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1. 发明专利

JP2004335265A Manufacturing method of negative electrode cup of alkaline battery 有权
公开(公告)号：JP2004335265A
公开(公告)日：2004-11-25
申请号：JP2003129637
申请日：2003-05-07
申请人： Sony Corp , ソニー株式会社
发明人： TAHARA TAKUMI , SATO SATOSHI
IPC分类号： H01M2/02 , C23C14/04 , C23C14/16 , H01M2/04 , H01M4/62 , H01M6/04 , H01M6/08 , H01M6/12 , H01M10/04 , H01M10/28
CPC分类号： C23C14/042 , C23C14/165 , H01M2/0222 , H01M10/283 , Y10T29/49115
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a negative electrode cup of a coin-shaped or button-shaped alkaline battery. SOLUTION: In this negative electrode cup manufacturing method, the inside surface of the negative electrode cup 4 of the alkaline battery composed by using silver oxide or manganese dioxide for a positive electrode active material, by using zinc or zinc alloy powder without containing mercury for a negative electrode active material, by installing a separator and a gasket between a positive electrode mix and a negative electrode mix, and by injecting an alkaline electrolyte is coated with a metal or an alloy having a hydrogen overvoltage higher than that of copper by a PVD method. The manufacturing method is characterized in that, when it is assumed that the inside diameter of the negative electrode cup, the plate thickness thereof, a mask opening diameter on its mounting side, a mask opening diameter on the cup supply side, its depth, a mask thickness on its mounting side and a mask opening part taper angle on its mounting side are d, t, A, B, h, C and D, respectively, the shape of the mask 11 used for a coating process is so formed as to satisfy: 2(2t+d)-B≥A≥0.7d; (A/2)-h≥C>0 mm; and 90°>D≥45°, and that the coating is formed only in the inside surface area without including a folded part 4a and a folded bottom part 4b of the negative electrode cup 4. COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2003272636A Alkaline battery 有权
标题翻译：碱性电池
公开(公告)号：JP2003272636A
公开(公告)日：2003-09-26
申请号：JP2002070453
申请日：2002-03-14
申请人： Sony Corp , ソニー株式会社
发明人： TAHARA TAKUMI
IPC分类号： H01M2/04 , H01M2/08 , H01M4/64 , H01M4/66 , H01M6/12
CPC分类号： H01M2/0495 , H01M2/0272 , H01M2/0275 , H01M2/0413 , H01M4/38 , H01M4/42 , H01M4/50 , H01M4/54 , H01M6/12
摘要： PROBLEM TO BE SOLVED: To improve degradation f liquid leakage resistance and capacity retention as well as to solve a problem of a creep phenomenon in an alkaline battery not using mercury.
SOLUTION: With the alkaline battery sealing a positive electrode can 1 with a positive electrode complex agent 4 arranged with silver oxide or manganese dioxide as a positive electrode active material and a negative electrode cup 3 with a negative electrode complex agent 6 arrange with zinc or zinc alloy powder as a negative electrode active material, with an opening end edge having a turn-up part 13b and a turn-up bottom part 13a in cross section U-shape along its outer periphery face and with its inner face made of copper 33 through a gasket 20 and at the same time with a separator arranged between the positive electrode complex agent 4 and the negative electrode complex agent 6 and with an alkaline electrolyte solution injected, a film is formed 34 of a metal or an alloy with higher hydrogen overpotential than the copper in an inner region of the negative electrode cup 3 not including the turn-up part 13b and turn-up bottom part 13a, and at the same time, the tip of the gasket 20 is so made to come in contact with the inner face of the negative electrode cup 3.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了改善耐漏液性和容量保持性的劣化，以及解决不使用汞的碱性电池中的蠕变现象的问题。解决方案：碱性电池用正极复合剂4密封正极罐1，正极复合剂4以氧化银或二氧化锰为正极活性物质排列，负极杯3与负极复合剂6排列锌或锌合金粉末作为负极活性物质，其开口端边缘具有折回部分13b和折叠底部13a，其横截面U形沿着其外周面，并且其内表面由铜33通过垫圈20，并且同时具有布置在正极复合剂4和负极复合剂6之间的隔板，并且注入碱性电解质溶液，形成具有较高的金属或合金的膜34 超过负极杯3的内部区域中的铜的超电势，不包括上升部分13b和上翻底部13a，同时垫圈20的尖端如此制成与负极杯3的内表面接触。版权所有（C）2003，JPO

