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29 条记录 (耗时 0.03 秒)

    Apparatus for protection of secondary battery
    1.
    发明申请
    Apparatus for protection of secondary battery 有权
    二次电池保护装置

    公开(公告)号：US20070072060A1

    公开(公告)日：2007-03-29

    申请号：US11490359

    申请日：2006-07-20

    申请人： Sung Chang ,  Joon Lee ,  Jae Lee ,  Soo Ha ,  Jeong Cho ,  Sang Choy

    发明人： Sung Chang ,  Joon Lee ,  Jae Lee ,  Soo Ha ,  Jeong Cho ,  Sang Choy

    IPC分类号： H01M10/50 ,  G01K7/00

    CPC分类号： H01M10/00 ,  H01M10/0525 ,  H01M10/443 ,  H01M10/486 ,  H01M2200/10 ,  H01M2200/105 ,  H02J7/0029

    摘要： Disclosed is an apparatus for protecting a secondary battery, in which, when the secondary battery such as a lithium-ion secondary battery is exposed to high temperature exceeding a working range due to a change in external environment, external impacts, and so on, or heated due to spontaneous generation of heat caused by internal defects, the secondary battery is discharged. The apparatus includes a thyristor or transistor having an anode and a cathode connected both terminals of the secondary battery respectively, and shorting both terminals of the secondary battery when gate current is supplied, and a temperature sensor detecting temperature of the secondary battery and supplying the gate current to the thyristor or transistor when the detected temperature is higher than predetermined temperature. Thereby, when the temperature of the secondary battery increases due to any one of a change in external environment, external impacts, heat generation of the battery caused by internal defects, overcharge, and the like, the secondary battery is discharged into a safe state, so that it is possible to prevent the secondary battery from swelling, inflammation, or detonation to thus improving safety.

    摘要翻译： 公开了一种用于保护二次电池的装置，其中当诸如锂离子二次电池的二次电池由于外部环境变化，外部冲击等而暴露于超过工作范围的高温时，或 由于内部缺陷引起的热量的自发产生加热，二次电池被排出。 该装置包括分别连接二次电池的两个端子的阳极和阴极的晶闸管或晶体管，并且当提供栅极电流时短路二次电池的两个端子，以及温度传感器检测二次电池的温度并提供栅极 当检测到的温度高于预定温度时，电流流向晶闸管或晶体管。 因此，当由于外部环境的变化，外部冲击，由内部缺陷引起的电池的发热，过度充电等中的任何一种而使二次电池的温度升高时，二次电池被放电到安全状态， 使得可以防止二次电池膨胀，炎症或爆炸，从而提高安全性。

    Protection circuit for secondary battery and secondary battery comprising the same
    2.
    发明申请
    Protection circuit for secondary battery and secondary battery comprising the same 有权

    公开(公告)号：US20060275653A1

    公开(公告)日：2006-12-07

    申请号：US11431360

    申请日：2006-05-10

    申请人： Sung Chang ,  Jae Lee ,  Joon Lee ,  Soo Ha ,  Jeong Cho

    发明人： Sung Chang ,  Jae Lee ,  Joon Lee ,  Soo Ha ,  Jeong Cho

    IPC分类号： H01M10/50 ,  H01H79/00 ,  H01H61/00

    CPC分类号： H01M10/443 ,  H01M2/34 ,  H01M10/052

    摘要： Disclosed is a protection circuit for a secondary battery and a secondary battery having the same, which can interrupt electric current input into the secondary battery when the temperature of the secondary battery increases due to an overcharge, and also can protect the secondary battery in the case where the already charged secondary battery is exposed to a high temperature due to the increase of an external or internal temperature of the secondary battery. The protection circuit includes: means having one end connected to a first electrode of the secondary battery, for restricting electric current; switching means for connecting a second electrode of the secondary battery to a first outer electrode, or to the current restriction means in response to temperature; and a conducting wire for connecting the first electrode of the secondary battery to a second outer electrode.

    Secondary battery having an improved safety
    3.
    发明申请
    Secondary battery having an improved safety 有权
    二次电池具有改进的安全性

    公开(公告)号：US20060083983A1

    公开(公告)日：2006-04-20

    申请号：US11247881

    申请日：2005-10-10

    申请人： Sung Chang ,  Jae Lee ,  Joon Lee ,  Soo Ha ,  Jeong Cho

    发明人： Sung Chang ,  Jae Lee ,  Joon Lee ,  Soo Ha ,  Jeong Cho

    IPC分类号： H01M2/02 ,  H01M2/26 ,  H01M10/50

    CPC分类号： H01M2/0277 ,  H01M2/0272 ,  H01M2/0275 ,  H01M2/0285 ,  H01M2/0287 ,  H01M10/0525

    摘要： Disclosed is a secondary battery. The secondary battery includes a battery can serving as a positive electrode terminal or a negative electrode terminal of the secondary battery, an electrically conductive substrate provided at an outer portion of the battery can, and a nonconductive film interposed between the battery can and the electrically conductive substrate in order to insulate the electrically conductive substrate from the battery can, wherein the electrically conductive substrate is electrically connected to an electrode terminal having polarity opposite to that of the battery can. Safety of the secondary battery is ensured even if the secondary battery is subject to external parameters, such as penetration of a sharp tool (e.g. a nail or a drill tip), pressing force of a tool (e.g. a nipper), external impact, and exposure to the high temperature.

