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11.发明公开철 이온 도핑된 리튬이차전지용 NCA계열 양극활물질, 그 양극활물질의 제조방법 및 그 양극활물질을 포함한 리튬이차전지 有权NCA阴极活性材料，通过铁掺杂和安全性高的容量及其制备锂二次电池的方法
公开(公告)号：KR1020150082717A
公开(公告)日：2015-07-16
申请号：KR1020140001342
申请日：2014-01-06
Applicant: 한국교통대학교산학협력단
IPC: H01M4/525 , H01M4/46 , H01M10/052
CPC classification number: H01M4/366 , C01G53/42 , C01P2004/61 , C01P2004/80 , C01P2006/40 , H01M4/485 , H01M4/525 , H01M10/052 , Y02E60/12
Abstract: 본발명은이온도핑된리튬이차전지용 NCA계열양극활물질, 그양극활물질의제조방법및 그양극활물질을포함한리튬이차전지에대한것이다. 리튬이차전지용양극활물질의제조방법에있어서, 니켈및 코발트로금속수용액을제조하는단계; 상기금속수용액에침전제와공침제를혼합하여, 연속반응기에투입시켜교반하여침전물을얻는단계; 상기침전물을여과및 세척후 건조하여전구체를제조하는단계; 및상기전구체에리튬염과알루미늄및 질산철을혼합하는단계를포함하는것을특징으로하는이온도핑된리튬이차전지용 NCA계열양극활물질의제조방법에관한것이다.
Abstract translation: 本发明涉及一种用于离子掺杂锂二次电池的基于NCA的阴极活性材料，用于制造相同正极活性物质的方法和包含该阴极活性材料的锂二次电池。 用于制造用于离子掺杂锂二次电池的基于NCA的阴极活性材料的方法具有以下步骤：用镍和钴制备金属水溶液; 将沉淀剂和共沉淀剂与金属水溶液混合，将混合物输入连续反应器中并进行搅拌操作以获得沉淀物; 过滤并清洗沉淀物，并干燥沉淀物以产生前体; 并将锂盐，铝和硝酸铁与前体混合。
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12.发明公开리튬이차전지 양극활물질용 전구체인 복합금속산화물을 갖는 양극활물질 및 제조방법 그리고, 그 양극활물질을 포함한 리튬이차전지 有权用于锂离子电池阴极活性材料的前体，阴极活性材料和使用其的锂电池及其制备方法
公开(公告)号：KR1020130043938A
公开(公告)日：2013-05-02
申请号：KR1020110108140
申请日：2011-10-21
Applicant: 한국교통대학교산학협력단
IPC: H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/052
CPC classification number: Y02E60/122 , Y02P70/54 , Y02T10/7011 , C01G45/1257 , C01G51/42 , C01G53/006 , C01P2006/40 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0525
Abstract: PURPOSE: A manufacturing method of a positive electrode active material is provided to have a uniform particle size and improve electrochemical properties by mixing a lithium salt and a precursor which has a controlled surface. CONSTITUTION: A manufacturing method of a positive electrode active material for a lithium secondary battery comprises following steps: a step(S1) of manufacturing a metal aqueous solution by mixing three kinds of material selected from nickel, cobalt, iron, manganese and aluminum; a step(S2) of obtaining a precipitate by putting the mixture into a continuous reactor and stirring the mixture after mixing sodium carbonate as a precipitator and an ammonia solution as a co-precipitator in the metal aqueous solution; a step of manufacturing a precursor by filtering, washing, and drying the precipitate; and a step(S3) of mixing the precursor and a lithium salt. [Reference numerals] (AA) Start; (BB) End; (S1) Manufacture a metal aqueous solution; (S2) Manufacture a complex metal oxide as a precursor by mixing a precipitator and co-precipitator with the metal aqueous solution; (S3) Manufacture positive electrode active material by mixing the precursor with lithium salt