3. 发明专利

JP2006228503A Alkaline battery 审中-公开
标题翻译：碱性电池
公开(公告)号：JP2006228503A
公开(公告)日：2006-08-31
申请号：JP2005038965
申请日：2005-02-16
申请人： Sony Corp , ソニー株式会社
发明人： OYA KUNIYASU , TAHARA TAKUMI
IPC分类号： H01M6/12 , C22C18/00 , H01M2/02 , H01M4/06 , H01M4/42 , H01M4/62 , H01M4/64
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To alleviate deterioration of leakage resistance in a mercury-free alkaline battery of a flat type structure.
SOLUTION: In the alkaline battery composed of a cathode mixture 4 using silver oxide or manganese dioxide as a cathode active material, an anode mixture 6 using a granulated zinc alloy as an anode active material, and an anode cup 3 used as an anode terminal with its inner face made of copper and with its open end edge having a turned-up part 13 and a turned-up bottom 13a around a circumference in a cross-section U-shape, a deposited film layer 34 is formed of metal or an alloy with hydrogen overvoltage higher than copper on an inner area excluding the turned-up portion and turned-up bottom of the cathode cup. The granulated zinc alloy is either of bismuth and zinc, or of bismuth, indium, and zinc, or of bismuth, indium, aluminum, and zinc. A weight of one grain of this granulated zinc alloy is 1mg or more, and that, with a granular distribution of 10% or less.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了减轻扁平型结构的无汞碱性电池中的耐漏电性的劣化。解决方案：在由使用氧化银或二氧化锰作为正极活性物质的阴极混合物4构成的碱性电池中，使用粒状锌合金作为负极活性物质的阳极混合物6和用作阳极活性物质的阳极杯3 阳极端子，其内表面由铜制成，其开口端边缘具有折边部分13和围绕截面U形的周边的折叠底部13a，沉积膜层34由金属形成或在除了阴极杯的折叠部分和折叠底部之外的内部区域上具有高于铜的氢过电压的合金。粒状锌合金是铋和锌，或铋，铟和锌，或铋，铟，铝和锌。该颗粒状锌合金的一粒重量为1mg以上，粒径分布为10％以下。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006004900A Alkaline dry battery 审中-公开
标题翻译：碱性干电池
公开(公告)号：JP2006004900A
公开(公告)日：2006-01-05
申请号：JP2004237188
申请日：2004-08-17
申请人： Sony Corp , ソニー株式会社
发明人： YAMAKAWA NAOKO , TAKAGI RYOSUKE , YAMAMOTO KENTA , ENOYA MASAAKI , TAHARA TAKUMI
IPC分类号： H01M6/08 , H01M4/06 , H01M4/62 , H01M4/66
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide an alkaline dry battery with excellent leak-resistant characteristic in an overdischarge status as well as undischarge status and partial discharge status by preventing battery internal-pressure from increasing by generation of hydrogen gas.
SOLUTION: Electroless tin plating with thickness of 0.050-0.80 μm is applied to the surface of a negative electrode current collector 8. One or more kinds of hydroxide or oxide of a metallic element selected from a group comprising magnesium (Mg), calcium (Ca), barium (Ba) and strontium (Sr) as an additive is added to the inside of the negative electrode mixture 4 in a negative electrode. Thereby, battery internal-pressure is prevented from increasing due to generation of hydrogen gas for preventing destruction of a valve to provided the alkaline dry battery with excellent leak-resistant characteristic in the overdischarge status as well as undischarge status and partial discharge status.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过防止电池内压因产生氢气而增加，提供具有过放电状态以及未放电状态和局部放电状态的优异的耐漏电特性的碱性干电池。解决方案：将负极集电体8的表面施加厚度为0.050-0.80μm的无电镀锡。一种或多种金属元素的氢氧化物或氧化物，其选自镁（Mg），在负极中的负极混合物4的内部添加作为添加剂的钙（Ca），钡（Ba）和锶（Sr）。因此，由于产生用于防止阀破坏的氢气的电池内压，在过放电状态以及未放电状态和局部放电状态下具有优异的耐漏电特性的碱性干电池，防止电池内压增加。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2002198014A ALKALINE CELL 失效
公开(公告)号：JP2002198014A
公开(公告)日：2002-07-12
申请号：JP2000392872
申请日：2000-12-25
申请人： SONY CORP
发明人： TAHARA TAKUMI , SATO KENJI
IPC分类号： C23C14/14 , H01M2/04 , H01M4/64 , H01M4/66 , H01M6/12
摘要： PROBLEM TO BE SOLVED: To provide a coin-shaped or button-shaped alkaline cell without containing mercury. SOLUTION: For the alkaline cell, a case 2 as a positive electrode in which, a positive electrode mixture containing silver oxide or manganese dioxide as a positive electrode activator is filled; and a negative electrode cup 4 of which, the inner surface is made of copper, having a folded part 4a and a folded bottom part 4b at its outer periphery, and in which, a negative electrode mixture, containing zinc or zinc alloy powder as a negative electrode activator, is filled, are sealed through a gasket 6, while putting a separator 5 between the positive electrode mixture 1 and the negative electrode mixture 2, and injecting an alkali electrolyte liquid. A film of a metal with higher hydrogen over voltage than copper, or an alloy 10 is deposited by dry type film deposition method on the inner surface of the negative electrode cup 4 excluding the area of the folded part 4a and the folded bottom part 4b.

