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公开(公告)号：US20180183289A1
公开(公告)日：2018-06-28
申请号：US15903518
申请日：2018-02-23
发明人： Yosuke HORIUCHI , Shinya SAKURADA , Makoto MATSUSHITA , Norio TAKAHASHI , Toshio HASEBE , Tadashi TOKUMASU , Keiko OKAMOTO
CPC分类号： H02K1/2773 , H01F1/055 , H01F1/057 , H01F7/021 , H01F41/0293 , H02K1/24 , H02K1/2766 , H02K1/278 , H02K1/2786 , H02K15/03 , H02K21/028 , H02K2213/03 , H02P6/08 , Y02T10/641
摘要： According to embodiments, an electric machine includes a shaft, a rotor core, and a plurality of permanent magnets. The shaft rotates about an axis thereof. The rotor core is fixed to the shaft. The plurality of permanent magnets are provided in the rotor core, and include at least a first permanent magnet and a second permanent magnet. The first permanent magnet has an intrinsic coercive force of 1200 [kA/m] or more. The second permanent magnet has an intrinsic coercive force of 800 [kA/m] or more, a residual magnetization substantially the same as or larger than that of the first permanent magnet, and a recoil permeability smaller than that of the first permanent magnet.
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公开(公告)号：US20150086862A1
公开(公告)日：2015-03-26
申请号：US14478128
申请日：2014-09-05
IPC分类号： H01M10/0567 , H01M10/05 , H01M4/36
CPC分类号： H01M10/0567 , H01M4/131 , H01M4/133 , H01M4/364 , H01M4/366 , H01M4/483 , H01M10/052 , H01M2300/0025 , H01M2300/0034 , Y02T10/7011
摘要： A nonaqueous electrolyte secondary battery of an embodiment includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The electrolyte contains an organic solvent with a lithium salt dissolved therein and an additive. An active material of the negative electrode contains at least one metal selected from Si and Sn, at least one or more selected from an oxide of the metal and an alloy containing the metal, and a carbonaceous matter. A fluorine concentration of a film A formed on the metal, the oxide of the metal, or the alloy containing the metal in the negative electrode active material is higher than a fluorine concentration of a film B formed on the carbonaceous matter, the additive includes at least one compound containing fluorine and at least one compound containing no fluorine, or an electrolyte after initial charge contains at least one fluorine-containing additive.
摘要翻译： 实施方式的非水电解质二次电池包括正极，负极和非水电解质。 电解质含有溶解有锂盐的有机溶剂和添加剂。 负极的活性物质含有选自Si和Sn中的至少一种金属，选自金属的氧化物和含有金属的合金中的至少一种以上，以及碳质物质。 形成在金属上的膜A，金属的氧化物或含有金属的合金在负极活性物质中的氟浓度高于在碳质物质上形成的膜B的氟浓度，添加剂包括在 至少一种含氟和至少一种不含氟化合物的化合物，或初始充电后的电解质含有至少一种含氟添加剂。
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公开(公告)号：US20150086853A1
公开(公告)日：2015-03-26
申请号：US14482166
申请日：2014-09-10
CPC分类号： H01M4/364 , H01M4/131 , H01M4/134 , H01M4/386 , H01M4/387 , H01M4/485 , H01M10/0525 , H01M2004/021 , Y02T10/7011
摘要： A nonaqueous electrolyte secondary battery of an embodiment includes an exterior member, a cathode including a cathode active material layer housed in the exterior member, an anode including an anode active material layer housed in the exterior member and spatially separated from the cathode by a separator, and a nonaqueous electrolyte filled in the exterior member. The cathode active material layer contains lithium-copper oxide and copper oxide. A peak intensity ratio d(002)/d(010) between a plane index d(010) derived from the lithium-copper oxide and a plane index d(002) derived from the copper oxide is not lower than 0.1 and not higher than 0.5 at an X-ray diffraction peak.