    摘要翻译： 公开了二次电池。 二次电池包括用作二次电池的正极端子或负极端子的电池壳体，设置在电池壳体的外部的导电性基板，以及介于电池壳体与导电性电极之间的非导电性膜 基板，以使导电基板与电池壳体绝缘，其中导电基板电连接到具有与电池壳体极性相反的极性的电极端子。 即使二次电池受到诸如尖锐工具（例如钉子或钻头）的穿透，工具（例如钳子）的挤压力，外部冲击和外部冲击的外部参数的影响，也可确保二次电池的安全性 暴露于高温。

    Safety device for preventing overcharge of secondary batteries and secondary batteries therewith
    6.
    发明申请
    Safety device for preventing overcharge of secondary batteries and secondary batteries therewith 有权
    用于防止二次电池和二次电池的过充电的安全装置

    公开(公告)号：US20060043935A1

    公开(公告)日：2006-03-02

    申请号：US11209462

    申请日：2005-08-23

    申请人： Sung Chang ,  Jae Lee ,  Joon Lee ,  Soo Ha ,  Jeong Cho

    发明人： Sung Chang ,  Jae Lee ,  Joon Lee ,  Soo Ha ,  Jeong Cho

    IPC分类号： H02J7/00

    CPC分类号： H01M2/34 ,  H01M10/48 ,  H01M10/613 ,  H01M10/637 ,  H01M2200/10 ,  H02J7/0029 ,  H02J2007/0037

    摘要： An object of the present invention is to provide the device for protecting a secondary battery safely from overvoltage and overheating caused by the overcharge by using simple safety device, which provides a contacted safety device which connects between a constant voltage element showing a discharge characteristic in the state of overvoltage and a MIT (metal insulator transition) element showing a discharge characteristic in the state of overheating. Each of the constant voltage element and the MIT element are connected in parallel between a cathode lead and an anode lead of the secondary battery. The contacted safety device has a characteristic combining a discharge/heat dissipation characteristic of the constant voltage element and a discharge characteristic of the MIT element which immediately responds to the heat dissipation of the constant voltage element, resulting in effect of preventing overcharge advantageously since the contacted safety device makes discharge in terms of 2 factors of voltage and temperature in case of overcharge.

    摘要翻译： 本发明的目的是提供一种用于通过使用简单的安全装置来安全地保护二次电池免于由过充电引起的过电压和过热的装置，该安全装置提供一个接触的安全装置，该安全装置连接在表现出 过电压状态和显示过热状态下的放电特性的MIT（金属绝缘体转变）元件。 恒压元件和MIT元件中的每一个并联连接在二次电池的阴极引线和阳极引线之间。 所接触的安全装置具有组合恒压元件的放电/散热特性和MIT元件的放电特性的特征，其立即响应于恒压元件的散热，从而有效地防止由于接触 在过充电的情况下，安全装置可以根据电压和温度的2个因素进行放电。

    Secondary battery having constant-voltage device
    7.
    发明申请
    Secondary battery having constant-voltage device 有权
    二次电池具有恒压装置

    公开(公告)号：US20060038534A1

    公开(公告)日：2006-02-23

    申请号：US11208059

    申请日：2005-08-19

    申请人： Sung Chang ,  Jeong Cho ,  Jae Lee ,  Joon Lee ,  Eui Bang ,  Soo Ha

    发明人： Sung Chang ,  Jeong Cho ,  Jae Lee ,  Joon Lee ,  Eui Bang ,  Soo Ha

    IPC分类号： H02J7/00

    CPC分类号： H01M2/34 ,  H01M10/4235

    摘要： Disclosed is a secondary battery having a constant-voltage device for preventing the secondary battery from being excessively overcharged. The breakdown voltage of the constant-voltage device is lower than the explosion or ignition voltage of the secondary battery, so the discharge operation may occur before the secondary battery is exploded or ignited even if the voltage of the secondary battery rises above the overcharge voltage, thereby protecting the secondary battery from explosion or ignition. The leakage current value of the constant-voltage device is less than 0.05% of the capacity value of the secondary battery under the maximum charge voltage of the secondary battery, or the breakdown voltage of the constant-voltage device is higher than the maximum charge voltage of the secondary battery. Thus, the constant-voltage device rarely generates the leakage current even if the secondary battery has been charged with the maximum charge voltage.

