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    • 1. 发明申请
    • ELECTROCHEMICAL CELL
    • 电化学电池
    • WO1981003720A1
    • 1981-12-24
    • PCT/US1981000684
    • 1981-05-21
    • GTE PROD CORP
    • GTE PROD CORPGOEBEL FMCHUGH W
    • H01M06/14
    • H01M4/64H01M6/12H01M6/14H01M6/46
    • A high-rate, low-temperature, primary electrochemical cell (1). The cell in accordance with the invention includes an elongated cylindrical metal housing (2) within which a vertical array of battery stack components (3) is disposed and exposed to a cathodelectrolyte solution (5). Each of the battery stack components has an opening therein through which an elongated metal rod (6) located centrally within the housing passes and serves as an electrical terminal for the cell. The components of the battery stack include a plurality of thin, flat, circular, lithium anode discs (15a) secured to the metal rod, and a plurality of carbon current collector cathode/insulator structures (16) arranged in the array in alternation with the lithium anode discs. Each of the carbon current collector cathode/insulator structures includes a generally circular, thin, metal current collector (20) spaced from the metal rod by way of the opening therein and having a size and shape so as to generally conform to the interior configuration of the housing and make direct physical contact with an interior wall of the housing. First and second circular, flat, thin, porous carbon layers (22b) are disposed on opposite sides of the metal current collector and spaced from the metal rod by way of the openings therein. First and second circular, flat, porous fiberglass insulators (22a) integrated with the first and second porous carbon layers, respectively, are in direct physical contact with adjacent ones of the lithium anode discs and separate the porous carbon layers from the adjacent lithium anode discs.
    • 主电化学电池(1),高流量,低温。 根据本发明的电池包括圆柱形细长金属外壳(2),其中存在暴露于阴极电解液溶液(5)的一排堆叠的电池组件(3)。 每个堆叠的电池组件具有开口,位于外壳中央的细长金属棒(6)穿过该开口并且用作电池的电端子。 电池部件由固定在金属棒上的多个扁平的圆形薄锂阳极盘(15a)和设置在阵列中的多个碳电流绝缘体/阴极集电极结构(16)组成。 交替与锂盘形成阳极。 每个碳电流绝缘体/阴极集电器结构包括薄金属集电器,金属杆通过其开口的大体圆形(20)空间,并且具有适合于外壳内部并接触的尺寸和形状 与外壳的内壁物理直接接触。 多孔碳(22b)的第一和第二扁平薄圆形层布置在金属集流体的相对侧上并且通过它们的开口与金属杆间隔开。 分别与第一和第二多孔碳层一体化的第一和第二圆形平坦多孔玻璃纤维绝缘体(22a)与相邻的锂阳极盘直接物理接触并分离各层。 来自相邻锂阳极盘的多孔碳。
    • 4. 发明申请
    • TUNGSTEN RECOVERY FROM TUNGSTEN ORE CONCENTRATES BY CAUSTIC DIGESTION
    • TUNGSTEN通过原子吸收从TUNGSTEN ORE浓度恢复
    • WO1982003849A1
    • 1982-11-11
    • PCT/US1982000405
    • 1982-04-01
    • GTE PROD CORP
    • GTE PROD CORPQUATRINI LUCRETIA RVOGT MARTIN CMARTIN BRICE E
    • C01G41/00
    • C01G41/00C22B34/36
    • Du tungstene est recupere a partir de concentre de minerai de tungstene sous la forme de tungstate de sodium par un procede de base dans lequel du minerai est d'abord digere dans une solution d'hydroxyde de sodium, suivi de la dilution de la solution en tungstate de sodium dissous, separation de la solution de la boue insoluble caustique et cristallisation du tungstate de sodium soluble, la presente invention permettant une recuperation amelioree du tungstene a partir de minerai difficile a traiter par les etapes de traitement de broyage du concentre de minerai de tungstene en particules ayant une dimension inferieure au calibre 200 environ, d'addition du minerai triture dans une solution aqueuse d'hydroxyde de sodium a une temperature comprise environ entre 10 et 30 C, dispersion de ce minerai triture dans la solution aqueuse d'hydroxyde de sodium avant la digestion, digestion a une temperature comprise en 75 C et 150 C environ pendant une periode de temps suffisante pour convertir sensiblement toutes les quantites de tungstene en tungstate de sodium dissoluble, et dissolution du melange pour reduire la concentration d'hydroxyde de sodium entre 4,5 et 5,5 molaires environ a une temperature inferieure a 90 C environ pour dissoudre sensiblement tout le tungstate de sodium.
