公开(公告)号：KR100528455B1

公开(公告)日：2005-11-15

申请号：KR1020040019013

申请日：2004-03-19

Applicant: 한국과학기술연구원

Inventor： 조원일 ,  조병원 ,  오시형 ,  김형선 ,  정운태 ,  이중기 ,  우경자

IPC: H01M4/04

Abstract: 본 발명은 원료물질로서 불용성 리튬화합물과 불용성 금속화합물을 산용액에 용해하여 혼합용액을 준비하고; 상기 혼합용액의 용매를 제거하여 균질한 건조체를 형성하고; 상기 건조체를 500 ~ 1500
o C의 범위의 온도에서 열처리하는 단계를 포함하여 구성되는 리튬이차전지 양극 활성 물질용 리튬금속산화물 제조방법 및 이에 따라 제조되는 리튬금속산화물, 이를 이용한 리튬이차전지를 제공한다.

公开(公告)号：KR1020050001542A

公开(公告)日：2005-01-07

申请号：KR1020030041729

申请日：2003-06-25

Applicant: 한국과학기술연구원

Inventor： 조원일 ,  조병원 ,  김형선 ,  오시형 ,  김현중 ,  박호영 ,  이영재

IPC: H01M4/139

Abstract: PURPOSE: A positive electrode thin film for an all solid lithium thin film battery, its preparation method and an all solid lithium thin film battery containing the positive electrode thin film are provided, to improve electrochemical properties without heating process. CONSTITUTION: The positive electrode thin film is prepared by vapor depositing a positive electrode active material at a room temperature with impressing a negative bias voltage of 0 V to -70 V (except 0 V) by using a radio-frequency power supply device to a substrate, to form a crystallized positive electrode thin film on the substrate. Preferably the substrate is a silicon substrate, glass, a polymer or a metal substrate with a low melting point; and the positive electrode active material is a composite oxide of lithium and a transition metal. Preferably the positive electrode thin film has an initial discharge capacity of 63 μAh/cm2·μ m and a discharge capacity of 30 μAh/cm2·μm at about 65-300 cycle, and has a microcrystalline structure having a thickness of 200-500 nm and a size of 5-30 nm.

Abstract translation: 目的：提供一种全固体锂薄膜电池的正极薄膜及其制备方法和含有正极薄膜的全固体锂薄膜电池，以提高电化学性能，无需加热工艺。 构成：正电极薄膜是通过在室温下蒸镀正极活性物质，通过使用射频电源装置施加0V至-70V的负偏压（0V除外）来制备的。 在基板上形成结晶化的正极薄膜。 优选地，所述衬底是具有低熔点的硅衬底，玻璃，聚合物或金属衬底; 正极活性物质是锂和过渡金属的复合氧化物。 优选的是，正极薄膜的初期放电容量为63μAh/ cm 2·μm，放电容量为约30〜300μA/ cm，约为65-300次，具有厚度为200〜500nm的微晶结构 尺寸为5-30nm。

公开(公告)号：KR1020030075365A

公开(公告)日：2003-09-26

申请号：KR1020020014542

申请日：2002-03-18

Applicant: 한국과학기술연구원

Inventor： 조병원 ,  조원일 ,  김형선 ,  김현중

IPC: H01M10/05

CPC classification number: H01M10/0585 ,  A41D19/01547 ,  H01M2/0222 ,  H01M10/052 ,  H01M10/0565