    摘要翻译： 公开了具有用于防止二次电池过度充电的恒压装置的二次电池。 恒压装置的击穿电压低于二次电池的爆炸或点火电压，因此即使二次电池的电压升高到过充电电压以上，放电操作也可能在二次电池分解或点燃之前发生， 从而保护二次电池免受爆炸或点火。 在二次电池的最大充电电压下，恒压装置的漏电电流值小于二次电池容量值的0.05％，或恒压装置的击穿电压高于最大充电电压 的二次电池。 因此，即使二次电池被充电最大充电电压，恒压装置也很少产生漏电流。

    Electrode active material for lithium secondary battery
    8.
    发明申请
    Electrode active material for lithium secondary battery 有权
    锂二次电池用电极活性物质

    公开(公告)号：US20060014079A1

    公开(公告)日：2006-01-19

    申请号：US11181045

    申请日：2005-07-14

    申请人： Sung Chang ,  Jeong Cho

    发明人： Sung Chang ,  Jeong Cho

    IPC分类号： H01M4/58 ,  C01B25/45

    CPC分类号： C01B25/37 ,  C01B25/45 ,  H01M4/5825 ,  H01M10/052

    摘要： Disclosed is a compound represented by the following formula 1. A lithium secondary battery using the same compound as electrode active material, preferably as cathode active material, is also disclosed. LiMP1-xAxO4  [Formula 1] wherein M is a transition metal, A is an element having an oxidation number of +4 or less and 0

    摘要翻译： 公开了由下式1表示的化合物。还公开了使用与电极活性物质相同的化合物的锂二次电池，优选作为阴极活性物质。 <？in-line-formula description =“In-line Formulas”end =“lead”？> LiMP 1-x > [式1] <？in-line-formula description =“In-line Formulas”end =“tail”？>其中M是过渡金属，A是具有+4以下氧化值的元素， x <1。 包含由LiMP 1-x A A x O 4 S 4式表示的化合物的电极活性材料显示出优异的导电性和充电/放电容量 至LiMPO 4。

    Anode active material with improved electrochemical properties and electrochemical device comprising the same
    9.
    发明申请
    Anode active material with improved electrochemical properties and electrochemical device comprising the same 有权
    具有改善的电化学性质的阳极活性材料和包含其的电化学装置

    公开(公告)号：US20050287440A1

    公开(公告)日：2005-12-29

    申请号：US11112170

    申请日：2005-04-22

    申请人： Sung Chang ,  Hyeong Kim ,  Sang Choy ,  Jeong Cho

    发明人： Sung Chang ,  Hyeong Kim ,  Sang Choy ,  Jeong Cho

    IPC分类号： H01M4/02 ,  H01M4/04 ,  H01M4/36 ,  H01M4/38 ,  H01M4/40 ,  H01M4/48 ,  H01M4/50 ,  H01M4/52 ,  H01M4/62 ,  H01M10/36 ,  H01M10/38 ,  H01M10/40 ,  H01M4/58

    CPC分类号： H01M4/366 ,  H01M4/0402 ,  H01M4/0416 ,  H01M4/0471 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/40 ,  H01M4/58 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/058 ,  H01M2004/027

    摘要： Disclosed is an anode active material, comprising: (a) a carbonaceous material; and (b) a carbide coating layer partially or totally formed on a surface of the carbonaceous material, the carbide coating layer comprising at least one element selected from the group consisting of metals and metalloids. An anode obtained by using the anode active material and an electrochemical device comprising the anode are also disclosed. The carbonaceous material comprises a coating layer of metal-/metalloid-carbide obtained by treating it at high temperature under inert atmosphere, wherein the coating layer has increased interfacial boding force to the carbonaceous material and thus shows minimized reactivity to lithium. The carbonaceous material as anode active material can minimize the irreversible anode capacity needed for the formation of an SEI film during the first charge/discharge cycle, thereby providing high capacity, high efficiency and significantly improved anode qualities.

    摘要翻译： 公开了一种阳极活性材料，其包含：（a）碳质材料; 和（b）部分或全部形成在所述碳质材料的表面上的碳化物涂层，所述碳化物涂层包含选自金属和准金属的至少一种元素。 还公开了通过使用阳极活性材料获得的阳极和包括阳极的电化学装置。 含碳材料包括通过在惰性气氛下在高温下处理而获得的金属/ /类金刚石碳化物的涂层，其中涂层对碳质材料具有增加的界面粘合力，因此显示出对锂的反应性最小化。 作为阳极活性材料的碳质材料可以使在第一充电/放电循环期间形成SEI膜所需的不可逆阳极容量最小化，从而提供高容量，高效率和显着改善的阳极质量。