后将α-氧化铝环玻璃焊接到管的开口端,金属环被金属焊接到壳体上。 本发明还提供了一种电池壳体,其中β-氧化铝管在金属壳体内以间隔的关系定位。 该管被玻璃焊接到α-氧化铝环上,该α-氧化铝环在其弯曲的径向对置的表面上被热压粘合到金属环上,金属环被金属焊接到壳体上。
    • 17. 发明授权
    • Electrochemical cell
    • 电化学电池
    • US4612266A
    • 1986-09-16
    • US765122
    • 1985-08-13
    • Roger J. BonesRoy C. GallowayJohan CoetzerDavid A. Teagle
    • Roger J. BonesRoy C. GallowayJohan CoetzerDavid A. Teagle
    • H01M4/52H01M10/39H01M10/42H01M4/36
    • H01M10/39H01M10/4235
    • The invention provides a method of protecting an electrochemical cell which has a molten sodium anode, a chloride-ion containing sodium aluminum halide molten salt electrolyte, an iron-containing cathode in contact with the electrolyte and a solid conductor of sodium ions which separates the anode from the electrolyte, from the adverse effects of overcharging. The method comprises operating the cell, to prevent oxidation of iron to FeCl.sub.3 in the cathode, by connecting it in parallel with a protective cell having an open circuit charging plateau at a voltage less than the open circuit voltage of the Fe/FeCl.sub.3 //Na plateau of the cell being protected, and greater than the open circuit voltage, in its fully charged state, of the cell being protected. The invention also provides a cell of this type protected in this fashion, a battery including one or more such protected cells, and a cathode for such cells.
    • 本发明提供了一种保护电化学电池的方法,该电化学电池具有熔融的钠阳极,含氯化钠的卤化钠熔融盐电解质,与电解质接触的含铁阴极和钠离子的固体导体,其分离阳极 从电解液,过度充电的不利影响。 该方法包括操作电池,以防止铁在阴极中氧化成FeCl 3,通过将其与具有低于Fe / FeCl 3 // Na的开路电压的开路充电平台的保护电池并联连接 电池的高原被保护,并且大于被保护的电池的处于其完全充电状态的开路电压。 本发明还提供以这种方式保护的这种类型的电池,包括一个或多个这种受保护的电池的电池和用于这种电池的阴极。
    • 20. 发明授权
    • Electrochemical cell
    • 电化学电池
    • US4895773A
    • 1990-01-23
    • US253267
    • 1988-10-04
    • Roger J. BonesJames L. Sudworth
    • Roger J. BonesJames L. Sudworth
    • H01M10/39H01M10/42
    • H01M10/39H01M10/42
    • The invention provides a rechargeable electrochemical power storage cell. The cell has an anode compartment defined between a cell casing and a separator, the anode compartment containing active anode material which is liquid at the operating temperature of the cell. The separator defines a cathode compartment containing an electrolyte which is liquid at the operating temperature of the cell, and an active cathode material. The separator separates said compartments from each other and during discharge of the cell the active anode material passes from the anode compartment to the cathode compartment through the separator, to enter the cathode compartment in ionic form. The active anode material passes through the separator from the cathode compartment to the anode compartment during charging of the cell. At least one of said compartments is sealed and is provided with switch means, which switch means is operative in response to an excursion, past a threshold value, of pressure in the sealed compartment arising from passage of active anode material through the separator during operation of the cell while it is connected to an external circuit, to prevent further operation of the cell while said pressure remains past said threshold value.
    • 本发明提供一种可再充电电化学蓄电池。 该电池具有限定在电池壳体和隔板之间的阳极室,阳极室包含在电池工作温度下为液态的活性阳极材料。 分离器限定了包含在电池的工作温度下为液体的电解质的阴极室和活性阴极材料。 隔板将隔间彼此隔开,并且在电池放电期间,活性阳极材料通过隔板从阳极隔室通过阴极隔室,以离子形式进入阴极室。 活性阳极材料在电池充电期间通过分离器从阴极室传递到阳极室。 所述隔间中的至少一个是密封的,并且设置有开关装置,该开关装置响应于在活动阳极材料通过隔离件期间在密封隔室中的偏移超过阈值的偏移而操作, 该单元在连接到外部电路时,以防止在所述压力保持超过所述阈值时电池的进一步操作。