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1. 发明专利

JP2015018819A 活物質及びリチウムイオン二次電池审中-公开
标题翻译：活性材料和锂离子二次电池
公开(公告)号：JP2015018819A
公开(公告)日：2015-01-29
申请号：JP2014185270
申请日：2014-09-11
申请人： Tdk株式会社 , Tdk Corp , Tdk株式会社
发明人： SEKI HIDEAKI , KATO TOMOHIKO , NAKANO HIROBUMI , SANO ATSUSHI
IPC分类号： H01M4/505 , H01M4/525
CPC分类号： Y02E60/122
摘要：【課題】高容量でかつ高電位での充放電サイクル特性に優れた活物質を提供すること。【解決手段】層状構造を有し、下記式(1)で表される組成を有し、BET測定により算出された比表面積をS、前記比表面積から計算される円相当の一次粒子径をD1、SEM像から求められる円相当の平均一次粒子径をD2とした場合、下記式(2)を満たすことを特徴とするリチウムイオン二次電池。LiyNiaCobMncMdOx・・・(1)[上記式(1)中、元素MはSi,Ba及びVからなる群から選ばれる少なくとも1種の元素であり、1.9≦̸(a+b+c+d+y)≦̸2.1、1.05≦̸y≦̸1.3、0
摘要翻译：要解决的问题：提供高电位下的充放电特性优异的高容量活性物质。解决方案：具有层结构的锂离子二次电池和由下式（1）表示的组成满足下式（ 2），其中S是通过BET测量计算的比表面积，Dis是与由比表面积计算的圆相对应的一次粒径，Dis表示与由SEM图像确定的圆相对应的平均一次粒径。 LiNiCoMnMO ...（1）（式（1）中，M为选自Si，Ba和V中的至少一种元素，1.9≤（a + b + c + d + y）≤2.1， 1.05≤y≤1.3,0

2. 发明专利

JP2014139922A Positive electrode active material and lithium ion secondary battery 有权
标题翻译：正极电极活性材料和锂离子二次电池
公开(公告)号：JP2014139922A
公开(公告)日：2014-07-31
申请号：JP2013227801
申请日：2013-11-01
申请人： Tdk Corp , Tdk株式会社
发明人： SEKI HIDEAKI , SANO ATSUSHI , SOBU MASAKI , NAKAMOTO TOMOTSUGU
IPC分类号： H01M4/58
CPC分类号： H01M4/5825 , C01B25/45 , H01M10/052
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode active material excellent in discharge capacity and rate characteristics of a lithium ion secondary battery and to provide a lithium ion secondary battery.SOLUTION: The positive electrode active material for a lithium ion secondary battery is a chemical compound represented by a chemical formula: LiVOPO, wherein a crystal system of the chemical compound does not contain a triclinic system and is composed of an orthorhombic system single phase, and a tetravalent vanadium amount in LiVOPOis 27.7 weight% or more and 28.2 weight% or less, further preferably, 27.7 weight% or more and 27.9 weight% or less.
摘要翻译：要解决的问题：提供锂离子二次电池的放电容量和速率特性优异的正极活性物质，并提供锂离子二次电池。解决方案：锂离子二次电池用正极活性物质是化学物质由化学式LiVOPO表示的化合物，其中化合物的结晶体系不含三斜晶系，由斜方晶系单相组成，LiVOPO中的四价钒量为27.7重量％以上且28.2重量％以下，或更优选为27.7重量％以上且27.9重量％以下。

