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公开(公告)号：KR1020120121235A
公开(公告)日：2012-11-05
申请号：KR1020110039092
申请日：2011-04-26
Applicant: 울산과학기술원 산학협력단
IPC: H01M4/48 , H01M10/052 , H01M4/04 , H01M4/1391
CPC classification number: H01M4/366 , C01G45/1228 , C01G45/1235 , C01G45/1242 , C01G51/50 , C01G53/50 , C01P2002/72 , C01P2004/03 , C01P2004/04 , C01P2004/84 , C01P2006/40 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052
Abstract: PURPOSE: A positive electrode active material is provided to have excellent power performance, capacity performance, thermal stability and lifetime performance by having a core-shell structure. CONSTITUTION: A positive electrode active material(10) for lithium secondary battery comprises: a core(11) comprising lithium metal composite oxide with a layered structure; a shell which comprises lithium composite metal oxide of a layered structure having different composition with the core, a lithium composite metal oxide, a lithium composite metal oxide of a spinel structure, or a combination thereof. The shell is on a surface of the core. The core has an average diameter of 5-15 micron. The shell has a thickness of 100-700 nm.
Abstract translation: 目的：通过具有核 - 壳结构，提供正极活性物质以具有优异的功率性能，容量性能，热稳定性和寿命性能。 构成：用于锂二次电池的正极活性物质（10）包括：包含具有层状结构的锂金属复合氧化物的芯（11）; 壳，其包含与芯组成不同的层状结构的锂复合金属氧化物，锂复合金属氧化物，尖晶石结构的锂复合金属氧化物或其组合。 壳体在芯的表面上。 核心的平均直径为5-15微米。 壳体的厚度为100-700nm。
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12.发明公开
公开(公告)号：KR1020120104709A
公开(公告)日：2012-09-24
申请号：KR1020110022277
申请日：2011-03-14
Applicant: 현대중공업 주식회사 , 울산과학기술원 산학협력단
IPC: H01M12/06
Abstract: PURPOSE: A manufacturing method of cathode for zinc-air cells is provided to improve voltage and current capacity by regenerate cathode which is changed into zinc oxide or zinc oxide as high function zinc. CONSTITUTION: A manufacturing method of cathode for zinc-air cells comprises the following steps: melting zinc oxide by using alkaline electrolyte; installing counter electrode and work electrode in which zinc is deposited in an alkaline electrolytic solution; segregating zinc with high specific surface area from alkaline electrolyte in which zinc oxide is saturated by applying the current having specified voltage; washing and drying the deposited zinc; and forming zinc gel by mixing the dried zinc with the alkaline electrolyte and gelling agent.
Abstract translation: 目的：提供一种锌 - 空气电池阴极的制造方法，通过再生阴极提高电压和电流容量，将其变为氧化锌或氧化锌作为高功能锌。 构成：锌 - 空气电池阴极的制造方法包括以下步骤：使用碱性电解液熔化氧化锌; 安装在碱性电解液中沉积锌的对电极和工作电极; 通过施加具有规定电压的电流将具有高比表面积的锌与碱性电解质分离，其中氧化锌饱和; 洗涤和干燥沉积的锌; 并通过将干燥的锌与碱性电解质和胶凝剂混合而形成锌凝胶。
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公开(公告)号：KR1020110125050A
公开(公告)日：2011-11-18
申请号：KR1020100044582
申请日：2010-05-12
Applicant: 울산과학기술원 산학협력단
IPC: B82B3/00 , H01M4/48 , H01M10/0525
CPC classification number: C01G3/02 , B22F1/0018 , B22F9/24 , B82Y30/00 , B82Y40/00 , C01G3/05 , C01G3/10 , C01P2002/72 , C01P2004/03 , C01P2004/13 , H01M4/483 , Y10S977/896 , Y10S977/90
Abstract: PURPOSE: A method for manufacturing nano materials and a method for manufacturing a secondary battery using the same are provided to easily control the characteristic of the nano materials according to the length and the concentration of alkyl groups in alkyl amine. CONSTITUTION: A method for manufacturing nano materials includes the following: A mixed solution containing a metallic salt aqueous solution and alkyl amine. The mixed solution is hydrothermal-treated. The metallic salt of the metallic salt aqueous solution includes chlorides, sulfates, nitrates, and the combination of the same or includes copper salt, nickel salt, lead salt, or the combination of the same. The molar ratio of the metallic salt and the alkyl amine is between 3:1 and 15:1. The hydrothermal treating process is implemented at a temperature between 100 and 300 degrees Celsius at an inert gas atmosphere.
