公开(公告)号：US20120211695A1

公开(公告)日：2012-08-23

申请号：US13503077

申请日：2010-10-04

申请人： Hideaki Kanno ,  Shingo Kizaki

发明人： Hideaki Kanno ,  Shingo Kizaki

IPC分类号： H01M4/48

CPC分类号： H01M4/485 ,  C01P2002/82 ,  H01M4/134 ,  H01M4/386 ,  H01M10/0525 ,  H01M2004/021

摘要： Provided is a negative electrode active material for a lithium-ion secondary battery, comprising SiOx that has an intensity ratio A1/A2 of 0.1 or less in spectra measured by a Fourier transform infrared spectrometer after subjecting the SiOx to evacuation treatment at 200° C., given that A1 designates an intensity of a silanol group-derived peak which appears around 3400 to 3800 cm−1, and A2 designates an intensity of a siloxane bond-derived peak which appears around 1000 to 1200 cm−1. It is preferred that x in the SiOx satisfies x

摘要翻译： 本发明提供一种锂离子二次电池用负极活性物质，其特征在于，在SiO 2在200℃下进行排气处理后，由傅里叶变换红外光谱仪测定的光谱的强度比A1 / A2为0.1以下的SiOx。 给定A1表示出现在3400至3800cm -1附近的硅烷醇基衍生峰的强度，A2表示出现在约1000至1200cm -1处的硅氧烷键衍生峰的强度。 优选SiO x中的x满足x <1; 不存在通过激光拉曼光谱仪测量的SiO x的光谱中通常可以显示约2100cm -1的Si-H键衍生的峰A3的迹象; 并且Y / X为0.98以下，X表示SiO x的整体中的O与Si的摩尔比，Y表示SiO x表面附近的O与Si的摩尔比。 通过使用该活性物质，可以得到初期效率高，充放电容量高的锂离子二次电池。

公开(公告)号：US20130292605A1

公开(公告)日：2013-11-07

申请号：US13977832

申请日：2012-01-04

申请人： Shingo Kizaki ,  Hideaki Kanno

发明人： Shingo Kizaki ,  Hideaki Kanno

IPC分类号： H01M4/58

CPC分类号： H01M4/5825 ,  H01M4/485 ,  H01M10/0525

摘要： Provided is a negative electrode material powder for a lithium ion secondary battery, including SiOx (0.4≦x≦1.2), in which 1H is inevitably included therein and a peak area of a chemical shift of 0.2-0.4 ppm is between 5% and 40% of an entire peak area in a spectrum 1H measured by means of nuclear magnetic resonance spectroscopy. A peak area of a chemical shift of 1.1-2.0 ppm is preferably between 5% and 95% of the entire peak area in a spectrum for 1H measured by means of nuclear magnetic resonance spectroscopyAs a result, there can be provided a negative electrode material powder for a lithium ion secondary battery used in a lithium ion secondary battery having a large discharge capacity, satisfactory initial efficiency, and cycle characteristics.

摘要翻译： 本发明提供一种锂离子二次电池用负极材料粉末，其包含SiO x（0.4 @ x @ 1.2），其中不可避免地包含1H，化学位移的峰面积为0.2-0.4ppm为5％〜40％ 通过核磁共振光谱测量的光谱1H中的整个峰面积的％。 1.1-2.0ppm的化学位移的峰面积优选在通过核磁共振波谱测量的1H的光谱中的整个峰面积的5％至95％之间。结果，可以提供负极材料 用于具有大放电容量，令人满意的初始效率和循环特性的锂离子二次电池中使用的锂离子二次电池用粉末。

公开(公告)号：US20120156120A1

公开(公告)日：2012-06-21

申请号：US13390138

申请日：2010-06-17

申请人： Shingo Kizaki ,  Hideaki Kanno

发明人： Shingo Kizaki ,  Hideaki Kanno

IPC分类号： C01B15/14

CPC分类号： H01M4/485 ,  C01B33/113 ,  H01M4/131 ,  H01M4/134 ,  H01M10/0525

摘要： A silicon oxide in the form of powder is represented by SiOx, wherein, when the silicon oxide is measured by use of an X-ray diffractometer comprising a sealed tube light source as a light source and a high speed detector as a detector, a halo is detected at 20°≦2θ≦40°, and a peak is detected at the highest quartz line position therein. The height P1 of the halo and the height P2 of the peak at the highest quartz line position satisfy P2/P1≦0.05. This silicon oxide is used as the negative electrode active material, whereby a lithium-ion secondary battery having stable initial efficiency and cycle characteristic can be obtained. The x of the SiOx is preferably 0.7

