Abstract:
결정립 크기가 작고 결정립 크기가 매우 균일한 고온 결정상의 LiCoO 2 나노분말이 제공된다. LiCoO 2 나노분말은 Li-Co 아세테이트 전구체에 비활성 가용성 염을 혼합하여 전구체 표면을 개질하고, 표면 개질된 전구체를 열처리하여 얻는다. 이 분말을 양극 물질로 사용하여 제조된 전지는 충,방전 특성이 매우 우수하였다.
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物正电极和集电器负电极的锂一次电池,以提高稳定性,电池容量和能量密度并允许更容易地制造电池 。 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; 集电体负极; 和一个分离器。 集电体是选自由Cu,Ni,Ti和Al组成的组中的金属或选自由Cu,Ni,Ti和Al组成的组中的金属,所述金属被选自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。 优选地,锂金属氧化物选自由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 y O和Li x Ru y组成的组; 并且锂金属复合物选自LixCoPO4,LixFePO4和LixCaCoF6。
Abstract:
PURPOSE: A method for coating a parylene polymer protection layer with good water resistance, heat resistance and chemicals resistance on a plastic card and its coating cartridge are provided, to improve the adhesion strength of the parylene polymer layer to the substrate. CONSTITUTION: The method comprises the steps of optionally washing a plastic card with isopropyl alcohol and highly pure water; optionally coating any one metal selected from the group consisting of Al, Cu, Ni and Pt on the surface of the plastic card; dipping a plastic card into the solution containing xylene and 1-15 wt% of trichlorovinylsilane to pretreat the card; optionally drying the card(substrate) sufficiently; and condensing the pyrolyzed vapor phase parylene monomer on the surface of a substrate to make the parylene polymer be coated on the surface. Also the method comprises the steps of coating a Li thin film on the some part of a plastic card; and condensing the pyrolyzed vapor phase parylene monomer on the surface of a substrate to make the parylene polymer be coated on the surface.
Abstract:
PURPOSE: A lithium electrode combined with a separator membrane in a body and a primary or secondary lithium battery employing the electrode are provided, to improve the capacity of a battery, the charging/discharging efficiency and the lifetime. CONSTITUTION: The lithium electrode is combined with a separator membrane in a body, which one side of the separator membrane is coated with lithium and metals in multilayered structure or composite structure by several to several tens micrometers. The metal is selected from the group consisting of Li, Al, Sn, Bi, Si, Sb, Ni, Cu, Ti, V, Cr, Mn, Co, Zn, Mo, W, Ag, Au, Ru, Pt and their alloys. The separator membrane comprises the material selected from the group consisting of PP, PE, PVdF and nonwoven. The secondary lithium battery comprises the lithium electrode, and a positive electrode active material selected from the group consisting of LiCoO2, LiNiO2, LiNiCoO2, LiMn2O4, V2O5 and V6O13. The primary lithium battery comprises the lithium electrode, and a positive electrode active material selected from the group consisting of MnO2, (CF)n and SOCl2.
Abstract translation:目的:提供一种与体内隔离膜结合的锂电极和使用电极的一次或二次锂电池,以提高电池的容量,充放电效率和使用寿命。 构成:将锂电极与主体中的隔膜结合,隔膜的一侧用多层结构或复合结构的锂和金属涂覆数几十微米。 金属选自Li,Al,Sn,Bi,Si,Sb,Ni,Cu,Ti,V,Cr,Mn,Co,Zn,Mo,W,Ag,Au,Ru,Pt及其 合金。 分离膜包括选自PP,PE,PVdF和非织造材料的材料。 二次锂电池包括锂电极和选自LiCoO 2,LiNiO 2,LiNiCoO 2,LiMn 2 O 4,V 2 O 5和V 6 O 13的正极活性物质。 一次锂电池包括锂电极和选自MnO 2,(CF)n和SOCl 2的正极活性物质。
Abstract:
PURPOSE: A lithium-metal composite electrode, its preparation method and a lithium battery using the electrode are provided, to improve the conductivity of an electrode and to maintain the potential distribution of the surface of an electrode, thereby enhancing the utilization rate, the cycle lifetime and the charge/discharge efficiency of a battery. CONSTITUTION: The lithium-metal composite electrode comprises the mixture of lithium particle or lithium alloy particle and a metal. 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. 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. The method comprises the steps of evaporation-depositing the lithium or lithium alloy and the metal on the current collector simultaneously by using the thin film making technique; and compressing the deposited one with a pressure of 10-100 kg/cm¬2.
Abstract:
PURPOSE: The method is provided to accomplish high capacity, long life, low magnetic discharge rate, improved rapid charge/discharge, and rapid early activation of metallic hydrogen electrode, as well as high capacity and long life of nickel electrode. CONSTITUTION: The method comprises the steps of: (i) adding La compound to AB2 based hydrogen storage alloy to form a hydrogen storage alloy, (ii) immersing the alloy in aqueous solution in which HF and KF are dissolved, to form LaF3 on the surface of the hydrogen storage alloy. The amount of La which is added to the AB2 based hydrogen storage alloy is 1-10 weight%. KF is added to electrolyte, in order to insure fluorination effects continuously.