3. 发明专利

JP2013229307A Nonaqueous electrolyte solution and lithium ion secondary battery 有权
标题翻译：非电解电解液和锂离子二次电池
公开(公告)号：JP2013229307A
公开(公告)日：2013-11-07
申请号：JP2013051963
申请日：2013-03-14
申请人： Tdk Corp , Tdk株式会社
发明人： KOTANI KENTA , SANO ATSUSHI
IPC分类号： H01M10/0567 , H01M10/052 , H01M10/0569
CPC分类号： H01M10/0569 , H01M10/0525 , H01M10/0567 , Y02E60/122 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery having an excellent initial discharge capacity and being capable of effectively charging/discharging in a low temperature range.SOLUTION: A lithium ion secondary battery includes: a negative electrode; a positive electrode; and nonaqueous electrolyte solution containing cyclic carbonate, chain carbonate, glycol sulfate derivative, and fluoro ethylene carbonate.
摘要翻译：要解决的问题：提供具有优异的初始放电容量并且能够在低温范围内有效地充放电的锂离子二次电池。解决方案：锂离子二次电池包括：负极; 正极; 和含有环状碳酸酯，链状碳酸酯，二醇硫酸酯衍生物和氟代碳酸亚乙酯的非水电解质溶液。

4. 发明专利

JP2013229306A Negative electrode for lithium ion secondary battery and lithium ion secondary battery 有权
标题翻译：用于锂离子二次电池和锂离子二次电池的负极
公开(公告)号：JP2013229306A
公开(公告)日：2013-11-07
申请号：JP2013050353
申请日：2013-03-13
申请人： Tdk Corp , Tdk株式会社
发明人： KAWANAKA YASUYUKI , SANO ATSUSHI , IKEDA YASUHIRO , TANAKA KAZUMASA
IPC分类号： H01M4/134 , H01M4/66 , H01M10/052
CPC分类号： H01M4/386 , H01M4/131 , H01M4/134 , H01M4/64 , H01M10/0525 , H01M2004/021 , H01M2004/027 , Y02E60/122 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode for a lithium ion secondary battery, good in charge/discharge cycle characteristics.SOLUTION: In the present invention, a negative electrode for a lithium ion secondary battery is used. In the negative electrode, a product of tensile strength and thickness of a negative electrode having a negative electrode active material layer mainly containing silicon and silicon oxide is in the range of 3.8-9.0 N/mm and a value obtained by dividing the product of the tensile strength and the thickness of the negative electrode by a product of tensile strength and thickness of a negative electrode current collector is in the range of 1.06-1.29.
摘要翻译：要解决的问题：提供一种用于锂离子二次电池的负极，充电/放电循环特性良好。解决方案：在本发明中，使用锂离子二次电池用负极。在负极中，具有主要含有硅和氧化硅的负极活性物质层的负极的拉伸强度和厚度的乘积在3.8〜9.0N / mm的范围内，通过将抗拉强度和负极集电体的拉伸强度和厚度乘积的负极的拉伸强度和厚度在1.06-1.29的范围内。

5. 发明专利

JP2013229302A Lithium ion secondary battery 有权
标题翻译：锂离子二次电池
公开(公告)号：JP2013229302A
公开(公告)日：2013-11-07
申请号：JP2013050349
申请日：2013-03-13
申请人： Tdk Corp , Tdk株式会社
发明人： IKEDA YASUHIRO , SANO ATSUSHI
IPC分类号： H01M10/052 , H01M4/36 , H01M4/38 , H01M4/48 , H01M4/505 , H01M4/525
CPC分类号： H01M4/134 , H01M4/131 , H01M4/364 , H01M4/366 , H01M4/386 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/625 , H01M10/052 , Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery high in capacity and suppressed in temperature rise in overcharge.SOLUTION: A lithium ion secondary battery according to the present invention includes: a positive electrode including a positive electrode active material represented by general formula: LiNiCoMO(in the formula, M represents at least one selected from the group consisting of Mg, Ba, Al, Ti, Mn, V, Fe, Zr, and Mo, and 0.9≤x≤1.2, 0≤y≤1.1, 0≤z≤1.1 and 0≤t≤1.1 are satisfied); and a negative electrode including a negative electrode active material which mainly contains silicon and silicon oxide and has an absorbance at 2,110±10 cmobtained according to an FT-IR method of in the range of 0.01-0.035.
摘要翻译：要解决的问题：提供一种容量高且抑制过充电温升的锂离子二次电池。解决方案：根据本发明的锂离子二次电池包括：正极，包括由通式：LiNiCoMO（式中，M表示选自Mg，Ba，Al，Ti，Mn，V，Fe，Zr和Mo中的至少一种，0.9≤x≤1.2,0≤y≤1.1， 0≤z≤1.1和0≤t≤1.1）; 以及负极，其包含主要含有硅和氧化硅的负极活性物质，并且根据FT-IR方法获得的吸光度为2,110±10cm，范围为0.01-0.035。

