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    다공성의 3차원 집전체를 이용한 리튬전극, 그 제조방법및 리튬전지
    21.
    发明授权
    다공성의 3차원 집전체를 이용한 리튬전극, 그 제조방법및 리튬전지 失效
    다공성의3차원집체체를이용한리튬전극，그제조방법및리튬전지

    公开(公告)号：KR100447792B1

    公开(公告)日：2004-09-08

    申请号：KR1020027013110

    申请日：2001-01-31

    Applicant: 한국과학기술연구원

    Inventor： 조병원 ,  조원일 ,  김형선 ,  김운석 ,  남상철

    IPC: H01M4/38

    Abstract: PURPOSE: A lithium electrode using a porous 3D current collector, its preparation method and a lithium battery using the electrode are provided, to improve the utilization rate, the cycle lifetime and the charge/discharge efficiency of a battery. CONSTITUTION: The lithium electrode contains a porous 3D current collector and lithium or lithium alloy, and the lithium or the lithium alloy id dispersed into the pore of the 3D current collector. Preferably the current collector is made of the material selected from the group consisting of Ni, Cu, Ti, V, Cr, Mn, Fe, Co, Zn, Mo, W, Ag, Au, Ru, Pt, Ir, Al, Sn, Bi, Si, Sb and their alloys. The lithium alloy is an alloy of the metal selected from the group consisting of Al, Sn, Bi, Si, Sb, B and their alloys, and lithium. Optionally the lithium electrode comprises further metal inside of the pore of the current collector, and preferably the metal is selected from the group consisting of Ni, Cu, Ti, V, Cr, Mn, Fe, Co, Zn, Mo, W, Ag, Au, Ru, Pt, Ir, Al, Sn, Bi, Si, Sb and their alloys.

    Abstract translation: 目的：提供使用多孔3D集流体的锂电极，其制备方法和使用该电极的锂电池，以提高电池的利用率，循环寿命和充电/放电效率。 构成：锂电极包含多孔3D集电器和锂或锂合金，并且锂或锂合金ID分散到3D集电器的孔中。 优选地，集电器由选自由Ni，Cu，Ti，V，Cr，Mn，Fe，Co，Zn，Mo，W，Ag，Au，Ru，Pt，Ir，Al，Sn ，Bi，Si，Sb及其合金。 锂合金是选自Al，Sn，Bi，Si，Sb，B及其合金和锂的金属的合金。 任选地，锂电极包含在集电器孔的内部的其它金属，并且优选地，金属选自由Ni，Cu，Ti，V，Cr，Mn，Fe，Co，Zn，Mo，W，Ag ，Au，Ru，Pt，Ir，Al，Sn，Bi，Si，Sb及其合金。

    금속이 피복된 집전체, 이를 이용한 전극 및 이들 전극을포함하는 리튬전지
    23.
    发明授权
    금속이 피복된 집전체, 이를 이용한 전극 및 이들 전극을포함하는 리튬전지 失效
    금속이피복된된된집전체，이를이용한전극및이들전극을포함하는리튬전지

    公开(公告)号：KR100404733B1

    公开(公告)日：2003-11-07

    申请号：KR1020010032800

    申请日：2001-06-12

    Applicant: 한국과학기술연구원

    Inventor： 조병원 ,  조원일 ,  김형선 ,  김운석 ,  박호영

    IPC: H01M4/64

    Abstract: PURPOSE: A current collector coated with a metal, an electrode employing the current collector and a lithium battery containing the electrode are provided to improve the conductivity and to allow the potential distribution on the surface of an electrode to be maintained uniformly, thereby enhancing the utilization rate of an electrode and the cycle characteristic and the charge/discharge characteristic of a battery. CONSTITUTION: The current collector is a foil, a punched foil, an expanded foil or a porous plate made of copper, nickel, aluminum or titanium, and whose both faces are coated with a metal with a thickness of several nm to several micrometers uniformly. Preferably the metal coating the current collector is selected from the group consisting of Ni, Cu, Ti, V, Cr, Mn, Fe, Co, Zn, Mo, W, Ag, Au, Ru, Pt, Ir, Al, Sn, Bi, Si, Sb and their alloys. The electrode comprises a lithium electrode made by coating the current collector with lithium; a carbon-coated carbon electrode; and a metal compound-coated metal compound electrode. The lithium battery comprises a cathode and an anode according to the electrode; a polypropylene or polyethylene separation membrane; and a polymer electrolyte or a solid electrolyte.

