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公开(公告)号：US20050064291A1
公开(公告)日：2005-03-24
申请号：US10933147
申请日：2004-09-02
申请人： Toshitada Sato , Miyuki Nakai , Emiko Igaki , Yasuhiko Bito
发明人： Toshitada Sato , Miyuki Nakai , Emiko Igaki , Yasuhiko Bito
IPC分类号： H01M4/02 , H01M4/134 , H01M4/40 , H01M4/62 , H01M4/64 , H01M4/66 , H01M4/70 , H01M10/052 , H01M10/36 , H01M4/58
CPC分类号： H01M4/134 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/40 , H01M4/405 , H01M4/661 , H01M4/70 , H01M10/052 , H01M2004/021 , H01M2004/027
摘要： A negative electrode for a non-aqueous electrolyte secondary battery including a current collector, and an electrode material layer including an electrode material capable of reversibly absorbing and desorbing Li ions is provided. The electrode material includes at least one element selected from the group consisting of Si, Sn and Al; the surface of the current collector is provided with protrusions; the electrode material layer is disposed on the surfaces of the current collector and the protrusions; and the protrusion has a portion facing the surface of the current collector other than a portion that is brought into contact with the current collector. Thus, a negative electrode for a non-aqueous electrolyte battery having high properties such as an energy density, charging/discharging cycle property, and the like, and a non-aqueous electrolyte secondary battery can be provided.
摘要翻译： 提供了一种包括集电器的非水电解质二次电池用负极和包含能够可逆地吸收和解吸Li离子的电极材料的电极材料层。 电极材料包括选自由Si，Sn和Al组成的组中的至少一种元素; 集电体的表面设置有突起; 电极材料层设置在集电体和突起的表面上; 突出部具有与集电体接触的部分以外的与集电体的表面相对的部分。 因此，可以提供具有诸如能量密度，充电/放电循环特性等的高性能的非水电解质电池用负极和非水电解质二次电池。
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2.发明授权公开(公告)号：US08361658B2
公开(公告)日：2013-01-29
申请号：US12775185
申请日：2010-05-06
CPC分类号： H01M4/134 , H01M4/131 , H01M4/364 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/525 , H01M10/052 , H01M10/0587
摘要： A negative electrode material for non-aqueous electrolyte secondary batteries, characterized in that the negative electrode material comprises a composite particle including solid phases A and B, the solid phase A being dispersed in the solid phase B, and the ratio (IA/IB) of the maximum diffracted X-ray intensity (IA) attributed to the solid phase A to the maximum diffracted X-ray intensity (IB) attributed to the solid phase B satisfies 0.001≦IA/IB≦0.1, in terms of a diffraction line obtained by a wide-angle X-ray diffraction measurement of the composite particle.
摘要翻译： 一种非水电解质二次电池用负极材料，其特征在于，所述负极材料包括固相A和B的复合粒子，所述固相A分散在固相B中，所述比例（IA / IB） 归因于固相B的固相A的最大衍射X射线强度（IA）与归于固相B的最大衍射X射线强度（IB）的折射率相对于衍射线满足0.001≤n1E; IA / IB＆N1; 0.1 通过复合粒子的广角X射线衍射测定得到。
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公开(公告)号：US20060102472A1
公开(公告)日：2006-05-18
申请号：US11174664
申请日：2005-07-06
申请人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto
发明人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto
IPC分类号： C25B11/04
CPC分类号： H01M10/052 , H01M2/0222 , H01M4/134 , H01M4/38 , H01M4/386 , H01M10/058 , H01M2004/021
摘要： A non-aqueous electrolyte secondary battery that has a high electrical capacity and exhibits excellent cycle characteristics even when the battery is rapidly charged and discharged at a large current includes: a positive electrode capable of reversibly absorbing and desorbing Li; a negative electrode; and a non-aqueous electrolyte. The negative electrode includes an alloying material that is capable of electrochemically absorbing and desorbing Li, and includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. The transition metal element is selected from the group consisting of Ti, Zr, Ni, Cu, and Fe. The A phase and/or the B phase includes a microcrystalline or amorphous region. The weight percent of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%.
