公开(公告)号：US20090239151A1

公开(公告)日：2009-09-24

申请号：US12404710

申请日：2009-03-16

申请人： Tetsuo NAKANISHI ,  Koichiro Watanabe ,  Hirofumi Fukuoka

发明人： Tetsuo NAKANISHI ,  Koichiro Watanabe ,  Hirofumi Fukuoka

IPC分类号： H01M4/58 ,  B05D5/12

CPC分类号： H01M10/0525 ,  H01M4/0428 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/366 ,  H01M4/386 ,  H01M4/483 ,  H01M4/622 ,  H01M4/625

摘要： A negative electrode material comprising an active material and 1-20 wt % of a polyimide resin binder is suitable for use in non-aqueous electrolyte secondary batteries. The active material comprises silicon oxide particles and 1-50 wt % of silicon particles. The negative electrode exhibits improved cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide. The non-aqueous electrolyte secondary battery has a high initial efficiency and maintains improved performance and efficiency over repeated charge/discharge cycles by virtue of mitigated volumetric changes during charge/discharge cycles.

摘要翻译： 包含活性物质的负极材料和1-20重量％的聚酰亚胺树脂粘合剂适用于非水电解质二次电池。 活性材料包括氧化硅颗粒和1-50重量％的硅颗粒。 负极具有改善的循环性能，同时保持高的电池容量和低的氧化硅体积膨胀。 非水电解质二次电池具有高的初始效率，并且通过在充电/放电循环期间减轻的体积变化，在重复的充电/放电循环中保持改进的性能和效率。

公开(公告)号：US20110097627A1

公开(公告)日：2011-04-28

申请号：US12896249

申请日：2010-10-01

申请人： Koichiro WATANABE ,  Tetsuo NAKANISHI ,  Kazuyuki TANIGUCHI

发明人： Koichiro WATANABE ,  Tetsuo NAKANISHI ,  Kazuyuki TANIGUCHI

IPC分类号： H01M10/052 ,  H01M4/48 ,  H01M4/583

CPC分类号： H01M4/38 ,  B82Y30/00 ,  H01M4/62

摘要： The present invention is a negative electrode material for non-aqueous electrolyte secondary batteries, comprising at least: particles wherein silicon nanoparticles are dispersed in silicon oxide (silicon oxide particles); and a metal oxide coating formed on a surface of the silicon oxide particles. As a result, there is provided a negative electrode material for non-aqueous electrolyte secondary batteries that enables the production of a negative electrode suitable for lithium-ion secondary batteries and the like that provides improved safety and cycle performance over conventional negative electrode materials.

摘要翻译： 本发明是一种非水电解质二次电池用负极材料，其至少包括：将硅纳米粒子分散在氧化硅（氧化硅粒子）中的粒子; 以及在氧化硅颗粒的表面上形成的金属氧化物涂层。 结果，提供了一种用于非水电解质二次电池的负极材料，其能够生产适用于比常规负极材料更好的安全性和循环性能的锂离子二次电池等的负极。

公开(公告)号：US20100055563A1

公开(公告)日：2010-03-04

申请号：US12546788

申请日：2009-08-25

申请人： Tetsuo NAKANISHI ,  Koichiro Watanabe

发明人： Tetsuo NAKANISHI ,  Koichiro Watanabe

IPC分类号： H01M4/02 ,  H01B1/22 ,  H01M4/48

CPC分类号： H01M10/0525 ,  C01P2002/70 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/134 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M4/485 ,  H01M4/622 ,  H01M2004/021 ,  Y02E60/122

摘要： An Si—O—Al composite comprising silicon, silicon oxide, and aluminum oxide exhibits a powder XRD spectrum in which the intensity of a signal of silicon at 28.3° is 1-9 times the intensity of a signal near 21°. A negative electrode material comprising the Si—O—Al composite is used to construct a non-aqueous electrolyte secondary battery which is improved in 1st cycle charge/discharge efficiency and cycle performance while maintaining the high battery capacity and low volume expansion upon charging of silicon oxide.

