탄소 코팅된 양극 활물질 제조방법
    2.
    发明申请
    탄소 코팅된 양극 활물질 제조방법 审中-公开
    生产碳涂阳极电极活性材料的方法

    公开(公告)号:WO2014088257A1

    公开(公告)日:2014-06-12

    申请号:PCT/KR2013/010881

    申请日:2013-11-28

    CPC classification number: H01M4/583 H01M4/366

    Abstract: 양극 활물질의 제조방법이 개시된다. 양극 활물질을 제조하기 위하여 폴리올 용매에 원료물질들을 혼합하여 반응 용액을 제조하고, 이를 연소시켜 제1 양극 활물질 분말을 제조한다. 이어서, 제1 양극 활물질 분말을 가연성 유기 용액으로 피복한 후 이를 연소시켜 제2 양극 활물질 분말을 제조한다. 이와 같은 방법으로 제조된 양극 활물질은 향상된 용량 및 결정성을 갖는다.

    Abstract translation: 公开了一种正极活性物质的制造方法。 为了制造正极活性物质,将原料混合在多元醇溶剂中以产生反应溶液,然后将其燃烧以产生第一正极活性物质粉末。 然后,第一正极活性物质粉末涂覆有可燃性有机溶剂,然后燃烧以产生第二正极活性物质粉末。 通过该方法制造的正极活性物质具有改善的容量和结晶度。

    급속 충방전이 가능한 리튬 이차전지용 고용량 음극소재 및 그 제조 방법
    7.
    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
    9.
    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
    10.
    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。

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