公开(公告)号：US08048560B2

公开(公告)日：2011-11-01

申请号：US12342183

申请日：2008-12-23

申请人： Jun Nunome ,  Fumio Kato ,  Harunari Shimamura

发明人： Jun Nunome ,  Fumio Kato ,  Harunari Shimamura

IPC分类号： H01M6/04

CPC分类号： H01M4/50 ,  H01M6/06 ,  H01M6/5055

摘要： An alkaline battery comprising a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte, wherein the positive electrode includes manganese dioxide and graphite; the cumulative pore volume of pores with diameters of 3 to 5 nm in the manganese dioxide is X (cm3/g), and the weight loss rate of the manganese dioxide when heated from 150 to 400° C. is Y (%), X and Y satisfying 0.005≦X≦0.011, 3.4≦Y≦3.9, and −16.7X+3.58≦Y≦66.7X+3.17; the negative electrode includes zinc; and the alkaline electrolyte includes an aqueous potassium hydroxide solution.

摘要翻译： 一种碱性电池，包括正极，负极，设置在正极和负极之间的隔膜; 和碱性电解质，其中所述正极包括二氧化锰和石墨; 在二氧化锰中直径为3〜5nm的孔的累积孔体积为X（cm 3 / g），当加热至400℃时，二氧化锰的重量损失率为Y（％），X 和Y满足0.005＆nlE; X＆lt; ll; 0.011,3.4＆nlE; Y＆nlE; 3.9和-16.7X + 3.58＆nlE; Y＆nlE; 66.7X + 3.17; 负极包括锌; 碱性电解液包含氢氧化钾水溶液。

公开(公告)号：US20090263710A1

公开(公告)日：2009-10-22

申请号：US12417281

申请日：2009-04-02

申请人： Fumio KATO ,  Jun Nunome ,  Harunari Shimamura

发明人： Fumio KATO ,  Jun Nunome ,  Harunari Shimamura

IPC分类号： H01M2/02

CPC分类号： H01M6/08 ,  H01M2/08 ,  H01M4/06 ,  H01M4/50 ,  H01M6/085

摘要： In an AA alkaline battery, an opening of a battery case is sealed by a gasket. The battery case houses a positive electrode, a negative electrode, a separator, and an alkaline electrolyte. The positive electrode contains manganese dioxide having a potential of higher than or equal to 270 mV measured by using mercurous oxide (Hg/HgO) as a reference electrode in 40 wt % of a potassium hydroxide aqueous solution. The negative electrode contains 4.0 g or more of zinc. The gasket has a hydrogen gas permeability coefficient, per one gasket, in the range from 6×10−10 (cm3H2(STP)/sec·cmHg) to 3×10−9 (cm3H2(STP)/sec·cmHg), both inclusive.

摘要翻译： 在AA碱性电池中，电池盒的开口用垫圈密封。 电池壳体容纳正极，负极，隔膜和碱性电解质。 该正极含有通过在40重量％的氢氧化钾水溶液中使用氧化亚铜（Hg / HgO）作为参比电极而测定的具有高于或等于270mV的电位的二氧化锰。 负极含有4.0g以上的锌。 垫片的每一个垫片的氢气渗透系数在6×10 -10（cm 3 H 2（STP）/ sec·cmHg）至3×10 -9（cm 3 H 2（STP）/ sec·cmHg）的范围内。

公开(公告)号：US20090023077A1

公开(公告)日：2009-01-22

申请号：US12278246

申请日：2007-08-07

申请人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

发明人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

IPC分类号： H01M6/06 ,  H01M4/52 ,  H01M4/50 ,  H01M4/42

CPC分类号： C22C18/00 ,  B22F2998/00 ,  C22C18/02 ,  C22C18/04 ,  C22C19/005 ,  H01M4/42 ,  H01M4/628 ,  H01M6/06 ,  H01M10/26 ,  H01M10/345 ,  B22F9/082

摘要： An alkaline battery of the present invention includes a positive electrode, a negative electrode, a separator, and an alkaline electrolyte. The positive electrode includes nickel oxyhydroxide and manganese dioxide as a positive electrode active material. The negative electrode includes at least zinc as a negative electrode active material. The content of indium in the negative electrode active material is 0.02 wt % or less.

