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公开(公告)号：US20060286445A1
公开(公告)日：2006-12-21
申请号：US11473334
申请日：2006-06-23
CPC分类号： H01M4/131 , H01M2/1653 , H01M2/1673 , H01M4/133 , H01M4/525 , H01M4/58 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M10/4235
摘要： A non-aqueous electrolyte secondary battery including: a positive electrode having a positive electrode material mixture containing a composite lithium oxide; a negative electrode; a polyolefin separator; a non-aqueous electrolyte; and a heat-resistant insulating layer interposed between the positive and negative electrodes. The positive electrode material mixture has an estimated heat generation rate at 200° C. of not greater than 50 W/kg. The positive electrode and the negative electrode are wound together with the separator and the heat-resistant insulating layer interposed therebetween.
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公开(公告)号：US08951674B2
公开(公告)日：2015-02-10
申请号：US11473327
申请日：2006-06-23
CPC分类号： H01M4/131 , H01M2/1653 , H01M4/505 , H01M4/525 , H01M10/4235
摘要： A non-aqueous electrolyte secondary battery including: a positive electrode having a positive electrode material mixture containing a composite lithium oxide; a negative electrode; a polyolefin separator; a non-aqueous electrolyte; and a heat-resistant insulating layer interposed between the positive and negative electrodes. The positive electrode material mixture has an estimated heat generation rate at 200° C. of not greater than 50 W/kg. The positive electrode and the negative electrode are wound together with the separator and the heat-resistant insulating layer interposed therebetween.
摘要翻译： 一种非水电解质二次电池，包括：具有含有复合氧化锂的正极合剂混合物的正极; 负极; 聚烯烃分离器; 非水电解质; 以及插入在正极和负极之间的耐热绝缘层。 正极材料混合物在200℃下的估计发热速率不大于50W / kg。 将正极和负极与隔板缠绕在一起，并且将耐热绝缘层插入其间。
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公开(公告)号：US08187748B2
公开(公告)日：2012-05-29
申请号：US11473334
申请日：2006-06-23
IPC分类号： H01M4/13
CPC分类号： H01M4/131 , H01M2/1653 , H01M2/1673 , H01M4/133 , H01M4/525 , H01M4/58 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M10/4235
摘要： A non-aqueous electrolyte secondary battery including: a positive electrode having a positive electrode material mixture containing a composite lithium oxide; a negative electrode; a polyolefin separator; a non-aqueous electrolyte; and a heat-resistant insulating layer interposed between the positive and negative electrodes. The positive electrode material mixture has an estimated heat generation rate at 200° C. of not greater than 50 W/kg. The positive electrode and the negative electrode are wound together with the separator and the heat-resistant insulating layer interposed therebetween.
摘要翻译： 一种非水电解质二次电池，包括：具有含有复合氧化锂的正极合剂混合物的正极; 负极; 聚烯烃分离器; 非水电解质; 以及插入在正极和负极之间的耐热绝缘层。 正极材料混合物在200℃下的估计发热速率不大于50W / kg。 将正极和负极与隔板缠绕在一起，并且将耐热绝缘层插入其间。
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公开(公告)号：US20080076017A1
公开(公告)日：2008-03-27
申请号：US11663812
申请日：2006-03-29
IPC分类号： H01M2/16
CPC分类号： H01M2/1653 , B22F1/0003 , B22F2998/00 , C04B35/532 , C04B35/58092 , C04B2235/404 , C04B2235/428 , C22C1/0491 , C22C32/0084 , H01M2/1673 , H01M4/134 , H01M4/364 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/42 , H01M4/463 , H01M4/525 , H01M4/58 , H01M4/587 , H01M10/052 , H01M10/4235 , H01M2004/027 , Y02T10/7011 , B22F9/002 , B22F2009/043 , B22F1/0044
摘要： A high capacity lithium secondary battery with excellent safety is provided by suppressing expansion of a negative electrode active material during charge and increasing the content of a heat-resistant resin in a separator relative to conventional one. The lithium secondary battery includes: a negative electrode active material that comprises compound particles containing at least one metal element selected from the group consisting of Si, Sn, Al, and Zn; and a separator that has a first porous layer comprising polyolefin and a second porous layer comprising a heat-resistant resin. The separator contains 10 to 60 parts by weight of the second porous layer per 100 parts by weight of the first porous layer.
