Electrochemical cell
    31.
    发明授权
    Electrochemical cell 失效
    电化学电池

    公开(公告)号:US4405694A

    公开(公告)日:1983-09-20

    申请号:US333093

    申请日:1981-12-21

    CPC分类号: H01M2/32 H01M6/14

    摘要: A primary electrochemical cell of a design for reducing parasitic self-discharge of the cell during storage and subsequent discharge of the cell. The cell includes a tubular porous carbon cathode structure 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 member located centrally within, and spaced from, the housing, and an electrically-conductive metal assembly at the potential of the lithium electrode and connected between the lithium electrode and a feedthrough member provided in a top cover for the housing. All or portions of the electrically-conductive metal assembly, as well as the feedthrough member, are selectively covered with a sufficiently chemically-stable, catalytically-inert anti-parasitic discharge material for preventing the undesirable catalytic reduction of the soluble cathode at the surfaces of the electrically-conductive metal assembly and feedthrough member covered by the anti-parasitic discharge material.

    摘要翻译: 设计用于在存储和随后的电池放电期间减小电池的寄生自放电的主要电化学电池。 电池包括在电池的金属外壳内的管状多孔碳阴极结构,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构件,以及在锂电极的电位处并连接在锂电极和设置在顶部中的馈通构件之间的导电金属组件 住房盖。 导电金属组件以及馈通构件的全部或部分被选择性地覆盖有足够化学稳定的催化惰性的防寄生放电材料,以防止可溶性阴极在表面的不期望的催化还原 所述导电金属组件和由所述反寄生放电材料覆盖的馈通构件。

    Electrochemical cell
    32.
    发明授权
    Electrochemical cell 失效
    电化学电池

    公开(公告)号:US4376811A

    公开(公告)日:1983-03-15

    申请号:US333094

    申请日:1981-12-21

    申请人: Franz Goebel

    发明人: Franz Goebel

    CPC分类号: H01M2/26 H01M2/34 H01M6/14

    摘要: A primary electrochemical cell of a design for reducing 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 at the surface of the carbon cathode structure during discharge of the cell.The anode structure includes an elongated, cylindrical, lithium electrode located centrally within, and spaced from, the housing; an elongated solid or hollow glass or ceramic member having a first portion embedded within the lithium electrode and a second portion extending outwardly from the lithium electrode; an electrically-conductive metal material disposed on the first portion of the glass or ceramic member and in physical and electrical contact with the lithium electrode; and an electrically-conductive, flexible, metal jumper element connected between the electrically-conductive metal material and an elongated metal feedthrough member in a top cover of the cell. The jumper element and the feedthrough member are selectively covered with a sufficiently chemically-stable, catalytically-inert anti-parasitic discharge material for preventing the undesirable catalytic reduction of the soluble cathode at the surfaces of the jumper element and feedthrough member covered by the anti-parasitic discharge material.

    摘要翻译: 设计用于在存储和随后的电池放电期间减小电池的寄生自放电的主要电化学电池。 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电解液,该电解溶液包括在电池放电期间在碳阴极结构的表面处被催化还原的可还原可溶性阴极(例如亚硫酰氯)。 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; 细长的实心或中空玻璃或陶瓷构件,其具有嵌入锂电极内的第一部分和从锂电极向外延伸的第二部分; 设置在玻璃或陶瓷构件的第一部分上并与锂电极物理和电接触的导电金属材料; 以及连接在所述电池的顶盖中的所述导电金属材料和细长金属馈通构件之间的导电的,柔性的金属跳线元件。 跳线元件和馈通构件被选择性地覆盖有充分的化学稳定的催化惰性的防寄生放电材料,用于防止跳线元件的表面上的可溶性阴极的不期望的催化还原, 寄生放电材料。

    Method for assembling an electrochemical cell
    33.
    发明授权
    Method for assembling an electrochemical cell 失效
    组装电化学电池的方法