    Abstract translation: 目的：提供涂有金属的集电器，采用集电器的电极和包含电极的锂电池，以提高导电性并使电极表面上的电位分布保持均匀，由此提高利用率 电极的速率和循环特性以及电池的充电/放电特性。 构成：集电器是由铜，镍，铝或钛制成的箔片，冲孔箔片，膨胀箔片或多孔板，并且它们的两个表面均匀涂覆有厚度为几纳米至几微米的金属。 优选地，集电器的金属涂层选自由Ni，Cu，Ti，V，Cr，Mn，Fe，Co，Zn，Mo，W，Ag，Au，Ru，Pt，Ir，Al，Sn， Bi，Si，Sb及其合金。 该电极包括通过用锂涂覆集流体而制成的锂电极; 碳涂覆的碳电极; 和金属化合物涂覆的金属化合物电极。 根据电极，锂电池包括阴极和阳极; 聚丙烯或聚乙烯分离膜; 和聚合物电解质或固体电解质。

    하이브리드형 고분자 전해질, 이를 이용한 리튬이차전지및 그들의 제조방법
    24.
    发明公开
    하이브리드형 고분자 전해질, 이를 이용한 리튬이차전지및 그들의 제조방법 有权
    混合聚合物电解质，包含混合聚合物电解质的锂二次电池及其制造方法

    公开(公告)号：KR1020030007632A

    公开(公告)日：2003-01-23

    申请号：KR1020027015453

    申请日：2000-05-19

    Applicant: 한국과학기술연구원

    Inventor： 윤경석 ,  조병원 ,  조성무 ,  이화섭 ,  조원일 ,  박건유 ,  김형선 ,  김운석 ,  고석구 ,  천석원 ,  최성원

    IPC: H01M10/05

    CPC classification number: H01M10/058 ,  H01M2/145 ,  H01M2/162 ,  H01M2/1673 ,  H01M10/052 ,  H01M10/056 ,  H01M10/0565

    Abstract: PURPOSE: Provided are a novel hybrid polymer electrolyte, a lithium secondary battery comprising the hybrid polymer electrolyte polymer and their fabrication methods. CONSTITUTION: The hybrid polymer electrolyte comprises superfine fibrous porous polymer matrix with particles having diameter of 1 - 3000 nm, polymers and lithium salt-dissolved organic electrolyte solutions incorporated into the porous polymer matrix. The hybrid polymer electrolyte has advantages of better adhesion with electrodes, good mechanical strength, better performance at low and high temperatures, better compatibility with organic electrolytes of a lithium secondary battery and it can be applied to the manufacture of lithium secondary batteries.

    Abstract translation: 目的：提供一种新型的混合聚合物电解质，包含该混合聚合物电解质聚合物的锂二次电池及其制造方法。 构成：混合聚合物电解质包含掺有多孔聚合物基质的聚合物和锂盐溶解的有机电解质溶液的超微细纤维多孔聚合物基体，其具有直径为1-1000nm的颗粒。 混合聚合物电解质具有电极粘附性好，机械强度高，在低温和高温下性能更好的优点，与锂二次电池的有机电解质的相容性更好，可用于锂二次电池的制造。

    다공성 금속박막이 피복된 탄소전극 및 그 제조방법, 이를이용한 리튬 이차전지
    25.
    发明公开
    다공성 금속박막이 피복된 탄소전극 및 그 제조방법, 이를이용한 리튬 이차전지 失效
    涂有多孔金属薄膜的碳电极，其制备方法和使用电极的锂二次电池

    公开(公告)号：KR1020010082917A

    公开(公告)日：2001-08-31

    申请号：KR1020000008484

    申请日：2000-02-22

    Applicant: 한국과학기술연구원

    Inventor： 윤경석 ,  조병원 ,  조원일 ,  김형선 ,  김운석 ,  남상철 ,  윤영수

    IPC: H01M10/38

    CPC classification number: H01M4/04 ,  H01M4/0402 ,  H01M4/0421 ,  H01M4/0426 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  Y10T428/31678

