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51. 发明专利

JP2014127275A Power storage device and method for manufacturing power storage device 有权
标题翻译：蓄电装置及其制造蓄电装置的方法
公开(公告)号：JP2014127275A
公开(公告)日：2014-07-07
申请号：JP2012281579
申请日：2012-12-25
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： TAJIMA MEGUMI , TOMIOKA MASAMI , KINOSHITA KYOICHI , KONDO TOSHIRO
IPC分类号： H01M4/02 , H01G11/22 , H01M4/04 , H01M4/36 , H01M10/04
CPC分类号： Y02E60/122 , Y02E60/13 , Y02P70/54 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a power storage device capable of enhancing electrolyte retention properties while improving reliability by suppressing a short circuit between a positive electrode and a negative electrode, and a method for manufacturing a power storage device.SOLUTION: A lithium ion secondary battery includes an electrode assembly in which a positive electrode sheet and a negative electrode sheet 19 are overlapped in a layer while a separator is interposed therebetween. In the lithium ion secondary battery, a negative electrode active material layer 26 provided in the negative electrode sheet 19 has a rough surface region 26b having a surface roughness Ra of 0.7 μm or more, and the rough surface region 26b is covered with a coat layer 30 containing alumina particles 31 having an average particle size of 50 nm or more and 10 μm or less.
摘要翻译：要解决的问题：提供能够通过抑制正极和负极之间的短路而提高可靠性的电解质保持性能的蓄电装置以及蓄电装置的制造方法。解决方案：锂离子二次电池包括电极组件，其中正极片和负电极片19重叠在一层中，同时插入隔板。在锂离子二次电池中，设置在负极片19中的负极活性物质层26具有表面粗糙度Ra为0.7μm以上的粗糙面区域26b，粗糙面区域26b被覆层 30，其含有平均粒径为50nm以上且10μm以下的氧化铝粒子31。

52. 发明专利

JP2014116209A Electrode and method for manufacturing electrode 有权
标题翻译：电极和制造电极的方法
公开(公告)号：JP2014116209A
公开(公告)日：2014-06-26
申请号：JP2012269821
申请日：2012-12-10
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： TAJIMA MEGUMI , TOMIOKA MASAMI , KINOSHITA KYOICHI
IPC分类号： H01M4/02 , H01M4/13 , H01M4/139 , H01M4/24 , H01M4/26 , H01M4/32
CPC分类号： Y02E60/122 , Y02E60/13 , Y02P70/54 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide an electrode capable of increasing liquid-retaining properties of an electrolyte, and a method for manufacturing an electrode.SOLUTION: A positive electrode sheet 18 including a positive electrode active material layer 26 on both sides of a positive electrode metal foil 25 has a coat layer 30 that includes insulating alumina short fibers 33 and covers the positive electrode active material layer 26, while the average of angles (the orientation angle) between the alumina short fibers 33 and the surface 25a of the positive electrode metal foil 25 is 30° or above and 90° or below.
摘要翻译：要解决的问题：提供一种能够提高电解液的保液性的电极，以及电极的制造方法。解决方案：正极片18，其在正极两侧具有正极活性物质层26 金属箔25具有包含绝缘氧化铝短纤维33并覆盖正极活性物质层26的涂层30，而氧化铝短纤维33与正极金属的表面25a之间的平均角度（取向角）箔25为30°以上且90°以下。

53. 发明专利

JP2014060015A Collector for secondary battery, method for manufacturing the same, and secondary battery 审中-公开
标题翻译：用于二次电池的收集器，其制造方法和二次电池
公开(公告)号：JP2014060015A
公开(公告)日：2014-04-03
申请号：JP2012203758
申请日：2012-09-17
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： TAJIMA MEGUMI , TOMIOKA MASAMI , KINOSHITA KYOICHI , SHINODA HIDEAKI , MIYOSHI MANABU
IPC分类号： H01M4/80 , C23C18/22 , C23C18/30 , C23C18/32 , H01M4/66
摘要： PROBLEM TO BE SOLVED: To provide: a collector for a secondary battery, having a plating layer on a surface thereof, made of a resin, and capable of improving adhesion between a base material and the plating layer; a method for manufacturing the collector; and a secondary battery.SOLUTION: A collector for a secondary battery includes: a base material having a plurality of fine spaces inside thereof, having a structure where the fine spaces are communicated to be connected to the outermost surface, and made of a resin; a catalyst part formed after a surface of the base material including an internal surface of the fine spaces has been modified, and including Pd or Ag; and a plating layer formed on a surface of the catalyst layer and including Cu or Ni.
摘要翻译：要解决的问题：提供一种二次电池用集电体，其表面具有由树脂形成的镀层，能够提高基材与镀层的粘合性; 收集器的制造方法; 二次电池的集电体包括：在其内部具有多个细小空间的基体材料，其中微细空间连通到最外表面并由树脂制成的结构; 在包含微细空间的内表面的基材的表面之后形成的催化剂部分已经被改性，并且包括Pd或Ag; 以及形成在催化剂层的表面上并包含Cu或Ni的镀层。

