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    • 22. 发明申请
    • GAS DIFFUSION ELECTRODES FOR BATTERIES SUCH AS METAL-AIR BATTERIES
    • 用于电池的气体扩散电极如金属气体电池
    • US20130089795A1
    • 2013-04-11
    • US13386872
    • 2010-07-23
    • Gregory V. ChaseDan D. AddisonMario BlancoKenji A. SasakiJasim Uddin
    • Gregory V. ChaseDan D. AddisonMario BlancoKenji A. SasakiJasim Uddin
    • H01M12/08H01M4/04
    • H01M12/08H01M4/0433H01M4/0471H01M4/0473H01M4/8605H01M4/96H01M6/14H01M12/06Y02E60/128Y02E60/50Y10T29/49108
    • The present invention generally relates to batteries and, in particular, to electrodes for use in batteries such as non-aqueous metal-air batteries, for example, lithium-air batteries, as well as in other electrochemical devices. Such devices may exhibit improved performance characteristics (e.g. power, cycle life, capacity, etc.). One aspect of the present invention is generally directed to electrodes for use in such devices containing one or more pores or channels for transport of gas and/or electrolyte therein, e.g., forming an open porous network. In certain embodiments, the electrolyte may be a gel or a polymer. In some embodiments, there may be network of such channels or pores within the electrode such that no active site within the electrode is greater than about 50 micrometers distant from a gas channel. In some embodiments, such systems may be created using electrodes containing gel or electrolyte polymers, and/or by forming electrodes having different wettabilities such that certain regions preferentially attract the electrolyte compared to other regions, thereby causing self-organization of the electrolyte within the electrode. Other aspects of the invention are generally directed to methods of making such batteries or electrochemical devices, methods of using such batteries or electrochemical devices, kits involving such batteries or electrochemical devices, or the like.
    • 本发明一般涉及电池,特别涉及用于电池的电极,例如非水性金属 - 空气电池,例如锂 - 空气电池,以及其它电化学装置。 这样的装置可以表现出改进的性能特征(例如功率,循环寿命,容量等)。 本发明的一个方面通常涉及用于这种装置中的电极,其包含用于在其中输送气体和/或电解质的一个或多个孔或通道,例如形成开放的多孔网络。 在某些实施方案中,电解质可以是凝胶或聚合物。 在一些实施例中,在电极内可能存在这样的通道或孔的网络,使得电极内的活性位点不超过距离气体通道约50微米。 在一些实施例中,可以使用含有凝胶或电解质聚合物的电极和/或通过形成具有不同润湿性的电极来产生这样的系统,使得某些区域优先吸引电解质与其它区域相比,从而导致电极内的电解质的自组织 。 本发明的其他方面通常涉及制造这种电池或电化学装置的方法,使用这种电池或电化学装置的方法,涉及这种电池或电化学装置的试剂盒等。
    • 26. 发明申请
    • POWER SUPPLY
    • 电源
    • US20110316484A1
    • 2011-12-29
    • US13255678
    • 2009-03-10
    • Frank de WitFlorin Tatar
    • Frank de WitFlorin Tatar
    • H02J7/00
    • H01M6/14H01M4/382H01M6/5033H01M16/00H01M2200/108
    • The present invention concerns a power supply (10) comprising a primary cell (11) adapted to provide a primary cell current. The primary cell (11) comprises an anode, a cathode current collector and an electrolyte, whereby a passivation layer is formed on a surface of the anode as a result of a chemical reaction between the anode and the electrolyte. To ensure that the passivation layer remains essentially intact for the lifetime of the primary cell, the power supply (10) further comprises a current limiter (12) that is configured to prevent the magnitude of the primary cell current exceeding a value that would damage the passivation layer.
    • 本发明涉及一种电源(10),其包括适于提供初级电池电流的主电池(11)。 主电池(11)包括阳极,阴极集电器和电解质,由于阳极和电解质之间的化学反应的结果,在阳极的表面上形成钝化层。 为了确保钝化层在主电池的寿命期间基本上保持完整,电源(10)还包括电流限制器(12),其被配置为防止主电池电流的大小超过将损坏主电池电流的值 钝化层。
    • 30. 发明授权
    • Electrochemical cell having a galaxy wind design
    • 具有星系风设计的电化学电池
    • US07718310B1
    • 2010-05-18
    • US11552156
    • 2006-10-24
    • Dominick FrustaciTina UrsoPaul HallifaxKenneth P. Moceri
    • Dominick FrustaciTina UrsoPaul HallifaxKenneth P. Moceri
    • H01M2/16H01M2/14H01M2/02
    • H01M6/14H01M2/0404H01M2/046H01M10/0431H01M10/0525H01M10/0587
    • An electrochemical cell is described. The cell comprises a cathode material contacted to a perforated current collector having a portion left uncovered and an anode material contacted to an anode current collector. The anode comprises first and second strips positioned on opposite sides of the cathode, which is also in the form of a strip, but one that is much longer than each of the anode strips. Proximal ends of the anode strips reside adjacent to where the cathode is secured to a terminal pin/sleeve assembly. Distal ends of the anode strips are adjacent to the opposed ends of the cathode strip. A separator sheet segregating the anode from direct contact with the cathode provides an upper portion at least partially sealed to a lower portion along an aligned peripheral edge and through the uncovered perforations of the cathode current collector to lock the cathode in position. The anode and cathode are then wound into a galaxy electrode assembly housed in a cylindrical casing and activated with an electrolyte.
    • 描述了电化学电池。 电池包括与具有未被覆盖的部分和与阳极集电器接触的阳极材料的穿孔集电体接触的阴极材料。 阳极包括位于阴极的相对侧上的第一和第二条带,其也是条带的形式,但是比每个阳极条长得多。 阳极条的近端位于阴极固定到端子销/套管组件的附近。 阳极条的远端与阴极条的相对端相邻。 将阳极偏离与阴极直接接触的隔片提供了沿着对齐的外围边缘和通过阴极集电器的未覆盖穿孔至少部分地密封到下部的上部,以将阴极锁定在适当位置。 然后将阳极和阴极卷绕成容纳在圆柱形壳体中并用电解质活化的星系电极组件。