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    • 43. 发明授权
    • Electrochemical cell
    • 电化学电池
    • US4410608A
    • 1983-10-18
    • US333160
    • 1981-12-21
    • Franz GoebelKathleen M. Kealey
    • Franz GoebelKathleen M. Kealey
    • H01M2/20H01M20060101H01M2/22H01M2/32H01M2/34H01M6/14H01M6/50H01M2/26
    • H01M6/14H01M2/34H01M6/50
    • A primary electrochemical cell of a design for reducing or minimizing parasitic self-discharge of the cell during storage and subsequent discharge of the cell. The cell includes a tubular porous carbon cathode structure disposed within a metal housing of the cell and spaced from an anode structure by an insulative separator material. The carbon cathode structure and the anode structure are exposed to an electrolytic solution including a reducible soluble cathode (e.g., thionyl chloride) which is catalytically reduced during discharge of the cell at the surface of the carbon cathode structure.The anode structure includes an elongated, cylindrical lithium electrode located centrally within, and spaced from, the housing, and a thin, bare, flexible metal element at the potential of the lithium electrode and coupled between the lithium electrode and a feedthrough member provided in a top cover of the housing. The surface areas of the flexible metal element and the lithium electrode are established such that the surface area of the wire is about 1-10 percent of the initial (pre-discharge) surface area of the lithium electrode for minimizing the parasitic catalytic reduction of the soluble cathode at the surface of the flexible metal element. The flexible metal element and feedthrough member may also be covered with an anti-parasitic discharge material for preventing catalytic reduction of the soluble cathode at the surfaces of the flexible metal element and feedthrough member covered with the anti-parasitic discharge material.
    • 用于在存储和随后的电池放电期间减小或最小化电池的寄生自放电的设计的主要电化学电池。 电池包括管状多孔碳阴极结构,其设置在电池的金属壳体内,并通过绝缘隔板材料与阳极结构隔开。 碳阴极结构和阳极结构暴露于包括在碳阴极结构的表面放电期间催化还原的可还原可溶性阴极(例如亚硫酰氯)的电解溶液。 阳极结构包括位于壳体中心并与壳体间隔开的细长的圆柱形锂电极,以及在锂电极的电位处的薄而裸露的柔性金属元件,并且耦合在锂电极和设置在锂电极中的馈通构件之间 房屋顶盖。 柔性金属元素和锂电极的表面积被建立为使得电线的表面积为锂电极的初始(预放电)表面积的约1-10%,用于最小化电极的寄生催化还原 在柔性金属元件表面的可溶性阴极。 柔性金属元件和馈通构件也可以用防寄生放电材料覆盖,以防止可挠性金属元件和被反寄生放电材料覆盖的馈通件的表面上的可溶性阴极的催化还原。
    • 44. 发明授权
    • Method for internally discharging an electrochemical cell
    • 用于内部放电电化学电池的方法
    • US4407909A
    • 1983-10-04
    • US286218
    • 1981-07-23
    • Franz Goebel
    • Franz Goebel
    • H01M2/30H01M6/50H01M10/44H01M6/00H01M6/20H01M14/00
    • H01M6/50H01M10/44H01M10/448H01M2/30H01M2200/00
    • A method for completing the discharge of a primary electrochemical cell in which the discharge has prematurely ceased or has significantly diminished. A primary electrochemical cell to which the method of the invention is applicable includes a plurality of anode and cathode structures arranged in alternation, and an electrolytic solution. Each of the anode structures and the electrolytic solution includes a component subject to consumption by chemical action within the cell during discharge. The anode and cathode structures are connected to external electrical terminals of the cell by way of metal tabs and metal bus bar assemblies. In the event of the occurrence of an open circuit break or other impairment of the internal electrical connections between the anode and cathode structures and the external electrical terminals resulting in a cessation or significant diminishing of the discharge of the cell, the discharge of the cell is completed by introducing a moderately electrically-conductive load shunt material, such as a carbon material, into the cell to bridge the internal electrical metal tabs and bus bar assemblies. The material is selected to be chemically inert with the internal components of the cell and operates to establish an internal electrical load shunt across the metal tabs and bus bar assemblies for permitting discharge of the cell until consumable components of the cell have been consumed by chemical reaction within the cell causing termination of chemical action within the cell.