摘要翻译： 包含硅，氧化硅和氧化铝的Si-O-Al复合材料表现出粉末XRD光谱，其中28.3°的硅信号的强度是接近21°的信号强度的1-9倍。 使用包含Si-O-Al复合材料的负极材料来构造非水电解质二次电池，其在保持高电池容量和充电时的体积膨胀小的同时提高了第一循环充放电效率和循环性能 氧化物。

公开(公告)号：US20190013542A1

公开(公告)日：2019-01-10

申请号：US16014273

申请日：2018-06-21

申请人： Mitsutoshi OTAKI ,  Norihiro OSE ,  Shigenori HAMA ,  Kazuyuki TANIGUCHI ,  Yoshiyasu YAMADA ,  Tetsuo NAKANISHI

发明人： Mitsutoshi OTAKI ,  Norihiro OSE ,  Shigenori HAMA ,  Kazuyuki TANIGUCHI ,  Yoshiyasu YAMADA ,  Tetsuo NAKANISHI

IPC分类号： H01M10/0525 ,  H01M4/36 ,  H01M4/136 ,  H01M4/38 ,  H01M4/62

摘要： Disclosed is an all-solid-state lithium ion secondary battery excellent in cycle characteristics. The battery may be an all-solid-state lithium ion secondary battery, wherein an anode comprises anode active material particles, an electroconductive material and a solid electrolyte; wherein the anode active material particles comprise at least one active material selected from the group consisting of elemental silicon and SiO; and wherein, for the anode active material particles, a value A obtained by the following formula (1) is 6.1 or more and 54.8 or less: A=SBET×dmed×D  Formula (1) where SBET is a BET specific surface area (m2/g) of the anode active material particles; dmed is a median diameter D50 (μm) of the anode active material particles; and D is a density (g/cm3) of the anode active material particles.

公开(公告)号：US20190013541A1

公开(公告)日：2019-01-10

申请号：US16007621

申请日：2018-06-13

申请人： Mitsutoshi OTAKI ,  Norihiro OSE ,  Shigenori HAMA ,  Kazuyuki TANIGUCHI ,  Yoshiyasu YAMADA ,  Tetsuo NAKANISHI

发明人： Mitsutoshi OTAKI ,  Norihiro OSE ,  Shigenori HAMA ,  Kazuyuki TANIGUCHI ,  Yoshiyasu YAMADA ,  Tetsuo NAKANISHI

IPC分类号： H01M10/0525 ,  H01M10/0562 ,  H01M4/38 ,  H01M4/40 ,  H01M4/66 ,  H01M4/62

摘要： Disclosed is an all-solid-state lithium ion secondary battery excellent in cycle characteristics. The battery may be an all-solid-state lithium ion secondary battery, wherein an anode comprises anode active material particles, an electroconductive material and a solid electrolyte; wherein the anode active material particles comprise at least one active material selected from the group consisting of elemental silicon and SiO; and wherein a BET specific surface area of the anode active material particles is 1.9 m2/g or more and 14.2 m2/g or less.

公开(公告)号：US20110287317A1

公开(公告)日：2011-11-24

申请号：US13113472

申请日：2011-05-23

申请人： Tetsuo NAKANISHI

发明人： Tetsuo NAKANISHI

IPC分类号： H01M4/134 ,  C01B33/02 ,  H01M4/88 ,  H01M10/052

CPC分类号： H01M4/1395 ,  B02C23/08 ,  H01M4/0421 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M10/052 ,  H01M2004/027 ,  Y02E60/122 ,  Y02P70/54

摘要： The present invention is a method for manufacturing a negative electrode active material for a non-aqueous electrolyte secondary battery comprising at least depositing silicon on a substrate by vapor deposition by using a metallic silicon as a raw material, the substrate having a temperature controlled to 300° C. to 800° C. under reduced pressure, and pulverizing and classifying the deposited silicon. As a result, there is provided a method for manufacturing a negative electrode active material composed of silicon particles that is an active material useful as a negative electrode of a non-aqueous electrolyte secondary battery in which high initial efficiency and high battery capacity of silicon are kept, cycle performance is superior, and an amount of a change in volume decreases at the time of charge and discharge.