6. 发明专利

JP2013206557A Active material and lithium ion secondary battery 有权
标题翻译：活性材料和锂离子二次电池
公开(公告)号：JP2013206557A
公开(公告)日：2013-10-07
申请号：JP2012070954
申请日：2012-03-27
申请人： Tdk Corp , Tdk株式会社
发明人： SEKI HIDEAKI , KATO TOMOHIKO , NAKANO HIROBUMI , SANO ATSUSHI
IPC分类号： H01M4/505 , H01M4/525
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide an active material which has high capacity and excels in charge/discharge cycle characteristics at high potential.SOLUTION: A lithium ion secondary battery has a lamellar structure and has a composition expressed by the formula (1) below, characterized in that letting a specific surface calculated by BET measurement be S, a circle equivalent primary particle size calculated from the specific surface be D, and a circle equivalent average primary particle size obtained from a SEM image be D, then the formula (2) below is satisfied. Formula (1) LiNiCoMnMO(where, an element M represents at least one element selected from the group consisting of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba and V; and 1.9≤(a+b+c+d+y)≤2.1, 1.05≤y≤1.3, 0
摘要翻译：要解决的问题：提供具有高容量和高电位的充放电循环特性优异的活性物质。解决方案：锂离子二次电池具有层状结构并具有由下式（1）表示的组成，其特征在于，将通过BET测定计算出的比表面积设为S，从比表面算出的圆当量一次粒径为D，从SEM图像得到的圆当量平均一次粒径为D，则式（2）以下是满意的式（1）LiNiCoMnMO（其中，元素M表示选自Al，Si，Zr，Ti，Fe，Mg，Nb，Ba和V中的至少一种元素;1.9≤（a + b + c + d + y）≤2.1,1.05≤y≤1.3,0≤a≤0.3,0≤b≤0.25,0.3≤c≤0.7,0≤d≤0.1,1.90≤x≤2.1。式（2） 3.57≤D/D≤5.39。

7. 发明专利

JP2013206556A Active material, electrode and lithium secondary battery 有权
标题翻译：活性材料，电极和锂二次电池
公开(公告)号：JP2013206556A
公开(公告)日：2013-10-07
申请号：JP2012070953
申请日：2012-03-27
申请人： Tdk Corp , Tdk株式会社
发明人： KATO TOMOHIKO , SANO ATSUSHI
IPC分类号： H01M4/525 , H01M4/131 , H01M4/505
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide an active material having high capacity and excellent cycle characteristics.SOLUTION: An active material that has a composition represented by the following formula (1) and has a cross-sectional area of a closed pore of a primary particle of 5% or more and 30% or less with respect to a cross-sectional area of the primary particle is used. LiNiCoMnMO...(1) (where, element M represents at least one element selected from the group consisting of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba and V, and 1.9≤(a+b+c+d+y)≤2.1, 1.0
摘要翻译：要解决的问题：提供具有高容量和优异的循环特性的活性物质。溶液：具有由下式（1）表示的组成并具有一次粒子的闭孔的横截面积的活性物质使用相对于一次粒子的截面积为5％以上且30％以下的情况。 LiNiCoMnMO ...（1）（其中，元素M表示选自Al，Si，Zr，Ti，Fe，Mg，Nb，Ba和V中的至少一种元素，1.9≤（a + b + c + d + y）≤2.1,1.0