    • 完成放电过早停止或明显减少的初级电化学电池的放电的方法。 可应用本发明方法的主要电化学电池包括交替布置的多个阳极和阴极结构以及电解溶液。 阳极结构和电解液中的每一个包括在放电期间通过电池内的化学作用消耗的成分。 阳极和阴极结构通过金属接线片和金属母线组件连接到电池的外部电气端子。 在阳极和阴极结构和外部电气端子之间的内部电连接发生断路或其他损坏的情况下,导致电池的放电停止或显着减小,电池的放电是 通过将诸如碳材料的适度导电的负载分流材料引入电池来完成,以桥接内部电气金属接线片和母线组件。 该材料被选择为与电池的内部组件化学惰性,并且操作以在金属接线片和汇流条组件上建立内部电力负载分流,以允许电池放电,直到电池的可消耗部件已经被化学反应消耗 在细胞内引起细胞内化学作用的终止。
    • 45. 发明授权
    • Multi-element anode structures for electrochemical cells
    • 用于电化学电池的多元件阳极结构
    • US4369237A
    • 1983-01-18
    • US319812
    • 1981-11-09
    • Franz Goebel
    • Franz Goebel
    • H01M4/06H01M6/14H01M4/02
    • H01M4/06H01M6/14
    • Anode structures for primary electrochemical cells. An anode structure in accordance with a first embodiment of the invention includes a metal screen (e.g., of nickel) and a plurality of spaced-apart lithium anode elements arranged in a predetermined pattern (e.g., row and column) and embedded within the metal screen. A metal frame is connected with and surrounds the metal screen and has an electrical terminal extending therefrom.An anode structure in accordance with a second embodiment of the invention is similar to that of the first embodiment with the exception that the spaces between the lithium anode elements of the anode structure of the second embodiment are filled with a heat-absorbing porous insulative separator material.
    • 主要电化学电池的阳极结构。 根据本发明的第一实施例的阳极结构包括金属筛(例如镍)和以预定图案(例如,行和列)布置并嵌入在金属屏幕内的多个间隔开的锂阳极元件 。 金属框架与金属屏幕连接并围绕金属屏幕并且具有从其延伸的电气端子。 根据本发明的第二实施例的阳极结构与第一实施例的阳极结构类似,不同之处在于第二实施例的阳极结构的锂阳极元件之间的空间填充有吸热多孔绝缘隔板材料 。
    • 46. 发明授权
    • Electrochemical cell
    • 电化学电池
    • US4347293A
    • 1982-08-31
    • US145181
    • 1980-04-29
    • Franz GoebelCyril Morgan
    • Franz GoebelCyril Morgan
    • H01M2/26H01M4/96H01M6/14H01M6/02
    • H01M2/26H01M4/96H01M6/14
    • A primary electrochemical cell having a carbon current collector cathode structure of improved design. The electrochemical cell includes an elongated housing containing an electrolytic solution and a battery stack in contact with the electrolytic solution. The battery stack includes a concentric arrangement of an anode, a porous separator, and a carbon current collector cathode structure. The carbon current collector cathode structure in accordance with the invention includes a vertical stacked array of annular-shaped porous carbon elements having coaxially aligned openings therein. An elongated, hollow, metal current collector tube having a large number of small openings formed therein for its entire length is disposed within and along the openings in the array of carbon elements and in direct physical contact with the carbon elements. The electrolytic solution in the cell is supplied directly to the array of carbon elements and also by way of the openings in the current collector tube. The carbon elements have a network of electrolytic conducting channels therein and respond to the electrolytic solution received thereby to swell or expand outwardly against the porous separator and anode. As a result, constituent particles of the carbon elements fill the openings in the current collector tube, thereby permanently locking the array of carbon elements to the tube.