    公开(公告)号:US4372038A

    公开(公告)日:1983-02-08

    申请号:US286217

    申请日:1981-07-23

    申请人: Franz Goebel

    发明人: Franz Goebel

    IPC分类号: H01M4/70 H01M6/14 H01M2/06

    摘要: A method for assembling a primary electrochemical cell including a carbon cathode structure. An anode structure, a porous separator and an elongated porous carbon element are arranged concentrically with respect to each other and positioned within an elongated housing of an electrochemical cell. The porous carbon element has a guide opening extending therealong for a portion of its entire length. A generally V-shaped, tapered, resilient, unitary metal current collector element is secured to a feedthrough member/cover assembly of the cell and introduced into the guide opening of the porous carbon element. The current collector element is then pushed, using the cover for this purpose, along the guide opening of the carbon element and then beyond the termination of the guide opening whereby the current collector element penetrates the material of the carbon element and becomes embedded within the carbon element. The current collector element is dimensioned relative to the guide opening in the carbon element so as to exert, when embedded within the carbon element, an outwardly directed force against internal portions of the carbon elements and the other internal components of the cell.

    摘要翻译: 一种用于组装包括碳阴极结构的初级电化学电池的方法。 阳极结构,多孔分离器和细长多孔碳元素相对于彼此同心地布置并且定位在电化学电池的细长壳体内。 多孔碳元件具有沿其整个长度的一部分延伸的引导开口。 通常为V形,锥形的,弹性的,单一的金属集流体元件被固定到电池的馈通构件/盖组件并被引入到多孔碳元素的引导开口中。 然后,通过使用用于此目的的盖子推动集电器元件沿着碳元件的引导开口,然后超出引导开口的终止,由此集电器元件穿透碳元素的材料并嵌入碳中 元件。 集电器元件相对于碳元件中的引导开口尺寸设定,以便当嵌入在碳元素内时,对碳元素和电池的其它内部元件的内部部分施加向外的力。

    Metal substrate for an electrochemical cell
    34.
    发明授权
    Metal substrate for an electrochemical cell 失效
    用于电化学电池的金属基底

    公开(公告)号:US4315060A

    公开(公告)日:1982-02-09

    申请号:US159267

    申请日:1980-06-13

    CPC分类号: H01M6/46 H01M4/70

    摘要: A metal current collector substrate adapted to be inserted into an elongated cylindrical housing of a primary electrochemical cell. The metal current collector substrate is employed together with porous carbon and fiberglass separator elements to form a carbon current collector electrode/separator assembly for use in the electrochemical cell.The metal current collector substrate in accordance with the invention comprises a thin, circular, metal disc (e.g., of nickel) having a plurality of curved notches around its periphery. The notches are equally-spaced about the periphery of the disc (e.g., at 45.degree. intervals) and define a plurality of deflective, resilient arcuate portions intermediate to the notches. Prior to insertion into the housing of the cell, the disc is flat and has a diameter greater than the internal diameter of the housing. The disc is inserted into the housing by pushing the disc longitudinally into the housing whereupon the arcuate portions are deflected upwardly by physical contact with the interior wall of the housing. This deflection causes the arcuate portions to move toward each other and in turn to cause the disc to generally conform to the interior cross section of the housing. The arcuate portions following the deflection thereof are at acute angles with respect to the interior wall of the housing and make direct physical contact with the wall of the housing. In addition, due to the adjacency of the notches in the disc to the wall of the housing, a plurality of passageways are established between the disc and the interior wall of the housing.

