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1.发明申请폴리올 프로세스를 이용한 리튬화된 전극재료제조방법, 그 방법으로 제조된 리튬화된 전극재료 및 상기 전극재료를 포함하는 2차전지 审中-公开使用聚合物工艺制备立体电极材料的方法，其中制备的立体电极材料和包括电极材料的二次电池
公开(公告)号：WO2012138158A2
公开(公告)日：2012-10-11
申请号：PCT/KR2012/002593
申请日：2012-04-05
CPC classification number: C01B25/45 , C01G31/00 , C01G45/1228 , C01G45/1242 , C01P2002/72 , C01P2004/80 , C01P2006/40 , H01M4/131 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2220/20 , Y02E60/122
Abstract: 본 발명은 폴리올용매를 이용한 리튬화된 전극재료 및 그 제조 방법에 관한 것으로, 보다 구체적으로는 반응물인 전이금속화합물 및 리튬계화합물을 일정 화학양론비를 고려한 전구체 용액을 먼저 제조한 후 폴리올용매에 첨가하여 리튬화된 전극재료를 제조하던 종래 방법과는 달리 전구체용액을 제조하지 않고도 상당히 저온에서 특정한 폴리올용매, 전이금속화합물, 리튬계화합물을 이용하여 제조할 수 있는 리튬화된 전극재료 제조방법, 그 방법으로 제조된 리튬화된 전극재료 및 그 전극재료를 포함하는 2차전지에 관한 것이다.
Abstract translation: 本发明涉及使用多元醇溶剂的锂化电极材料及其制备方法，更具体地涉及：使用特定多元醇溶剂，过渡金属化合物和锂基化合物制备锂化电极材料的方法 考虑到作为反应物的过渡金属化合物和锂基化合物的预定化学计量比，首先制备前体溶液制备锂化电极材料的常规方法不同，不需要制备前体溶液，而不需要制备前体溶液。 通过该方法制备的锂化电极材料; 以及包括电极材料的二次电池。
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公开(公告)号：KR1020090019590A
公开(公告)日：2009-02-25
申请号：KR1020070084140
申请日：2007-08-21
Applicant: 전남대학교산학협력단
CPC classification number: H01M4/505 , C01G45/12 , C01P2006/40 , H01M4/131 , H01M4/485 , H01M4/525 , H01M10/0525 , Y02E60/122
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。
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公开(公告)号：KR1020160079575A
公开(公告)日：2016-07-06
申请号：KR1020140191132
申请日：2014-12-26
Applicant: 삼성에스디아이 주식회사 , 삼성전자주식회사 , 전남대학교산학협력단
IPC: H01M4/58 , H01M4/525 , H01M4/505 , H01M10/052
CPC classification number: H01M4/5825 , H01M4/364 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/028 , Y02T10/7011 , H01M4/58 , Y02E60/12
Abstract: 하기화학식 1로표시되는금속인산염(metal phosphate) 및리튬복합산화물을포함하는복합양극활물질, 그제조방법, 이를포함하는양극및 이를포함하는리튬전지가제공된다. [화학식 1] MPO상기화학식 1 중, M은바나듐(V), 니오븀(Nb) 또는탄탈륨(Ta)이고, 1≤y/x ≤1.33이고, 4≤ z/y ≤5 의범위를가진다.
Abstract translation: 提供了包含锂复合氧化物和由化学式1表示的金属磷酸盐的复合正极活性材料; 其制造方法; 包含该正极的正电极; 和包含该锂电池的锂电池。 在化学式1中，M_xP_yO_z，M是钒（V），铌（Nb）或钽（Ta）; y / x大于或等于1且小于或等于1.33; z / y大于或等于4且小于或等于5。
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公开(公告)号：KR101534870B1
公开(公告)日：2015-07-08
申请号：KR1020090111690
申请日：2009-11-18
Applicant: 현대자동차주식회사 , 전남대학교산학협력단
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.
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公开(公告)号：KR101117967B1
公开(公告)日：2012-02-16
申请号：KR1020090098810
申请日：2009-10-16
Applicant: 현대자동차주식회사 , 전남대학교산학협력단
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-
Patent Agency Ranking
公开(公告)号：KR1020090019887A
公开(公告)日：2009-02-25
申请号：KR1020090008631
申请日：2009-02-03
Applicant: 전남대학교산학협력단
CPC classification number: C01G51/44 , C01P2006/40 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/12
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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7.发明授权폴리올 프로세스를 이용한 리튬화된 전극재료제조방법, 그 방법으로 제조된 리튬화된 전극재료 및 상기 전극재료를 포함하는 2차전지 有权使用多元醇工艺制备电极材料的方法，制备的电极材料以及包括电极材料的电池
公开(公告)号：KR101181323B1
公开(公告)日：2012-09-11
申请号：KR1020110031406
申请日：2011-04-05
Applicant: 전남대학교산학협력단
CPC classification number: C01B25/45 , C01G31/00 , C01G45/1228 , C01G45/1242 , C01P2002/72 , C01P2004/80 , C01P2006/40 , H01M4/131 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2220/20 , Y02E60/122
Abstract: PURPOSE: A manufacturing method of a lithiated electrode material is provided to manufacture an electrode material consisting of uniform particles having sizes of 500 or less, and having relatively excellent performance in low temperatures. CONSTITUTION: A manufacturing method of a lithiated electrode material using polyol process comprises a step of manufacturing polyol reactant composition by adding transition metal compound, dissolving a lithium-based compound into a polyol solvent; a step of raising temperature of the manufactured polyol reaction composition to 240-260°C; a step of maintaining the risen temperature of the reactant composition, and cooling the reactant composition to generate the lithiated electrode material.
