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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
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。
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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
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。
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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
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。
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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
Abstract: 본발명은에너지밀도가높으나동력밀도와싸이클수명특성이다소저조한리튬이차전지특성과에너지밀도는낮으나출력밀도와싸이클수명특성이우수한슈퍼캐패시터특성을결합하여일체화한새로운개념의하이브리드형슈퍼이차전지제조방법에관한것으로, 본발명에의한하이브리드형슈퍼이차전지는에너지밀도와동력밀도가높고싸이클수명이긴 장점을가지고있다. 또한본 발명에서는이용분야에따라서하이브리드형슈퍼이차전지의구성을달리하여펄스전원용에적합하도록하였다.
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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
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。
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Patent Agency Ranking
公开(公告)号：KR1020000003089A
公开(公告)日：2000-01-15
申请号：KR1019980024193
申请日：1998-06-25
Applicant: 한국과학기술연구원
IPC: H01M10/05
CPC classification number: H01M10/0565 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M10/0525 , H01M10/0585
Abstract: PURPOSE: A solid high molecule electrolyte for lithium high molecule battery is provided to easily make the battery with superior mechanical strength, to offer superior battery efficiency. CONSTITUTION: A production method of solid high molecule electrolyte comprises the steps of: mixing polyacrylonitrile and polyvinylchloride; adding EC-DMC solution where silica is melted, DMA solution; heating for 1hr at 130°C to form a solid high molecule electrolyte matrix; mixing a solid high molecule electrolyte and DMA solution; casting on a copper thin plate to obtain an electrode.
Abstract translation: 目的：提供用于锂高分子电池的固体高分子电解质，以容易地使电池具有优异的机械强度，从而提供优异的电池效率。 构成：固体高分子电解质的制备方法包括以下步骤：将聚丙烯腈与聚氯乙烯混合; 加入二氧化硅熔融的EC-DMC溶液，DMA溶液; 在130℃下加热1小时以形成固体高分子电解质基质; 混合固体高分子电解质和DMA溶液; 铸造在铜薄板上以获得电极。
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公开(公告)号：KR1020000002282A
公开(公告)日：2000-01-15
申请号：KR1019980022955
申请日：1998-06-18
Applicant: 한국과학기술연구원
IPC: H01M10/05
CPC classification number: H01M10/0585 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M10/0525 , H01M10/0565
Abstract: PURPOSE: A manufacturing method for a ternary system solid high molecule electrolyte is provided to improve a adhesive strength, a mechanical strength, and a battery performance such as an electrode capacity and a cycle life span characteristic. CONSTITUTION: A solid high molecule electrolyte is manufactured by; adding a silica and an LiPF6 dissolved Ethylene Carbonate(EC)-Dimethyl Carbonate(DMC) solution and a Dimethyl Aceteamide(DMA) solution to a mixture of a poly acrylonitrile, a poly vinyl chloride, and a poly vinylidene fluoride; mixing and heating the mixture for forming a solid high molecule electrolyte matrix; and casting the mixture. A complex electrode is formed by; mixing the solid high molecule electrolyte and a DMA solution; and casting on a copper thin plate for rolling.
Abstract translation: 目的：提供三元系固体高分子电解质的制造方法，以提高粘合强度，机械强度和电池性能，例如电极容量和循环寿命特性。 固体高分子电解质： 向聚丙烯腈，聚氯乙烯和聚偏二氟乙烯的混合物中加入二氧化硅和LiPF 6溶解的碳酸亚乙酯（EC） - 二甲基碳酸酯（DMC）溶液和二甲基丙酰胺（DMA）溶液; 混合和加热混合物以形成固体高分子电解质基质; 并浇铸混合物。 复合电极由 混合固体高分子电解质和DMA溶液; 并铸造在铜薄板上进行轧制。
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公开(公告)号：KR1020060104164A
公开(公告)日：2006-10-09
申请号：KR1020050026075
申请日：2005-03-29
Applicant: 한국과학기술연구원
IPC: C07D207/08
CPC classification number: C07D295/088
Abstract: 본 발명은 피롤리디늄계 설폰화된 양쪽성 이온 및 그 제조방법, 이를 이용하여 제조된 리튬염 및 그 제조방법, 그리고 이를 함유하는 전해질 조성물 및 상기 전해질 조성물을 포함하여 구성되는 리튬 이차 전지에 관한 것으로서, 보다 상세하게는 하기 화학식 1로 표시되는 리튬 이차전지 전해질용 피롤리디늄계 설폰화된 양쪽성 이온 및 그 제조방법, 이를 이용하여 제조된 하기 화학식 2로 표시되는 리튬 이차전지 전해질용 리튬염 및 그 제조방법, 그리고 이를 함유하는 리튬 이차전지용 전해질 조성물 및 상기 전해질 조성물을 포함하여 구성되는 리튬 이차 전지에 관한 것이다.
본 발명의 상기 양쪽성 이온은 열적 및 전기화학적으로 안정하므로, 이를 이용하여 제조된 리튬염은 종래의 리튬염 보다 낮은 흡습성을 가지며, 강한 열적 안정성 및 전기화학적 안정성을 나타내며, 이온성 액체와 함께 또는 단독으로 유기용매에 용해하였을 경우 우수한 전도도 및 전기화학적 안정성을 나타내므로, 리튬 이차 전지용 전해질 조성물에 리튬염으로 효과적으로 사용할 수 있다.
[화학식 1]
(상기 화학식 1에서,
n은 3 또는 4인 정수이고,
R은 메틸, 에틸, 프로필, 부틸, 펜틸, 헥실, 메틸에스터, 에틸에스터, 메틸 메틸카보네이트, 메틸 에틸카보네이트, 메틸 프로필카보네이트, 에틸 에틸카보네이트 또는 비닐기임).
[화학식 2]
(상기 화학식 2에서,
n은 3 또는 4인 정수이고,
R은 메틸, 에틸, 프로필, 부틸, 펜틸, 헥실, 메틸에스터, 에틸에스터, 메틸 메틸카보네이트, 메틸 에틸카보네이트, 메틸 프로필카보네이트, 에틸 에틸카보네이트 또는 비닐기이고,
X는 나이트레이트, 과염소산, 아세테이트, 트리플루오로아세테이트, 트리플루오로메탄설포네이트, 비스(트리플루오로메탄설포닐)이미드, 테트라플루오로보레이트 또는 헥사플루오로포스페이트임).
리튬염, 양쪽성 이온, 리튬 이차 전지, 전해질, 이온성 액체-
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.
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