摘要翻译： 粉末形式的氧化硅由SiOx表示，其中，当使用包括密封管光源作为光源和高速检测器作为检测器的X射线衍射仪测量氧化硅时，将卤素 在20°＆nlE; 2＆amp; Thetas;＆nlE; 40°处检测到，并且在其中的最高石英线位置处检测到峰。 卤素的高度P1和最高石英线位置处的峰的高度P2满足P2 / P1＆nlE; 0.05。 使用该氧化硅作为负极活性物质，可以得到稳定的初期效率和循环特性的锂离子二次电池。 SiO x的x优选为0.7

公开(公告)号：US08420039B2

公开(公告)日：2013-04-16

申请号：US13390138

申请日：2010-06-17

申请人： Shingo Kizaki ,  Hideaki Kanno

发明人： Shingo Kizaki ,  Hideaki Kanno

IPC分类号： C01B15/14

CPC分类号： H01M4/485 ,  C01B33/113 ,  H01M4/131 ,  H01M4/134 ,  H01M10/0525

摘要： A silicon oxide in the form of powder is represented by SiOx, wherein, when the silicon oxide is measured by use of an X-ray diffractometer comprising a sealed tube light source as a light source and a high speed detector as a detector, a halo is detected at 20°≦2θ≦40°, and a peak is detected at the highest quartz line position therein. The height P1 of the halo and the height P2 of the peak at the highest quartz line position satisfy P2/P1≦0.05. This silicon oxide is used as the negative electrode active material, whereby a lithium-ion secondary battery having stable initial efficiency and cycle characteristic can be obtained. The x of the SiOx is preferably 0.7

摘要翻译： 粉末形式的氧化硅由SiOx表示，其中，当使用包括密封管光源作为光源和高速检测器作为检测器的X射线衍射仪测量氧化硅时，将卤素 在20°＆nlE; 2＆amp; Thetas;＆nlE; 40°处检测到，并且在其中的最高石英线位置处检测到峰。 卤素的高度P1和最高石英线位置处的峰的高度P2满足P2 / P1＆nlE; 0.05。 使用该氧化硅作为负极活性物质，可以得到稳定的初期效率和循环特性的锂离子二次电池。 SiO x的x优选为0.7

公开(公告)号：US20120181477A1

公开(公告)日：2012-07-19

申请号：US13498731

申请日：2010-10-04

申请人： Hideaki Kanno ,  Shingo Kizaki

发明人： Hideaki Kanno ,  Shingo Kizaki

IPC分类号： H01M4/62

CPC分类号： H01M4/62 ,  C01B33/113 ,  H01M4/131 ,  H01M4/485 ,  H01M10/0525

摘要： Provided is SiOx, wherein the amount of generated H2O gas detected in a temperature range of 200 to 800° C. in a temperature-programmed desorption gas analysis is 680 ppm or less. The amount of the generated H2O is desirably 420 ppm or less. In addition, in a graph obtained by X-ray diffraction, the peak intensity P1 at a Si peak point exhibited near 2θ=28° and the base intensity P2 at a peak point interpolated from the gradient of average intensities in the fore and aft positions near the peak point desirably satisfy (P1−P2)/P2≦0.2. This SiOx is used as a vapor deposition material, whereby the generation of splashing is suppressed in forming a film, and a vapor-deposited film having excellent gas barrier properties can be formed. In addition, this SiOx is used as a negative electrode active material, whereby high initial efficiency of a lithium-ion secondary battery can be maintained.

摘要翻译： 提供SiOx，其中在温度程序化解吸气体分析中在200〜800℃的温度范围内检测到的产生的H 2 O气体的量为680ppm以下。 生成的H 2 O的量优选为420ppm以下。 此外，在通过X射线衍射获得的曲线图中，Si峰值处的峰强度P1表现为近似2θ= 28°，在从前后平均强度的梯度内插的峰值处的基极强度P2 峰值附近的位置优选满足（P1-P2）/P2≦̸0.2。 该SiO x用作气相沉积材料，从而在形成膜时抑制飞溅的产生，并且可以形成具有优异阻气性的气相沉积膜。 此外，该SiO x用作负极活性物质，由此可以保持锂离子二次电池的初始效率高。

公开(公告)号：US20130164621A1

公开(公告)日：2013-06-27

申请号：US13810554

申请日：2011-07-08

申请人： Kouji Yasuda ,  Shingo Kizaki ,  Shinji Shimosaki

发明人： Kouji Yasuda ,  Shingo Kizaki ,  Shinji Shimosaki

IPC分类号： H01M4/134 ,  H01G9/042

CPC分类号： H01M4/134 ,  H01G9/0425 ,  H01G11/06 ,  H01G11/30 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/625 ,  Y02E60/122 ,  Y02E60/13