Abstract translation: 目的：提供锂化电极材料的制造方法，制造由尺寸为500以下的均匀粒子构成的电极材料，在低温下具有较好的性能。 构成：使用多元醇工艺的锂化电极材料的制造方法包括通过添加过渡金属化合物，将锂基化合物溶解在多元醇溶剂中来制造多元醇反应物组合物的步骤; 制造的多元醇反应组合物的温度升高到240-260℃的步骤; 保持反应物组合物升高温度的步骤，并冷却反应物组合物以产生锂化电极材料。
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公开(公告)号：KR1020110062293A
公开(公告)日：2011-06-10
申请号：KR1020090118971
申请日：2009-12-03
Applicant: 현대자동차주식회사 , 전남대학교산학협력단
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。
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公开(公告)号：KR100842295B1
公开(公告)日：2008-06-30
申请号：KR1020070032814
申请日：2007-04-03
Applicant: 한국전자통신연구원 , 전남대학교산학협력단
Abstract: A preparation method of manganese dioxide nano-particle is provided to obtain manganese dioxide nano-particle economically in a simple process for short time by oxidation-reduction reaction of separate aqueous solutions of manganese chloride and potassium permanganate. A preparation method of manganese dioxide nano-particle comprises steps of: preparing separate aqueous solution of MnCl2 and KMnO4(S10); adding KMnO4 aqueous solution to the MnCl2 aqueous solution under stirring(S20); stirring the mixture for about 1 hour(S30); filtering the mixture and drying the filtrate(S40); and analyzing the product precipitate(S50). In the oxidation-reduction reaction of the aqueous solutions, the manganese precursor optionally plays as an oxidant or as a reductant. The shape of the manganese dioxide nano-particle is controlled by the condition for synthesis in the aqueous solution or by the changes in the process for nucleus forming and for particle forming. Under the control of the precursor species and the synthesis condition, the manganese oxide optionally comprises potassium ion and sodium ion. Further, the nano-particle is gamma-MnO2 and has a diameter of 10 to 150 nm.
Abstract translation: 提供二氧化锰纳米颗粒的制备方法，通过单独的氯化锰水溶液和高锰酸钾的氧化还原反应，在短时间内通过简单的方法经济地获得二氧化锰纳米颗粒。 二氧化锰纳米颗粒的制备方法包括以下步骤：制备单独的MnCl 2和KMnO 4水溶液（S10）; 在搅拌下向KMCl 2水溶液中加入KMnO4水溶液（S20）; 搅拌混合物约1小时（S30）; 过滤混合物并干燥滤液（S40）; 并分析产物沉淀物（S50）。 在水溶液的氧化还原反应中，锰前体可任选地作为氧化剂或还原剂起作用。 二氧化锰纳米颗粒的形状由水溶液中的合成条件或核成型和颗粒形成过程的变化控制。 在前体物质和合成条件的控制下，锰氧化物任选地包含钾离子和钠离子。 另外，纳米粒子是γ-MnO 2，直径为10〜150nm。
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公开(公告)号：KR101134474B1
公开(公告)日：2012-04-13
申请号：KR1020090118971
申请日：2009-12-03
Applicant: 현대자동차주식회사 , 전남대학교산학협력단
CPC classification number: C01G23/005 , C01P2002/72 , C01P2006/40
Abstract: 본 발명은 충방전이 가능한 리튬 이차전지용 고용량 음극소재 및 그 제조 방법에 관한 것으로서, 용매열 합성법을 이용하여 리튬 이차전지용 음극 활물질로 각광받고 있는 제로 스트레인 인서트 물질(zero-strain insertion material) 인 Li
4 Ti
5 O
12 전극재료를 용이하게 합성함으로써, 기존의 폴리올 또는 고상법을 이용한 합성 방법에 비하여 우수한 결정성 및 고율 특성을 발현하는 Li
4 Ti
5 O
12 나노입자를 얻을 수 있도록 한 급속 충방전이 가능한 리튬 이차전지용 고용량 음극소재 및 그 제조 방법을 제공하고자 한 것이다.
리튬 이차전지, 음극소재, 용매열 합성법, 전극재료, 충방전, 나노입자, 고율 특성
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