摘要翻译： 即使电池以大电流快速充放电，具有高电容且显示优异的循环特性的非水电解质二次电池包括：能够可逆地吸收和解吸Li的正极; 负极; 和非水电解质。 负极包括能够电化学吸收和解吸Li的合金材料，并且包括主要由Si和包含至少一种过渡金属元素和Si的金属间化合物的B相组成的A相。 过渡金属元素选自Ti，Zr，Ni，Cu和Fe。 A相和/或B相包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。
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公开(公告)号：US06544687B1
公开(公告)日：2003-04-08
申请号：US09786450
申请日：2001-03-01
IPC分类号： H01M458
CPC分类号： H01M4/485 , H01M4/02 , H01M4/131 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/40 , H01M4/405 , H01M4/505 , H01M4/525 , H01M6/10 , H01M10/0427 , H01M10/052 , H01M2004/021 , H01M2004/027
摘要： A solid solution represented by the formula (1): LixM1yM2z is used as a negative electrode active material for a non-aqueous electrolyte secondary battery comprising a chargeable and dischargeable positive electrode, a non-aqueous electrolyte and a chargeable and dischargeable negative electrode. In the formula (1), M1 represents at least one element selected from the group consisting of Ti, Zr, Mn, Co, Ni, Cu and Fe, and M2 represents at least one element selected from the group consisting of Si and Sn, and 0≦x
摘要翻译： 将由式（1）表示的固溶体：LixM1yM2z用作包含可充电和可放电正极，非水电解质和可充电和可放电负极的非水电解质二次电池的负极活性材料。 在式（1）中，M1表示选自Ti，Zr，Mn，Co，Ni，Cu和Fe中的至少一种元素，M2表示选自Si和Sn中的至少一种元素， 0 <= x <10,0.1 <= y <= 10且z = 1。
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公开(公告)号：US06265111B1
公开(公告)日：2001-07-24
申请号：US09598206
申请日：2000-06-21
申请人： Yasuhiko Bito , Toshitada Sato , Hiromu Matsuda , Yoshinori Toyoguchi , Yasushi Nakagiri , Hideharu Takezawa
发明人： Yasuhiko Bito , Toshitada Sato , Hiromu Matsuda , Yoshinori Toyoguchi , Yasushi Nakagiri , Hideharu Takezawa
IPC分类号： H01M458
摘要： A non-aqueous electrolyte secondary battery having an improved negative electrode is disclosed. The negative electrode comprises alloy particles having a composition represented by the formula: LixM1aM2 (1) wherein M1 represents at least one element selected from the element group m1 consisting of Ti, Zr, V, Sr, Ba, Y, La, Cr, Mo, W, Mn, Co, Ir, Ni, Cu and Fe, M2 represents at least one element selected from the element group m2 consisting of Mg, Ca, Al, In, Si, Sn, Pb, Sb and Bi, M1 and M2 represent different elements each other, and wherein 0≦x≦10, 0.1≦a≦10, with the proviso that 2≦a≦10 when M1 is composed only of Fe, and having at least two phases which are different in composition each other.
摘要翻译： 公开了一种具有改进的负极的非水电解质二次电池。 负极包括具有下式表示的组成的合金粒子：其中，M1表示选自由Ti，Zr，V，Sr，Ba，Y，La，Cr，Mo，W，Mn组成的元素组m 1中的至少一种元素 ，Co，Ir，Ni，Cu和Fe中的至少一种元素，M2表示选自由Mg，Ca，Al，In，Si，Sn，Pb，Sb和Bi组成的元素组m2中的至少一种元素，M1和M2各自表示不同的元素 另外，并且其中0≤x≤10,0.1≤a≤10，条件是当M1仅由Fe构成且具有至少两个不同组成的相时，2 <= a <= 10 彼此。
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公开(公告)号：US6150053A
公开(公告)日：2000-11-21
申请号：US86844
申请日：1998-05-29
IPC分类号： H01M4/13 , H01M4/62 , H01M10/05 , H01M10/0567
CPC分类号： H01M10/0567 , H01M10/05 , H01M4/13 , H01M4/62
摘要： A non-aqueous electrolyte secondary battery is disclosed, which hardly causes deterioration of its properties at high temperatures. The battery has a chargeable and dischargeable cathode, a chargeable and dischargeable anode, and a non-aqueous electrolyte and includes a substance which produces water with an increase in temperature in any one of the cathode, the anode, the non-aqueous electrolyte, other elements, and voids in the battery. Examples of the substance which produces water include hydroxides and compounds having water of crystallization.