摘要翻译： 通过抑制负电极活性物质在充电期间的膨胀，并增加隔板中的耐热树脂的含量相对于常规锂离子二次电池，提供了高容量的锂二次电池。 锂二次电池包括：负极活性物质，其包含含有选自Si，Sn，Al和Zn中的至少一种金属元素的化合物粒子; 以及具有包含聚烯烃的第一多孔层和包含耐热树脂的第二多孔层的隔板。 隔板每100重量份的第一多孔层含有10至60重量份的第二多孔层。
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公开(公告)号：US20060286444A1
公开(公告)日：2006-12-21
申请号：US11473327
申请日：2006-06-23
CPC分类号： H01M4/131 , H01M2/1653 , H01M4/505 , H01M4/525 , H01M10/4235
摘要： A non-aqueous electrolyte secondary battery including: a positive electrode having a positive electrode material mixture containing a composite lithium oxide; a negative electrode; a polyolefin separator; a non-aqueous electrolyte; and a heat-resistant insulating layer interposed between the positive and negative electrodes. The positive electrode material mixture has an estimated heat generation rate at 200° C of not greater than 50 W/kg. The positive electrode and the negative electrode are wound together with the separator and the heat-resistant insulating layer interposed therebetween.
摘要翻译： 一种非水电解质二次电池，包括：具有含有复合氧化锂的正极合剂混合物的正极; 负极; 聚烯烃分离器; 非水电解质; 以及插入在正极和负极之间的耐热绝缘层。 正极材料混合物在200℃下的估计发热速率不大于50W / kg。 将正极和负极与隔板缠绕在一起，并且将耐热绝缘层插入其间。
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公开(公告)号：US20060141341A1
公开(公告)日：2006-06-29
申请号：US11315189
申请日：2005-12-23
CPC分类号： H01M4/131 , H01M2/1653 , H01M4/505 , H01M4/525 , H01M10/4235
摘要： A non-aqueous electrolyte secondary battery including: a positive electrode having a positive electrode material mixture containing a composite lithium oxide; a negative electrode; a polyolefin separator; a non-aqueous electrolyte; and a heat-resistant insulating layer interposed between the positive and negative electrodes. The positive electrode active material mixture has an estimated heat generation rate at 200° C. of not greater than 50 W/kg. The estimated heat generation rate is determined by obtaining a relation between absolute temperature T and heat generation rate V of the positive electrode material mixture using an accelerating rate calorimeter; plotting a relation between the inverse of absolute temperature T and the logarithm of heat generation rate V according to the Arrhenius law; obtaining a straight line fitted to the plotted points in a heat generation temperature range of T
摘要翻译： 一种非水电解质二次电池，包括：具有含有复合氧化锂的正极合剂混合物的正极; 负极; 聚烯烃分离器; 非水电解质; 以及插入在正极和负极之间的耐热绝缘层。 正极活性物质混合物在200℃下的估计发热率不大于50W / kg。 通过使用加速率量热计获得正极材料混合物的绝对温度T和发热量V之间的关系来确定估计发热速率; 根据Arrhenius定律绘制绝对温度T的倒数与发热量V的对数之间的关系; 在T <200℃的发热温度范围内获得拟合到绘图点的直线; 并将直线外推至200℃的温度。
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公开(公告)号：US08883348B2
公开(公告)日：2014-11-11
申请号：US11916603
申请日：2006-07-21
IPC分类号： H01M4/00 , H01M4/13 , H01M4/58 , H01M10/0525 , H01M4/70
CPC分类号： H01M4/70 , H01M10/0525 , Y02E60/122 , Y02T10/7011
摘要： An object of the present invention is to provide an electrode for a lithium ion secondary battery that can ensure a high level of safety even when exposed to severe conditions such as a nail penetration test or crush test, and exhibit excellent output characteristics.The present invention relates to an electrode for a lithium ion secondary battery having a material mixture containing active material particles capable of reversibly absorbing and desorbing lithium, and a current collector that carries the material mixture, wherein a surface of the current collector has recessed portions, and an area occupied by the recessed portions accounts for not less than 30% of an a material mixture carrying area of the current collector. The present invention further relates to an electrode for a lithium ion secondary battery wherein, in a cut surface obtained by simultaneously cutting a material mixture and a current collector vertically to an electrode plane, the maximum depth of recessed portions is not less than 1 μm, or a difference between an average thickness of a current collector and a maximum thickness of the current collector is not less than 0.35 μm.
