-
公开(公告)号：US09698397B2
公开(公告)日：2017-07-04
申请号：US14356458
申请日：2011-11-10
IPC分类号： H01M2/16 , H01M2/18 , H01M2/34 , H01M10/04 , H01M10/0587
CPC分类号： H01M2/1653 , H01M2/18 , H01M2/34 , H01M10/0431 , H01M10/0587
摘要： A battery includes a flat wound electrode body formed by winding a positive electrode sheet and a negative electrode sheet with a separator interposed therebetween into a flat shape. The separator has an outer edge adjacent portion adjacent to either an outer edge of a positive electrode active material layer or an outer edge of a negative electrode active material layer. In a curve positioned portion disposed at least in a curved portion of the flat wound electrode body, the outer edge adjacent portion has a suppression portion for suppressing the occurrence or development of a crack.
-
公开(公告)号：US09209502B2
公开(公告)日：2015-12-08
申请号：US14004440
申请日：2011-03-16
IPC分类号： H01M2/14 , H01M10/658 , H01M2/16 , H01M10/052
CPC分类号： H01M10/613 , H01M2/1646 , H01M2/1653 , H01M2/166 , H01M2/1686 , H01M10/052 , Y02E60/122
摘要： The present invention provides a non-aqueous electrolyte secondary battery with great high-rate discharge properties while being less susceptible to an extensive internal short circuit and likely to provide proper assembly. The non-aqueous electrolyte secondary battery comprises a separator (13) placed between a positive electrode and a negative electrode. Separator (13) comprises a porous resin layer (60), and a porous heat-resistant layer (70) overlaid at least on a first face of resin layer (60). Heat-resistant layer (70) comprises a filler consisting of an inorganic material, and a binder. Heat-resistant layer (70) has a porosity of 55% or higher. Heat-resistant layer (70) exhibits a 90° peel strength of 2.9 N/m to 15.1 N/m to the resin layer (60).
摘要翻译： 本发明提供一种具有高放电特性的非水电解质二次电池，同时不易产生广泛的内部短路并且可能提供适当的组装。 非水电解质二次电池包括放置在正极和负极之间的隔膜（13）。 分离器（13）包括多孔树脂层（60）和至少覆盖在树脂层（60）的第一面上的多孔耐热层（70）。 耐热层（70）包括由无机材料和粘合剂组成的填料。 耐热层（70）的孔隙率为55％以上。 耐热层（70）对树脂层（60）的剥离强度为2.9N / m〜15.1N / m。
-
公开(公告)号：US20130143091A1
公开(公告)日：2013-06-06
申请号：US13817162
申请日：2010-08-19
IPC分类号： H01M4/62
CPC分类号： H01M4/626 , H01M2/1646 , H01M4/13 , H01M10/0566 , H01M10/0587 , Y02E60/122
摘要： A non-aqueous electrolyte secondary battery obtained by the present invention is a non-aqueous electrolyte secondary battery including an electrode body having a positive electrode sheet and a negative electrode sheet 20 stacked via a separator sheet 40. A porous layer 42 having filler particles 44 and a binder is formed between the separator sheet 40 and at least one of the positive electrode sheet and the negative electrode sheet 20. The median value in the circularity distribution of the filler particles 44 contained in the porous layer 42 is 0.85 to 0.97.
摘要翻译： 通过本发明获得的非水电解质二次电池是具有通过隔板40堆叠的具有正极片和负极片20的电极体的非水电解质二次电池。具有填充剂粒子44的多孔层42 并且在隔离片40与正极片和负极片20中的至少一个之间形成粘结剂。包含在多孔层42中的填料颗粒44的圆形度分布中的中值为0.85至0.97。
-
公开(公告)号：US20130084503A1
公开(公告)日：2013-04-04
申请号：US13703949
申请日：2010-06-15
IPC分类号： H01M4/62
CPC分类号： H01M4/626 , H01M2/1646 , H01M10/052 , H01M10/0566 , H01M10/0587 , Y02E60/122
摘要： A nonaqueous electrolyte secondary battery provided by the present invention includes an electrode body in which a positive electrode sheet and a negative electrode sheet 20 are laminated with a separator sheet 40 interposed therebetween. A porous layer 42 including an inorganic filler and a binder is formed on at least one surface of the separator sheet 40. The surface of the porous layer 42 is made uneven by forming peaks and valleys, and a maximum difference of elevation on an uneven surface 42a is 0.2 μm to 1.7 μm.