8. 发明专利

JP2012216409A Active material, electrode, lithium ion secondary battery, and active material manufacturing method 有权
标题翻译：活性材料，电极，锂离子二次电池和活性材料制造方法
公开(公告)号：JP2012216409A
公开(公告)日：2012-11-08
申请号：JP2011080654
申请日：2011-03-31
申请人： Tdk Corp , Tdk株式会社
发明人： OTSUKI KEITARO , SANO ATSUSHI
IPC分类号： H01M4/58 , H01M4/36
CPC分类号： H01M4/663 , H01M4/133 , H01M4/136 , H01M4/364 , H01M4/5825 , H01M4/587 , H01M10/0525 , Y02E60/122 , Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide an active material which can obtain a sufficient discharge capacity at a high discharge rate, as well as an electrode containing the active material, a lithium ion secondary battery including the electrode, and a manufacturing method for the active material.SOLUTION: The active material contains LiVOPOpowder, first carbon powder, and second carbon powder. Assuming that a ratio of a G band peak height observed near 1580 cmin the Raman spectrum of the first carbon powder to a 2D band peak height observed near 2700 cmin the Raman spectrum of the first carbon powder is A1, and that a ratio of a G band peak height observed near 1580 cmin the Raman spectrum of the second carbon powder to a 2D band peak height observed near 2700 cmin the Raman spectrum of the second carbon powder is A2, a relationship 0.05≤A1/A2≤0.5 is satisfied.
摘要翻译：解决的问题：为了提供能够以高放电率获得足够的放电容量的活性材料以及含有活性物质的电极，包括该电极的锂离子二次电池及其制造方法活性物质。
解决方案：活性物质含有LiVOPO 4 粉末，第一碳粉和第二碳粉。假设在2700cm附近观察到的第一碳粉末的拉曼光谱附近的1580cm附近观察到的G带峰高的比率 -1 第一碳粉末的拉曼光谱中的=“POST”> -1 为A1，在1580cm附近观察到的G带峰高的比例 -1 >第二碳粉末的拉曼光谱到第二碳粉末的拉曼光谱附近的2700cm附近观察到的2D带峰高，为A2，关系为0.05≤ A1 /A2≤0.5。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012038564A Active material, method for manufacturing active material, and lithium ion secondary battery 有权
标题翻译：活性材料，制造活性材料的方法和锂离子二次电池
公开(公告)号：JP2012038564A
公开(公告)日：2012-02-23
申请号：JP2010177432
申请日：2010-08-06
申请人： Tdk Corp , Tdk株式会社
发明人： KATO TOMOHIKO , SANO ATSUSHI , SOBU MASAKI , NOJIMA AKINOBU
IPC分类号： H01M4/505 , H01M4/1391 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/058
CPC分类号： H01M4/667 , C01G45/1228 , C01G51/50 , C01G53/50 , C01P2002/52 , C01P2006/12 , C01P2006/40 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0568 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide an active material with high capacity and excellent durability for operating cycles at high potential.SOLUTION: The active material has a layer structure and is represented by a formula (1) below: LiNiCoMnMOFP(1) [in the formula (1), an element M is at least one kind of element selected from a group consisting of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba, and V, 1.9≤(a+b+c+d+y)≤2.1, 1.0≤y≤1.3, 0
摘要翻译：要解决的问题：提供具有高容量的高活性材料和高电位操作循环的优异的耐久性。
解决方案：活性材料具有层结构，由下式（1）表示：Ni a b M c O

10. 发明专利

JP2011096641A Manufacturing method of active material, and manufacturing method of lithium ion secondary battery 有权
标题翻译：活性材料的制造方法和锂离子二次电池的制造方法
公开(公告)号：JP2011096641A
公开(公告)日：2011-05-12
申请号：JP2010207083
申请日：2010-09-15
申请人： Tdk Corp , Tdk株式会社
发明人： TOKITA KOJI , OTSUKI KEITARO , SANO ATSUSHI
IPC分类号： H01M4/58 , C01B25/45 , H01M4/36
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of an active material capable of improving rate characteristics of a lithium ion secondary battery.
SOLUTION: The manufacturing method of the active material includes a process of forming an intermediate by heating a phosphate source, a vanadium source, a water-soluble organic compound and water for 1 to 12 hours, and a process of heating the intermediate, lithium salt and water.
COPYRIGHT: (C)2011,JPO&INPIT

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