리튬 이차전지용 음극 재료의 제조 방법 및 이러한 제조 방법에 따라 제조된 리튬 이차전지용 음극 재료
    2.
    发明授权
    리튬 이차전지용 음극 재료의 제조 방법 및 이러한 제조 방법에 따라 제조된 리튬 이차전지용 음극 재료 有权
    合成锂二次电池用负极材料和锂二次电池用负极材料的工艺

    公开(公告)号:KR101534870B1

    公开(公告)日:2015-07-08

    申请号:KR1020090111690

    申请日:2009-11-18

    Abstract: 본발명은리튬이차전지용음극재료및 그제조방법에관한것으로, 공침법을이용하여다양한인산염계(SnPO, TiPO, LiTi(PO), MnPO, MnPO, Mn(PO)LiMn(PO)) 전극재료를저가의비용으로짧은시간내에간단히합성할수 있는제조방법을제시하고자한다. 상기합성방법은증류수에전이금속화합물, 다중산인산염계화합물및 리튬계화합물용액을혼합한혼합용액을제조하고, 상기혼합용액을단순건조시킨후, 낮은온도(~ 500 ℃미만) 짧은시간동안열처리하여나노결정구조를갖는결과물을얻어내는것을특징으로한다. 기존의합성방법인고상고온법, 졸겔법등은높은온도(800 ℃이상)와장시간(12시간이상)의열처리공정을통하여합성하기때문에나노크기의입자를제어하기에어려움이많지만, 본발명에따른공침법이용하면저온열처리공정을통하여나노크기의인산화물및 그들의복합체구조를갖는전극재료를합성할수 있다는이점을제공한다. 또한, 본발명에의해합성된나노전극재료는결정성이우수하고, 입자들이균일하며(합성조건을통하여입자크기제어가능), 그직경이 50 ~ 300nm인나노구조를갖게되는이점이있다. 또한, 초기방전용량이높고, 충방전의횟수가많더라도방전용량이크게저하되지않는등 전기화학적으로안정한특성을갖는효과를제공한다.

    리튬 이차전지용 음극활물질 복합체 및 이를 이용한 리튬 이차전지 제조 방법
    3.
    发明授权

    公开(公告)号:KR101117967B1

    公开(公告)日:2012-02-16

    申请号:KR1020090098810

    申请日:2009-10-16

    Abstract: 본 발명은 리튬 이차전지용 음극활물질 복합체 및 이를 이용한 리튬 이차전지 제조 방법에 관한 것으로서, 더욱 상세하게는 리튬 이차전지용 음극활물질에서의 비가역 방전용량 문제를 해결할 수 있도록 한 리튬 이차전지용 음극활물질 복합체 및 이를 이용한 리튬 이차전지 제조 방법에 관한 것이다.
    즉, 본 발명은 기존 비가역 방전용량이 심한 음극활물질(흑연계, 실리콘계, 합금계, 산화물계, 인산화물, 칼코젠나이드 화합물 등)과 리튬이온에 대한 이온전도성이 우수한 질화리튬(Li
    3 N)에 전기전도성을 부여하기 위하여 전이금속원자(M: Co, Ni, Ti, Mn, Cr, Fe, Cu, Zn, V 등)를 첨가한 질화전이금속리튬 화합물(Li
    3-x M
    x N : M = Co, Ni, Ti, Mn, Cr, Fe, Cu, Zn, V)을 적절한 비율로 혼합(blending)하여, 리튬 이차전지용 음극활물질에서 발생하는 비가역 방전용량 문제점을 해결하고자 한 리튬 이차전지용 음극활물질 복합체 및 이를 이용한 리튬 이차전지 제조 방법을 제공하고자 한 것이다.
    리튬, 이차전지, 음극활물질, 양극, 전해질, 질화리튬, 전이금속원자, 질화 전이금속 리튬 화합물, 인산화물

    급속 충방전이 가능한 리튬 이차전지용 고용량 음극소재 및 그 제조 방법
    4.
    发明公开
    급속 충방전이 가능한 리튬 이차전지용 고용량 음극소재 및 그 제조 방법 有权
    用于锂二次电池的高容量和高容量的阳极材料及其合成方法

    公开(公告)号:KR1020110062293A

    公开(公告)日:2011-06-10

    申请号:KR1020090118971

    申请日:2009-12-03

    CPC classification number: C01G23/005 C01P2002/72 C01P2006/40

    Abstract: PURPOSE: A process for manufacturing a negative electrode material with high capability for a lithium secondary battery is provided to obtain Li4Ti5O12 nanoparticles without separate heat treatment using a solvent heat sythesis method. CONSTITUTION: A process for manufacturing a negative electrode material including Li4Ti5O12 as a transition metal oxide having a nanocrystalline structure comprises the steps of: preparing a mixed solution in which a titanium-based compound and a lithium-based compound solution in a polyol solvent; performing the reaction of the mixed solution in a container in which Teflon is lined at a constant temperature; and cooling the resultant at room temperature, washing the lithium titanium oxide precipitate, filtering the washed material, and drying the filtered materil.