6. 发明专利

JP2002124295A ALKALINE SECONDARY BATTERY 失效
公开(公告)号：JP2002124295A
公开(公告)日：2002-04-26
申请号：JP2000312427
申请日：2000-10-12
申请人： SONY CORP
发明人： ENDO EIJI , TAHARA TAKUMI
IPC分类号： H01M6/06 , H01M4/24 , H01M10/26
摘要： PROBLEM TO BE SOLVED: To provide an alkaline secondary battery capable of restraining generation of gaseous hydrogen in charging, and having excellent charge-discharge efficiency. SOLUTION: This alkaline secondary battery is provided with a negative electrode active material 3 containing zinc or a compound containing zinc, a positive electrode 1, an alkaline electrolyte, and a separator 4. The alkaline electrolyte contains zinc borate and the concentration of the zinc borate is preferably in the range of 0.01 to 1 mol/l of the alkaline electrolyte.

7. 发明专利

JP2002093427A ALKALINE BATTERY 失效
公开(公告)号：JP2002093427A
公开(公告)日：2002-03-29
申请号：JP2000273956
申请日：2000-09-08
申请人： SONY CORP
发明人： MORI KATSUMI , TAHARA TAKUMI , SATO KENJI
IPC分类号： H01M2/02 , H01M4/06 , H01M4/62 , H01M4/64 , H01M6/06
摘要： PROBLEM TO BE SOLVED: To provide an alkaline battery with high reliability, by solving the problem of generation of gaseous hydrogen in the coin type and the button type alkaline battery containing no mercury. SOLUTION: An opening end of a positive electrode can 1 is sealed by a negative electrode cup 3 through a gasket 2. An opening edge of the negative electrode cup 3 is folded back along an outer peripheral surface with a U-shaped section, and the folded back portion is tightened through the gasket 2 by an inner peripheral surface of the opening end edge of the positive electrode can 1 to be sealed. In the negative electrode cup 3, a coating layer of tin is limitedly formed on an inner surface thereof, excluding a U-shaped bottom portion 13a of the folded back portion 13 and a following folded surface 13B of the outer periphery thereof. In the positive electrode can 1, a positive electrode mix is contained, silver oxide or manganese dioxide is a positive electrode active material, and the positive electrode mix 4 to which silver nikelite (AgNiO2) is added, is contained. In the negative electrode cup 3, a negative mix 6 containing a negative active material consisting of zinc or zinc alloy powder and containing no mercury is arranged through the positive mix and a separator 5, and an alkaline electrolysis liquid is injected.

8. 发明专利

JP2002216772A ALKALINE STORAGE BATTERY 失效
公开(公告)号：JP2002216772A
公开(公告)日：2002-08-02
申请号：JP2001006669
申请日：2001-01-15
申请人： SONY CORP
发明人： TAHARA TAKUMI , SATO KENJI
IPC分类号： H01M2/04 , H01M4/64 , H01M4/66 , H01M6/06
摘要： PROBLEM TO BE SOLVED: To provide a coil or button shaped alkaline storage battery containing no mercury. SOLUTION: The alkaline storage battery comprises a positive electrode can 2 having a positive electrode mix 1 provided with silver oxide or manganese dioxide as a positive electrode active substance and a negative electrode cup 4 having a negative electrode mix 3 provided with zinc or zinc alloy powder as a negative electrode active substance, having a turn-around portion 4a on the outer periphery and a turn-around bottom portion 4b and the inner face formed of copper, both being sealed via a gasket 6. A separator 5 is provided between the positive electrode mix 1 and the negative electrode mix 3, and an alkaline electrolytic solution is filled therein. An inner face area of the negative electrode cup 4 excluding the turn-around portion 4a and the turn-around bottom portion 4b is coated with a metal or an alloy 10 having higher hydrogen overvoltage than copper and the ratio O/Cu of oxygen in the turn-around portion 4a and the turn-around bottom portion 4b of the negative electrode cup 4 to copper as a base material is 0.54 or less is Auger electron spectroscopy.

9. 发明专利

JP2002110184A BUTTON TYPE ALKALI CELL AND METHOD FOR MAKING THE SAME 失效
公开(公告)号：JP2002110184A
公开(公告)日：2002-04-12
申请号：JP2000294824
申请日：2000-09-27
申请人： SONY CORP
发明人： AOKI MASAHIRO , SENOO SUNAO , TAHARA TAKUMI
IPC分类号： H01M2/04 , H01M4/06 , H01M6/08
摘要： PROBLEM TO BE SOLVED: To provide a button type alkali cell which suppresses the hydrogen gas generation due to the consumption and corrosion of zinc without adding mercury to the negative-electrode mixture, has a high liquid-leakage resistance, and is also excellent in environmental protection. SOLUTION: The button type alkali cell comprises a negative electrode whose negative-electrode cup 2 is filled with a negative-electrode mixture 1 and a positive electrode whose positive-electrode can 4 is filled with a positive- electrode mixture 3. On the surface of the negative-electrode cup 2 which is on the side of the negative-electrode mixture, a coating film 7 is formed which is made of organic material and is liquid within the operational temperature range of the cell.

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