    摘要翻译: 金属集电器基板,适于插入主电化学电池的细长圆柱形外壳中。 金属集流体基板与多孔碳和玻璃纤维分离器元件一起使用以形成用于电化学电池的碳集电极电极/分离器组件。 根据本发明的金属集电器基板包括薄的圆形金属盘(例如镍),其周围具有多个弯曲的凹口。 凹口围绕圆周的周边等间隔(例如,以45°间隔),并且在凹口之间限定多个弯曲的,有弹性的弧形部分。 在插入电池壳体之前,该盘是扁平的并且具有大于壳体内径的直径。 通过将盘纵向推入壳体而将盘插入壳体中,由此弓形部分通过与壳体的内壁物理接触而向上偏转。 这种偏转导致弓形部分朝向彼此移动,并且继而导致盘基本上符合壳体的内部横截面。 其偏转之后的弓形部分相对于壳体的内壁呈锐角,并与壳体的壁直接物理接触。 此外,由于盘中的凹口与壳体的壁相邻,在盘和壳体的内壁之间建立了多个通道。

    Integrated carbon/insulator structure and method for fabricating same
    35.
    发明授权
    Integrated carbon/insulator structure and method for fabricating same 失效
    集成碳/绝缘体结构及其制造方法

    公开(公告)号:US4296187A

    公开(公告)日:1981-10-20

    申请号:US159266

    申请日:1980-06-13

    CPC分类号: H01M6/14 H01M4/64 H01M4/96

    摘要: A thin, integrated carbon/insulator structure, and a method for fabricating same, for use in a primary electrochemical cell. A quantity of a wet carbon slurry material including a mixture of carbon black, water and/or isopropyl alcohol, and a binder such as finely-divided "Teflon" in suspension, is deposited onto a porous fiberglass substrate and rolled to a prescribed thickness. The rolling operation causes a portion of the slurry material to diffuse into the surface of the porous fiberglass substrate and permanently adhere to and unite with a surface portion of the fiberglass substrate in an integrated, interlocking fashion.The fiberglass substrate having the layer of carbon slurry material integrated therewith is then dried to cause the layer of carbon slurry material to dry and shrink to the form of a layer of carbon plaque having a network of cracks produced therethrough in a random pattern as a result of the shrinkage during drying. The layer of carbon plaque at this stage represents an aggregation of porous carbon globules. The layer of carbon plaque is re-rolled to close cracks at the upper surface of the layer while simultaneously establishing a desired thickness for the layer. After curing the above arrangement to increase adherence of the carbon globules to each other and to the fiberglass substrate, an integrated carbon/insulator structure of a desired size and configuration for use in a primary electrochemical cell can be cut out from the abovedescribed arrangement.

    摘要翻译: 薄的集成碳/绝缘体结构及其制造方法,用于初级电化学电池。 将一定数量的包含炭黑,水和/或异丙醇的混合物的湿碳浆料和悬浮液中细碎的“特氟纶”的粘合剂沉积在多孔玻璃纤维基材上并轧制至规定的厚度。 轧制操作导致一部分浆料材料扩散到多孔玻璃纤维基材的表面,并以一体化的互锁方式永久地粘合并与玻璃纤维基材的表面部分结合。 然后将具有与其一体化的碳浆料材料层的玻璃纤维基材干燥以使碳浆料材料层干燥并收缩成具有随机图案产生的裂纹网络的碳斑块的形式,结果 的干燥期间的收缩。 该阶段的碳斑层表示多孔碳球的聚集体。 碳层的层被重新卷起以在层的上表面处闭合裂纹,同时为该层确定所需的厚度。 在固化上述布置以增加碳球彼此和玻璃纤维基材的粘附性之后,可以从上述布置中切出用于初级电化学电池的所需尺寸和构型的整体碳/绝缘体结构。

    Method of making a cathode for an electrochemical cell
    36.
    发明授权
    Method of making a cathode for an electrochemical cell 失效
    制造电化学电池阴极的方法

    公开(公告)号:US4161063A

    公开(公告)日:1979-07-17

    申请号:US860699

    申请日:1977-12-15

    摘要: A carbon cathode structure is described comprising an aggregate of discrete, porous, semi-rigid carbon conglomerates which are impressed from both sides onto a screen-like substrate for physical support thereby. The substrate additionally functions as a current collector by uniformly and electrically contacting the interior of the resulting structure. Electrolyte-conducting channels formed between adjacent conglomerates of the thick, porous cathode structure serve to maximize the cell rate capability and cell discharge capacity.