摘要： A negative electrode material powder for a lithium ion secondary battery having a conductive carbon film on the surface of a lower-silicon-oxide powder; wherein a specific surface area in BET measurement ranges from more than 0.3 m2/g to 40 m2/g, and no SiC peak appears at 2θ=35.6°±0.01° or the half-value width of the appeared peak is 2° or more in XRD measurement using CuKα rays. The proportion of said carbon film preferably ranges from 0.2% to 2.5% by mass. Said powder preferably has 100000 Ωcm or less of specific resistance. In XRD, P2/P1

摘要翻译： 一种用于锂离子二次电池的负极材料粉末，其在较低的氧化硅粉末的表面上具有导电性碳膜; BET测定的比表面积为0.3m 2 / g〜40m 2 / g以上，在2θ= 35.6°±0.01°时不出现SiC峰，或出现峰的半值宽度为2°以上 在使用CuKalpha射线的XRD测量中。 所述碳膜的比例优选为0.2〜2.5质量％。 所述粉末优选具有100000Ωm以下的电阻率。 在XRD中，优选在SiOx的卤素的最高值P1和卤素以上的Si（111）最强的线性峰值P2之间满足P2 / P1 <0.01。 因此，所述粉末可以用于具有大放电容量的二次电池和实际使用的优选的循环特性。

公开(公告)号：US20120085974A1

公开(公告)日：2012-04-12

申请号：US13377249

申请日：2010-04-21

申请人： Shingo Kizaki

发明人： Shingo Kizaki

IPC分类号： H01B1/08 ,  C01B33/113

CPC分类号： H01M4/485 ,  C01B33/113 ,  H01M4/134 ,  H01M10/0525 ,  Y02E60/122

摘要： A silicon oxide for use as a negative electrode active material of a lithium-ion secondary battery is characterized by: a g-value measured by an ESR spectrometer is in the range of not less than 2.0020 to not more than 2.0050; and given that A, B, and C are the area intensities of peaks near 420 cm−1, 490 cm−1 and 520 cm−1 respectively in a Raman spectrum measured by a Raman spectroscopy, A/B is not less than 0.5 and C/B is not more than 2. The lithium-ion secondary battery has excellent cycle characteristic and initial efficiency in addition to high capacity. The silicon oxide preferably has a spin density in the range of not less than 1×1017 spins/g to not more than 5×1019 spins/g. A negative electrode material for the lithium-ion secondary battery contains not less than 20% by mass of this silicon oxide as a negative electrode active material.

摘要翻译： 用作锂离子二次电池的负极活性物质的氧化硅的特征在于：由ESR光谱仪测量的g值在不小于2.0020至不大于2.0050的范围内; 并且A，B和C分别是通过拉曼光谱测量的拉曼光谱中分别在420cm -1，490cm -1和520cm -1附近的峰的面积强度，A / B不小于0.5， C / B不大于2.锂离子二次电池具有优异的循环特性和初始效率以及高容量。 氧化硅优选具有在不小于1×1017自旋/ g至不大于5×1019自旋/ g的范围内的自旋密度。 作为负极活性物质，作为锂离子二次电池用负极材料，含有20质量％以上的氧化硅。

公开(公告)号：US20130089785A1

公开(公告)日：2013-04-11

申请号：US13703681

申请日：2011-06-03

申请人： Kouji Yasuda ,  Shingo Kizaki ,  Shinji Shimosaki

发明人： Kouji Yasuda ,  Shingo Kizaki ,  Shinji Shimosaki

IPC分类号： H01M4/134 ,  H01M4/38

CPC分类号： H01M4/134 ,  H01G11/06 ,  H01G11/42 ,  H01G11/50 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/38 ,  H01M10/052 ,  Y02E60/13

摘要： Provided is a negative-electrode material powder used for a lithium-ion secondary battery having a large discharge capacity and sufficient cycle characteristics as being durable in use. The powder for the battery includes a conductive carbon film on a lower silicon oxide powder, surface and satisfies requirements that: Si in SiC is 15.1 wt % or less in content, or A3 (=A2−A1) is 15.1 or less, given A1 (wt %): Si content measured by acid solution process, and A2 (wt %): Si content measured by alkali solution process; and a specific resistance is 30,000 Ωcm or less. In the lower silicon oxide powder, a maximum value P1 of SiOx-derived halos appearing at 2θ=10° to 30° and a value P2 of the strongest line peak of Si (111) appearing at 2θ=28.4±0.3°, in XRD using CuKα beam, preferably satisfy P2/P1