    Abstract: PURPOSE: A carbon electrode coated with porous metal thin film, its preparation method and a lithium secondary battery using the electrode are provided, to improve the capacity, charge/discharge rate, lifetime of a battery. CONSTITUTION: The carbon electrode is coated with porous metal thin film with the thickness of several Angstrom to several micrometers. The method comprises the steps of placing a carbon electrode roll in a vacuum chamber; unwinding the carbon electrode off the roll and rewinding it round another roll, to coat the carbon electrode by using an evaporated metal between the two rolls; and stabilizing the carbon electrode under vacuum at specific temperature. Preferably the carbon electrode is made of graphite, coke or hard carbon; the porous metal is selected from Li, Al, Sn, Bi, Si, Sb, Ni, Ti, V, Cr, Mn, Fe, Co, Zn, Mo, W, Ag, Au, Pt, Ru, Ir, In and their mixtures; and the stabilization process is carried out under vacuum below 10-1 torr at 20-100 deg.C for 1-24 hours. The lithium secondary battery comprises the carbon electrode; and an anode which is made of LiCoO2, LiMn2O4, LiNiO2, V6O13 or V2O5.

    Abstract translation: 目的：提供涂覆有多孔金属薄膜的碳电极及其制备方法和使用该电极的锂二次电池，以提高电池的容量，充放电率，寿命。 构成：碳电极涂覆有几埃至几微米厚度的多孔金属薄膜。 该方法包括将碳电极辊放置在真空室中的步骤; 将碳电极从辊子上退绕并在另一个辊子上卷绕，通过在两个辊子之间使用蒸发的金属涂覆碳电极; 并在特定温度下在真空下稳定碳电极。 优选地，碳电极由石墨，焦炭或硬碳制成; 多孔金属选自Li，Al，Sn，Bi，Si，Sb，Ni，Ti，V，Cr，Mn，Fe，Co，Zn，Mo，W，Ag，Au，Pt，Ru，Ir，In和 他们的混合物 稳定过程在20-100℃真空下在10-1乇以下进行1-24小时。 锂二次电池包括碳电极; 和由LiCoO 2，LiMn 2 O 4，LiNiO 2，V 6 O 13或V 2 O 5制成的阳极。

    다성분계고체고분자전해질의제조방법및이를이용한리튬고분자전지
    26.
    发明公开
    다성분계고체고분자전해질의제조방법및이를이용한리튬고분자전지 失效
    用于制造多组分固体高分子电解质和锂离子高分子电池的方法

    公开(公告)号：KR1020000003092A

    公开(公告)日：2000-01-15

    申请号：KR1019980024196

    申请日：1998-06-25

    Applicant: 한국과학기술연구원

    Inventor： 윤경석 ,  조병원 ,  조원일 ,  백지흠 ,  김형선 ,  김운석

    IPC: H01M10/05

    CPC classification number: H01M10/0525 ,  H01M4/1391 ,  H01M4/1393 ,  H01M10/0565 ,  H01M10/0585

    Abstract: PURPOSE: A method for manufacturing a multicomponent system solid high molecule electrolyte is provided having an excellent adhesion and a mechanical strength for easily manufacturing a battery. CONSTITUTION: A method for manufacturing a multicomponent system sold high molecule electrolyte comprises: mixing more than one compound selected from a group composes of 5¯90 wt% of a poly-methyl-methacrylate(PMMA) system compound, a poly-acrylonitrile(PAN) system compound, a PVC system compound and a poly-vinylidene fluoride(PVdF) system compound to lower than 80 wt%; mixing a plasticizer and an organic solvent to the PMMA/PAN/PVC/PVdF compound; casting and drying the compound for obtaining a solid high molecule film; and injecting a lithium chloride dissolved organic solvent electrolyte.