    • 7. 发明申请
    • ELECTROCHEMICAL CELL
    • 电化学细胞
    • WO1981003243A1
    • 1981-11-12
    • PCT/US1981000333
    • 1981-03-16
    • GTE PROD CORP
    • GTE PROD CORPGOEBEL FMORGAN C
    • H01M06/14
    • H01M2/26H01M4/96H01M6/14
    • A primary electrochemical cell (1) having a carbon current collector cathode structure of improved design. The electrochemical cell includes an elongated housing (2) containing an electrolyte solution (5) and a battery stack (3) in contact with the electrolyte solution. The battery stack includes a concentric arrangement of an anode (7), a porous separator (8), and a carbon current collector cathode structure (9). 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 (14) having a large number of small openings (20) 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 electrolyte 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 electrolyte-conducting channels therein and respond to the electrolyte 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.
    • 8. 发明申请
    • METHOD FOR ASSEMBLING AN ELECTROCHEMICAL CELL
    • 组装方法的电化学电池
    • WO1981003719A1
    • 1981-12-24
    • PCT/US1981000686
    • 1981-05-21
    • GTE PROD CORP
    • GTE PROD CORPGOEBEL F
    • H01M06/02
    • H01M4/70H01M2/26H01M6/46Y10T29/49108Y10T29/49911Y10T29/4994
    • A method for assembling a primary electrochemical cell (1). The method in accordance with the invention includes the initial step of arranging a plurality of cell components (15, 20, 22), each having an opening (15f, 20a, 22c) extending therethrough, relative to an elongated, slotted, expandable metal tube (6a) so that the tube is loosely disposed within and along the openings in the cell components and the cell components loosely surround the tube in a stacked array (3). The cell components employed in this step include a plurality of anode structures (15) each having a plurality of resilient, deflective portions (15h) facing in the direction of the metal tube and lying within a flat, common plane. Each of the deflective portions further has a contact edge (15j) facing in the direction of the metal tube. An expanding member in the form of a solid metal rod (6b) is inserted into and progressively advanced along the expandable tube. The expanding member causes the tube to progressively and permanently expand outwardly by an amount to make direct physical contact with the contact edges of the deflective portion of the multiple anode structures, in succession, deflect the deflective portions of each anode structure, and thereafter maintain direct physical contact with the contact edges of each anode structure. By virtue of the above expansion operation, the anode structures are secured to the expanded metal tube.
    • 组装一个主电化学电池的方法(1)。 这个过程在通过后者延伸的多个电池组件(15,20,22),每一个都具有开口(15F,20A,22C),相对于布置在金属首先包括管延伸的可扩展 ,具有以这样的方式的槽(6a)中,该管是已经宽松地和沿着在电池组件中的开口,在一个设备栈松散围绕管细胞成分(3)。 在此步骤中使用的电池组件包括多个阳极结构(15)每一个都具有多个可变形的弹性部件(15H)的寻找在金属管的方向上并位于共同的平面中。 各可变形部还具有在金属管的方向上对置的接触边缘(15D)。 在固体金属管(6b)中的形式的扩张件插入到可膨胀管和其沿逐渐进行。 送风构件逐渐不断的量,使得它进入的物理接触与所述多个结构的可变形部分的接触边缘阳极依次变形部分向外扩张的管 每个阳极结构的变形,然后保持与每个阳极结构的接触边缘直接物理接触。 下上述扩展操作中,阳极结构被固定在金属管膨胀。
    • 9. 发明申请
    • METAL SUBSTRATE FOR AN ELECTROCHEMICAL CELL
    • 用于电化学细胞的金属基质
    • WO1981003718A1
    • 1981-12-24
    • PCT/US1981000685
    • 1981-05-21
    • GTE PROD CORP
    • GTE PROD CORPMCHUGH WGOEBEL F
    • H01M06/00
    • H01M6/46H01M4/70
    • A metal current collector substrate adapted to be inserted into an elongated cylindrical housing (2) of a primary electrochemical cell (1). The metal current collector substrate (20) 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 (20) in accordance with the invention comprises a thin, circular, metal disc (e.g., of nickel) having a plurality of curved notches (20b) around its periphery. The notches are equally spaced about the periphery of the disc (e.g., at 45 intervals) and define a plurality of deflective, resilient arcuate portions (20c) 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 (20c) are deflected upwardly by physical contact with the interior wall of the housing (2). 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.