摘要翻译： 本发明是一种非水电解质二次电池用负极活性物质的制造方法，其特征在于，至少通过以金属硅为原料，通过气相沉积在基板上沉积硅，所述基板的温度控制为300 ℃至800℃，并对沉积的硅进行粉碎和分级。 结果，提供了一种制造负极活性物质的方法，所述负极活性物质是作为用作非水电解质二次电池的负极的活性物质，其中高的初始效率和高的电池容量为 保持循环性能优异，并且在充放电时体积变化量减少。

公开(公告)号：US20120258371A1

公开(公告)日：2012-10-11

申请号：US13430007

申请日：2012-03-26

申请人： Tetsuo NAKANISHI ,  Tatsuhiko IKEDA

发明人： Tetsuo NAKANISHI ,  Tatsuhiko IKEDA

IPC分类号： H01M4/583 ,  H01M4/04 ,  H01M4/48

CPC分类号： H01M4/134 ,  C23C16/26 ,  C23C16/4417 ,  H01M4/366 ,  H01M4/386 ,  H01M4/622 ,  H01M10/0525

摘要： The present invention provides a method for manufacturing a carbon-coated negative electrode active material for use in a non-aqueous electrolyte secondary battery, wherein a negative electrode active raw material including at least one of silicon oxide powder and silicon powder is coated with carbon by a catalytic CVD method. The present invention also provides a negative electrode material for use in a non-aqueous electrolyte secondary battery and a non-aqueous electrolyte secondary battery using the negative electrode active material. As a result, there is provided a method for manufacturing a negative electrode active material for use in a non-aqueous electrolyte secondary battery in which high battery capacity given by the silicon-based active material is maintained and a volume expansion and a break in the active material are suppressed.

摘要翻译： 本发明提供一种制造用于非水电解质二次电池的碳涂覆的负极活性物质的方法，其中包括氧化硅粉末和硅粉末中的至少一种的负极活性物质用碳涂覆 催化CVD法。 本发明还提供一种用于非水电解质二次电池的负极材料和使用该负极活性物质的非水电解质二次电池。 结果提供了一种制造用于非水电解质二次电池的负极活性物质的方法，其中保持了由硅基活性材料给出的高电池容量和容量膨胀和断裂 活性物质被抑制。

公开(公告)号：US20090209490A1

公开(公告)日：2009-08-20

申请号：US12428807

申请日：2009-04-23

申请人： Tetsuo NAKANISHI ,  Akira YAMAMOTO

发明人： Tetsuo NAKANISHI ,  Akira YAMAMOTO

IPC分类号： A01N55/10 ,  A01P1/00

CPC分类号： A01N59/08 ,  A01N59/00 ,  A01N25/30 ,  A01N2300/00

摘要： Disinfectant composition comprising slightly acidic electrolyzed water and 0.001-1.0 wt % of a polyether-modified silicone of formula (1) or formula (2) wherein R1 is alkyl, aryl, aralkyl, or fluorinated alkyl, R2 is a polyoxyalkylene group of formula (3), —CxH2x—O—(C2H4O)y(C3H6O)z—R3  (3) wherein R3 is hydrogen, a hydrocarbon group, or a group of the formula, R4—(CO)— wherein R4 is a hydrocarbon group, p is 0-3, q is 1-2, r is 0-6, x is 2-5, y is 5-15, and z is 0-10. The composition has an excellent spreadability and a prolonged shelf life.

摘要翻译： 包含微酸性电解水和0.001-1.0重量％式（1）或式（2）的聚醚改性硅氧烷的消毒剂组合物，其中R1是烷基，芳基，芳烷基或氟化烷基，R2是式（1）的聚氧化烯基 3），<？in-line-formula description =“In-line Formulas”end =“lead”？> CxH2x-O-（C2H4O）y（C3H6O）z-R3（3） 其中R3是氢，烃基或下式的基团R4-（CO） - ，其中R4是烃基，p是0-3， q为1-2，r为0-6，x为2-5，y为5-15，z为0-10。 该组合物具有优异的铺展性和延长的保质期。