    摘要翻译: 描述了一种碳阴极结构,其包括离散的,多孔的,半刚性的碳结合体的集合体,其从两侧压入屏幕状基底上以进行物理支撑。 该衬底还通过均匀地和电接触所得结构的内部而用作集电器。 在厚多孔阴极结构的相邻砾岩之间形成的电解质导电通道用于使电池速率能力和电池放电容量最大化。

    Getter electrode and improved electrochemical cell containing the same
    37.
    发明授权
    Getter electrode and improved electrochemical cell containing the same 失效
    吸气电极和改进的电化学电池含有相同的

    公开(公告)号:US5006428A

    公开(公告)日:1991-04-09

    申请号:US442033

    申请日:1989-11-28

    IPC分类号: H01M2/14 H01M10/36

    CPC分类号: H01M10/0563 H01M2/14

    摘要: A getter electrode is provided to prevent dendrite formation and growth in electrochemical cells having alkali metal anodes such as lithium. The getter electrode includes a relatively thin, for example, about 2 mil thick layer of active material selected from the group consisting of carbon, graphite and mixtures thereof disposed on an inert substrate such as glass fiber separator paper. The getter electrode is positioned between the anode and the cathode in the cell and is separated from the anode and cathode by separators of fiberglass paper or the like. The getter electrode functions as a cathode with low rate capabilities. When dendrites arrive at the getter electrode from the anode or cathode, they are immediately discharged and not allowed to grow beyond the getter electrode. The result is a dramatic improvement in the cell cycle life and capacity retention.

    Electrochemical cell with container support
    39.
    发明授权
    Electrochemical cell with container support 失效
    带容器支架的电化学电池

    公开(公告)号:US4684588A

    公开(公告)日:1987-08-04

    申请号:US936300

    申请日:1986-12-01

    IPC分类号: H01M6/36 H01M6/38 H01M6/30

    CPC分类号: H01M6/38

    摘要: A reserve cell has cylindrical electrodes surrounding a cell component container, all in a cylindrical housing. A shim has a circular groove accepting one end of an electrode and a socket holding one end of the container. The outer edge of the shim abuts the inner wall of the housing. This arrangement maintains spatial relationships of the cell.

    摘要翻译: 备用电池具有围绕电池组件容器的圆柱形电极,全部在圆柱形壳体中。 垫片具有容纳电极的一端的圆形槽和容纳容器的一端的插座。 垫片的外边缘与壳体的内壁相邻。 这种安排保持了小区的空间关系。

    Electrochemical cell with interlocking anode
    40.
    发明授权
    Electrochemical cell with interlocking anode 失效
    具有互锁阳极的电化学电池

    公开(公告)号:US4684586A

    公开(公告)日:1987-08-04

    申请号:US936299

    申请日:1986-12-01

    IPC分类号: H01M6/36 H01M6/38 H01M6/30

    CPC分类号: H01M6/38

    摘要: An electrochemical reserve cell includes a cylindrical housing a concentric arrangement of a liquid cell component container, a metal anode, a porous separator, and a porous carbon element. The metal anode is cylindrical with a spiral slot extending between its ends and is pressed into a perforated anode support cylinder having adjacent edges welded together. The anode and anode support structure are interlocked together.

    摘要翻译: 电化学储备池包括圆柱形壳体,液体电池组件容器,金属阳极,多孔分离器和多孔碳元素的同心布置。 金属阳极是圆柱形的,具有在其端部之间延伸的螺旋槽,并被压入具有焊接在一起的相邻边缘的穿孔阳极支撑筒中。 阳极和阳极支撑结构互锁在一起。