54. 发明专利

JP2014035919A Power storage device 审中-公开
标题翻译：电源存储设备
公开(公告)号：JP2014035919A
公开(公告)日：2014-02-24
申请号：JP2012177129
申请日：2012-08-09
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： TAJIMA MEGUMI , TOMIOKA MASAMI , KINOSHITA KYOICHI
IPC分类号： H01M10/04 , H01M4/04
摘要： PROBLEM TO BE SOLVED: To provide a power storage device in which a charged state can be prevented from being difficult to be detected even in cases when charge and discharge are repeated.SOLUTION: A first forming region 18b where a first positive electrode active material layer 26 containing a first positive electrode active material is formed is provided on both surfaces of a metal foil 25 constituting a first positive electrode sheet 18, while a second forming region 19b where a second positive electrode active material layer 27 containing a second positive electrode active material having a potential lower than that of the first positive electrode active material is formed is provided on both surfaces of a metal foil 25 constituting a second positive electrode sheet 19.
摘要翻译：要解决的问题：提供即使在重复进行充放电的情况下也能够防止充电状态难以检测的蓄电装置。解决方案：第一形成区域18b，其中第一正极活性物质层在构成第一正极片18的金属箔25的两面上形成有第一正极活性物质的第二正极活性物质层27，第二正极活性物质层27含有第二正极活性物质在构成第二正极片19的金属箔25的两面设置有比第一正极活性物质低的电位的电位。

55. 发明专利

JP2014032927A Battery jar for nonaqueous secondary battery 审中-公开
标题翻译：非电池二次电池电池
公开(公告)号：JP2014032927A
公开(公告)日：2014-02-20
申请号：JP2012174162
申请日：2012-08-06
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： TAJIMA MEGUMI , TOMIOKA MASAMI , KINOSHITA KYOICHI , SHINODA HIDEAKI , MIYOSHI MANABU
IPC分类号： H01M2/02 , B66F9/075 , C22C37/08 , C22C38/00 , C22C38/58 , C23C2/12
摘要： PROBLEM TO BE SOLVED: To provide a battery jar for a nonaqueous secondary battery that is optimum for a power supply for a forklift which works at a very low temperature such as in a freezer and the like.SOLUTION: The battery jar comprises: a base substance made of austenitic cast iron composed of a matrix comprising Fe alloy having an austenite phase as a main phase in a normal temperature region; and an aluminum coat layer formed on an inner surface of the base substance. The battery jar satisfies the corrosion resistance to an electrolyte of a nonaqueous secondary battery, reduction in thermal conductivity, and increase in specific heat.
摘要翻译：要解决的问题：提供一种用于非常低温工作的叉车的电源的非水二次电池的电池罐，其在诸如冷冻器等的非常低的温度下工作。解决方案：电池罐包括：底座由在常温区域中以奥氏体相为主相的含有Fe合金的基体构成的奥氏体铸铁制成的物质; 以及形成在基体的内表面上的铝涂层。电池罐满足对非水二次电池的电解质的耐腐蚀性，导热性的降低和比热的增加。

56. 发明专利

JP2014017200A Method for manufacturing electrode, and electrode 有权
标题翻译：制造电极和电极的方法
公开(公告)号：JP2014017200A
公开(公告)日：2014-01-30
申请号：JP2012155646
申请日：2012-07-11
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： KANETAKE FUMIYA , MIYOSHI MANABU , KINOSHITA KYOICHI , TOMIOKA MASAMI
IPC分类号： H01M4/139 , H01G9/00 , H01G11/22 , H01M4/04
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide: a method for manufacturing an electrode, capable of suppressing breakage of a metal foil while accelerating drying of an active material mixture; and an electrode.SOLUTION: In a first drying process of drying an active material paste 32 coated on a first surface M1 of metal foils 21 and 25, the active material paste 32 is dried in a state where a second surface M2 is brought into contact with a contact surface 36a, the second surface being an opposite surface to the first surface M1 in the metal foils 21 and 25 and being not coated with the active material paste 32, and the contact surface being an opposite surface to a formation surface 36b of a fin 37 in a heat transfer member 35 including the fin 37 formed therein.
摘要翻译：要解决的问题：提供一种电极制造方法，能够抑制金属箔的破坏，同时加速活性物质混合物的干燥; 和电极。解决方案：在涂覆在金属箔21和25的第一表面M1上的活性材料浆料32的干燥的第一干燥过程中，活性物质浆料32在第二表面M2接触的状态下被干燥具有接触表面36a，第二表面是与金属箔21和25中的第一表面M1相反的表面，并且不涂覆活性材料浆料32，并且接触表面是相对于形成表面36b的相对表面包括形成在其中的翅片37的传热构件35中的翅片37。

