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公开(公告)号：KR100495674B1
公开(公告)日：2005-06-16
申请号：KR1020030041729
申请日：2003-06-25
Applicant: 한국과학기술연구원
IPC: H01M4/139
Abstract: 본 발명은 기판에 음의 바이어스 전압을 인가하면서 상온에서 상기 기판 상에 양극 활물질을 증착시켜, 열처리 공정을 거치지 않고 결정화된 양극 박막을 형성시키는 것을 특징으로 하는, 전기 화학적 특성이 우수한 전 고상 박막전지용 양극 박막의 제조방법, 이러한 방법으로 제조된 양극 박막 및 이를 이용한 전 고상 리튬 박막전지에 관한 것이다.
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公开(公告)号：KR100490642B1
公开(公告)日：2005-05-19
申请号：KR1020027013106
申请日：2001-01-31
Applicant: 한국과학기술연구원
IPC: H01M10/05
CPC classification number: H01M2/1653 , H01M2/1686 , H01M10/052 , H01M10/056 , H01M10/0565 , H01M2300/0094
Abstract: 본 발명은 다층구조의 고분자 전해질 및 이를 포함하는 리튬이차전지에 관한 것이다. 보다 구체적으로는, 아래의 조성을 포함하는 다층구조의 고분자 전해질 및 이를 포함하는 리튬이차전지에 관한 것이다.
A) 고분자 전해질, PP, PE, PVdF, 부직포 등의 분리막 층,
B) a) PAN계 고분자 5-90 중량%,
b) PVdF계 고분자 및 PMMA계 고분자로 구성되는 군에서 선택되는 고분자 5-80 중량%, 및
c) PVC계 고분자 및 PVdF계 고분자로 구성되는 군에서 선택되는 고분자 5-80중량%로 구성되고, 상기 분리막의 한면 또는 양면에 도포되는 젤상 고분자 전해질층, 및
C) 리튬염이 유기 용매에 용해되어 있는 유기전해액.-
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
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。
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54.发明授权금속이 피복된 탄소 활물질, 이의 제조방법, 및 이를포함하는 금속-탄소 하이브리드 전극 및 리튬이차전지 失效금속이피복된탄소활물질，이의제조방법，및이를포함하금금속 - 탄소하이브드드전극리튬이차전지
公开(公告)号：KR100433822B1
公开(公告)日：2004-06-04
申请号：KR1020020002786
申请日：2002-01-17
Applicant: 한국과학기술연구원
IPC: H01M4/02
CPC classification number: H01M4/587 , C04B35/6268 , C04B35/62805 , C04B35/62807 , C04B35/62813 , C04B35/62818 , C04B35/62821 , C04B35/62826 , C04B35/62842 , C04B35/62897 , C04B41/009 , C04B41/4584 , C04B41/81 , C04B2111/00853 , C04B2235/3201 , C04B2235/3239 , C04B2235/3241 , C04B2235/3262 , C04B2235/3281 , C04B2235/3291 , C04B2235/3293 , C04B2235/3298 , C04B2235/5248 , C23C26/00 , C23C30/00 , H01M4/133 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/624 , H01M10/0525 , Y10T29/49108 , Y10T29/49115 , C04B41/4543 , C04B41/455 , C04B41/5127 , C04B41/5144 , C04B41/5116 , C04B35/52
Abstract: 본 발명은 탄소 활물질의 표면에 금속 또는 금속 산화물의 클러스터 또는 박막 층이 형성된 형태의 리튬이차전지용 음극 활물질, 이의 제조방법, 및 이를 포함하는 금속-탄소 하이브리드 전극 및 리튬이차전지에 관한 것이다. 본 발명의 탄소계 음극 활물질은 기체 유동층 분사 코팅법(Gas Suspension Spray Coating)에 의하여 제조되며, 본 발명에 따라 제조된 신소재 탄소 활물질을 포함하는 전극은 전도성, 고율 충방전 특성 및 싸이클 수명 특성이 우수하고, 이론 용량에 가까운 전극 용량을 나타낸다.
Abstract translation: 一种用于锂二次电池的碳负极活性材料，其制备方法，以及金属 - 碳混合电极和锂二次电池，所述碳负极活性材料包含涂覆在所述碳活性材料表面上的金属或金属氧化物的簇或薄膜层， 一样。 碳活性物质通过气体悬浮喷涂法制备。 包含根据本发明的碳活性材料的电极显示出优异的导电性，高倍率充电/放电特性，循环寿命特性和接近理论值的电极容量。
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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
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。
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Patent Agency Ranking
公开(公告)号：KR1020030039551A
公开(公告)日：2003-05-22
申请号：KR1020010070508
申请日：2001-11-13
Applicant: 한국과학기술연구원
IPC: H01M4/02
Abstract: PURPOSE: A composite electrode, its preparation method, and a lithium battery containing the electrode are provided, to improve the capacity, the cycle lifetime, the charge/discharge efficiency, the stability and the easiness in the manufacture of a lithium battery. CONSTITUTION: The composite electrode comprises a pore at the inside of the electrode comprising a carbon negative electrode and a metal oxide positive electrode; and a gel-type polymer electrolyte formed on the surface of the electrode. Preferably the polymer is at least one selected from the group consisting of a polyvinylidene fluoride-based polymer, poly(methyl methacrylate)-based polymer, a polyacrylonitrile-based polymer, a poly(vinyl chloride)-based polymer, a polyethylene oxide-based polymer and a polyethylene glycol-based polymer; and the metal oxide of the positive electrode is selected from the group consisting of LiCoO2, LiNiO2, LiNiCoO2, LiMn2O4, V2O5, V6O13, MnO2, (CF)n and SOCl2.
Abstract translation: 目的：提供一种复合电极及其制备方法以及含有电极的锂电池，以提高容量，循环寿命，充放电效率，稳定性和制造锂电池的容易性。 构成：复合电极在包含碳负极和金属氧化物正电极的电极内部具有孔， 和形成在电极表面上的凝胶型聚合物电解质。 优选地，聚合物是选自聚偏二氟乙烯基聚合物，聚（甲基丙烯酸甲酯）基聚合物，聚丙烯腈基聚合物，聚（氯乙烯）基聚合物，聚环氧乙烷基聚合物 聚合物和聚乙二醇基聚合物; 正极的金属氧化物选自LiCoO 2，LiNiO 2，LiNiCoO 2，LiMn 2 O 4，V 2 O 5，V 6 O 13，MnO 2，（CF）n和SOCl 2。
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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
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。
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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
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。
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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
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。
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