Process for manufacture and improved manganese dioxide for electrochemical cells
    11.
    发明授权
    Process for manufacture and improved manganese dioxide for electrochemical cells 有权
    电化学电池的制造和改善二氧化锰的方法

    公开(公告)号:US06585881B2

    公开(公告)日:2003-07-01

    申请号:US09788754

    申请日:2001-02-20

    IPC分类号: C25B100

    摘要: 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.

    摘要翻译: 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。

    Predischarged nonaqueous cell
    12.
    发明授权
    Predischarged nonaqueous cell 失效
    预充电非水电池

    公开(公告)号:US4298663A

    公开(公告)日:1981-11-03

    申请号:US91149

    申请日:1979-11-05

    申请人: Peter R. Moses

    发明人: Peter R. Moses

    摘要: An electrochemical cell containing a decomposing electrolyte solvent, further contains small amounts of an additive material such as lithium sulfide which causes partial self discharge of the cathode of the cell with non-reactive products. The self discharge partially deactivates substantially all of the active cathode surface as a reaction site thereby reducing the decomposition of the electrolyte solvent.

    摘要翻译: 含有分解电解质溶剂的电化学电池还含有少量的诸如硫化锂的添加剂材料,其导致具有非反应性产物的电池的阴极的部分自放电。 自放电基本上使作为反应位点的所有活性阴极表面失活,从而减少电解质溶剂的分解。

    Hydrogen recombination catalyst
    13.
    发明授权
    Hydrogen recombination catalyst 有权
    氢复合催化剂

    公开(公告)号:US06500576B1

    公开(公告)日:2002-12-31

    申请号:US09605902

    申请日:2000-06-28

    IPC分类号: H01M400

    摘要: A metal-air battery includes (a) an anode; (b) a cathode including a metal that reduces oxygen; (c) a housing for the anode and cathode having an air access that allows oxygen to contact the cathode; (d) a separator between the anode and the cathode; and (e) a hydrogen recombination catalyst within the housing. The hydrogen recombination catalyst can include a Pd, Pt, Ru metal or a salt thereof, and CuO.

    摘要翻译: 金属空气电池包括(a)阳极; (b)包含减少氧的金属的阴极; (c)用于阳极和阴极的壳体,其具有允许氧接触阴极的空气进入; (d)阳极和阴极之间的隔膜; 和(e)壳体内的氢复合催化剂。 氢复合催化剂可以包括Pd,Pt,Ru金属或其盐和CuO。

    Zinc/air cell
    14.
    发明授权
    Zinc/air cell 有权
    锌/空气池

    公开(公告)号:US06447947B1

    公开(公告)日:2002-09-10

    申请号:US09459511

    申请日:1999-12-13

    IPC分类号: H01M600

    摘要: A process for heat treating an anode casing of a zinc/air depolarized cell after the casing has been formed but before anode material comprising zinc is inserted therein. The anode casing has a layer of copper on its inside surface. The process comprises heat treating 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 anode casing and then cooling said heat treated anode casing to ambient temperature. The heat treated 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 and eliminates the need to add mercury to the anode material.

    摘要翻译: 在壳体已经形成之后,但是在包含锌的阳极材料被插入其中之前,用于热处理锌/空气去极化电池的阳极壳体的方法。 阳极套管的内表面有一层铜层。 该方法包括通过使温度在约200℃和700℃之间的温度下通过气体,优选在约300℃和600℃之间的温度下接触来对阳极套管进行热处理,以形成热处理的阳极套管, 然后将所述经热处理的阳极套管冷却至环境温度。 热处理的阳极套管远离大气,直到阳极活性材料插入其中,在电池组装过程中。 热处理工艺在电池放电和储存过程中显着降低气体,并且不需要向阳极材料添加汞。

    Hydrogen recombination catalyst
    15.
    发明授权
    Hydrogen recombination catalyst 有权
    氢复合催化剂

    公开(公告)号:US06333123B1

    公开(公告)日:2001-12-25

    申请号:US09605596

    申请日:2000-06-28

    IPC分类号: H01M1034

    摘要: An alkaline battery includes a cathode, an anode, a separator, an alkaline electrolyte, and a hydrogen recombination catalyst. The hydrogen recombination catalyst includes a hydrogen oxidizing material, such as CuO, and an activating material. The activating material includes a first activating component and a second activating component. The components of the activating material can be Pd, Pt, Ru metals or salts thereof.

    摘要翻译: 碱性电池包括阴极,阳极,隔板,碱性电解质和氢复合催化剂。 氢复合催化剂包括氢氧化材料如CuO和活化材料。 活化材料包括第一活化组分和第二活化组分。 活化材料的组分可以是Pd,Pt,Ru金属或其盐。

    Cell solvent
    16.
    发明授权
    Cell solvent 失效
    细胞溶剂

    公开(公告)号:US4490449A

    公开(公告)日:1984-12-25

    申请号:US533684

    申请日:1983-09-19

    IPC分类号: H01M6/16 H01M10/44

    CPC分类号: H01M6/164

    摘要: A non-aqueous electrochemical cell having a non-polymerizing substituted dioxolane electrolyte solvent and a highly oxidizing cathode depolarizer particularly manganese dioxide.