摘要翻译： 本发明的碱性电池包括正极，负极，隔膜和碱性电解质。 正极包括氢氧化正镍和二氧化锰作为正极活性物质。 负极至少包含锌作为负极活性物质。 负极活性物质中的铟的含量为0.02重量％以下。

公开(公告)号：US20100068620A1

公开(公告)日：2010-03-18

申请号：US12513333

申请日：2007-10-12

申请人： Jun Nunome ,  Fumio Kato ,  Harunari Shimamura

发明人： Jun Nunome ,  Fumio Kato ,  Harunari Shimamura

IPC分类号： H01M10/26

CPC分类号： H01M4/32 ,  H01M4/26 ,  H01M4/50 ,  H01M2004/021 ,  H01M2004/027

摘要： An alkaline battery includes a positive electrode containing as a positive electrode active material manganese dioxide and nickel oxyhydroxide, and when the manganese dioxide is heated, a weight reduction percentage of the manganese dioxide at a temperature within a range of 100° C. or more and 400° C. or less is 3.8 wt % or more. When the manganese dioxide is subjected to X-ray powder diffraction measurement, a peak position of a diffraction plane with Miller indices of (110) is 20.5 degrees or more and 21.7 degrees or less and a ratio (I(130)/I(021)) of a peak intensity I (130) of a diffraction plane with miller indices (130) to a peak intensity I(021) of a diffraction plane with Muller indices of (021) is 0.1 or less.

摘要翻译： 碱性电池包括含有正极活性物质二氧化锰和氢氧化正镍的正极，当二氧化锰被加热时，二氧化锰的重量减少百分比在100℃以上的范围内， 400℃以下为3.8重量％以上。 对二氧化锰进行X射线粉末衍射测定时，具有（110）的米勒指数的衍射面的峰值位置为20.5度以上且21.7度以下，比率（I（130）/ I（021） 具有米勒指数（130）的衍射平面的峰值强度I（130）至具有（021）的穆勒指数的衍射平面的峰值强度I（021）的峰值强度I（130）为0.1以下。

公开(公告)号：US20090098454A1

公开(公告)日：2009-04-16

申请号：US12244331

申请日：2008-10-02

申请人： Harunari Shimamura ,  Jun Nunome ,  Fumio Kato

发明人： Harunari Shimamura ,  Jun Nunome ,  Fumio Kato

IPC分类号： H01M2/02 ,  H01M2/00 ,  C01G45/02 ,  C25D1/00

CPC分类号： H01M4/50 ,  C01G45/02 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/40 ,  C25D9/06 ,  C25D11/30 ,  H01M2/162 ,  H01M6/04 ,  H01M2004/021 ,  H01M2300/0014 ,  Y10T428/2982

摘要： An object is to provide an electrolytic manganese dioxide with optimized properties, and a high capacity alkaline primary battery with excellent high-rate discharge characteristics. Disclosed is a spherical electrolytic manganese dioxide having an average circularity of 0.89 or more. The loss on heating from 200 to 400° C. of the spherical electrolytic manganese dioxide is preferably 2.5% by weight or more. Also disclosed is an alkaline primary battery including the above-described spherical electrolytic manganese dioxide as a positive electrode active material.

