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公开(公告)号：US06893621B2
公开(公告)日：2005-05-17
申请号：US10234245
申请日：2002-09-05
申请人： Hirofumi Fukuoka , Satoru Miyawaki , Mikio Aramata , Susumu Ueno , Kazuma Momii , Takeshi Fukuda
发明人： Hirofumi Fukuoka , Satoru Miyawaki , Mikio Aramata , Susumu Ueno , Kazuma Momii , Takeshi Fukuda
IPC分类号： C01B33/32 , C01B33/113 , H01M4/485 , H01M4/58 , H01M10/05
CPC分类号： C01B33/113 , H01M4/131 , H01M4/485 , H01M10/052 , H01M2004/021 , H01M2004/027
摘要： A lithium ion secondary cell having a high capacity, improved first charge/discharge efficiency and improved cycle performance is obtainable using as the negative electrode material a lithium-containing silicon oxide powder having the formula: SiLixOy wherein x and y are 0
摘要翻译： 可以使用具有以下结构的含锂氧化硅粉末作为负极材料来获得具有高容量，改善的第一充电/放电效率和改进的循环性能的锂离子二次电池：SiLi < 其中x和y是0
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2.发明授权Non-aqueous electrolyte secondary battery negative electrode material, making method, and lithium ion secondary battery 有权非水电解质二次电池负极材料，制造方法和锂离子二次电池公开(公告)号：US07358011B2
公开(公告)日：2008-04-15
申请号：US10721280
申请日：2003-11-26
申请人： Hirofumi Fukuoka , Mikio Aramata , Satoru Miyawaki , Susumu Ueno , Kazuma Momii
发明人： Hirofumi Fukuoka , Mikio Aramata , Satoru Miyawaki , Susumu Ueno , Kazuma Momii
IPC分类号： H01M4/62
CPC分类号： H01M4/13 , H01M4/0428 , H01M4/133 , H01M4/366 , H01M4/386 , H01M4/485 , H01M4/625 , H01M10/0525 , H01M2004/027
摘要： A non-aqueous electrolyte secondary battery negative electrode material is provided wherein a negative electrode active material containing a lithium ion-occluding and releasing material which has been treated with an organosilicon base surface treating agent is surface coated with a conductive coating. Using the negative electrode material, a lithium ion secondary battery having a high capacity and improved cycle performance is obtainable.
摘要翻译： 提供了一种非水电解质二次电池负极材料，其中含有用有机硅基表面处理剂处理的锂离子封闭和释放材料的负极活性材料被表面涂覆有导电涂层。 使用负极材料，可以获得具有高容量和改进的循环性能的锂离子二次电池。
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公开(公告)号：US07037581B2
公开(公告)日：2006-05-02
申请号：US10246426
申请日：2002-09-19
申请人： Mikio Aramata , Satoru Miyawaki , Susumu Ueno , Hirofumi Fukuoka , Kazuma Momii
发明人： Mikio Aramata , Satoru Miyawaki , Susumu Ueno , Hirofumi Fukuoka , Kazuma Momii
IPC分类号： B32B15/02
CPC分类号： H01M4/485 , B82Y30/00 , C01P2002/60 , C01P2002/72 , C01P2002/82 , C01P2002/86 , C01P2004/04 , C01P2004/50 , C01P2004/51 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2004/80 , C01P2004/84 , C01P2006/12 , C01P2006/40 , C01P2006/80 , C09C1/30 , H01M4/366 , H01M4/386 , H01M4/625 , H01M10/0525 , H01M2004/021 , H01M2004/027 , Y10T428/12493 , Y10T428/12528 , Y10T428/12611 , Y10T428/2982 , Y10T428/2991
摘要： A conductive silicon composite in which particles of the structure that silicon crystallites are dispersed in silicon dioxide are coated on their surfaces with carbon affords satisfactory cycle performance when used as the negative electrode material in a non-aqueous electrolyte secondary cell.
