公开(公告)号：US5866278A

公开(公告)日：1999-02-02

申请号：US758823

申请日：1996-12-04

Applicant: Hiroshi Sumida ,  Takuya Inoue ,  Kiyoteru Enomoto ,  Hajime Murakami ,  Michiko Inui ,  Yoshihiro Sakurai

Inventor： Hiroshi Sumida ,  Takuya Inoue ,  Kiyoteru Enomoto ,  Hajime Murakami ,  Michiko Inui ,  Yoshihiro Sakurai

IPC: C01G45/02 ,  C25B11/16 ,  H01M4/50 ,  H01M4/62 ,  H01M6/06 ,  C25B1/00

CPC classification number: H01M4/625 ,  H01M4/50 ,  H01M2300/0005 ,  H01M6/06

Abstract: An electrolytic manganese dioxide having a composition of MnOx, wherein X is 1.90 to 1.96, an adhesive moisture content of not less than 1.5% by weight as measured according to the procedure specified in JIS, and a content of bound water, eliminative in the temperature range of 120.degree. to 400.degree. C., of not less than 3.0% by weight as measured by gravimetry, a process for preparing the same, and a manganese dry cell comprising a cathode mix comprised of a mixing of the electrolytic manganese dioxide with a conductive acetylene black, preferably a conductive acetylene black having a BET specific surface area of 70 to 2.50 m.sup.2 /g, and an electrolyte composed mainly of zinc chloride and/or ammonium chloride. In the process of preparing the electrolytic manganese dioxide, after electrolysis and during or after neutralization, the manganese dioxide is heated in an aqueous solution at 50.degree. to 100.degree. C. for 12 to 48 hours in the presence of an alkaline ammonium compound.

Abstract translation: 一种组成为MnO x的电解二氧化锰，其中X为1.90至1.96，根据JIS规定的程序测量的粘合剂含水量不小于1.5重量％，结合水的含量，温度的消除 范围为120-400℃，重量比测量值不小于3.0重量％，其制备方法，以及含有阴极混合物的锰干电池，该阴极混合物由电解二氧化锰与 导电乙炔黑，优选BET比表面积为70〜2.50m 2 / g的导电乙炔黑，以及主要由氯化锌和/或氯化铵组成的电解质。 在制备电解二氧化锰的过程中，电解后和中和期间或之后，二氧化锰在50〜100℃的水溶液中，在碱性铵化合物的存在下加热12〜48小时。

公开(公告)号：US06500584B1

公开(公告)日：2002-12-31

申请号：US09265665

申请日：1999-03-10

Applicant: Ryohei Ashihara ,  Tetsuya Kobayashi ,  Keiji Ogino ,  Michiko Inui

Inventor： Ryohei Ashihara ,  Tetsuya Kobayashi ,  Keiji Ogino ,  Michiko Inui

IPC: H01M450

CPC classification number: H01M2/16 ,  H01M4/50 ,  H01M4/62 ,  H01M6/06

Abstract: There is described in the specification a mercury-free manganese primary dry battery wherein the cathode mixture contains boric acid or an alkali borate at a ratio of 0.04 to 0.4 parts by weight per 100 parts by weight of manganese dioxide as a boron conversion value or wherein the separator contains boric acid or an alkali borate at a ratio of 0.1 to 8.0 parts by weight per 100 parts by weight of a dry solid content in the pasting agent. Such battery has excellent discharge properties under light loading conditions.

Abstract translation: 在本说明书中描述了一种无汞锰一次干电池，其中阴极混合物含有相对于每100重量份作为硼转化值的二氧化锰的0.04至0.4重量份的硼酸或碱金属硼酸盐，或其中 分离器含有相对于粘合剂中每100重量份干固体含量为0.1〜8.0重量份的硼酸或碱金属硼酸盐。 这种电池在轻负载条件下具有优异的放电性能。