Abstract: PURPOSE: A coin-type lithium polymer battery is provided, to improve the capacity, the cycle lifetime characteristic and the stability of the battery and to allow the battery to be manufactured easily. CONSTITUTION: The coin-type lithium polymer battery comprises a laminate formed by laminating a negative electrode(21) whose both sides are adhered to a polymer electrolyte(23) and positive electrode(22) whose both sides are adhered to a polymer electrolyte(23), separately or together. The polymer electrolyte(23) is a gel-type polymer electrolyte containing an organic solvent electrolyte or a porous polymer membrane containing an organic solvent electrolyte. Preferably the gel-type polymer electrolyte is at least one selected from the group consisting of a polyacrylonitrile-based polymer, a polyvinylidene fluoride-based polymer, a polymethyl methacrylate-based polymer, a polyethylene oxide-based polymer, a polyethylene glycol-based polymer, a polyethylene glycol diacrylate-based polymer, a polyethylene glycol dimethacrylate-based polymer and a polyethylene glycol trimethacrylate-based polymer; and the porous polymer membrane is at least one selected from the group consisting of a polyvinylidene fluoride-based porous polymer, a polyvinylidene chloride-based porous polymer and a polyacrylonitrile-based porous polymer.

Abstract translation: 目的：提供一种硬币型锂聚合物电池，以提高电池的容量，循环寿命特性和电池的稳定性，并容易地制造电池。 构成：硬币型锂聚合物电池包括通过层叠其两面粘附到聚合物电解质（23）上的负极（21）和两侧粘附到聚合物电解质（23）上的正极（22）而形成的层压体 ），单独或一起。 聚合物电解质（23）是包含有机溶剂电解质或含有有机溶剂电解质的多孔聚合物膜的凝胶型聚合物电解质。 优选地，凝胶型聚合物电解质是选自聚丙烯腈系聚合物，聚偏二氟乙烯系聚合物，聚甲基丙烯酸甲酯系聚合物，聚环氧乙烷系聚合物，聚乙二醇系聚合物 ，基于聚乙二醇二丙烯酸酯的聚合物，聚乙二醇二甲基丙烯酸酯基聚合物和聚乙二醇三甲基丙烯酸酯基聚合物; 多孔聚合物膜是选自聚偏二氟乙烯类多孔质聚合物，聚偏二氯乙烯类多孔质聚合物和聚丙烯腈系多孔质聚合物中的至少一种。

公开(公告)号：KR1020030031664A

公开(公告)日：2003-04-23

申请号：KR1020010063409

申请日：2001-10-15

Applicant: 한국과학기술연구원

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

IPC: C23C22/00

CPC classification number: A61C8/0015 ,  A61K6/0235

Abstract: PURPOSE: A surface treatment method of forming a porous oxide coating film having superior biocompatibility with bone, chemical and physical stabilities, uniformed pore distribution, expanded pore size and smooth surface characteristics on the surface of implants comprising metallic titanium or titanium alloys is provided. CONSTITUTION: The electrochemical surface treatment method of implants comprising metallic titanium or titanium alloys comprises the processes of pre-treating the surface of implants comprising metallic titanium or titanium alloys; forming an oxide coating film on the surface of the implants by electrochemically oxidizing the pre-treated implants; and post-treating the formed oxide coating film with an acid or alkaline aqueous solution to obtain uniformed pore distribution, wherein the pre-treatment process comprises the steps of degreasing the implants using acetone or alcohol; water washing the implants taken out of the aqueous solution by taking the implants out of the aqueous solution after dipping the degreased implants into a NaOH aqueous solution or KOH aqueous solution having a concentration of 30 g/liter at 80 deg.C for 5 minutes, pickling the water washed implants in a solution comprising 15 mL of concentrate nitric acid having a concentration of 61 wt.%, 3 mL of hydrofluoric acid having a concentration of 49 wt.% and 82 mL of distilled water at an ordinary temperature for 5 minutes, and washing the implants with distilled water for 10 minutes.