摘要翻译： 实施方式的非水电解质二次电池包括外部构件，包含容纳在外部构件中的正极活性物质层的阴极，包含负极活性物质层的阳极，阳极活性物质层容纳在外部构件中并通过隔膜与阴极空间分离， 以及填充在外部构件中的非水电解质。 正极活性物质层含有氧化铜 - 氧化铜和氧化铜。 从氧化铜 - 氧化铜衍生的平面折射率d（010）与来自氧化铜的平面折射率d（002）之间的峰强度比d（002）/ d（010）不小于0.1且不高于 0.5的X射线衍射峰。
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公开(公告)号：US20190214170A1
公开(公告)日：2019-07-11
申请号：US16354298
申请日：2019-03-15
发明人： Masaki ENDO , Yasutaka NISHIDA , Shinya SAKURADA , Keiko OKAMOTO , Fumihiko AIGA
IPC分类号： H01F1/047 , H02K1/02 , H01F1/08 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/10 , C22C38/12 , C22C38/24 , C22C38/30 , C22C38/32 , C22C38/38 , H01F7/02 , H02K1/27 , C22C38/00 , C22C33/04 , C22C33/06
摘要： A magnet material of an embodiment includes a composition represented by a formula 1: (Fe1-x-yCoxTy)2(B1-aAa)b, and a metallic structure having a CuAl2 crystal phase as a main phase. T is at least one element selected from V, Cr, and Mn. A is at least one element selected from C, N, Si, S, P, and Al. An atomic ratio x of Co and an atomic ratio y of the element T satisfy 0.01≤y≤0.5 and x+y≤0.5. When the element T includes at least one element selected from V and Cr, a total atomic ratio of V and Cr is 0.03 or more. When the element T includes Mn, an atomic ratio of Mn is 0.3 or less. An atomic ratio a of the element A satisfies 0≤a≤0.4. A total atomic ratio b of B and the element A satisfies 0.8≤b≤1.2.
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公开(公告)号：US20150086854A1
公开(公告)日：2015-03-26
申请号：US14482175
申请日：2014-09-10
发明人： Shinsuke MATSUNO , Takashi KUBOKI , Keiko OKAMOTO , Norikazu OSADA , Sara YOSHIO
CPC分类号： H01M4/661 , H01M4/131 , H01M4/134 , H01M4/386 , H01M4/387 , H01M4/485 , H01M4/667 , H01M10/0525 , H01M10/4235 , Y02T10/7011
摘要： A nonaqueous electrolyte secondary battery of an embodiment includes an electrode group including a cathode collector, a cathode having a cathode active material layer formed on the cathode collector, an anode collector, an anode having an anode active material layer formed on the anode collector, and a separator placed between the cathode and the anode, an exterior member housing the electrode group, and a nonaqueous electrolyte filled in the exterior member. In the nonaqueous electrolyte secondary battery, the anode collector is at least one metal selected from among Fe, Ti, Ni, Cr, and Al, or an alloy containing at least one metal selected from among Fe, Ti, Ni, Cr, and Al. In the nonaqueous electrolyte secondary battery, a coating containing at least one metal selected from Au and Cu is formed on at least one of the surfaces of the anode collector excluding the anode active material layer.
摘要翻译： 本实施方式的非水电解质二次电池包括：阴极集电体，具有形成在阴极集电体上的正极活性物质层的阴极，阳极集电体，具有在阳极集电体上形成的负极活性物质层的阳极的电极组， 设置在阴极和阳极之间的隔板，容纳电极组的外部构件和填充在外部构件中的非水电解质。 在非水电解质二次电池中，阳极集电体是选自Fe，Ti，Ni，Cr和Al中的至少一种金属，或含有选自Fe，Ti，Ni，Cr和Al中的至少一种金属的合金 。 在非水电解质二次电池中，除了负极活性物质层之外，在负极集电体的至少一个表面上形成含有选自Au和Cu中的至少一种金属的涂层。
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公开(公告)号：US20150086852A1
公开(公告)日：2015-03-26
申请号：US14482155
申请日：2014-09-10
发明人： Shinsuke MATSUNO , Takashi KUBOKI , Keiko OKAMOTO , Norikazu OSADA , Sara YOSHIO
CPC分类号： H01M4/134 , H01M4/131 , H01M4/386 , H01M4/387 , H01M4/485 , H01M10/0525 , H01M2004/021
摘要： A nonaqueous electrolyte secondary battery of an embodiment includes an exterior member; a positive electrode housed in the exterior member, a negative electrode containing an active material and housed in the exterior member so as to be spatially separated from the positive electrode via a separator, and a nonaqueous electrolyte filled in the exterior member. The negative electrode includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector. A tensile strength of the negative electrode is 400 N/mm2 or more and 1200 N/mm2 or less. A peel strength between the negative electrode current collector and the negative electrode active material layer is 1.5 N/cm or more and 4 N/cm or less.
摘要翻译： 实施方式的非水电解质二次电池包括外部构件; 容纳在外部构件中的正极，含有活性物质的负极，并容纳在外部构件中，以便通过隔膜与正极空间分离，以及填充在外部构件中的非水电解质。 负极在负极集电体上具有负极集电体和负极活性物质层。 负极的拉伸强度为400N / mm 2以上且1200N / mm 2以下。 负极集电体和负极活性物质层之间的剥离强度为1.5N / cm以上且4N / cm以下。
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