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    • 3. 发明授权
    • Method of making sintered plaque nickel electrodes
    • 制造烧结斑块镍电极的方法
    • US4292143A
    • 1981-09-29
    • US126640
    • 1980-03-03
    • Harvey N. SeigerVincent J. Puglisi
    • Harvey N. SeigerVincent J. Puglisi
    • H01M4/29H01M4/32H01M4/80H01M10/44C25D11/00
    • H01M4/29H01M4/32H01M4/80
    • The improved method of the invention comprises electrochemically depositing nickel hydroxide into the pores of a clean sintered nickel plaque cathode from heated aqueous electrolyte at acid pH in a treating zone containing an anode, while minimizing corrosion of the plaque. The electrochemical deposition is continued only until a loading level of about 2 grams per cubic centimeter of void volume in the plaque is obtained. This is in order to avoid thickening, swelling and stressing of the plaque. The method is carried out without the need for a wetting agent in the electrolyte. The plaque should be sufficiently clean so as to be readily wetted throughout by the electrolyte. Such a clean condition can be produced by heating the plaque to at least about 700.degree. C. Plaque corrosion is minimized by polarizing the plaque cathode as by the use of a sacrificial cadmium cathode. Plaque corrosion can also be minimized by maintaining an electric current in the electrolyte whenever the plaque is present therein. It is preferred to carry out the deposition while applying a substantially constant level of current to the electrodes. Loading levels of nickel hydroxide in excess of 7.7 ampere hours per cubic inch can be effected for an improved product.
    • 本发明的改进方法包括在含有阳极的处理区中将氢氧化镍电化学沉积在酸性pH下的加热的含水电解质的清洁的烧结镍斑块阴极的孔中,同时最小化斑块的腐蚀。 电化学沉积继续进行,直到得到斑块中约2克/立方厘米空隙体积的负载水平。 这是为了避免斑块的增厚,肿胀和压力。 该方法在电解质中不需要润湿剂的情况下进行。 斑块应足够清洁,以便易于被电解液润湿。 这样一个干净的条件可以通过将该板加热到至少约700℃来产生。通过使用牺牲镉阴极使斑块阴极极化,使得斑块腐蚀最小化。 当斑块存在于其中时,通过保持电解质中的电流也可以最小化斑块腐蚀。 优选在对电极施加大致恒定电流的电流的同时进行沉积。 可以对改进的产品进行氢氧化镍的装载量超过7.7安培小时/立方英寸。
    • 5. 发明授权
    • End plate for a metal gas cell
    • 金属气室的端板
    • US5002842A
    • 1991-03-26
    • US465694
    • 1990-01-16
    • Vincent J. PuglisiGuy G. RampeKenneth R. RichardsonOrville G. Prickett
    • Vincent J. PuglisiGuy G. RampeKenneth R. RichardsonOrville G. Prickett
    • H01M2/02H01M10/34
    • H01M10/345H01M2/0255
    • A support assembly, including an end plate, for use in metal gas cells. The support assembly inhibits a plate stack which is positioned within a pressure vessel from impinging the walls of the pressure vessel. The support assembly comprises a first and a second weld ring and a first and a second end plate, each of the end plates being attached to a different end of the plate stack. The first and second weld rings mate with the first and second end plates, respectively, and cooperate to support the plate stack. The end plate comprises two plates secured together. A raised portion on one of the plates forming the end plate has a radially extending embossment formed therein to increase the rigidity thereof. The pressure vessel is constructed of generally cylindrical container defining two circumferentially extending lips, each of which is secured to an end portion.
    • 一种用于金属气体池的支撑组件,包括端板。 支撑组件抑制位于压力容器内的板堆撞击压力容器的壁。 支撑组件包括第一和第二焊接环以及第一和第二端板,每个端板附接到板堆叠的不同端部。 第一和第二焊接圈分别与第一和第二端板配合,并配合以支撑板堆叠。 端板包括固定在一起的两个板。 形成端板的一个板上的凸起部分具有形成在其中的径向延伸的压花以增加其刚度。 压力容器由通常为圆柱形的容器构成,限定两个周向延伸的唇缘,每个唇缘固定到端部。
    • 10. 发明授权
    • Method of making sintered plaque cadmium electrodes
    • 制造烧结镉镉电极的方法
    • US4120757A
    • 1978-10-17
    • US854928
    • 1977-11-25
    • Harvey N. SeigerVincent J. Puglisi
    • Harvey N. SeigerVincent J. Puglisi
    • H01M4/29C25D9/08C25B1/16C25B11/06
    • H01M4/29
    • The improved method of the invention comprises electrochemically depositing cadmium hydroxide into the pores of a sintered nickel plaque cathode from a heated electrolyte at acid pH and at controlled density in a treating zone containing an anode, at least periodically contacting the electrolyte during the electro chemical deposition with neutralizing agent selected from cadmium oxide and cadmium hydroxide to neutralize acid generated at the anode, and continuing the electrochemical deposition until an improved loading level of cadmium hydroxide within the cathode is obtained. The acid pH preferably is between 2 - 5 and the electrolyte preferably is in a concentration of 2 - 3 M and at an average temperature of about 85.degree. - 105.degree. C. Preferably, the current density is maintained at a level of less than one ampere per square inch in order to improve the loading level, which may be as high as about 2.6 grams of cadmium hydroxide per cubic centimeter of void volume in the cathode. The neutralizing agent may be disposed in a porous container in a separate reservoir zone connected to the treating zone so that the electrolyte can circulate therebetween and into direct contact with the neutralizing agent. The method results in a loading level of cadmium hydroxide in the sintered nickel plaque cathode as high as or higher than previously obtained and in a shorter period of time. The method is simple, inexpensive and efficient.
    • 本发明的改进方法包括将氢氧化镉电化学沉积在烧结的镍斑块阴极的孔中,从酸性pH下的加热电解质和含有阳极的处理区的受控密度,在电化学沉积期间至少周期性地接触电解质 使用选自氧化镉和氢氧化镉的中和剂来中和阳极产生的酸,并且继续进行电化学沉积,直到获得阴极内氢氧化镉的改善的负载水平。 酸性pH优选在2-5之间,电解质优选浓度为2-3M,平均温度约为85-105℃。优选地,电流密度保持在小于1的水平 安培每平方英寸,以提高负载水平,其可以高达约2.6克氢氧化镉/立方厘米的阴极中的空隙体积。 中和剂可以设置在与处理区连接的单独储存区中的多孔容器中,使得电解质可以在其间循环并与中和剂直接接触。 该方法导致烧结镍斑块阴极中的氢氧化镉的负载水平高达或高于先前获得的并且在更短的时间段内。 该方法简单,便宜,高效。