摘要翻译： 本发明提供的非水电解质二次电池包括其中正极片和负极片20层叠有间隔片40的电极体。 在隔片40的至少一个表面上形成包括无机填料和粘合剂的多孔层42.多孔层42的表面通过形成峰谷形成为不均匀，并且在不平坦表面上的最大高度差 42a为0.2μm〜1.7μm。
-
公开(公告)号：US09595745B2
公开(公告)日：2017-03-14
申请号：US14234697
申请日：2011-07-25
IPC分类号： H01M2/18 , H01M10/658 , H01M2/16 , H01M10/052
CPC分类号： H01M10/625 , H01M2/1666 , H01M2/1673 , H01M10/052 , Y02T10/7011
摘要： A nonaqueous electrolyte secondary battery 100 according to this invention includes a positive electrode 10, a negative electrode 20, a separator 40 interposed between the positive electrode 10 and the negative electrode 20, and a nonaqueous electrolyte solution. A porous heat-resistant layer 42 is additionally provided between the separator 40 and at least one electrode from among the positive electrode 10 and the negative electrode 20. The porous heat-resistant layer 42 includes hollow particles 44 made of an inorganic material, and a binder 46.
摘要翻译： 根据本发明的非水电解质二次电池100包括正极10，负极20，介于正极10和负极20之间的隔板40和非水电解质溶液。 在隔板40和正极10和负极20之间的至少一个电极之间另外设有多孔耐热层42.多孔耐热层42包括由无机材料制成的中空颗粒44和 粘合剂46。
-
公开(公告)号：US20130101876A1
公开(公告)日：2013-04-25
申请号：US13122173
申请日：2010-06-11
IPC分类号： H01M10/04
CPC分类号： H01M10/0431 , H01M2/1686 , H01M4/13 , H01M4/139 , H01M4/366 , H01M10/052 , H01M10/0587 , Y02T10/7011 , Y10T29/49115
摘要： A lithium secondary battery provided by the present invention includes a spirally wound electrode body in which a positive electrode sheet and a negative electrode sheet are spirally wound with a separator sheet 40 interposed therebetween, wherein on a sheet surface of at least any one from among the positive electrode sheet, negative electrode sheet, and separator sheet 40 constituting the spirally wound electrode body, a porous layer 60 is formed along a longitudinal direction of the sheet 40, and the porous layer 60 is thicker in a spiral winding direction of the spirally wound electrode body in a winding center portion 62 than in a winding outer portion 64.
摘要翻译： 本发明提供的锂二次电池包括螺旋卷绕的电极体，其中正极片和负极片螺旋地缠绕有介于其间的隔板片40，其中，在 构成螺旋卷绕电极体的正极片，负极片和隔板片40沿着片40的长度方向形成多孔层60，多孔层60在螺旋缠绕的螺旋缠绕方向上较厚 卷绕中心部分62中的电极体比卷绕外部部分64中的电极体。
-
公开(公告)号：US09673436B2
公开(公告)日：2017-06-06
申请号：US14357580
申请日：2011-11-15
IPC分类号： H01M2/14 , H01M2/16 , H01M10/42 , H01M10/052
CPC分类号： H01M2/1686 , H01M2/1646 , H01M2/166 , H01M2/1673 , H01M10/052 , H01M10/4235
摘要： The nonaqueous electrolyte secondary battery of the present invention has a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte solution. The battery further has a porous heat-resistant layer provided between the separator and at least one of the positive electrode and the negative electrode, wherein the porous heat-resistant layer includes an inorganic filler and a binder. The inorganic filler included in the porous heat-resistant layer has a particle size distribution with two peaks, which are a first peak (P1) at a relatively small particle diameter and a second peak (P2) at a relatively large particle diameter. When the particle diameter of the first peak (P1) is D1 be and the particle diameter of the second peak (P2) is D2 being, the peak particle diameter ratio D1/D2 satisfies the condition 0.2≦D1/D2≦0.7.