摘要翻译： 目的是提供具有优化性能的电解二氧化锰，以及具有优异高速率放电特性的高容量碱性一次电池。 公开了平均圆形度为0.89以上的球状电解二氧化锰。 球状电解二氧化锰的200〜400℃的加热损失优选为2.5重量％以上。 还公开了包括上述球形电解二氧化锰作为正极活性物质的碱性一次电池。

公开(公告)号：US20120009465A1

公开(公告)日：2012-01-12

申请号：US13054754

申请日：2009-10-02

申请人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

发明人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

IPC分类号： H01M6/10 ,  H01M2/02

CPC分类号： H01M6/08 ,  H01M2/0235 ,  H01M4/12 ,  H01M4/42 ,  H01M4/50 ,  H01M4/70 ,  H01M6/045 ,  H01M6/10 ,  H01M2004/021 ,  H01M2300/0014

摘要： An alkaline battery which is superior in high-rate discharge characteristics and in moderate- and low-rate discharge characteristics is provided.An alkaline battery according to the present invention includes a closed-end cylindrical battery case 8 housing a hollow cylindrical positive electrode 2, a negative electrode 3 disposed in a hollow portion of the positive electrode 2, a separator 4 sandwiched between the positive electrode 2 and the negative electrode 3, and an alkaline electrolyte. The negative electrode 3 is made of a zinc porous body made of a collection of zinc fibers. The alkaline electrolyte includes 0.05% to 0.5% by mass, both inclusive, of at least one of polyacrylate and polyacrylic acid with respect to a mass of zinc in the negative electrode 3.

摘要翻译： 提供了一种在高速率放电特性和中等放电特性和低放电特性方面优异的碱性电池。 根据本发明的碱性电池包括容纳中空圆柱形正极2的封闭圆筒形电池盒8，设置在正极2的中空部分中的负极3，夹在正极2和 负极3和碱性电解质。 负极3由锌纤维集合体构成的锌多孔体构成。 相对于负极3中的锌质量，碱性电解质包含0.05〜0.5质量％的聚丙烯酸酯和聚丙烯酸中的至少一种。

公开(公告)号：US20110123847A1

公开(公告)日：2011-05-26

申请号：US13054723

申请日：2009-10-02

申请人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

发明人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

IPC分类号： H01M6/10 ,  H01M2/02

CPC分类号： H01M6/08 ,  H01M2/0235 ,  H01M4/12 ,  H01M4/42 ,  H01M4/50 ,  H01M6/045 ,  H01M10/4235 ,  H01M2004/021 ,  H01M2300/0014

摘要： An alkaline battery which is superior in high-rate discharge characteristics and in moderate- and low-rate discharge characteristics is provided.An alkaline battery according to the present invention includes a closed-end cylindrical battery case 8 housing a hollow cylindrical positive electrode 2, a negative electrode 3 disposed in a hollow portion of the positive electrode 2, a separator 4 sandwiched between the positive electrode 2 and the negative electrode 3, and an alkaline electrolyte. The negative electrode 3 includes a zinc porous body. The alkaline electrolyte includes 0.1% to 2% by mass, both inclusive, of a surfactant having an average molecular weight of 120 to 350, both inclusive, with respect to a mass of zinc in the negative electrode 3. A capacity balance of the negative electrode/the positive electrode calculated under a condition in which MnO2 included in the positive electrode 2 has a theoretical capacity of 308 mAh/g and Zn included in the negative electrode 3 has a theoretical capacity of 820 mAh/g, is in the range from 0.9 to 1.1, both inclusive.

摘要翻译： 提供了一种在高速率放电特性和中等放电特性和低放电特性方面优异的碱性电池。 根据本发明的碱性电池包括容纳中空圆柱形正极2的封闭圆筒形电池盒8，设置在正极2的中空部分中的负极3，夹在正极2和 负极3和碱性电解质。 负极3包括锌多孔体。 相对于负极3中的锌的质量，碱性电解质包含0.1〜2质量％的平均分子量为120〜350的表面活性剂。负极的容量平衡 在正极2中包含的MnO具有308mAh / g的理论容量和负极3中包含的Zn的理论容量为820mAh / g的条件下计算出的电极/正极的范围为 0.9到1.1，包括两端。

