公开(公告)号：EP2424030A4

公开(公告)日：2014-09-10

申请号：EP10766967

申请日：2010-04-09

Applicant: SONY CORP

Inventor： SENDA YUI ,  YAMAMOTO KENTA ,  NAKAYAMA YURI ,  ITO REINA

IPC: H01M10/0569 ,  H01B1/12 ,  H01M4/38 ,  H01M4/46 ,  H01M10/054 ,  H01M10/0568

CPC classification number: H01M10/054 ,  H01B1/122 ,  H01M4/38 ,  H01M4/463 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0037

Abstract: A secondary battery capable of safely improving a battery performance is provided. An electrolyte with which a separator 13 is impregnated contains an alkyl sulfone and a low-polar solvent (a solvent having a relative permittivity of 20 or less) together with an aluminum salt. The alkyl sulfone facilitates the redox reaction of aluminum, and further reduces the reactivity of the electrolyte. Additionally, the low-polar solvent suppresses the block of the redox reaction of aluminum. In charge and discharge, it becomes easy to electrochemically efficiently precipitate and dissolve aluminum, and further to inhibit the corrosion of a metallic exterior package member or the like.

公开(公告)号：EP1447868A4

公开(公告)日：2009-12-16

申请号：EP02803504

申请日：2002-11-15

Applicant: SONY CORP

Inventor： YAMAMOTO KENTA

IPC: C01G53/04 ,  H01M4/06 ,  H01M4/38 ,  H01M4/52 ,  H01M4/62 ,  H01M6/14 ,  H01M6/16

CPC classification number: H01M4/622 ,  H01M4/06 ,  H01M4/38 ,  H01M4/523 ,  H01M4/624 ,  H01M6/16

公开(公告)号：EP2169755A4

公开(公告)日：2012-11-21

申请号：EP08765157

申请日：2008-06-05

Applicant: SONY CORP

Inventor： NAKAYAMA YURI ,  YAMAMOTO KENTA ,  KUDO YOSHIHIRO ,  OKI HIDEKI

IPC: H01M4/46 ,  H01M10/054 ,  H01M4/48 ,  H01M4/58 ,  H01M6/16 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/054 ,  H01M4/466 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

Abstract: A magnesium battery (10) is constituted of a negative electrode (1), a positive electrode (2) and an electrolyte (3). The negative electrode (1) is formed of metallic magnesium and can also be formed of an alloy. The positive electrode (2) is composed of a positive electrode active material, for example, a metal oxide, graphite fluoride ((CF) n ) or the like, etc. The electrolytic solution (3) is, for example, a magnesium ion-containing nonaqueous electrolytic solution prepared by dissolving magnesium(II) chloride (MgCl 2 ) and dimethylaluminum chloride ((CH 3 ) 2 AlCl) in tetrahydrofuran (THF) In the case of dissolving and depositing magnesium by using this electrolytic solution, the following reaction proceeds in the normal direction or reverse direction. According to this, there are provided a magnesium ion-containing nonaqueous electrolytic solution having a high oxidation potential and capable of sufficiently bringing out excellent characteristics of metallic magnesium as a negative electrode active material and a method for manufacturing the same, and an electrochemical device with high performances using this electrolytic solution.

公开(公告)号：EP2287957A4

公开(公告)日：2012-08-15

申请号：EP09758379

申请日：2009-06-04

Applicant: SONY CORP

Inventor： YAMAMOTO KENTA ,  NAKAYAMA YURI ,  SENDA YUI

IPC: H01M4/46 ,  H01M2/02 ,  H01M4/133 ,  H01M4/58 ,  H01M4/583 ,  H01M4/587 ,  H01M4/62 ,  H01M4/66 ,  H01M4/74 ,  H01M6/16 ,  H01M10/054 ,  H01M10/0566 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M4/587 ,  H01M2/0222 ,  H01M4/38 ,  H01M4/466 ,  H01M4/74 ,  H01M6/164 ,  H01M10/054 ,  H01M10/0566