摘要翻译： 公开了一种非水电解质二次电池，其在高温下几乎不引起其性能的劣化。 电池具有可充放电的阴极，可充电和可放电的阳极和非水电解质，并且包括在阴极，阳极，非水电解质，其它任何一个中产生水的温度升高的物质 元件和电池中的空隙。 产生水的物质的实例包括氢氧化物和具有结晶水的化合物。
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7.发明授权Negative electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising the same 有权包含该非水电解质二次电池的非水电解质二次电池用负极和非水电解质二次电池公开(公告)号：US07635540B2
公开(公告)日：2009-12-22
申请号：US11119208
申请日：2005-05-02
摘要： A negative electrode containing an alloying material and a graphite material for providing a non-aqueous electrolyte secondary battery with a high capacity and excellent cycle characteristics. The negative electrode includes graphite and an alloying material capable of electrochemically absorbing and desorbing Li. The alloying material includes an A phase composed mainly of Si and a B phase including an intermetallic compound of a transition metal element and Si. The A phase and/or the B phase include a microcrystalline or amorphous region. The weight percentage of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%. The weight percentage of the graphite relative to the total weight of the alloying material and the graphite is not less than 50% and not greater than 95%.
摘要翻译： 一种含有合金材料和石墨材料的负极，用于提供具有高容量和优异的循环特性的非水电解质二次电池。 负极包括石墨和能够电化学吸收和解吸Li的合金材料。 合金材料包括主要由Si组成的A相和包含过渡金属元素和Si的金属间化合物的B相。 A相和/或B相包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。 石墨相对于合金材料和石墨的总重量的重量百分比不小于50％且不大于95％。
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公开(公告)号：US20060286458A1
公开(公告)日：2006-12-21
申请号：US11451304
申请日：2006-06-13
申请人： Toshitada Sato , Yasuhiko Bito , Masaya Ugaji
发明人： Toshitada Sato , Yasuhiko Bito , Masaya Ugaji
IPC分类号： H01M4/58
CPC分类号： H01M4/131 , H01M4/134 , H01M4/139 , H01M4/1391 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/485 , H01M10/052 , H01M10/0567 , H01M10/0568 , H01M10/0587 , H01M10/4235 , H01M2004/027 , H01M2300/002
摘要： A non-aqueous electrolyte secondary battery including: a positive electrode; a negative electrode, and a non-aqueous electrolyte. The negative electrode includes a negative electrode active material that includes at least Si. The non-aqueous electrolyte includes lithium hexafluorophosphate as a main supporting electrolyte and has an acid content of not less than 50 ppm and not more than 200 ppm. The negative electrode has a potential of not less than 0.6 V and not more than 1.5 V relative to a Li electrode at an end-of-discharge voltage of the battery. The battery is prevented from suffering degradation of storage characteristics caused by the dissolution reaction of Si from the negative electrode during charging and the precipitation reaction of the dissolved Si.
摘要翻译： 一种非水电解质二次电池，包括：正极; 负极和非水电解质。 负极包括至少包含Si的负极活性物质。 非水电解质包括六氟磷酸锂作为主要的电解质，其酸含量不小于50ppm且不大于200ppm。 负极在电池的放电终止电压下相对于Li电极具有不小于0.6V且不大于1.5V的电位。 防止电池在充电过程中Si与负极的溶解反应和溶解的Si的沉淀反应引起的储存特性降低。
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公开(公告)号：US20060102474A1
公开(公告)日：2006-05-18
申请号：US11258218
申请日：2005-10-26
IPC分类号： C25B11/12
摘要： A negative electrode containing an alloying material and a graphite material for providing a non-aqueous electrolyte secondary battery with a high capacity and excellent cycle characteristics. The negative electrode includes graphite and at least one alloying material capable of electrochemically absorbing and desorbing Li. The alloying material includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. At least one of the A phase and the B phase includes a microcrystalline or amorphous region. The weight percentage of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%. The weight percentage of the graphite relative to the total weight of the alloying material and the graphite is not less than 50% and not greater than 95%.
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公开(公告)号：US06593030B2
公开(公告)日：2003-07-15
申请号：US09798846
申请日：2001-03-01
申请人： Yasuhiko Bito , Toshitada Sato , Yoshiaki Nitta
发明人： Yasuhiko Bito , Toshitada Sato , Yoshiaki Nitta
IPC分类号： H01M438
CPC分类号： H01M4/136 , H01M4/38 , H01M4/386 , H01M4/387 , H01M10/052 , H01M2004/027
摘要： The present invention provides a rechargeable negative electrode for a non-aqueous electrolyte secondary battery comprising an alloy material which absorbs lithium during charge and desorbs lithium during discharge, and having a long cycle life. The negative electrode includes an alloy having a hexagonal closest packing structure and a Ni2In type structure composed of at least two elements.
摘要翻译： 本发明提供一种用于非水电解质二次电池的可再充电负极，其包括在充电期间吸收锂并在放电期间解吸锂并且具有长循环寿命的合金材料。 负极包括具有六边形最接近填充结构的合金和由至少两个元素组成的Ni2In型结构。
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