    Abstract translation: 目的:提供一种用于锂二次电池的高性能负极材料的制造方法,以获得Li4Ti5O12纳米粒子,而不用使用溶剂热合成法进行单独的热处理。 构成:包括具有纳米晶体结构的过渡金属氧化物的Li 4 Ti 5 O 12负极材料的制造方法包括以下步骤:制备其中在多元醇溶剂中钛基化合物和锂基化合物溶液的混合溶液; 将混合溶液在恒温下排列在特氟隆的容器中进行反应; 并在室温下冷却,洗涤锂二氧化钛沉淀物,过滤洗过的物料,并干燥过滤的物质。

    리튬 이차전지용 음극 재료의 제조 방법 및 이러한 제조 방법에 따라 제조된 리튬 이차전지용 음극 재료
    6.
    发明公开
    리튬 이차전지용 음극 재료의 제조 방법 및 이러한 제조 방법에 따라 제조된 리튬 이차전지용 음극 재료 有权
    用于锂二次电池的负极电极材料的合成方法和用于具有相同工艺的锂二次电池的负极电极材料

    公开(公告)号:KR1020110054888A

    公开(公告)日:2011-05-25

    申请号:KR1020090111690

    申请日:2009-11-18

    Abstract: PURPOSE: A process for manufacturing a negative electrode material for a lithium secondary battery is provided to manufacture various phosphate-based negative electrode materials without thermal process of high temperature and to reduce the time required for whole process. CONSTITUTION: A process for manufacturing a negative electrode material for a lithium secondary battery includes the steps of: mixing transition metal compounds dissolved in distilled water with poly acid phosphate-based compounds to prepare a mixed solution; stirring the mixed solution to prepare a precipitate by a co-precipitation method; drying the precipitate to a temperature of 50-80 °C; and heat-treating the dried material at a temperature of 300-500 °C.

    Abstract translation: 目的:提供一种锂二次电池用负极材料的制造方法,可以制造不含高温热处理的各种磷酸系负极材料,能够缩短整个工序所需的时间。 构成:用于制造锂二次电池用负极材料的方法包括以下步骤:将溶解在蒸馏水中的过渡金属化合物与聚酸式磷酸酯类化合物混合以制备混合溶液; 搅拌混合溶液,通过共沉淀法制备沉淀物; 将沉淀物干燥至50-80℃的温度; 并在300-500℃的温度下对干燥的材料进行热处理。

    리튬 이차전지용 음극활물질 복합체 및 이를 이용한 리튬 이차전지 제조 방법
    7.
    发明公开

    公开(公告)号:KR1020110041813A

    公开(公告)日:2011-04-22

    申请号:KR1020090098810

    申请日:2009-10-16

    Abstract: PURPOSE: A negative active material composite for a lithium rechargeable battery is provided to prevent the generation of severe irreversible discharge capacity in initial charge-discharging, thereby preventing the degradation of capacity and performance of the lithium rechargeable battery. CONSTITUTION: A negative active material composite for a lithium rechargeable battery is formed by mixing a nitrate transition metal lithium compound into a negative active material with severe irreversible discharge capacity in a proper ratio, wherein the nitrate transition metal lithium compound is formed by adding transition metal atom for imparting electroconductivity to lithium nitride(Li3N). The negative active material composite for a lithium rechargeable battery is configured to reduce an initial irreversible generation capacity.

    Abstract translation: 目的:提供一种用于锂可再充电电池的负极活性材料复合材料,以防止在初始充电放电中产生严重的不可逆放电容量,从而防止锂可充电电池的容量和性能的劣化。 构成:通过将硝酸盐过渡金属锂化合物以适当的比例将硝酸盐过渡金属锂化合物与具有严重不可逆放电容量的负极活性物质混合形成,其中通过添加过渡金属形成硝酸盐过渡金属锂化合物 用于赋予氮化锂(Li 3 N)导电性的原子。 用于锂可再充电电池的负极活性材料复合物被配置为降低初始不可逆发电量。

    리튬이차전지의 양극 물질 및 그 제조 방법
    8.
    发明公开
    리튬이차전지의 양극 물질 및 그 제조 방법 无效
    锂离子电池的阴极材料及其制备方法