公开(公告)号：US20100129716A1

公开(公告)日：2010-05-27

申请号：US12599018

申请日：2008-02-13

申请人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

发明人： Fumio Kato ,  Jun Nunome ,  Harunari Shimamura

IPC分类号： H01M4/42

CPC分类号： H01M6/08 ,  H01M4/12 ,  H01M4/42 ,  H01M6/045 ,  H01M2300/0014 ,  H01M2300/0085

摘要： A mercury-free alkaline battery which can sufficiently suppress generation due to zinc corrosion and Fe contamination, and can exhibit a small amount of a voltage drop after pulse discharge in a low-temperature atmosphere, is provided.The mercury-free alkaline battery includes a positive electrode material mixture pellet 3 and a gelled negative electrode 6. The gelled negative electrode 6 is formed by mixing and dispersing zinc alloy particles, as a negative electrode active material, in a gelled alkaline electrolyte (i.e., a dispersion medium). An anionic surfactant and a quaternary ammonium salt cationic surfactant are added to the negative electrode 6, thereby suppressing both gas generation in the negative electrode and a voltage drop after pulse discharge at low temperatures.

摘要翻译： 提供一种能够充分抑制由锌腐蚀和Fe污染产生的无汞碱性电池，并且可以在低温气氛中脉冲放电后显示少量的电压降。 无汞碱性电池包括正极材料混合物丸粒3和凝胶状负极6.凝胶状负极6通过将锌合金粒子作为负极活性物质混合并分散在凝胶状碱性电解质（即 ，分散介质）。 阴极表面活性剂和季铵盐阳离子表面活性剂被添加到负极6中，从而抑制负极中的气体产生和低温脉冲放电之后的电压降。

公开(公告)号：US20090263720A1

公开(公告)日：2009-10-22

申请号：US12416619

申请日：2009-04-01

申请人： Jun NUNOME ,  Fumio Kato ,  Harunari Shimamura

发明人： Jun NUNOME ,  Fumio Kato ,  Harunari Shimamura

IPC分类号： H01M4/50

CPC分类号： H01M4/50 ,  H01M4/625 ,  H01M2004/028

摘要： An AA alkaline battery includes a positive electrode containing larger than or equal to 9.30 g of manganese dioxide. The cumulative pore volume of pores having diameters from 0.97 μm to 10.2 μm, both inclusive, is in the range from 0.0035 ml/g to 0.0070 ml/g, both inclusive, in measurement of pore size distribution in the positive electrode performed by mercury intrusion porosimetry.

摘要翻译： AA碱性电池包括含有大于或等于9.30g二氧化锰的正电极。 直径为0.97μm至10.2μm的孔的累积孔体积在0.0035ml / g至0.0070ml / g的范围内，包括在测量由汞侵入进行的正极中的孔径分布 孔隙率测定法

公开(公告)号：US20110217579A1

公开(公告)日：2011-09-08

申请号：US13127891

申请日：2009-10-22

申请人： Harunari Shimamura ,  Jun Nunome ,  Fumio Kato

发明人： Harunari Shimamura ,  Jun Nunome ,  Fumio Kato

IPC分类号： H01M6/10

CPC分类号： H01M6/08 ,  H01M2/0417 ,  H01M4/75 ,  H01M6/103

摘要： A negative electrode (6) of an alkaline battery is a wound porous sheet containing zinc, and includes a hollow part (6a). A main body (21) of a negative electrode current collector (20) is disposed in the hollow part (6a). A retainer (22) of the negative electrode current collector (20) is disposed between portions of the negative electrode (6) which are adjacent to each other in the radial direction of the negative electrode (6). The retainer (22) is connected to the main body (21) outside the negative electrode (6). The main body (21) and the retainer (22) of the negative electrode current collector (20) sandwich a portion of the negative electrode (6) which is present between the main body (21) and the retainer (22).

摘要翻译： 碱性电池的负极（6）是包含锌的卷绕多孔片，并且包括中空部（6a）。 负极集电体（20）的主体（21）设置在中空部（6a）中。 负极集电体（20）的保持器（22）设置在负极（6）的沿负极（6）的径向相邻的部分之间。 保持器（22）在负极（6）的外部与主体（21）连接。 负极集电体（20）的主体（21）和保持器（22）夹着存在于主体（21）和保持架（22）之间的负极（6）的一部分。