Abstract translation: 目的：提供一种纳米材料的制造方法以及使用其的二次电池的制造方法，能够根据烷基胺中的烷基的长度和浓度容易地控制纳米材料的特性。 构成：制造纳米材料的方法包括：含有金属盐水溶液和烷基胺的混合溶液。 将混合溶液进行水热处理。 金属盐水溶液的金属盐包括氯化物，硫酸盐，硝酸盐及其组合，或包括铜盐，镍盐，铅盐或其组合。 金属盐和烷基胺的摩尔比为3:1至15:1。 在惰性气体气氛下，在100-300摄氏度的温度下进行水热处理。
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公开(公告)号：KR1020110123578A
公开(公告)日：2011-11-15
申请号：KR1020100043132
申请日：2010-05-07
Applicant: 울산과학기술원 산학협력단
IPC: B82B3/00 , H01M10/04 , H01M10/052
CPC classification number: H01M10/0436 , H01M4/134 , H01M4/139 , H01M4/36 , H01M10/052
Abstract: PURPOSE: A method for manufacturing silicon nanowires and a method for manufacturing a lithium secondary battery using the same are provided to prevent the crack of the silicon nanowires due to the volume expansion of the lithium secondary battery in a charging and discharging process by uniformly maintaining the array and the interval of the silicon nanowires on a cathode collector. CONSTITUTION: A method for manufacturing silicon nanowires(123) includes the following: A catalyst layer(124) including separately arranged metal particles is formed on a silicon layer(121). The catalyst layer forming process uses mask particles which are separately arranged on the silicon layer. The mask particles include a core layer containing the metal particles and a polymer layer surrounding the core layer. The silicon layer in contact with the metal particles is selectively etched through a wet etching process. The metal particles are eliminated to obtain the nanowires.
Abstract translation: 目的：提供一种硅纳米线的制造方法和使用该二次电池的锂二次电池的制造方法，其特征在于，通过均匀地维持所述锂二次电池的充放电过程中的锂纳米线的体积膨胀， 阵列和阴极集电器上的硅纳米线的间隔。 构成：制造硅纳米线（123）的方法包括以下：在硅层（121）上形成包括单独排列的金属颗粒的催化剂层（124）。 催化剂层形成工艺使用分开布置在硅层上的掩模颗粒。 掩模颗粒包括含有金属颗粒的芯层和围绕芯层的聚合物层。 通过湿蚀刻工艺选择性地蚀刻与金属颗粒接触的硅层。 去除金属颗粒以获得纳米线。
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15.发明公开
公开(公告)号：KR1020110107718A
公开(公告)日：2011-10-04
申请号：KR1020100036462
申请日：2010-04-20
Applicant: 울산과학기술원 산학협력단 , 주식회사 엘앤에프신소재
IPC: H01M4/525 , H01M4/505 , H01M10/0525 , C01G51/04
CPC classification number: C01G45/1228 , C01G51/42 , C01G53/42 , C01P2002/72 , C01P2004/03 , C01P2004/61 , C01P2004/62 , C01P2006/40 , H01M4/131 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M4/62 , H01M10/052 , H01M2004/021
Abstract: 리튬 이차전지용 양극 활물질, 리튬 이차전지용 양극, 리튬 이차전지 및 이들의 제조방법에 관한 것으로, 입경이 0.1 내지 1㎛인 하기 화학식 1로 표시되는 화합물을 포함하는 1차 입자로 이루어진, 입경이 20 내지 60㎛인 2차 입자를 포함하는 리튬 이차전지용 양극 활물질을 이용하여, 높은 에너지밀도를 보여주는 양극 활물질을 제공할 수 있으며, 우수한 사이클링 특성을 보이는 리튬 이차전지를 제조할 수 있다.
[화학식 1]
LiMO
2
(상기 화학식 1에서, M은 Ni, Co, Mn 또는 이들의 조합이다.)Abstract translation: 本发明涉及锂二次电池，正极活性物质及其阴极及其制造方法，其可以提供锂二次电池阴极具有高能量密度的阴极活性材料，所述材料由 由LiMO2表示的直径为0.1-1μm的化合物，其包括直径为20-60μm的二次粒子，从而能够制造具有优异循环能力的锂二次电池。 所述M的定义可以在本说明书中找到。
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Patent Agency Ranking
公开(公告)号：KR1020160064899A
公开(公告)日：2016-06-08
申请号：KR1020140169176
申请日：2014-11-28
Applicant: 삼성에스디아이 주식회사 , 울산과학기술원 산학협력단
IPC: H01M4/36 , H01M4/38 , H01M4/48 , H01M10/052
CPC classification number: H01M4/36 , H01M4/38 , H01M4/48 , H01M10/052 , Y02E60/12
Abstract: 할로우코어부-쉘부구조(hollow core porition-shell portion structure)를갖는나노구조체를포함하는음극활물질로서, 상기나노구조체는할로우코어부; 및상기코어부를둘러싼링(ring) 형태의반도체성원소및 상기반도체성원소의산화물을포함한쉘부;의단면을포함하는음극활물질, 이를포함하는리튬전지, 및상기음극활물질의제조방법이개시된다.