    公开(公告)号:KR1020090019590A

    公开(公告)日:2009-02-25

    申请号:KR1020070084140

    申请日:2007-08-21

    Abstract: A cathode material of a lithium-ion battery and a manufacturing method thereof is provided to realize high-capacity while suppressing transition to a spinel phase by bonding oxygen through the partial substitution of transition metal having low valent metal in a LiM'M''O3 structure, or model metal. A method for manufacturing a cathode material of a lithium secondary battery comprises (S110) a step for manufacturing a lithium precursor, M' precursor and M'' precursor by dissolving the lithium precursor, M' precursor and M'' precursor in distilled water respectively; (S120) a step for manufacturing the M'M'' precursor solution by adding M'' precursor solution in M' precursor; (S130) a step for manufacturing the lithium M'M'' precursor solution by adding the lithium precursor solution in the M'M'' precursor solution; (S140) a step for agitating the lithium M'M'' precursor solution; (S150) a step for obtaining parent powder by putting the agitated lithium M'M'' precursor solution in an oven, and evaporating water from the M'M'' precursor solution; (S160) a step for pulverizing the parent powder and to heating it to the first temperature in the atmosphere; (S170) a step for heating the parent powder at the second temperature higher than the first temperature and cooling it; and (S180) a step for obtaining a cathode material of a lithium secondary battery by washing the cooled parent powder with distilled water and drying the washed parent powder.

    Abstract translation: 提供锂离子电池的正极材料及其制造方法,通过在LiM'M'O3中部分取代低价金属的过渡金属,通过键合氧而抑制向尖晶石相的转变,实现高容量 结构或模型金属。 锂二次电池的正极材料的制造方法包括:(S110)分别将锂前体,M'前体和M'前体分别溶解在蒸馏水中的锂前体,M'前体和M“前体的制造工序 ; (S120)通过在M'前体中添加M前体溶液来制造M'M前体溶液的步骤; (S130)通过在M'M前体溶液中添加锂前体溶液来制造M'M前体溶液的步骤; (S140)搅拌所述锂M'M前体溶液的步骤; (S150)通过将搅拌的M'M'M前体溶液置于烘箱中并从M'M前体溶液中蒸发水来获得母体粉末的步骤; (S160)将母体粉末粉碎并将其加热到大气中的第一温度的步骤; (S170)在高于第一温度的第二温度下加热母体粉末并冷却的步骤; 和(S180)通过用蒸馏水洗涤冷却的母体粉末并干燥洗涤的母体粉末来获得锂二次电池的阴极材料的步骤。

    리튬이차전지의 양극 물질 및 그 제조 방법
    10.
    发明公开
    리튬이차전지의 양극 물질 및 그 제조 방법 无效
    锂离子电池的阴极材料及其制备方法

    公开(公告)号:KR1020090019887A

    公开(公告)日:2009-02-25

    申请号:KR1020090008631

    申请日:2009-02-03

    Abstract: A cathode material of a lithium secondary battery and a manufacturing method thereof are provided to realize high-capacity while suppressing transition to a spinel phase during several times cycle process through the partial substitution of transition metal having low valent metal in a LiM'M"O3 structure, or model metal. A method for manufacturing a cathode material of a lithium secondary battery comprises (S110) a step for obtaining a lithium precursor, M' precursor and M'' precursor by dissolving the lithium precursor, M' precursor and M'' precursor in distilled water respectively; (S120) a step for obtaining the M'M'' precursor solution by adding M'' precursor solution in M' precursor; (S130) a step for obtaining the lithium M'M'' precursor solution by adding the lithium precursor solution in the M'M'' precursor solution; (S140) a step for agitating the lithium M'M'' precursor solution; (S150) a step for obtaining parent powder by putting the agitated lithium M'M'' precursor solution in an oven, and evaporating water from the M'M'' precursor solution; (S160) a step for pulverizing the parent powder and to heating it to the first temperature in the atmosphere; (S170) a step for heating the parent powder at the second temperature higher than the first temperature and cooling it; and (S180) a step for obtaining a cathode material of a lithium secondary battery by washing the cooled parent powder with distilled water and drying the washed parent powder.

    Abstract translation: 提供锂二次电池的正极材料及其制造方法,通过在LiM'M“O 3中部分取代低价金属的过渡金属,在几次循环过程中抑制向尖晶石相的转变,实现高容量 锂二次电池的正极材料的制造方法包括:(S110)通过将锂前体,M'前体和M'前体溶解来获得锂前体,M'前体和M“前体的工序, (S120)通过在M'前体中添加M前体溶液来获得M'M前体溶液的步骤(S130)获得M'M前体溶液的步骤 通过在M'M前体溶液中加入锂前体溶液;(S140)搅拌M'M前体溶液的步骤;(S150)通过将搅拌的锂M'M “前体解决方案 n,并从M'M'前体溶液蒸发水; (S160)将母体粉末粉碎并将其加热到大气中的第一温度的步骤; (S170)在高于第一温度的第二温度下加热母体粉末并冷却的步骤; 和(S180)通过用蒸馏水洗涤冷却的母体粉末并干燥洗涤的母体粉末来获得锂二次电池的阴极材料的步骤。

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