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4.发明申请Silicon composite, making method, and non-aqueous electrolyte secondary cell negative electrode material 审中-公开硅复合材料，制造方法和非水电解质二次电池负极材料公开(公告)号：US20060003227A1
公开(公告)日：2006-01-05
申请号：US11166173
申请日：2005-06-27
CPC分类号： H01M4/366 , H01M4/0421 , H01M4/13 , H01M4/134 , H01M4/139 , H01M4/38 , H01M4/386 , H01M4/58 , H01M10/052 , H01M10/44 , H01M2004/027 , Y02E60/122 , Y02P70/54 , Y10T428/2993
摘要： A silicon composite comprises silicon particles whose surface is at least partially coated with a silicon carbide layer. It is prepared by subjecting a silicon powder to thermal CVD with an organic hydrocarbon gas and/or vapor at 900-1,400° C., and heating the powder for removing an excess free carbon layer from the surface through oxidative decomposition.
摘要翻译： 硅复合物包括其表面至少部分地涂覆有碳化硅层的硅颗粒。 通过在900-1,400℃下用有机烃气体和/或蒸气对硅粉进行热CVD，并通过氧化分解从表面加热除去过量游离碳层的粉末。
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5.发明授权公开(公告)号：US07790316B2
公开(公告)日：2010-09-07
申请号：US11085518
申请日：2005-03-22
CPC分类号： H01B1/122 , H01M4/0471 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/136 , H01M4/139 , H01M4/364 , H01M4/386 , H01M4/485 , H01M4/58 , H01M4/587 , H01M4/60 , H01M10/0525 , H01M2004/021 , H01M2004/027
摘要： Silicon composite particles are prepared by sintering primary fine particles of silicon, silicon alloy or silicon oxide together with an organosilicon compound. Sintering of the organosilicon compound results in a silicon-base inorganic compound which serves as a binder. Each particle has the structure that silicon or silicon alloy fine particles are dispersed in the silicon-base inorganic compound binder, and voids are present within the particle.
摘要翻译： 通过将硅，硅合金或氧化硅的一次微粒与有机硅化合物一起烧结来制备硅复合颗粒。 有机硅化合物的烧结产生作为粘合剂的硅基无机化合物。 每个颗粒具有将硅或硅合金细颗粒分散在硅基无机化合物粘合剂中的结构，并且在颗粒内存在空隙。
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6.发明申请公开(公告)号：US20050031958A1
公开(公告)日：2005-02-10
申请号：US10910317
申请日：2004-08-04
申请人： Hirofumi Fukuoka , Mikio Aramata , Kazuma Momii , Satoru Miyawaki
发明人： Hirofumi Fukuoka , Mikio Aramata , Kazuma Momii , Satoru Miyawaki
IPC分类号： C01B33/02 , B05D5/12 , H01M4/00 , H01M4/02 , H01M4/04 , H01M4/36 , H01M4/38 , H01M4/587 , H01M4/62 , H01M4/58
CPC分类号： H01M10/0525 , H01M4/0471 , H01M4/366 , H01M4/386 , H01M4/625
摘要： A metallic silicon-containing composite in which metallic silicon nuclei are coated with an inert material which does not contribute to adsorption and desorption of lithium ions is a useful negative electrode material for lithium ion secondary batteries. Using the composite as a negative electrode active material, a lithium ion secondary battery having a high capacity and excellent cycle performance can be fabricated.
摘要翻译： 一种金属硅复合物，其中金属硅核被不利于锂离子的吸附和解吸的惰性材料涂覆，是用于锂离子二次电池的有用的负极材料。 使用复合物作为负极活性物质，可以制造具有高容量和优异的循环性能的锂离子二次电池。
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7.发明申请公开(公告)号：US20050214644A1
公开(公告)日：2005-09-29
申请号：US11085518
申请日：2005-03-22
IPC分类号： C01B21/068 , C01B31/36 , C01B33/00 , C01B33/12 , H01B1/04 , H01B1/12 , H01M4/02 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/136 , H01M4/139 , H01M4/36 , H01M4/38 , H01M4/48 , H01M4/485 , H01M4/58 , H01M4/587 , H01M4/60 , H01M4/62 , H01M10/0525 , H01M10/36
CPC分类号： H01B1/122 , H01M4/0471 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/136 , H01M4/139 , H01M4/364 , H01M4/386 , H01M4/485 , H01M4/58 , H01M4/587 , H01M4/60 , H01M10/0525 , H01M2004/021 , H01M2004/027
摘要： Silicon composite particles are prepared by sintering primary fine particles of silicon, silicon alloy or silicon oxide together with an organosilicon compound. Sintering of the organosilicon compound results in a silicon-base inorganic compound which serves as a binder. Each particle has the structure that silicon or silicon alloy fine particles are dispersed in the silicon-base inorganic compound binder, and voids are present within the particle.