-
公开(公告)号：US08932767B2
公开(公告)日：2015-01-13
申请号：US13879034
申请日：2010-10-13
CPC分类号： H01M2/1686 , H01M10/052
摘要： A nonaqueous electrolyte lithium secondary battery obtained by the present invention has a separator and a porous layer which contains an inorganic filler and a binder and which is formed on the separator, wherein a thickness of the separator ranges from 12 μm to 18 μm, a porosity of the separator ranges from 52% to 67%, a thickness of the porous layer ranges from 3 μm to 15 μm, a porosity of the porous layer ranges from 44% to 70%, and the porous layer-attached separator exhibits a film resistance equal to or lower than 1.35 Ω·cm2 when impregnated with an electrolyte solution.
摘要翻译： 通过本发明获得的非水电解质锂二次电池具有隔板和多孔层，其包含无机填料和粘合剂，并且形成在隔板上，其中隔板的厚度为12μm至18μm，孔隙率 的隔膜的范围为52％〜67％，多孔层的厚度为3μm〜15μm，多孔层的孔隙率为44％〜70％，多孔层附着隔膜的膜电阻 当用电解质溶液浸渍时等于或低于1.35＆OHgr·cm2。
-
公开(公告)号：US09660240B2
公开(公告)日：2017-05-23
申请号：US14130993
申请日：2011-07-07
IPC分类号： H01M2/16 , H01M10/052 , H01M2/34
CPC分类号： H01M2/1686 , H01M2/1653 , H01M2/1673 , H01M2/348 , H01M10/052
摘要： Provided is a very safe secondary battery that can prevent the occurrence of battery abnormalities even when the internal battery temperature increases due to, for example, overcharging. A separator 70 in this secondary battery has a laminated structure that is provided with at least two porous layers 76A, 72, 76B, wherein one of these layers forms a porous electroconductive layer 72 in which an electroconductive material 74 is dispersed in the porous layer.
-
10.发明授权Non-aqueous electrolyte secondary battery including a porous layer having filler particles and method of making thereof 有权包括具有填料颗粒的多孔层的非水电解质二次电池及其制造方法公开(公告)号：US09583769B2
公开(公告)日：2017-02-28
申请号：US13817162
申请日：2010-08-19
IPC分类号： H01M4/00 , H01M4/62 , H01M2/16 , H01M4/13 , H01M10/0566 , H01M10/0587
CPC分类号： H01M4/626 , H01M2/1646 , H01M4/13 , H01M10/0566 , H01M10/0587 , Y02E60/122
摘要： A non-aqueous electrolyte secondary battery obtained by the present invention is a non-aqueous electrolyte secondary battery including an electrode body having a positive electrode sheet and a negative electrode sheet 20 stacked via a separator sheet 40. A porous layer 42 having filler particles 44 and a binder is formed between the separator sheet 40 and at least one of the positive electrode sheet and the negative electrode sheet 20. The median value in the circularity distribution of the filler particles 44 contained in the porous layer 42 is 0.85 to 0.97.
摘要翻译： 通过本发明获得的非水电解质二次电池是具有通过隔板40堆叠的具有正极片和负极片20的电极体的非水电解质二次电池。具有填充剂粒子44的多孔层42 并且在隔离片40与正极片和负极片20中的至少一个之间形成粘结剂。包含在多孔层42中的填料颗粒44的圆形度分布中的中值为0.85至0.97。
-
-
-
-
-
-
-
-
-
搜索结果
79 条记录 (耗时 0.025 秒)
