Anode material and method of manufacturing the same
    1.
    发明授权
    Anode material and method of manufacturing the same 失效
    阳极材料及其制造方法

    公开(公告)号:US5716732A

    公开(公告)日:1998-02-10

    申请号:US812734

    申请日:1997-03-06

    摘要: An anode material consisting of non-graphitizable carbon material obtained by baking a carbon precursor is disclosed. In this non-graphitizable carbon material, a ratio by weight of carbon Ps in a stacking structure as determined from diffraction peak originating in a (002) crystal lattice plane and X-ray diffraction spectrum components on the lower angle side with respect to the diffraction peak originating in the (002) crystal lattice plane of X-ray diffraction spectrum is smaller than 0.59, or the stacking index SI thereof is smaller than 0.76. Moreover, an average number of carbon layers n.sub.ave in a stacking structure is smaller than 2.46. Alternatively, when the baking temperature is T.degree.C. and the half width at half maximum of the peak appearing in the vicinity of 1340 cm.sup.-1 in the Raman spectrum is HW, the condition expressed below is satisfied. HW>138-0.06.multidot.T This non-graphitizable carbon material is manufactured by allowing the carbon precursor which becomes non-graphitizable carbon by baking to undergo heat treatment at a temperature 600.degree. C. or more under an inactive gas atmosphere of flow rate of 0.1 ml/sec. or more per 1 g of carbon precursor, or to undergo heat treatment at a temperature 600.degree. C. or more under an atmosphere of pressure less than 50 kPa. At this time, carbon precursor is mounted in a layered form so that the area in contact with the atmosphere is 10 cm.sup.2 or more per 1 Kg.

    摘要翻译: 公开了一种由通过焙烧碳前体获得的不可石墨化碳材料构成的负极材料。 在该非石墨化碳材料中,由源于(002)晶格面的衍射峰确定的层叠结构中的碳Ps的重量比和相对于衍射的下角侧的X射线衍射光谱成分 源于X射线衍射光谱的(002)晶格面的峰值小于0.59,或者其堆积指数SI小于0.76。 此外,层叠结构中的碳层的平均数量小于2.46。 或者,当烘烤温度为T℃时,在拉曼光谱中出现在1340cm -1附近的峰的半值宽度为HW时,满足以下表达的条件.HW> 138-0.06xTThis 不可石墨化的碳材料是通过在惰性气体气氛下以0.1ml / sec的流动速率在600℃或更高的温度下进行焙烧,使成为不可石墨化碳的碳前体进行热处理来制造的。 或更多的碳前体,或者在低于50kPa的压力的气氛下,在600℃以上的温度下进行热处理。 此时,碳前驱体以层叠的形式安装,使得与大气接触的面积为每1Kg为10cm 2以上。

    Non aqueous electrolyte cell
    2.
    发明授权
    Non aqueous electrolyte cell 失效
    非水电解质电池

    公开(公告)号:US4959281A

    公开(公告)日:1990-09-25

    申请号:US399982

    申请日:1989-08-29

    摘要: An improved non-aqueous electrolyte cell is disclosed in which specific carbonaceous material is used as an anode. The carbonaceous material has interlayer spacing d.sub.002 of not less than 3.70 A, true density not larger than 1.70 g/cm.sup.3 and no exothermic peak not less than 700.degree. C. upon differential thermal analysis under air stream. The combination with cathode active material containing Li in an amount not less than 250 mAH/g in term of charging/discharging capacity, provides superior cyclic life characterisitcs and large capacity.

    摘要翻译: 公开了一种改进的非水电解质电池,其中使用特定的碳质材料作为阳极。 碳质材料具有不小于3.70A的层间距d002,真空密度不大于1.70g / cm 3,在空气流下进行差热分析时,不具有不低于700℃的放热峰。 与充电/放电容量不小于250mAH / g的含有Li的阴极活性物质的组合提供优异的循环寿命特性和大容量。

    Anode material and method of manufacturing the same
    4.
    发明授权
    Anode material and method of manufacturing the same 失效
    阳极材料及其制造方法