Abstract translation: 目的：通过混合锂盐和具有受控表面的前体，提供正极活性物质的制造方法以具有均匀的粒径并提高电化学性能。 构成：锂二次电池用正极活性物质的制造方法包括以下步骤：通过混合选自镍，钴，铁，锰和铝中的三种材料制造金属水溶液的步骤（S1） 通过将混合物放入连续反应器中并在混合碳酸钠作为沉淀器并在氨水溶液中作为共沉淀器在金属水溶液中搅拌后，获得沉淀物的步骤（S2）; 通过过滤，洗涤和干燥沉淀物来制造前体的步骤; 和混合前体和锂盐的步骤（S3）。 （附图标记）（AA）开始; （BB）结束; （S1）制造金属水溶液; （S2）通过将沉淀器和共沉淀器与金属水溶液混合来制造复合金属氧化物作为前体; （S3）通过将前体与锂盐混合来制造正极活性物质
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公开(公告)号：KR1020110017596A
公开(公告)日：2011-02-22
申请号：KR1020090075138
申请日：2009-08-14
Applicant: 한국교통대학교산학협력단 , 에너테크인터내셔널 주식회사
CPC classification number: H01M4/1397 , H01M4/5825 , H01M4/622 , H01M4/623 , H01M4/625 , H01M4/661 , H01M10/052 , H01M2004/028 , Y02E60/12
Abstract: PURPOSE: A method for manufacturing a positive electrode for a lithium secondary battery is provided to improve electrical characteristics of the lithium secondary battery and thermal stability of the positive electrode by uniformly applying a positive electrode active material composition to an electrode plate. CONSTITUTION: A method for manufacturing a positive electrode for a lithium secondary battery comprises the steps of: (S1) mixing a positive electrode active material with an organic solvent and ball-milling the mixture to prepare a mixed solution; (S2) adding conductors and binders to the mixed solution to obtain slurry; (S3) stirring the slurry through an impeller stirring process to prepare a positive electrode active material composition; and (S4) applying the positive electrode active material composition on a current collector and drying the positive electrode active material composition.
Abstract translation: 目的：提供一种锂二次电池用正极的制造方法，其特征在于，通过将正极活性物质组合物均匀地涂布在电极板上，来提高锂二次电池的电气特性和正极的热稳定性。 构成：用于制造锂二次电池用正极的方法包括以下步骤：（S1）将正极活性物质与有机溶剂混合并对该混合物进行球磨以制备混合溶液; （S2）向混合溶液中加入导体和粘合剂以获得浆料; （S3）通过叶轮搅拌工艺搅拌浆料以制备正极活性物质组合物; 和（S4）将正极活性物质组合物涂布在集电体上并干燥正极活性物质组合物。
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公开(公告)号：KR101718668B1
公开(公告)日：2017-03-22
申请号：KR1020160112622
申请日：2016-09-01
Applicant: 한국교통대학교산학협력단
IPC: C01G53/00 , H01M4/525 , H01M4/505 , H01M10/0525 , C01G51/00
Abstract: 본발명은잔류리튬감소를위해붕산으로세척된양극활물질, 그양극활물질의제조방법및 리튬이차전지에대한것이다. 보다상세하게는양극활물질을제조하는제1단계; 증류수에붕산을혼합하여붕산수용액을제조하는제2단계; 상기붕산수용액에상기양극활물질을넣고교반하는제3단계; 및열처리하는제4단계를포함하는것을특징으로하는잔류리튬감소를위해붕산으로세척된양극활물질의제조방법, 그리고, 양극활물질을제조하는제1단계; 증류수에붕산과염화수소를혼합하여수용액을제조하는제2단계; 상기수용액에상기양극활물질을넣고교반하는제3단계; 및열처리하는제4단계를포함하는것을특징으로하는잔류리튬감소를위해붕산으로세척된양극활물질의제조방법에관한것이다.
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Patent Agency Ranking
公开(公告)号：KR101673660B1
公开(公告)日：2016-11-08
申请号：KR1020140051372
申请日：2014-04-29
Applicant: 한국교통대학교산학협력단
IPC: H01M4/525 , H01M4/505 , H01M4/1391 , H01M10/052
Abstract: 본발명은리튬이차전지용코어쉘구조를갖는전구체, 양극활물질의제조방법그리고, 그양극활물질을포함한리튬이차전지에관한것이다. 보다상세하게는, 리튬이차전지용양극활물질의전구체제조방법에있어서, 니켈, 코발트및 망간으로제1금속수용액을제조하고, 니켈및 코발트로제2금속수용액을제조하는금속염제조단계; 제1금속수용액에침전제와킬레이트제를혼합하여연속반응기에투입시켜코어전구체를제조하는단계; 및상기제2금속수용액을연속반응기에투입시켜코어-쉘전구체를제조하는단계를포함하는것을특징으로하는리튬이차전지용코어쉘구조를갖는전구체의제조방법에대한것이다.