Abstract: A nonaqueous electrolytic solution containing magnesium ions which shows excellent electrochemical characteristics and which can be manufactured in a general manufacturing environment such as a dry room, and an electrochemical device using the same are provided. A Mg battery has a positive-electrode can 1, a positive-electrode pellet 2 made of a positive-electrode active material or the like, a positive electrode 11 composed of a metallic net supporting body 3, a negative-electrode cup 4, a negative electrode 12 made of a negative-electrode active material 5, and a separator 6 impregnated with an electrolytic solution 7 and disposed between the positive-electrode pellet and the negative-electrode active material. Metal Mg, an alkyl trifluoromethanesulfonate, a quaternary ammonium salt or/and a 1,3-alkylmethylimidazolium salt, more preferably, an aluminum halide are added to an ether system organic solvent and are then heated, and thereafter, more preferably, a trifluoroborane-ether complex salt is added thereto, thereby preparing the electrolytic solution. By adopting a structure that copper contacts the positive-electrode active material, the electrochemical device can be given a large discharge capacity.

Abstract translation: 提供了含有镁离子的非水电解液，其表现出优异的电化学特性，并且可以在诸如干燥室的一般制造环境中制造，以及使用其的电化学装置。 Mg电池具有正电极罐1，由正极活性物质等制成的正电极团2，由金属网支撑体3，负极杯4， 由负极活性物质5制成的负极12和浸渍有电解液7并设置在正极粒料和负极活性物质之间的隔膜6。 将金属Mg，三氟甲烷磺酸烷基酯，季铵盐或/和1,3-烷基甲基咪唑鎓盐，更优选卤化铝加入到醚系有机溶剂中，然后加热，然后更优选三氟硼烷 - 向其中加入醚络盐，由此制备电解液。 通过采用铜与正极活性物质接触的结构，可以赋予电化学装置大的放电容量。

公开(公告)号：EP2214231A4

公开(公告)日：2011-11-02

申请号：EP08829442

申请日：2008-09-02

Applicant: SONY CORP

Inventor： YAMAMOTO KENTA ,  NAKAYAMA YURI

IPC: H01M4/40 ,  H01M4/50 ,  C01G45/02 ,  C01G45/12 ,  H01M4/46 ,  H01M6/16 ,  H01M10/052 ,  H01M10/054 ,  H01M10/0566 ,  H01M10/40

CPC classification number: H01M4/502 ,  C01G45/02 ,  C01P2002/72 ,  H01M4/38 ,  H01M4/505 ,  H01M4/623 ,  H01M4/625 ,  H01M10/054 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

Abstract: The invention provides a high-capacity positive electrode active material capable of sufficiently exploiting the excellent characteristics of magnesium metal or the like as a negative electrode active material, such as high energy capacity; a method for producing the same; and an electrochemical device using the positive electrode active material. A positive electrode 11 includes a positive electrode can 1, a positive pole pellet 2 having a positive electrode active material and the like, and a metal mesh support 3. A negative electrode 12 includes a negative electrode cap 4 and a negative electrode active material 5 such as magnesium metal. The positive electrode pellet 2 and the negative electrode active material 5 are disposed so as to sandwich a separator 6, and an electrolyte 7 is injected into the separator 6. The positive electrode active material, which provides the feature of the invention, is synthesized by a step of reacting a permanganate, such as potassium permanganate, with hydrochloric acid preferably having a concentration of 3 to 4 mol/I to produce a precipitate, and a step of filtering the precipitate, thoroughly washing the filtered precipitate with water, and then subjecting the washed precipitate to heat treatment preferably at a temperature of 300 to 400°C for not less than 2 hours, thereby giving a manganese oxide.