    公开(公告)号:US5643426A

    公开(公告)日:1997-07-01

    申请号:US507324

    申请日:1995-08-23

    摘要: An anode material consisting of non-graphitizable carbon material obtained by baking carbon precursor is disclosed. In this non-graphitizable carbon material, ratio by weight of carbon Ps in stacking structure determined from diffraction peak originating in (002) crystal lattice plane and X-ray diffraction spectrum components on the lower angle side with respect to the diffraction peak originating in the (002) crystal lattice plane of X-ray diffraction spectrum is smaller than 0.59, or stacking index SI thereof is smaller than 0.76. Moreover, average number of carbon layers n.sub.ave in stacking structure is smaller than 2.46. Alternatively, when baking temperature is T.degree. C. and half width at half maximum of peak appearing in the vicinity of 1340 cm.sup.-1 in Raman spectrum is HW, the condition expressed below is satisfied.HW>138-0.06.multidot.TThis non-graphitizable carbon material is manufactured by allowing carbon precursor which becomes non-graphitizable carbon by baking to undergo heat treatment at temperature 600.degree. C. or more under inactive gas atmosphere of flow rate of 0.1 ml/sec. or more per carbon precursor 1 g, or to undergo heat treatment at temperature 600.degree. C. or more under the atmosphere of pressure less than 50 kPa. At this time, carbon precursor is mounted in a layered form so that the area in contact with the atmosphere is 10 cm.sup.2 or more per 1 Kg.

    摘要翻译: PCT No.PCT / JP93 / 01929 Sec。 371日期1995年8月23日 102(e)日期1995年8月23日PCT 1993年12月28日PCT公布。 WO95 / 18467 PCT出版物 日期:1995年7月6日公开了通过焙烧碳前体得到的由不可石墨化的碳材料构成的负极材料。 在该不石墨化碳材料中,由源于(002)晶格面的衍射峰和下角侧的X射线衍射光谱成分相对于起源于(002)晶格面的衍射峰确定的层叠结构中的碳Ps的重量比 X射线衍射光谱的(002)晶格面小于0.59,或堆积指数SI小于0.76。 此外,层叠结构中的碳层平均数小于2.46。 或者,当烘烤温度为T℃时,在拉曼光谱中出现在1340cm -1附近的峰值半峰宽为HW,满足以下表达的条件:W> 138-0.06×T这种非石墨化碳 通过在0.1ml /秒的流动速率的惰性气体气氛下,在600℃以上的温度下进行焙烧,使成为不可石墨化碳的碳前体进行热处理,从而制造材料。 或更多的每碳前体1g,或在压力小于50kPa的气氛下在600℃或更高温度下进行热处理。 此时,碳前驱体以层叠的形式安装,使得与大气接触的面积为每1Kg为10cm 2以上。

    Carbonaceous electrode material for non-aqueous secondary battery
    5.
    发明授权
    Carbonaceous electrode material for non-aqueous secondary battery 有权
    用于非水二次电池的碳质电极材料

    公开(公告)号:US06335122B1

    公开(公告)日:2002-01-01

    申请号:US09402122

    申请日:1999-12-16

    IPC分类号: H01M458

    摘要: A carbonaceous electrode having improved capacities for doping and dedoping of a cell active substance, such as lithium, and suitable for a non-aqueous solvent secondary battery, is constituted by a carbonaceous material having a true density as measured by a butanol substitution method of at most 1.46 g/cm3, a true density as measured by a helium substitution method of at least 1.7 g/cm3, a hydrogen-to-carbon atomic ratio H/C of at most 0.15 as measured according to elementary analysis, a BET specific surface area of at most 50 m2/g as measured by nitrogen adsorption BET method, and a carbon dioxide adsorption capacity of at least 10 ml/g. The carbonaceous material is advantageously produced by carbonizing an organic material originated from bamboo genera of family Gramineae, particularly genus Pleioblastus or Bambusa, at 1000-1400° C. under a reduced pressure or under a flowing inert gas stream to provide an appropriate porous structure.

