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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
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。
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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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