57. 发明专利

JP2013211175A Power storage unit 审中-公开
标题翻译：电源存储单元
公开(公告)号：JP2013211175A
公开(公告)日：2013-10-10
申请号：JP2012080956
申请日：2012-03-30
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： MINAMIGATA ATSUSHI , KINOSHITA KYOICHI
IPC分类号： H01M2/10 , H01G2/04 , H01G2/08 , H01G11/00 , H01G11/22 , H01M2/02 , H01M10/04 , H01M10/50
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a power storage unit which makes it possible to suitably adjust the temperature of a power storage device without lowering its volume energy density.SOLUTION: A battery module 10 includes a plurality of secondary batteries 11, each having housed in a case 12 an electrode body composed of layers of electrode sheets consisting of an active material coated on metal foil. The electrode body has electrode tab groups uncoated with the active material attached at its ends, respectively, and the thickness in the electrode tab group of the electrode body is thinner than the thickness in a portion coated with the active material of the electrode body. Opposite ends of the case 12 in the crosswise direction include wall portions 12c inclined so that the closer to the end portions in the crosswise direction, the smaller is a distance between the wall portions in the thickness direction of the electrode tab group. The plurality of secondary batteries 11 are disposed adjacent to each other in the front-back direction and in the crosswise direction, a space enclosed by the outer faces of the plurality of wall portions 12c constituting a medium passage 33.
摘要翻译：要解决的问题：提供一种能够在不降低其体积能量密度的情况下适当地调节蓄电装置的温度的蓄电单元。解决方案：电池模块10包括多个二次电池11，每个二次电池11 壳体12是由涂覆在金属箔上的活性材料组成的电极片层组成的电极体。电极体具有分别与其端部附着的活性物质未涂覆的电极接头组，并且电极体的电极接头组中的厚度比涂覆有电极体的活性物质的部分的厚度薄。壳体12的横向相反的端部包括倾斜的壁部12c，使得在横向方向上的端部越靠近电极接头组的厚度方向上的壁部之间的距离越小。多个二次电池11在前后方向和左右方向上彼此相邻设置有由构成介质通道33的多个壁部12c的外表面包围的空间。

58. 发明专利

JP2013211144A Power storage device 审中-公开
标题翻译：电源存储设备
公开(公告)号：JP2013211144A
公开(公告)日：2013-10-10
申请号：JP2012080024
申请日：2012-03-30
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： SUGIMOTO TAKAHISA , KINOSHITA KYOICHI , TOMIOKA MASAMI
IPC分类号： H01M2/34 , H01G2/16 , H01G11/00 , H01G11/66 , H01M2/06 , H01M2/30
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a power storage device capable of sufficiently breaking an electrode terminal using a thermosensitive deformation section.SOLUTION: A secondary battery 10 as a power storage device comprises: an electrode assembly 14; a case 11 housing the electrode assembly 14; and a positive electrode terminal 41 for extracting power of the electrode assembly 14 to the outside of the case 11. Here, a thermosensitive deformation member 63 extending in an axial line direction of a shaft section 52 in a shape recovery temperature is mounted to the shaft section 52 of a positive electrode bolt 51 constituting the positive electrode terminal 41. When the thermosensitive deformation member 63 is extended, its tensile force is transmitted to the shaft section 52 via each of nuts 61, 62 provided on both axial line sides of the thermosensitive deformation member 63, and the shaft section 52 is torn.
摘要翻译：要解决的问题：提供一种能够使用热敏变形部充分破坏电极端子的蓄电装置。解决方案：作为电力存储装置的二次电池10包括：电极组件14; 容纳电极组件14的壳体11; 以及用于将电极组件14的电力提取到壳体11的外部的正极端子41.这里，将具有形状恢复温度的轴部52的轴线方向延伸的热敏变形部件63安装在轴构成正极端子41的正极螺栓51的部分52.当热敏变形构件63伸长时，其张力通过设置在热敏变形构件63的两个轴线侧的螺母61,62中的每一个传递到轴部52。变形构件63，轴部52被撕裂。