Abstract translation: 目的：提供一种表面处理方法，其形成与骨的生物相容性优异，化学和物理稳定性，均匀的孔分布，扩大的孔径和在包含金属钛或钛合金的植入物的表面上的光滑表面特性的多孔氧化物涂膜。 构成：包含金属钛或钛合金的植入物的电化学表面处理方法包括预处理包含金属钛或钛合金的植入物表面的方法; 通过电化学氧化预处理的植入物在植入物的表面上形成氧化膜; 并用酸或碱性水溶液对形成的氧化物涂膜进行后处理以获得均匀的孔分布，其中预处理方法包括使用丙酮或醇对植入物进行脱脂的步骤; 在将脱脂植入物浸入浓度为30g /升的NaOH水溶液或KOH水溶液中，在80℃下浸渍5分钟后，将从水溶液中取出的植入物从水溶液中洗涤， 将含有浓度为61重量％的15mL浓缩硝酸，浓度为49重量％的3mL氢氟酸和82mL蒸馏水在常温下浸渍5分钟的溶液酸洗水洗种植体 ，并用蒸馏水清洗植入物10分钟。

公开(公告)号：KR1020030014263A

公开(公告)日：2003-02-15

申请号：KR1020027016795

申请日：2000-06-12

Applicant: 한국과학기술연구원

Inventor： 윤경석 ,  조병원 ,  조원일 ,  김형선 ,  윤영수 ,  김운석 ,  남상철 ,  임영창 ,  최창훈 ,  박호영

IPC: H01M4/02

Abstract: PURPOSE: A lithium electrode, method for manufacturing the same and lithium battery using the same is provided to improve electrode capacity and lengthen useful life of the battery, while achieving improved charging/discharging characteristics. CONSTITUTION: A lithium electrode(100) comprises a lithium layer or a lithium alloy layer(101a) having a thickness of 10Å to 100μm, and which is formed on a battery current collector(103); and a porous metal layer or a porous carbon layer(102a) having a thickness of 1Å to 10μm, and which is formed on the lithium layer or the lithium alloy layer. The lithium alloy layer is made of an alloy formed of a lithium and a metal selected from a group consisting of Al, Sn, Bi, Si, Sb, B and alloy thereof. The porous metal layer is made of a metal selected from a group consisting of Ni, Cu, Ti, V, Cr, Mn, Fe, Co, Zn, Mo, W, Ag, Au, Ru, Pt, lr, Al, Sn, Bi, Si, Sb and alloy thereof.

Abstract translation: 目的：提供锂电极及其制造方法以及使用该锂电极的锂电池，以提高电极容量并延长电池的使用寿命，同时实现改善的充电/放电特性。 构成：锂电极（100）包括厚度为10〜100μm的锂层或锂合金层（101a），形成在电池集电体（103）上。 以及形成在锂层或锂合金层上的多孔金属层或多孔碳层（102a），其厚度为1μm至10μm。 锂合金层由选自Al，Sn，Bi，Si，Sb，B及其合金中的锂和金属的合金构成。 多孔金属层由选自Ni，Cu，Ti，V，Cr，Mn，Fe，Co，Zn，Mo，W，Ag，Au，Ru，Pt，lr，Al，Sn ，Bi，Si，Sb及其合金。

公开(公告)号：KR1020030005255A

公开(公告)日：2003-01-17

申请号：KR1020027013107

申请日：2001-01-31

Applicant: 한국과학기술연구원

Inventor： 윤경석 ,  조병원 ,  조원일 ,  김형선 ,  김운석 ,  이희우 ,  김용태

IPC: H01M10/05

CPC classification number: H01M10/0565 ,  H01M2/1653 ,  H01M2/1686 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/056 ,  H01M2300/0094