    摘要翻译: 具有非聚合取代的二氧戊环电解质溶剂和高度氧化的阴极去极化剂,特别是二氧化锰的非水电化学电池。

    Additive for electrochemical cell stability
    17.
    发明授权
    Additive for electrochemical cell stability 失效
    电化学电池稳定性的添加剂

    公开(公告)号:US4264689A

    公开(公告)日:1981-04-28

    申请号:US80891

    申请日:1979-10-01

    申请人: Peter R. Moses

    发明人: Peter R. Moses

    摘要: A nonaqueous electrochemical cell and a method for the construction thereof wherein the cell contains a metal salt additive such as lithium nitrate (LiNO.sub.3) or calcium nitrate Ca(NO.sub.3).sub.2 which reduces the reactivity of substantially the entire active cathode surface. Electrolyte solvents such as propylene carbonate are thereby substantially prevented from reacting, on the surface of the cathode, with oxidizing agents within the cell. Decomposition of the electrolyte solvent with gaseous evolution is substantially reduced and cell stability is enhanced. The metal salt additives are particularly useful in nonaqueous cells containing manganese dioxide cathodes.

    摘要翻译: 一种非水电化学电池及其构造方法,其中电池含有诸如硝酸锂(LiNO 3)或硝酸钙Ca(NO 3)2的金属盐添加剂,其降低了基本上整个活性阴极表面的反应性。 从而基本上防止电解质溶剂如碳酸亚丙酯在阴极表面与电池内的氧化剂反应。 电解溶剂的气相析出显着降低,电池稳定性提高。 金属盐添加剂在含有二氧化锰阴极的非水电解槽中特别有用。

    Manganese dioxide for alkaline cells
    18.
    发明授权
    Manganese dioxide for alkaline cells 有权
    二氧化锰用于碱性电池

    公开(公告)号:US06939528B2

    公开(公告)日:2005-09-06

    申请号:US10724495

    申请日:2003-11-28

    摘要: Particulate MnO2, having simultaneously a micropore surface area greater than 8.0 m2/g, desirably between about 8.0 and 13 m2/g and BET surface area of between about 20 and 31 m2/g within the context of an MnO2 having a total intraparticle porosity of between about 0.035 cm3/g and 0.06 cm3/g produces enhanced performance when employed as cathode active material in an electrochemical cell, particularly an alkaline cell. The average pore radius of the meso and macro pores within the MnO2 (meso-macro pore radius) is desirably greater than 32 Angstrom.

    摘要翻译: 颗粒状MnO 2 2同时具有大于8.0m 2 / g的微孔表面积,理想地在约8.0和13m 2 / g之间, 在具有约0.035cm 3 / cm 3的总体内孔隙度的MnO 2 N 2的上下文中,BET表面积为约20和31m 2 / g之间, 当在电化学电池,特别是碱性电池中用作阴极活性材料时,SUP> / g和0.06cm 3 / g产生增强的性能。 MnO 2 N(内 - 宏孔半径)内的中孔和大孔的平均孔半径理想地大于32埃。

    Manganese dioxide for alkaline cells
    19.
    发明授权
    Manganese dioxide for alkaline cells 有权
    二氧化锰用于碱性电池

    公开(公告)号:US06863876B2

    公开(公告)日:2005-03-08

    申请号:US10094199

    申请日:2002-03-08

    摘要: Particulate MnO2, having simultaneously a micropore surface area greater than 8.0 m2/g, desirably between about 8.0 and 13 m2/g and BET surface area of between about 20 and 31 m2/g within the context of an MnO2 having a total intraparticle porosity of between about 0.035 cm3/g and 0.06 cm3/g produces enhanced performance when employed as cathode active material in an electrochemical cell, particularly an alkaline cell. The average pore radius of the meso and macro pores within the MnO2 (meso-macro pore radius) is desirably greater than 32 Angstrom.

    摘要翻译: 在上下文中同时具有大于8.0m 2 / g的微孔表面积的颗粒状MnO 2,优选在约8.0和13m 2 / g之间,BET表面积在约20和31m 2 / g之间 当在电化学电池,特别是碱性电池中用作阴极活性材料时,具有约0.035cm 3 / g至0.06cm 3 / g的总内部颗粒孔隙率的MnO 2产生增强的性能。 MnO2(中大宏孔径)内的中孔和大孔的平均孔半径期望大于32埃。

    Corrosion prevention additive
    20.
    发明授权
    Corrosion prevention additive 失效
    防锈添加剂

    公开(公告)号:US4526846A

    公开(公告)日:1985-07-02

    申请号:US387738

    申请日:1982-06-14

    IPC分类号: H01M6/14 H01M6/16

    CPC分类号: H01M6/168 H01M6/14

    摘要: Corrosion is prevented in a non-aqueous cell, having iron containing components kept at cathode potentials above 2.5 volts, by the inclusion within said cell of an additive comprised of a lewis base tertiary amine particularly heterocyclic imides such as 1,3-dimethylimidazolidinone and 3,5 dimethylisoxazole wherein all the nitrogens thereof contain no acidic protons.

    摘要翻译: 通过在所述电池内包含由路易斯碱叔胺特别是杂环酰亚胺如1,3-二甲基咪唑烷酮和3的添加剂组成的添加剂,在含有含铁成分保持在阴极电位高于2.5伏特的非水电池中,防止了腐蚀 ,5二甲基异恶唑,其中所有的氮不含酸性质子。