公开(公告)号：EP1445812A4

公开(公告)日：2006-11-29

申请号：EP02801572

申请日：2002-10-15

Applicant: SONY CORP

Inventor： TAKAHASHI AKIO ,  MORIKAWA SHINICHIRO ,  HAYASHI NAOKI ,  HONDA KAZUO ,  OYA KUNIYASU ,  YAMAMOTO KENTA ,  KOBAYASHI NORIYUKI

IPC: C01G53/04 ,  H01M4/32 ,  H01M4/36 ,  H01M4/52 ,  H01M6/08 ,  H01M10/30 ,  H01M4/62 ,  H01M4/66

CPC classification number: H01M4/364 ,  C01G53/04 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2006/10 ,  C01P2006/11 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/40 ,  H01M4/32 ,  H01M4/52 ,  H01M6/08 ,  H01M10/30

Abstract: An alkaline battery suitably applied to a primary battery or a secondary battery as a power supply for an electronic apparatus. An alkaline battery excellent in heavy-load discharge characteristics and cycle characteristics. An alkaline battery (100) which uses an anode mixture (3) containing beta-type nickel oxyhydroxide as an anode active material, a cathode mixture (5) containing zinc as a main cathode active material, and an alkaline aqueous solution as an electrolyte, wherein the anode mixture (3) consists of beta-type nickel oxyhydroxide, graphite powder, potassium hydroxide aqueous solution that are mixed in a specified proportion by weight. The beta-type nickel oxyhydroxide is prepared by chemical oxidation, has an almost spherical particle shape, and has an average particle sized of 5-50 μm.

Abstract translation: 适用于一次电池或二次电池的碱性电池作为电子设备的电源。 重负荷放电特性和循环特性优异的碱性电池。 使用含有β-型羟基氧化镍的负极合剂（3）作为负极活性物质，含有锌作为正极活性物质的正极合剂（5）和作为电解质的碱性水溶液的碱性电池（100） 其中所述负极混合物（3）由以规定比例混合的β-型氢氧化正镍，石墨粉末，氢氧化钾水溶液组成。 β-型羟基氧化镍是通过化学氧化制备的，具有几乎球形的颗粒形状，并具有5​​-50μm的平均颗粒尺寸。

公开(公告)号：BRPI0912039A2

公开(公告)日：2015-10-06

申请号：BRPI0912039

申请日：2009-06-04

Applicant: SONY CORP

Inventor： YAMAMOTO KENTA ,  SENDA YUI ,  NAKAYAMA YURI

IPC: H01M4/46 ,  H01M2/02 ,  H01M4/133 ,  H01M4/58 ,  H01M4/583 ,  H01M4/62 ,  H01M4/66 ,  H01M10/054 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

公开(公告)号：JP2008041504A

公开(公告)日：2008-02-21

申请号：JP2006216074

申请日：2006-08-08

Applicant: Sony Corp ,  ソニー株式会社

Inventor： TAKAGI RYOSUKE ,  YAMAMOTO KENTA ,  KAJITA ATSUSHI ,  YAMAKAWA NAOKO ,  SUZUKI HIROYUKI

IPC: H01M2/16 ,  H01M6/16

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To prevent contact between a positive electrode and a negative electrode caused by contraction of a separator in temperature rise in a battery. SOLUTION: For the separator, a surface layer containing polymer particles having a melting point lower than that of a separator material is formed on a surface thereof. The surface layer is formed by applying slurry comprising, for instance, a binder, a solvent and polymer particles to the separator, phase-separating it by making it pass through a poor solvent of the binder and a solvent affinity bath of the solvent, and thereafter drying it. A material high in affinity to the separator material is preferable for the polymer particles used in this case, and the average particle diameter thereof is preferably set not larger than 5.0 μm in order to prevent the degradation of volume efficiency and a load characteristic of the battery caused by excessive increase of thickness of the surface layer. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了防止由电池中的温度升高引起的隔膜收缩引起的正极和负极之间的接触。 解决方案：对于隔板，在其表面上形成含有熔点低于隔板材料的聚合物颗粒的表面层。 表面层通过将包含例如粘合剂，溶剂和聚合物颗粒的浆料施加到分离器上而形成，通过使其通过粘合剂的不良溶剂和溶剂的溶剂亲和浴将其相分离，以及 然后干燥。 对于这种情况下使用的聚合物颗粒，优选对隔板材料具有高亲和性的材料，其平均粒径优选设定为不大于5.0μm，以防止体积效率的降低和电池的负载特性 由表面层的厚度过度增加引起的。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007184138A