摘要翻译： 通过将硅，硅合金或氧化硅的一次微粒与有机硅化合物一起烧结来制备硅复合颗粒。 有机硅化合物的烧结产生作为粘合剂的硅基无机化合物。 每个颗粒具有将硅或硅合金细颗粒分散在硅基无机化合物粘合剂中的结构，并且在颗粒内存在空隙。
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公开(公告)号：US06759160B2
公开(公告)日：2004-07-06
申请号：US10082315
申请日：2002-02-26
申请人： Hirofumi Fukuoka , Satoru Miyawaki , Kenji Oõka , Susumu Ueno , Mikio Aramata , Takeshi Fukuda
发明人： Hirofumi Fukuoka , Satoru Miyawaki , Kenji Oõka , Susumu Ueno , Mikio Aramata , Takeshi Fukuda
IPC分类号： H01M448
CPC分类号： H01M4/485 , C01B33/113 , H01M4/0471 , H01M4/131 , H01M10/0525 , H01M2004/027
摘要： A silicon oxide powder represented by the formula: SiOx wherein 1.05≦x≦1.5 and having a BET specific surface area of 5-300 m2/g is useful as a negative electrode material to construct a lithium ion secondary cell having a high capacity and improved cycle performance.
摘要翻译： 由式：SiOx表示的氧化硅粉末，其中1.05 <= x <= 1.5，BET比表面积为5-300m 2 / g，可用作负极材料，以构建具有 高容量和改进的循环性能。
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公开(公告)号：US07794681B2
公开(公告)日：2010-09-14
申请号：US11790031
申请日：2007-04-23
申请人： Hirofumi Fukuoka , Mikio Aramata , Satoru Miyawaki
发明人： Hirofumi Fukuoka , Mikio Aramata , Satoru Miyawaki
IPC分类号： C01B33/12 , C01B15/14 , C01B21/068 , B01D5/00 , B01D7/00
CPC分类号： C01B33/113 , C01B33/182
摘要： An efficient method for producing a silicon oxide powder at a low cost is provided. This method comprises the steps of heating a powder mixture of a silicon dioxide powder and a metal silicon powder to a temperature of 1,100 to 1,450° C. in an inert gas or under reduced pressure to generate silicon monoxide gas, and precipitating the silicon monoxide gas on a surface of a substrate to produce the silicon oxide powder, and in this method, the silicon dioxide powder has an average particle diameter of up to 1 μm, and the metal silicon powder has an average particle diameter of 30 μm.
摘要翻译： 提供了一种以低成本生产氧化硅粉末的有效方法。 该方法包括以惰性气体或减压的方式将二氧化硅粉末和金属硅粉末的粉末混合物加热至1100〜1450℃的温度，生成一氧化硅气体，使一氧化硅气体 在基板的表面上形成氧化硅粉末，在该方法中，二氧化硅粉末的平均粒径为1μm以下，金属硅粉的平均粒径为30μm。
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10.发明授权Silicon-silicon oxide-lithium composite, making method, and non-aqueous electrolyte secondary cell negative electrode material 有权硅 - 氧化锂 - 锂复合材料，制造方法和非水电解质二次电池负极材料公开(公告)号：US07776473B2
公开(公告)日：2010-08-17
申请号：US11689649
申请日：2007-03-22
IPC分类号： H01M4/58
CPC分类号： H01M10/0525 , H01M4/134 , H01M4/1395 , H01M4/485 , H01M2004/027
摘要： A silicon-silicon oxide-lithium composite comprises a silicon-silicon oxide composite having such a structure that silicon grains having a size of 0.5-50 nm are dispersed in silicon oxide, the silicon-silicon oxide composite being doped with lithium. Using the silicon-silicon oxide-lithium composite as a negative electrode material, a lithium ion secondary cell having a high initial efficiency and improved cycle performance can be constructed.
摘要翻译： 硅 - 氧化硅 - 锂复合材料包括具有这样的结构的硅 - 硅氧化物复合体，其尺寸为0.5-50nm的硅颗粒分散在氧化硅中，硅 - 氧化硅复合材料掺杂有锂。 使用硅 - 氧化锂 - 锂复合材料作为负极材料，可以构建具有高初始效率和改进的循环性能的锂离子二次电池。
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