Abstract: PURPOSE: A UV curing multi-layered polymer electrolyte and a lithium secondary battery containing the electrolyte are provided, to improve the adhesive strength, the mechanical properties, the low and high temperature characteristics, the high rate discharge capacity, the lifetime, the capacity and the stability of a battery. CONSTITUTION: The electrolyte comprises a separation membrane layer, a UV curing polymer layer and an organic electrolyte solution which is prepared by dissolving a lithium salt into an organic solvent. The separation membrane layer is made of a polymer electrolyte, polypropylene, polyethylene polyvinylidene fluoride or non-woven; the UV curing polymer layer comprises the polymer obtained by UV curing the ethylene glycol di(meth)acrylate oligomer represented by the formula CH2=CR1COO(CH2CH2O)nCOCR2=CH2(wherein R1 and R2 are independent each other and are H or methyl group and n is an integer of 3-20), and the polymer selected from the group consisting of a polyvinylidene fluoride-based polymer, a polyacrylonitrile-based polymer, a poly(methyl methacrylate)-based polymer, a poly(vinyl chloride)-based polymer and their mixtures. Preferably the lithium salt is selected from the group consisting of LiPF6, LiClO4, LiAsF6, LiBF4, LiCF3SO3, Li(CF3SO2)2N and their mixtures; and the organic solvent is selected from the group consisting of ethylene carbonate, propylene carbonate, diethyl carbonate, dimethyl carbonate, ethylmethyl carbonate and their mixtures.

Abstract translation: 目的：提供紫外线固化多层聚合物电解质和含有电解质的锂二次电池，以提高粘合强度，机械性能，低温和高温特性，高放电容量，使用寿命，容量和 电池的稳定性。 构成：电解质包括通过将锂盐溶解在有机溶剂中制备的分离膜层，UV固化聚合物层和有机电解质溶液。 分离膜层由聚合物电解质，聚丙烯，聚偏二氟乙烯或无纺布制成。 UV固化聚合物层包含通过紫外线固化由式CH 2 = CR 1 COO（CH 2 CH 2 O）n COCR 2 = CH 2表示的乙二醇二（甲基）丙烯酸酯低聚物获得的聚合物（其中R 1和R 2彼此独立且为H或甲基， n为3-20的整数），选自聚偏二氟乙烯系聚合物，聚丙烯腈系聚合物，聚甲基丙烯酸甲酯系聚合物，聚（氯乙烯）系聚合物 聚合物及其混合物。 优选锂盐选自LiPF 6，LiClO 4，LiAsF 6，LiBF 4，LiCF 3 SO 3，Li（CF 3 SO 2）2 N及其混合物; 有机溶剂选自碳酸亚乙酯，碳酸亚丙酯，碳酸二乙酯，碳酸二甲酯，碳酸甲乙酯及其混合物。

公开(公告)号：KR1020020094530A

公开(公告)日：2002-12-18

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：提供涂覆有金属的集电体，使用集电体的电极和含有电极的锂电池，以提高导电性并使电极表面上的电位分布保持均匀，从而提高利用率 电池的速率和循环特性以及电池的充放电特性。 构成：集电器是箔，冲压箔，膨胀箔或由铜，镍，铝或钛制成的多孔板，并且其两面均匀地涂覆有数nm至数μm的厚度的金属。 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。 电极包括通过用锂将集电体涂布而制成的锂电极; 碳涂层碳电极; 和金属化合物涂覆的金属化合物电极。 锂电池包括根据电极的阴极和阳极; 聚丙烯或聚乙烯分离膜; 和聚合物电解质或固体电解质。

公开(公告)号：KR1020020093537A

公开(公告)日：2002-12-16

申请号：KR1020010032339

申请日：2001-06-09

Applicant: 한국과학기술연구원

Inventor： 조병원 ,  조원일 ,  김형선 ,  김운석 ,  박호영

IPC: H01M6/12

CPC classification number: F02M29/04

Abstract: PURPOSE: A lithium primary battery comprising a lithium metal oxide or lithium metal composite positive electrode and a current collector negative electrode is provided, to improve the stability, the capacity of a battery and the energy density and to allow a battery to be made more easily. CONSTITUTION: The lithium primary battery comprises a positive electrode containing lithium metal oxide or lithium metal composite; a current collector negative electrode; and a separator. The current collector is a metal selected from the group consisting of Cu, Ni, Ti and Al, or the metal selected from the group consisting of Cu, Ni, Ti and Al which is coated with the metal selected from the group consisting of Ni, Cu, Ti, V, Cr, Mn, Fe, Co, Zn, Mo, W, Ag, Au, Ru, Pt, Ir, Li, Al, Sn, Bi, Sb and their alloy. Preferably the lithium metal oxide is selected from the group consisting of Li(1+x)CoO2, Li(1+x) NiCoO2, Li(1+x)Mn2O4, Li(1+x)MNO2, LIxVOy and LixRuOY; and the lithium metal composite is selected from the group consisting of LixCoPO4, LixFePO4 and LIxCaCoF6.