59. 发明专利

JP2013197039A Power storage device and secondary battery 有权
标题翻译：电力存储设备和二次电池
公开(公告)号：JP2013197039A
公开(公告)日：2013-09-30
申请号：JP2012065884
申请日：2012-03-22
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： OKUDA MOTOAKI , KINOSHITA KYOICHI , TOMIOKA MASAMI
IPC分类号： H01M2/22 , H01M2/26 , H01M10/04
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To dispose a conductive member electrically connecting to an electrode terminal disposed on one end side in the wound axial direction of an electrode body an active material non-coated portion located on the other end side in the wound axial direction of the electrode body, without increasing the size of the case.SOLUTION: A secondary battery 10 has a wound type electrode body 11 housed in a case 12 whose cross section perpendicular to the wound axial direction of the electrode body is rectangular. The case 12 includes a cathode terminal 13 and an anode terminal 14 on one end side in the wound axial direction of the electrode body and has a conductive member 18 extending in the wound axial direction of the electrode body provided in a space created between the inner surface at a corner of the case 12 extending in the wound axial direction of the electrode body and the outer peripheral surface of the electrode body 11. The electrode body has an active material non-coated portion 15b of cathode sheet protrusively formed on one end side thereof and an active material non-coated portion 16b of anode sheet protrusively formed on the other end side. The active material non-coated portion 15b is electrically connected to the cathode terminal 13, and the active material non-coated portion 16b is electrically connected to the conductive member 18, which is in turn electrically connected to the anode terminal 14.
摘要翻译：要解决的问题：为了设置电连接到电极体的绕线轴向一端侧的电极端子的导电部件，该导电部件位于沿着电极体的卷绕轴向的另一端侧的活性材料未涂覆部分电极体，而不增加壳体的尺寸。解决方案：二次电池10具有容纳在壳体12中的卷绕型电极体11，该壳体12的横截面垂直于电极体的卷绕轴向是矩形的。壳体12在电极体的卷绕轴向的一端侧具有阴极端子13和阳极端子14，具有沿电极体的卷绕轴向延伸的导电构件18，该导电构件18设置在内侧在壳体12的沿电极体的卷绕轴向延伸的角部和电极体11的外周面的表面。电极体具有在一端侧突出形成的阴极片的活性物质未涂敷部15b 并且在另一端侧突出形成阳极片的活性物质未涂布部16b。活性材料未涂覆部分15b电连接到阴极端子13，并且活性材料未涂覆部分16b电连接到导电构件18，导电构件18又电连接到阳极端子14。

60. 发明专利

JP2013191366A Power storage device and vehicle 有权
标题翻译：电力存储设备和车辆
公开(公告)号：JP2013191366A
公开(公告)日：2013-09-26
申请号：JP2012056072
申请日：2012-03-13
申请人： Toyota Industries Corp , 株式会社豊田自動織機
发明人： SUGIMOTO TAKAHISA , KINOSHITA KYOICHI
IPC分类号： H01M2/34 , H01M2/26
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a technique for decreasing the electrical resistance of a power storage device having a current interruption structure.SOLUTION: The power storage device includes a negative electrode terminal, a negative electrode, and a conductive plate 54. The conductive plate 54 is electrically connected with both the negative electrode terminal and the negative electrode. Material of the conductive plate 54 is copper or a copper alloy. In the plan view of the conductive plate 54, a deposition part 55 of copper or a copper alloy having a diameter smaller than that of metal particles of the conductive plate 54 is provided between a first region connected electrically with the negative electrode terminal, and a second region connected electrically with the negative electrode. The deposition part 55 becomes a fracture origin when the internal pressure of the power storage device rises. The deposition part 55 encloses the first region.
摘要翻译：要解决的问题：提供一种降低具有电流中断结构的蓄电装置的电阻的技术。解决方案：蓄电装置包括负极端子，负极和导电板54.导电板 54与负极端子和负极电连接。导电板54的材料是铜或铜合金。在导电板54的平面图中，在与负极端子电连接的第一区域和与负极端子电连接的第一区域之间设置有直径小于导电板54的直径的铜或铜合金的沉积部分55，第二区域与负极电连接。当蓄电装置的内部压力升高时，沉积部分55成为断裂起点。沉积部分55包围第一区域。

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