    摘要翻译: 具有改善的电池活性物质(例如锂)的掺杂和去掺杂的适用于非水溶剂二次电池的容量的碳质电极由具有真实密度的碳质材料构成,所述碳质材料通过丁醇取代方法 最大1.46g / cm 3,通过氦取代方法测定的至少1.7g / cm 3的真实密度,根据元素分析测定的氢/碳原子比H / C至多为0.15,BET比表面积 通过氮吸附BET法测定的面积为至多50m 2 / g,二氧化碳吸附容量至少为10ml / g。 碳质材料有利地通过在1000-1400℃下在减压下或在流动的惰性气流下碳化源自禾本科的竹属,特别是Pleioblastus或Bambusa的竹属的有机材料来产生,以提供合适的多孔结构。

    Anode material, method for producing it and non-aqueous electrolyte cell
employing such anode materials
    6.
    发明授权
    Anode material, method for producing it and non-aqueous electrolyte cell employing such anode materials 失效
    阳极材料,其制造方法和使用这种阳极材料的非水电解质电池

    公开(公告)号:US5294498A

    公开(公告)日:1994-03-15

    申请号:US940949

    申请日:1992-11-02

    IPC分类号: H01M4/58 H01M6/14

    CPC分类号: H01M10/05 H01M4/587

    摘要: An anode material composed mainly of a difficultly graphatizable carbon or coke (easily graphatizable coke) consisting essentially of carbon, phosphorus and oxygen, and containing phosphorus in an amount of 0.2 to 9.0 wt %, is disclosed. The anode material exhibits a peak in a .sup.31 P solid NMR spectrum in a range of .+-.100 ppm based on orthophosphoric acid, and a peak in a 2p orbital spectrum of a phosphorus atom in XPS of not more than 135 eV. The anode material is prepared by adding phosphoric acid or phosphorus oxides to an organic material or a carbonic material. A non-aqueous liquid electrolyte cell is produced from the above anode material, an Li-containing cathode and a liquid electrolyte.

    摘要翻译: PCT No.PCT / JP92 / 00238 Sec。 371日期:1992年11月2日 102(e)日期1992年11月2日PCT提交1992年2月28日PCT公布。 公开号WO92 / 16026 日期:1992年9月17日。公开了一种主要由难以制成的碳或焦炭(容易石墨化的焦炭)组成的负极材料,其主要由碳,磷和氧组成,并含有0.2至9.0重量%的磷。 阳极材料在31P固体NMR光谱中表现出基于正磷酸在±100ppm范围内的峰,并且XPS中磷原子的2p轨道光谱中的峰不超过135eV。 通过向有机材料或碳材料中加入磷酸或磷氧化物来制备阳极材料。 由上述阳极材料,含Li阴极和液体电解质制造非水电解液电池。

    Non-aqueous electrolyte battery and method of manufacturing the same
    8.
    发明授权
    Non-aqueous electrolyte battery and method of manufacturing the same 有权
    非水电解质电池及其制造方法

    公开(公告)号:US07261976B2

    公开(公告)日:2007-08-28

    申请号:US10439807

    申请日:2003-05-16

    IPC分类号: H01M4/58 H01M4/82

    摘要: The battery comprises a positive electrode which has a positive electrode active material compound layer containing a positive electrode active material formed on a positive electrode current collector; a negative electrode which has at least one negative electrode thin film layer and at least one negative electrode active material compound layer, on a negative electrode current collector, and a non-aqueous electrolyte containing an electrolyte salt. The negative electrode thin film layer contains at least one Group 14 element, and is formed by a thin-film formation technology, and the negative electrode active material compound layer contains a binder and a negative electrode active material, which contains at least any one of Sn, Si, Sn compound, Si compound and carbonaceous material. With this negative electrode, the negative electrode thin film layer containing a high-capacity Group 14 element raises the battery capacity, and the negative electrode active material compound layer provides excellent charge/discharge cycle characteristics while suppressing degradation of the negative electrode even under repetitive charge/discharge.

    摘要翻译: 该电池包括正电极,该正极具有包含在正极集电体上形成的正极活性物质的正极活性物质化合物层; 在负极集电体上具有至少一个负极薄膜层和至少一个负极活性物质化合物层的负极和含有电解质盐的非水电解质。 负极薄膜层含有至少一个第14族元素,通过薄膜形成技术形成,负极活性物质化合物层含有粘合剂和负极活性物质,其含有至少任一种 Sn,Si,Sn化合物,Si化合物和碳质材料。 对于该负极,含有高容量组14元素的负极薄膜层提高了电池容量,负极活性物质化合物层即使在重复充电的同时也能够抑制负极的劣化的同时提供优异的充放电循环特性 /卸货。