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    • 1. 发明授权
    • Gel polymer electrolyte and electrochemical device comprising the same
    • 凝胶聚合物电解质和包含其的电化学装置
    • US08318361B2
    • 2012-11-27
    • US12310771
    • 2007-09-07
    • Sung-Hoon YuJeong-Ju ChoSoo-Jin KimSoo-Hyun Ha
    • Sung-Hoon YuJeong-Ju ChoSoo-Jin KimSoo-Hyun Ha
    • H01M6/14
    • H01M10/0565
    • Disclosed is a composition for a gel polymer electrolyte, the composition comprising: (i) a cyclic compound as a first crosslinking agent, the cyclic compound containing a cyclic group at the center thereof and having at least three double bonds at the end thereof; (ii) a linear or branched compound as a second crosslinking agent, the linear or branched compound containing an oxyalkylene group at the center thereof and having at least two (meth)acryl groups at the end thereof; (iii) an electrolyte solvent; (iv) an electrolyte salt; and (v) a polymerization initiator. Also, disclosed are a gel polymer electrolyte formed by polymerizing the composition for a gel polymer electrolyte, and an electrochemical device comprising the gel polymer electrolyte.
    • 公开了一种用于凝胶聚合物电解质的组合物,该组合物包含:(i)作为第一交联剂的环状化合物,其中心含有环状基团的环状化合物,末端具有至少三个双键; (ii)直链或支链化合物作为第二交联剂,所述直链或支链化合物在其中心含有氧化烯基并在其末端具有至少两个(甲基)丙烯酰基; (iii)电解质溶剂; (iv)电解质盐; 和(v)聚合引发剂。 此外,公开了通过聚合凝胶聚合物电解质组合物和包含凝胶聚合物电解质的电化学装置而形成的凝胶聚合物电解质。
    • 2. 发明授权
    • Safety device for preventing overcharge of secondary batteries and secondary batteries therewith
    • 用于防止二次电池和二次电池的过充电的安全装置
    • US07745040B2
    • 2010-06-29
    • US11209462
    • 2005-08-23
    • Sung Kyun ChangJae Hyun LeeJoon Hwan LeeSoo Hyun HaJeong Ju Cho
    • Sung Kyun ChangJae Hyun LeeJoon Hwan LeeSoo Hyun HaJeong Ju Cho
    • H01M2/10
    • H01M2/34H01M10/48H01M10/613H01M10/637H01M2200/10H02J7/0029H02J2007/0037
    • 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.
    • 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。
    • 3. 发明授权
    • Secondary battery having constant-voltage device
    • 二次电池具有恒压装置
    • US07737661B2
    • 2010-06-15
    • US11208059
    • 2005-08-19
    • Sung Kyun ChangJeong Ju ChoJae Hyun LeeJoon Hwan LeeEui Yong BangSoo Hyun Ha
    • Sung Kyun ChangJeong Ju ChoJae Hyun LeeJoon Hwan LeeEui Yong BangSoo Hyun Ha
    • H02J7/00
    • H01M2/34H01M10/4235
    • 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.
    • 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。
    • 5. 发明申请
    • Gel polymer electrolyte and electrochemical device comprising the same
    • 凝胶聚合物电解质和包含其的电化学装置
    • US20090317723A1
    • 2009-12-24
    • US12310771
    • 2007-09-07
    • Sung-Hoon YuJeong-Ju ChoSoo-Jin KimSoo-Hyun Ha
    • Sung-Hoon YuJeong-Ju ChoSoo-Jin KimSoo-Hyun Ha
    • H01M6/16
    • H01M10/0565
    • Disclosed is a composition for a gel polymer electrolyte, the composition comprising: (i) a cyclic compound as a first crosslinking agent, the cyclic compound containing a cyclic group at the center thereof and having at least three double bonds at the end thereof; (ii) a linear or branched compound as a second crosslinking agent, the linear or branched compound containing an oxyalkylene group at the center thereof and having at least two (meth)acryl groups at the end thereof; (iii) an electrolyte solvent; (iv) an electrolyte salt; and (v) a polymerization initiator. Also, disclosed are a gel polymer electrolyte formed by polymerizing the composition for a gel polymer electrolyte, and an electrochemical device comprising the gel polymer electrolyte.
    • 公开了一种凝胶聚合物电解质组合物,该组合物包含:(i)作为第一交联剂的环状化合物,其中心含有环状基团的环状化合物,末端具有至少三个双键; (ii)直链或支链化合物作为第二交联剂,所述直链或支链化合物在其中心含有氧化烯基并在其末端具有至少两个(甲基)丙烯酰基; (iii)电解质溶剂; (iv)电解质盐; 和(v)聚合引发剂。 此外,公开了通过聚合凝胶聚合物电解质组合物和包含凝胶聚合物电解质的电化学装置而形成的凝胶聚合物电解质。
    • 8. 发明授权
    • Non-aqueous electrolyte and electrochemical device with an improved safety
    • 非水电解质和电化学装置具有改进的安全性
    • US08968938B2
    • 2015-03-03
    • US12087813
    • 2007-01-12
    • Young Soo KimSoon Ho AhnJoon Sung BaeCha Hun KuSoo Hyun HaDuk Hyun RyuSei Lin Yoon
    • Young Soo KimSoon Ho AhnJoon Sung BaeCha Hun KuSoo Hyun HaDuk Hyun RyuSei Lin Yoon
    • H01M6/18H01M10/0567H01M10/0569H01M4/13H01M4/139H01M10/052H01M10/42
    • H01M10/0567H01M4/13H01M4/139H01M10/052H01M10/056H01M10/0569H01M10/4235H01M2300/004Y02E60/122Y02P70/54
    • Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1. Moreover, disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product. In addition, disclosed is an electrochemical device comprising: an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product.
    • 公开了包含锂盐和溶剂的非水电解质,所述电解质包含基于电解质重量的10-40重量%的式1化合物或其分解产物,和1-40重量%的 脂族腈化合物,以及包含该非水电解质的电化学装置。 还公开了一种电化学装置,包括:阴极,其在阴极活性材料的表面和脂族腈化合物之间形成复合物; 以及在其上形成有包含式1化合物的分解产物的涂层的阳极。此外,公开了一种电化学装置,其包括:阴极,其在阴极活性物质的表面和脂族腈化合物之间形成复合体; 和含有式1化合物或其分解产物的非水电解质。 此外,公开了一种电化学装置,其包括:阳极,其上形成有包含式1化合物的分解产物的涂层; 和含有式1化合物或其分解产物的非水电解质。