公开(公告)日：2007-07-19

申请号：JP2006000755

申请日：2006-01-05

Applicant: Sony Corp ,  ソニー株式会社

Inventor： TAKAGI RYOSUKE ,  YAMAMOTO KENTA

IPC: H01M2/34

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To provide a current control mechanism which can be miniaturized into a foil. SOLUTION: Connecting plates 9a and 9b are arranged opposite to each other. In the gap between the opposite connecting plates, an insulating sheet 8a made of an insulating material is arranged at the inner circumferential side, and an insulating sheet 8b is arranged at the outer circumferential side. Solder 7 serving as a conductive member melting at a given temperature is arranged to be sandwiched between the insulating sheets 8a and 8b in the gap between the opposite connecting plates. The solder 7 is made of a material that can hardly be alloyed with a conductive member contained in at least either of the connecting plates 9a and 9b. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供可以小型化成箔的电流控制机构。 解决方案：连接板9a和9b彼此相对布置。 在相对的连接板之间的间隙中，在内周侧设置由绝缘材料制成的绝缘片8a，并且绝缘片8b布置在外周侧。 作为在给定温度下熔化的导电部件的焊料7被布置为夹在相对的连接板之间的间隙中的绝缘片8a和8b之间。 焊料7由与包含在至少任一个连接板9a和9b中的导电构件几乎不能合金化的材料制成。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2007157332A

公开(公告)日：2007-06-21

申请号：JP2005346334

申请日：2005-11-30

Applicant: Sony Corp ,  ソニー株式会社

Inventor： TAKAGI RYOSUKE ,  YAMAKAWA NAOKO ,  YAMAMOTO KENTA

IPC: H01M6/16

CPC classification number: H01M6/16 ,  H01M4/382 ,  H01M4/40 ,  H01M4/405 ,  H01M4/581 ,  H01M4/5815 ,  H01M2006/5094 ,  H01M2200/106

Abstract: PROBLEM TO BE SOLVED: To provide a battery improved in a discharge capacity at a constant output.
SOLUTION: A battery element 20 has a winding structure in which a positive electrode 21 and a negative electrode 22 are wound as laminated holding a separator 23 between them. The positive electrode 21 contains iron sulfide as a positive electrode active material, and the negative electrode 22 contains lithium metal or lithium alloy as a negative electrode active material. A ratio R of a discharge capacity per unit area of the positive electrode 21 to a discharge capacity per unit area of the negative electrode 22 (a discharge capacity per unit area of the positive electrode 21/a discharge capacity per unit area of the negative electrode 22) is larger than 1 and 1.4 or less, and lowering of a discharge voltage of the positive electrode 21 is inhibited at the end stage of electric discharge.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供在恒定输出时提高放电容量的电池。 解决方案：电池元件20具有绕组结构，其中正极21和负极22被卷绕成层压体，隔板23夹在它们之间。 正极21含有硫化铁作为正极活性物质，负极22含有锂金属或锂合金作为负极活性物质。 正极21的每单位面积的放电容量与负极22的每单位面积的放电容量的比R（正极21的每单位面积的放电容量/负极的每单位面积的放电容量 22）大于1和1.4以下，并且在放电的最后阶段抑制正电极21的放电电压的降低。 版权所有（C）2007，JPO＆INPIT