Abstract translation: 本发明涉及具有锂二次电池的核 - 壳结构的前体，正极活性物质的制造方法以及包含所述正极活性物质的锂二次电池。 更具体地说，该方法包括：使用镍，钴和锰制备第一金属溶液并使用镍和钴制备第二金属溶液的金属盐生产步骤; 通过在第一金属溶液中混合沉淀器和螯合剂并将其输送到连续反应器中来生产核心前体; 并通过将第二金属溶液进料到连续反应器中来生产核 - 壳前体。
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公开(公告)号：KR101630568B1
公开(公告)日：2016-06-15
申请号：KR1020150000082
申请日：2015-01-02
Applicant: 한국교통대학교산학협력단
IPC: H01M4/583 , H01M4/62 , H01M4/04 , H01M10/052
CPC classification number: H01M4/583 , H01M4/0404 , H01M4/625 , H01M10/052
Abstract: 본발명은다중산음이온화합물복합제상의리튬이차전지용양극활물질, 그제조방법및 리튬이차전지에대한것이다. 보다상세하게는, xLiFeMPO·(1-x)LiFeMSiO의조성을가지며, 상기 x는 0.1 이상에서 0.9 이하이고, 상기 y는 0 이상에서 1이하이고, 상기 M은스칸듐(Sc), 티탄(Ti), 이트륨(Y), 니오브(Nb), 몰리브덴 (Mo), 루테늄(Ru), 로듐(Rh), 팔라듐(Pd), 망간(Mn), 니켈(Ni), 코발트(Co), 알루미늄(Al), 지르코늄(Zr), 이리듐(Ir), 구리(Cu), 바나듐(V), 크롬(Cr), 바륨(Ba), 나트륨(Na) 및마그네슘(Mg)으로이루어지는군 중에서선택된적어도어느하나로구성되어, 새로운조성을가지며, 기존의다중산음이온화합물양극활물질에비해높은용량및 수명특성을제공할수 있는다중산음이온화합물복합제상의리튬이차전지용양극활물질, 그제조방법및 리튬이차전지에관한것이다.
Abstract translation: 本发明涉及一种用于锂二次电池的多酸阴离子化合物复合相正极活性材料及其制备方法和锂二次电池，更具体地说，涉及一种多酸阴离子化合物复合相正极活性物质 锂二次电池，其制备方法和锂二次电池，其中正极活性物质具有xLiFe_（1-y）M_yPO_4·（1-x）Li_2Fe_（1-y）M_ySiO_4的组成，其中 x为0.1-0.9含量; y为0-1（含）; M是从钪（Sc），钛（Ti），钇（Y），铌（Nb），钼（Mo），钌（Ru），铑（Rh），钯（Pd） ，锰（Mn），镍（Ni），钴（Co），铝（Al），锆（Zr），铱（Ir），铜（Cu），钒（V），铬（Cr） ，钠（Na）和镁（Mg），因此正极活性物质具有新的组成，并且与现有的多元酸阴离子化合物正极活性物质相比可提供高容量和寿命特性。
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18.发明授权
公开(公告)号：KR101440241B1
公开(公告)日：2014-09-12
申请号：KR1020130088814
申请日：2013-07-26
Applicant: 한국교통대학교산학협력단
IPC: H01M4/525 , H01M4/46 , H01M10/052
CPC classification number: C01G53/42 , C01P2004/61 , C01P2004/80 , C01P2006/40 , H01M4/485 , H01M4/525 , H01M10/052 , Y02E60/12
Abstract: The present invention relates to a cathode active material for a lithium secondary battery, the material having an ultra high capacity, and a manufacturing method thereof, and more specifically, to a manufacturing method of a cathode active material for a lithium secondary battery including: selecting two elements among nickel, cobalt, iron, manganese and aluminum and preparing a metal aqueous solution; mixing a precipitant and a co-precipitant in the metal aqueous solution and putting and stirring the mixture in a continuous reactor to obtain a precipitate; filtering, washing and drying the precipitate to prepare a precursor; and mixing a lithium salt and aluminum with the precursor. The cathode active material has a remarkably superior capacity compared to that of a previously reported NCA-based material through a change in the content of aluminum and lithium and has a structure with an excellent capacity and life time characteristics since the cathode active material includes transition metals mixed therewith.