摘要翻译： 提供一种用于锂离子二次电池的负极材料粉末，其具有大的放电容量和足够的循环特性，在使用中是耐用的。 电池用粉末包含在下部氧化硅粉末上的导电性碳膜表面，满足以下要求：SiC中的Si为15.1重量％以下，A3（= A2-A1）为15.1以下，A1 （wt％）：通过酸溶液法测定的Si含量，A2（wt％）：通过碱溶液法测定的Si含量; 电阻率为30,000＆OHgr; cm以下。 在较低的氧化硅粉末中，出现在2θ= 10°至30°的SiOx衍生的光晕的最大值P1和出现在2θ时的最强线峰值的值P2 = 28.4±0.3°， 在使用CuKα光束的XRD中，优选满足P2 / P1 <0.01。 焦油成分的含量优选为1ppm以上且4,000ppm以下。

公开(公告)号：US20070259113A1

公开(公告)日：2007-11-08

申请号：US11661392

申请日：2005-08-09

申请人： Shingo Kizaki ,  Kazuo Nishioka

发明人： Shingo Kizaki ,  Kazuo Nishioka

IPC分类号： C09D1/00 ,  C01B33/113 ,  C23C16/42

CPC分类号： C01B33/113 ,  C23C14/10

摘要： A silicon monoxide or a silicon monoxide vapor deposition material is characterized in that a hydrogen gas content is not lower than 120 ppm, and a silicon monoxide vapor deposition material having its hydrogen gas content not lower than 150 ppm. A film deposition rate is increased when the silicon monoxide is deposited on a substrate so that a silicon monoxide deposited film can efficiently be formed. A sublimation rate can be increased in producing the silicon monoxide by setting the hydrogen gas content of the raw material silicon powders to 30 ppm or more and the silicon monoxide can efficiently be produced at low cost. The silicon monoxide producing method can be used for producing vapor deposition materials for packaging materials having transparency and barrier properties for foods, medical products, medicinal products, and the like or vapor deposition materials for lithium battery electrode materials having silicon monoxide deposited films.

摘要翻译： 一氧化硅或一氧化硅气相沉积材料的特征在于氢气含量不低于120ppm，并且其氢气含量不低于150ppm的一氧化硅气相沉积材料。 当将一氧化硅沉积在基板上时，成膜速率增加，从而可以有效地形成一氧化硅沉积膜。 通过将原料硅粉末的氢气含量设定为30ppm以上，能够以低成本有效地制造一氧化硅，能够提高生成一氧化硅的升华速度。 一氧化硅的制造方法可以用于生产具有食品，医疗产品，药品等的透明性和阻隔性的包装材料的气相沉积材料或具有一氧化硅沉积膜的锂电池电极材料的气相沉积材料。

公开(公告)号：US20130224600A1

公开(公告)日：2013-08-29

申请号：US13877691

申请日：2011-10-07

申请人： Kouji Yasuda ,  Takehisa Fujita ,  Shingo Kizaki ,  Shinji Shimosaki

发明人： Kouji Yasuda ,  Takehisa Fujita ,  Shingo Kizaki ,  Shinji Shimosaki

IPC分类号： H01M4/38 ,  H01G11/50

CPC分类号： H01M4/386 ,  H01G11/24 ,  H01G11/50 ,  H01M4/366 ,  H01M4/483 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  Y02E60/13

摘要： In a lithium ion secondary battery using a negative electrode material powder including a lower silicon oxide powder as a negative electrode material, a charge electric potential at 0.45-1.0 V relative to a Li reference upon initial charging results in a lithium ion secondary battery having a large discharge capacity with excellent cycle characteristics, which can be durable in practical use. On this occasion, the charge electric potential being 0.45-1.0 V relative to the Li reference upon initial charging means that an electric potential plateau caused by the generation of Li-silicate is observed, and the Li-silicate is uniformly generated in the negative electrode material, and this results in excellent cycle characteristics. The negative electrode material powder can have an electrically conductive carbon film on the surface with a ratio of the carbon film to the surface of the powder to be 0.2-10 mass %.

摘要翻译： 在使用包含下部氧化硅粉末作为负极材料的负极材料粉末的锂离子二次电池中，初始充电时相对于Li基准的0.45-1.0V的充电电位导致具有 放电容量大，循环特性优良，可在实际使用中耐用。 在这种情况下，初始充电时相对于Li参考电压为0.45-1.0V的电荷电位意味着观察到由硅酸锂的产生引起的电位平台，并且在负极中均匀地产生Li-硅酸盐 材料，这导致优异的循环特性。 负极材料粉末可以在表面上具有碳膜与粉末表面的比例为0.2-10质量％的导电性碳膜。