摘要翻译： 本发明的目的是提供一种锂离子二次电池用电极，即使在暴露于诸如指甲穿透试验或粉碎试验等严酷条件下也能够确保高水平的安全性，并且显示出优异的输出特性。 本发明涉及一种锂离子二次电池用电极，其具有包含能够可逆地吸收和解吸锂的活性物质粒子的材料混合物，以及承载该材料混合物的集电体，其中集电体的表面具有凹部， 并且由凹部占据的面积占集电体的混合物承载面积的30％以上。 本发明还涉及一种锂离子二次电池用电极，其特征在于，在与电极平面垂直地同时切割材料混合物和集电体的切断面中，凹部的最大深度为1μm以上， 或者集电体的平均厚度与集电体的最大厚度的差为0.35μm以上。
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公开(公告)号：US20080160412A1
公开(公告)日：2008-07-03
申请号：US11795265
申请日：2006-03-09
CPC分类号： H01M2/1653 , H01M2/1673 , H01M2/1686 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/4235 , Y02E60/122
摘要： In the non-aqueous electrolyte secondary battery of the present invention, the separator includes a heat-resistant resin having chlorine atoms as an end group and the positive electrode active material includes a lithium-containing complex oxide containing aluminum atoms in its composition. Even if the chlorine atoms are liberated into the non-aqueous electrolyte, aluminum contained in the positive electrode active material is selectively leached into the non-aqueous electrolyte, thereby suppressing the leaching of other component elements. Consequently, there can be obtained a non-aqueous electrolyte secondary battery excellent in safety and high temperature storage characteristics.
摘要翻译： 在本发明的非水电解质二次电池中，隔板包括具有氯原子作为端基的耐热树脂，正极活性物质包含其组成中含有铝原子的含锂复合氧化物。 即使将氯原子释放到非水电解质中，正极活性物质中所含的铝选择性地浸出到非水电解质中，从而抑制其它组分元素的浸出。 因此，可以获得安全性和高温保存特性优异的非水电解质二次电池。
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公开(公告)号：US07687202B2
公开(公告)日：2010-03-30
申请号：US11315189
申请日：2005-12-23
CPC分类号： H01M4/131 , H01M2/1653 , H01M4/505 , H01M4/525 , H01M10/4235
摘要： A non-aqueous electrolyte secondary battery including: a positive electrode having a positive electrode material mixture containing a composite lithium oxide; a negative electrode; a polyolefin separator; a non-aqueous electrolyte; and a heat-resistant insulating layer interposed between the positive and negative electrodes. The positive electrode active material mixture has an estimated heat generation rate at 200° C. of not greater than 50 W/kg. The estimated heat generation rate is determined by obtaining a relation between absolute temperature T and heat generation rate V of the positive electrode material mixture using an accelerating rate calorimeter; plotting a relation between the inverse of absolute temperature T and the logarithm of heat generation rate V according to the Arrhenius law; obtaining a straight line fitted to the plotted points in a heat generation temperature range of T
摘要翻译： 一种非水电解质二次电池，包括：具有含有复合氧化锂的正极合剂混合物的正极; 负极; 聚烯烃分离器; 非水电解质; 以及插入在正极和负极之间的耐热绝缘层。 正极活性物质混合物在200℃下的估计发热率不大于50W / kg。 通过使用加速率量热计获得正极材料混合物的绝对温度T和发热量V之间的关系来确定估计发热速率; 根据Arrhenius定律绘制绝对温度T的倒数与发热量V的对数之间的关系; 在T <200℃的发热温度范围内获得拟合到绘图点的直线; 并将直线外推至200℃的温度。
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公开(公告)号：US20090104529A1
公开(公告)日：2009-04-23
申请号：US11916603
申请日：2006-07-21
IPC分类号： H01M4/58
CPC分类号： H01M4/70 , H01M10/0525 , Y02E60/122 , Y02T10/7011
摘要： An object of the present invention is to provide an electrode for a lithium ion secondary battery that can ensure a high level of safety even when exposed to severe conditions such as a nail penetration test or crush test, and exhibit excellent output characteristics.The present invention relates to an electrode for a lithium ion secondary battery having a material mixture containing active material particles capable of reversibly absorbing and desorbing lithium, and a current collector that carries the material mixture, wherein a surface of the current collector has recessed portions, and an area occupied by the recessed portions accounts for not less than 30% of an a material mixture carrying area of the current collector. The present invention further relates to an electrode for a lithium ion secondary battery wherein, in a cut surface obtained by simultaneously cutting a material mixture and a current collector vertically to an electrode plane, the maximum depth of recessed portions is not less than 1 μm, or a difference between an average thickness of a current collector and a maximum thickness of the current collector is not less than 0.35 μm.
摘要翻译： 本发明的目的是提供一种锂离子二次电池用电极，即使在暴露于诸如指甲穿透试验或粉碎试验等严酷条件下也能够确保高水平的安全性，并且显示出优异的输出特性。 本发明涉及一种锂离子二次电池用电极，其具有包含能够可逆地吸收和解吸锂的活性物质粒子的材料混合物，以及承载该材料混合物的集电体，其中集电体的表面具有凹部， 并且由凹部占据的面积占集电体的混合物承载面积的30％以上。 本发明还涉及一种锂离子二次电池用电极，其特征在于，在与电极平面垂直地同时切割材料混合物和集电体的切断面中，凹部的最大深度为1μm以上， 或者集电体的平均厚度与集电体的最大厚度的差为0.35μm以上。
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