Abstract translation: 本发明涉及一种用于锂二次电池的正极活性物质，具有超高容量的材料及其制造方法，更具体地说，涉及一种用于锂二次电池的正极活性物质的制造方法，包括：选择 镍，钴，铁，锰和铝中的两种元素，并制备金属水溶液; 将沉淀剂和共沉淀剂混合在金属水溶液中，并将混合物在连续反应器中放置并搅拌，得到沉淀物; 过滤，洗涤和干燥沉淀物以制备前体; 并将锂盐和铝与前体混合。 阴极活性材料与先前报道的NCA基材料相比，通过铝和锂的含量的变化具有非常优异的容量，并且具有优异的容量和寿命特性的结构，因为阴极活性材料包括过渡金属 与其混合。
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19.发明授权리튬이차전지 양극활물질용 전구체인 복합금속산화물을 갖는 양극활물질 및 제조방법 그리고, 그 양극활물질을 포함한 리튬이차전지 有权锂二次电池，正极活性物质和使用该锂二次电池的锂二次电池用正极活性物质前体及其制备方法
公开(公告)号：KR101353379B1
公开(公告)日：2014-01-22
申请号：KR1020110108140
申请日：2011-10-21
Applicant: 한국교통대학교산학협력단
IPC: H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/052
CPC classification number: Y02E60/122 , Y02P70/54 , Y02T10/7011
Abstract: 본 발명은 리튬이차전지 양극활물질용 전구체인 복합금속산화물 및 그 복합금속산화물의 제조방법, 그 복합금속산화물을 갖는 양극활물질 및 제조방법 그리고, 그 양극활물질을 포함한 리튬이차전지에 관한 것이다. 보다 상세하게는, 니켈, 코발트 및 망간으로 금속수용액을 제조하는 단계; 상기 금속수용액에 침전제로서 탄산나트륨과 공침제로서 암모니아수를 혼합하여, 연속반응기에 투입시켜 교반하는 단계; 여과 및 세척 후 건조하여 전구체를 제조하는 단계; 및 상기 전구체를 리튬염과 혼합하는 단계를 포함하는 것을 특징으로 하여 입자크기와 입도가 균일하고 표면이 제어된 전구체를 갖는 리튬이차전지용 양극활물질의 제조방법 및 그 양극활물질을 포함한 리튬이차전지에 관한 것이다.
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公开(公告)号：KR1020130106488A
公开(公告)日：2013-09-30
申请号：KR1020120028054
申请日：2012-03-20
Applicant: 한국교통대학교산학협력단
IPC: H01M4/525 , H01M4/505 , H01M4/1391 , H01M10/052
CPC classification number: Y02E60/122 , Y02T10/7011 , H01M4/525 , C01G45/125 , C01G49/0072 , C01P2004/80 , C01P2006/40 , H01M4/131 , H01M4/485 , H01M4/505 , H01M10/052 , Y02E60/12
Abstract: PURPOSE: A positive electrode active material for a lithium secondary battery is provided to offer high structural stability at high temperatures, a uniform spherical shape, and wide surface area. CONSTITUTION: A positive electrode active material for a lithium secondary battery is denoted by chemical formula 1: Li_(1+alpha)[M_gammaFe_(1-beta)Mn_beta]O_2 or chemical formula 2: (1-x)Li_2MnO_3-xLi[M_zFe_(1-y)Mn_y]O_2. In the chemical formula 1, M is one compound selected from Ni, Mg, Cu, Co, Al, Nb, Ti, and V, and alpha, beta, and gamma satisfy 0.1
Abstract translation: 目的：提供一种用于锂二次电池的正极活性材料，以在高温，均匀的球形和宽的表面积提供高结构稳定性。 构成：锂二次电池用正极活性物质由化学式1表示：Li_（1 +α）[M_gammaFe_（1-β）Mn_beta] O_2或化学式2：（1-x）Li_2MnO_3-xLi [M_zFe_ （1-Y）Mn_y] O_2。 在化学式1中，M是选自Ni，Mg，Cu，Co，Al，Nb，Ti和V中的一种化合物，α，β和γ满足0.1 <=α<= 0.9,0.1 < = 0.9，0 <= gamma <= 0.9。 在化学式2中，M是选自Ni，Mg，Cu，Co，Al，Nb，Ti和V中的一种化合物，x，y和z满足0.1 <= x <= 0.9,0.1 <= y < = 0.9，0 <= z <= 0.9。
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