    Abstract translation: 目的：提供一种用于制造多组分固体高分子电解质的方法，其具有优异的粘附性和机械强度，用于容易地制造电池。 构成：制造销售高分子电解质的多组分体系的方法包括：混合多于一种选自5-90wt％的聚甲基丙烯酸甲酯（PMMA）体系化合物，聚丙烯腈（PAN） ）系统化合物，PVC系统化合物和聚偏二氟乙烯（PVdF）体系化合物，低于80重量％; 将增塑剂和有机溶剂混合到PMMA / PAN / PVC / PVdF化合物中; 浇铸和干燥该化合物以获得固体高分子膜; 并注入氯化锂溶解的有机溶剂电解质。

    리튬이차전지용 실리콘 음극 물질 및 이의 제조 방법
    28.
    发明公开
    리튬이차전지용 실리콘 음극 물질 및 이의 제조 방법 有权
    用于锂二次电池的硅酮阳极材料及其制备方法

    公开(公告)号：KR1020060117109A

    公开(公告)日：2006-11-16

    申请号：KR1020050039883

    申请日：2005-05-12

    Applicant: 한국과학기술연구원

    Inventor： 김형선 ,  조병원 ,  이중기 ,  조원일 ,  김운석 ,  오시형

    IPC: H01M4/04 ,  H01M4/38 ,  B82Y30/00

    CPC classification number: C01B32/05 ,  C01B33/02 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/386 ,  H01M4/625 ,  Y02E60/12

    Abstract: Provided is a silicon anode active material for a lithium secondary battery, which shows high electroconductivity and low electric resistance, undergoes a reduced change in volume upon charge/discharge, and imparts high output, high capacity and improved lifespan to a lithium secondary battery. The silicon anode active material for a lithium secondary battery is obtained by the method comprising the steps of: mechanically mixing and pulverizing silicon particles and cellulose-like vegetable fibers to allow the surface of the silicon particles to be coated with the vegetable fibers; and heat treating the silicon particles coated with the vegetable fibers under a reductive atmosphere or inert atmosphere to perform carbonization of the surface of the silicon particles. The cellulose-like vegetable fibers are mixed with the silicon particles in a ratio of 0.1-10 per weight of the silicon particles.

    Abstract translation: 本发明提供一种锂二次电池的正极活性物质，其显示高导电性和低电阻，在充放电时体积变化减小，并且对锂二次电池具有高输出，高容量和寿命提高。 锂二次电池用硅负极活性物质是通过以下方法获得的：将硅颗粒和纤维素状植物纤维机械混合和粉碎，以使硅颗粒的表面被植物纤维包覆; 并在还原性气氛或惰性气氛下热处理涂有植物纤维的硅颗粒，以进行硅颗粒表面的碳化。 将纤维素状植物纤维与硅粒子以硅原子重量计为0.1-10的比例混合。

    이차전지의 전극활물질용 탄소복합체 및 그 제조방법,이를 이용한 이차전지
    29.
    发明授权
    이차전지의 전극활물질용 탄소복합체 및 그 제조방법,이를 이용한 이차전지 失效
    用于二次电池的碳复合材料，其制造方法和使用其的二次电池

    公开(公告)号：KR100540181B1

    公开(公告)日：2006-01-12

    申请号：KR1020040040445

    申请日：2004-06-03

    Applicant: 한국과학기술연구원

    Inventor： 이중기 ,  조병원 ,  조원일 ,  우주만 ,  전법주 ,  김운석 ,  김창삼

    IPC: H01M4/583 ,  B82Y30/00

    Abstract: 본 발명은 가스매체로 부유시킨 흑연계 또는 코크스계 탄소입자에 실리콘 전구체 또는 금속염이 용해된 용액을 전기영동방식으로 분사시키면서 건조 및 열분해를 시행한다. 가스매체로 부유된 탄소입자 표면에는 실리콘, 실리콘-금속 또는 실리콘-금속산화물 층이 클러스터 형태로 수십 나노미터 두께로 균일하게 코팅된다. 또한, 코팅된 탄소입자에 추가로 수 ~ 수십 나노미터 두께의 전도성카본층을 균일하게 형성시킬 수 있다. 이에 따라 전도성 및 고율 충방전 특성이 우수하고, 탄소의 이론용량 보다 최소 30%를 상회하는 전극용량을 나타내며, 싸이클 수명이 우수한 리튬이차전지용 음극활물질을 제공할 수 있다.
    가스분산, 전기영동스프레이, 나노코팅, 실리콘, 탄소복합체, 이차전지음극

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