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    • 3. 发明授权
    • Process for manufacture and improved manganese dioxide for electrochemical cells
    • 电化学电池的制造和改善二氧化锰的方法
    • US06585881B2
    • 2003-07-01
    • US09788754
    • 2001-02-20
    • Stuart M. DavisPeter R. MosesGary Miller
    • Stuart M. DavisPeter R. MosesGary Miller
    • C25B100
    • C01G45/02C01P2006/10C01P2006/12C01P2006/40C01P2006/80C25B1/21H01M4/50
    • A process for manufacture of manganese dioxide comprising subjecting an aqueous bath comprising manganese sulfate (MnSO4) and sulfuric acid (H2SO4) to electrolysis in a closed cell wherein the electrolysis bath is maintained at an elevated temperature above 110° C., preferably above 115° C. and at superatmospheric pressure. Desirably the bath can be maintained at an elevated temperature between about 115° C. and 155° C. The electrolysis is carried out preferably at elevated current density of between about 12.5 and 37 Amp/sq. ft (135 and 400 Amp/sq. meter) which allows for smaller or fewer electrolysis units. An MnO2 product having a specific surface area (SSA) within desired range of between 18-45 m2/g can be obtained. A doping agent, preferably a soluble titanium dopant is employed to help obtain the desired specific surface area (SSA) of the MnO2 product. The manganese dioxide product in zinc/MnO2 alkaline cells gives excellent service life, particularly in high power application.
    • 一种制造二氧化锰的方法,包括使包含硫酸锰(MnSO 4)和硫酸(H 2 SO 4)的水浴在闭孔中电解,其中电解浴保持在110℃以上,优选高于115℃的高温 C.和超大气压。 理想地,浴可以保持在约115℃和155℃之间的升高的温度。电解优选在升高的电流密度为约12.5A和37安培/平方米之间进行。 ft(135和400安培/平方米),允许更小或更少的电解单元。 可以获得具有在18-45m 2 / g之间的期望范围内的比表面积(SSA)的MnO 2产物。 使用掺杂剂,优选可溶性钛掺杂剂来帮助获得MnO 2产物的所需比表面积(SSA)。 锌/锰氧化物碱性电池中的二氧化锰产品具有优异的使用寿命,特别是在高功率应用中。
    • 7. 发明授权
    • Zinc/air cell
    • 锌/空气池
    • US06548201B1
    • 2003-04-15
    • US09638993
    • 2000-08-15
    • Daniel GibbonsPeter R. MosesGuang WeiDavid PappasRokeya Huq
    • Daniel GibbonsPeter R. MosesGuang WeiDavid PappasRokeya Huq
    • H01M400
    • H01M12/06H01M2/0272H01M2/0275Y10T29/49108
    • A process for heat treating the metal sheeting forming the anode casing of a zinc/air depolarized cell before anode material comprising zinc is inserted into the anode casing. The anode casing has a layer of copper on its inside surface. The process comprises heat treating the metal sheeting forming the anode casing by passing a gas at a temperature between about 200° C. and 700° C., preferably between about 300° C. and 600° C. in contact therewith to form a heat treated sheeting and then cooling said heat treated sheeting to ambient temperature. The anode casing is stored away from atmospheric air until anode active material is inserted therein during cell assembly. The heat treating process significantly reduces gassing during cell discharge and storage. The cell's capacity and performance is improved when the cell's anode comprises particulate zinc (or zinc alloy) plated with indium, preferably between about 200 and 600 ppm indium. The need to add mercury to the anode material is reduced and can be eliminated.
    • 在将包含锌的负极材料插入阳极壳体之前,将形成锌/空气去极化电池的阳极壳体的金属片材热处理的方法。 阳极套管的内表面有一层铜层。 该方法包括通过在约200℃至700℃之间的温度下通过气体,优选在约300℃至600℃之间的温度下接触形成阳极套管来对金属片进行热处理,以形成热量 然后将所述经热处理的片材冷却至环境温度。 将阳极套管远离大气保存,直到阳极活性材料在电池组装过程中插入其中。 热处理过程在电池放电和储存期间显着降低气体。 当电池的阳极包含镀有铟的颗粒状锌(或锌合金)时,电池的容量和性能得到改善,优选介于约200和600ppm铟之间。 将汞添加到阳极材料的需要减少并且可以被消除。
    • 9. 发明授权
    • Non-aqueous electrolyte cell
    • 非水电解质电池
    • US4279972A
    • 1981-07-21
    • US070198
    • 1979-08-27
    • Peter R. Moses
    • Peter R. Moses
    • H01M4/06H01M4/50H01M6/16H01M10/44
    • H01M6/16H01M4/502
    • A non-aqueous electrolyte cell particularly one containing a beta manganese dioxide cathode wherein the cathode is normally rigorously heat treated to drive off contained water. The heat treatment is substantially reduced or eliminated (allowing up to 2% water by weight of the cathode to remain in the cell) by utilizing as an electrolyte salt in the cell, a salt which reacts with water to only form a weak oxidizing agent which in turn does not react with the electrolyte solvent to form a gaseous product. Alternatively, an electrolyte solvent is initially utilized in the cell, which solvent does not react with strong oxidizing agents to form a gaseous product.
    • 特别是含有β二氧化锰阴极的非水电解质电池,其中阴极通常被严格热处理以驱除含水。 通过利用电池中的电解质盐,与水反应形成弱氧化剂的盐,可以大大降低或消除热处理(允许阴极重量达到2%的水分留在电池中) 而不与电解质溶剂反应形成气态产物。 或者,最初在电池中使用电解质溶剂,该溶剂不与强氧化剂反应以形成气态产物。