    • 具有改进设计的碳集电极阴极结构的主电化学电池。 电化学电池包括含有电解液的细长壳体和与电解液接触的电池组。 电池堆包括阳极,多孔隔板和碳集电器阴极结构的同心排列。 根据本发明的碳集电器阴极结构包括其中具有同轴对准的开口的环形多孔碳元件的垂直堆叠阵列。 具有在其整个长度上形成的大量小开口的细长的中空的金属集流管设置在碳元素阵列内并沿着碳元素阵列的开口并与碳元素直接物理接触。 电池中的电解液直接供应到碳元素阵列,并且还通过集电管中的开口供应。 碳元素在其中具有电解导电通道网络,并且响应于所接收的电解溶液而使多孔隔板和阳极向外膨胀或膨胀。 结果,碳元素的构成颗粒填充集流管中的开口,从而将碳元素阵列永久地锁定到管中。
    • 48. 发明授权
    • Electrochemical cell insensitive to physical orientation
    • 电化学电池对物理取向不敏感
    • US4283468A
    • 1981-08-11
    • US145177
    • 1980-04-29
    • Franz GoebelCyril Morgan
    • Franz GoebelCyril Morgan
    • H01M2/38H01M6/14
    • H01M6/14H01M2/38
    • A primary electrochemical cell insensitive to physical orientation or position over the rated life span of the cell. The cell includes an elongated metal housing and a battery stack disposed intermediate to the ends of the housing to define first and second electrolyte reservoirs at the ends of the housing. The battery stack includes an electrolyte-conducting opening or channel therethrough in direct communication with the first and second reservoirs and is fixed in position in the housing by means of pedestals within the reservoirs and in abutment with the battery stack. The pedestals have a number of openings therein by which electrolyte solution in the reservoirs can pass unrestrictedly to the battery stack and to the opening through the battery stack. The electrolyte solution is of a type which is consumed by reaction within the cell over the rated life span of the cell leading to a volume loss of the electrolyte solution. The reservoirs and the opening through the stack, together with electrolyte conducting channels in porous components of the stack, cooperate in the event of a change in the physical orientation of the cell over its rated life span to shift the electrolyte solution within the cell so as to continue to supply electrolyte solution to the battery stack and thereby prevent an electrolyte "starvation" condition in the cell.
    • 对电池额定寿命内的物理取向或位置不敏感的主电化学电池。 电池包括细长的金属外壳和设置在外壳的端部中间的电池组,以在壳体的端部限定第一和第二电解质储存器。 电池堆包括通过其与第一和第二储存器直接连通的电解质导电开口或通道,并且通过基座在储存器内并与电池堆叠邻接而固定在壳体中的适当位置。 基座具有多个开口,储存器中的电解液可以通过该开口不受限地地通过电池堆和通过电池堆的开口。 电解质溶液是一种类型,其在电池的额定寿命内在电池内被反应消耗,导致电解质溶液的体积损失。 储存器和通过堆叠的开口以及堆叠的多孔组分中的电解质导电通道在电池在其额定寿命内的物理取向发生变化的情况下配合,以将电解质溶液移动到电池内,以便 继续向电池堆提供电解质溶液,从而防止电池中的电解液“饥饿”状况。
    • 49. 发明授权
    • Primary electrochemical cell
    • 主要电化学电池
    • US4060668A
    • 1977-11-29
    • US614467
    • 1975-09-18
    • Franz Goebel
    • Franz Goebel
    • H01M4/06H01M6/14H01M4/00
    • H01M6/14H01M4/06
    • A primary electrochemical cell is described in which a novel granular cathode material is utilized. The cathode is formed from about 40 to 99 weight percent of carbon black, at least 1 weight percent of a mechanical binder which is inert in the primary electrochemical cell and the remainder thereof is graphite. The cathode material may be formed by mixing the individual components together with a quantity of a suitable liquid to form a uniform slurry. The slurry is then dried at room temperature to remove the liquid. The dried mixture is crumbled into fine particles. The particles are cured at an elevated temperature to stabilize the mechanical binder. The resulting material when utilized as the cathode material of a primary electrochemical cell provides a porous carbon structure of high surface area in which a network of large channels exists for continual diffusion of electrolytic solution to the carbon cathodic particles throughout the entire volume of the cell cathode regardless of the cell size.
    • 描述了一种主要的电化学电池,其中使用了新的粒状阴极材料。 阴极由约40至99重量%的炭黑形成,至少1重量%的机械粘合剂在主要电化学电池中是惰性的,其余部分是石墨。 阴极材料可以通过将各个组分与一定量的合适液体混合以形成均匀的浆料而形成。 然后将浆液在室温下干燥以除去液体。 将干燥的混合物粉碎成细颗粒。 颗粒在升高的温度下固化以稳定机械粘合剂。 当用作主要电化学电池的阴极材料时,所得到的材料提供了高表面积的多孔碳结构,其中存在大通道的网络,用于在电池阴极的整个体积中电解溶液连续扩散到碳阴极颗粒 不管细胞大小。