Abstract translation: 目的：提供一种包含锂金属氧化物或锂金属复合正极和集电极负极的锂一次电池，以提高电池的稳定性，电池容量和能量密度，并且能够更容易地制造电池 。 构成：锂一次电池包含含锂金属氧化物或锂金属复合物的正极; 集电极负极; 和分隔符。 集电体是选自Cu，Ni，Ti和Al的金属，或选自Cu，Ni，Ti和Al的金属，其被选自Ni， Cu，Ti，V，Cr，Mn，Fe，Co，Zn，Mo，W，Ag，Au，Ru，Pt，Ir，Li，Al，Sn，Bi，Sb及其合金。 优选锂金属氧化物选自Li（1 + x）CoO 2，Li（1 + x）NiCoO 2，Li（1 + x）Mn 2 O 4，Li（1 + x）MNO 2，Li x V O y和Li x Ru O y; 锂金属复合物选自LixCoPO 4，LixFePO 4和Li x CaCoF 6。

公开(公告)号：KR100281828B1

公开(公告)日：2001-02-15

申请号：KR1019990001183

申请日：1999-01-16

Applicant: 한국과학기술연구원

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

IPC: H01M10/04 ,  B82Y30/00

Abstract: 본발명은에너지밀도가높으나동력밀도와싸이클수명특성이다소저조한리튬이차전지특성과에너지밀도는낮으나출력밀도와싸이클수명특성이우수한슈퍼캐패시터특성을결합하여일체화한새로운개념의하이브리드형슈퍼이차전지제조방법에관한것으로, 본발명에의한하이브리드형슈퍼이차전지는에너지밀도와동력밀도가높고싸이클수명이긴 장점을가지고있다. 또한본 발명에서는이용분야에따라서하이브리드형슈퍼이차전지의구성을달리하여펄스전원용에적합하도록하였다.

公开(公告)号：KR1020000050974A

公开(公告)日：2000-08-05

申请号：KR1019990001183

申请日：1999-01-16

Applicant: 한국과학기술연구원

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

IPC: H01M10/04 ,  B82Y30/00

Abstract: PURPOSE: A hybrid-type super secondary battery which is manufactured by engaging a secondary lithium battery and a super capacitor is provided to improve the high rate pulse discharging characteristics, the low temperature characteristics, and the cycle life characteristics of a battery by engaging a secondary lithium battery and a super capacitor. CONSTITUTION: A hybrid type super secondary battery which is manufactured by engaging a secondary lithium battery and a super capacitor comprises a lithium ion battery, an insulating polymer layer, and a super capacitor. According to the hybrid type secondary battery, the high rate pulse discharging characteristics, the low temperature characteristics, and the cycle life characteristics of the battery are improved by engaging a secondary lithium battery and a super capacitor.

Abstract translation: 目的：提供通过使二次锂电池和超级电容器接合制造的混合型超级二次电池，以通过使二次电池与超级电容器接合来提高电池的高速率脉冲放电特性，低温特性和循环寿命特性 锂电池和超级电容器。 构成：通过接合二次锂电池和超级电容器制造的混合型超级二次电池包括锂离子电池，绝缘聚合物层和超级电容器。 根据混合型二次电池，通过使二次锂电池和超级电容器接合，提高了电池的高速率脉冲放电特性，低温特性和循环寿命特性。