Abstract translation: 公开了包括具有中空芯部 - 壳部结构的纳米结构的负极活性物质; 包含该锂电池的锂电池; 和负极活性物质的制造方法。 纳米结构包括：中空芯单元; 以及壳单元的横截面，其包括围绕芯单元的环形形状的半导体元件和半导体元件的氧化物。
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公开(公告)号：KR101576274B1
公开(公告)日：2015-12-09
申请号：KR1020140064733
申请日：2014-05-28
Applicant: 울산과학기술원 산학협력단
Abstract: 제1 리튬전이금속복합산화물, 상기제1 리튬전이금속복합산화물의표면에위치하는제2 리튬전이금속복합산화물, 상기제2 리튬전이금속복합산화물의표면에위치하는제1 코팅층, 및상기제1 코팅층의표면에위치하는제2 코팅층을포함하고, 상기제1 코팅층은하기화학식 1로표시되고, 상기제2 코팅층은하기화학식 2로표시되는리튬이차전지용양극활물질, 이의제조방법, 및이를포함하는리튬이차전지를제공한다. [화학식 1] LiVO[화학식 2] VO상기화학식 1 및화학식 2에서, 0.01≤a≤6, 1≤b≤6, 2≤c≤13, 1≤d≤6 및 2≤e≤13 이다.
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公开(公告)号：KR1020150136953A
公开(公告)日：2015-12-08
申请号：KR1020140064733
申请日：2014-05-28
Applicant: 울산과학기술원 산학협력단
CPC classification number: H01M4/48 , H01M4/139 , H01M4/485 , H01M4/50 , H01M4/505 , H01M4/525 , H01M10/052
Abstract: 제1 리튬전이금속복합산화물, 상기제1 리튬전이금속복합산화물의표면에위치하는제2 리튬전이금속복합산화물, 상기제2 리튬전이금속복합산화물의표면에위치하는제1 코팅층, 및상기제1 코팅층의표면에위치하는제2 코팅층을포함하고, 상기제1 코팅층은하기화학식 1로표시되고, 상기제2 코팅층은하기화학식 2로표시되는리튬이차전지용양극활물질, 이의제조방법, 및이를포함하는리튬이차전지를제공한다. [화학식 1] LiVO[화학식 2] VO상기화학식 1 및화학식 2에서, 0.01≤a≤6, 1≤b≤6, 2≤c≤13, 1≤d≤6 및 2≤e≤13 이다.
Abstract translation: 本发明提供一种锂二次电池用正极活性物质及其制造方法以及包含该锂二次电池的锂二次电池。 正极活性物质包括：第一锂 - 过渡金属复合氧化物; 位于第一锂 - 过渡金属复合氧化物表面上的第二锂 - 过渡金属复合氧化物; 位于第二锂 - 过渡金属复合氧化物表面上的第一涂层; 以及位于第一涂层的表面上的第二涂层。 在正极活性物质中，第一被覆层由下述化学式1表示，第二被覆层由下述化学式2表示。[化学式1] Li_aV_bO_c，[化学式2] V_dO_e。 在化学式1和2中，0.01 <= a <= 6,1 <= b <= 6,2 <= c <= 13,1 <= d <= 6和2 <= e <= 13。
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19.发明公开리튬 이차 전지용 양극 활물질, 양극 활물질 코팅 물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 有权用于可充电锂电池的正极活性材料，用于积极活性材料的涂料，其制造方法和包括其的可充电锂电池
公开(公告)号：KR1020140120752A
公开(公告)日：2014-10-14
申请号：KR1020130037020
申请日：2013-04-04
Applicant: 울산과학기술원 산학협력단
IPC: H01M4/505 , H01M10/052
CPC classification number: H01M4/505 , H01M4/52 , H01M10/052
Abstract: 리튬 이차 전지용 양극 활물질, 양극 활물질 코팅 물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 하기 화학식 1로 표시되는 층상계 화합물을 포함하는 원물질부 및 하기 화학식 2로 표시되는 화합물을 포함하는 표면부를 포함하고, 상기 표면부의 Mn의 평균 산화수는 3.7 내지 4.0인 것인 리튬 이차 전지용 양극 활물질을 제공할 수 있다.
[화학식 1]
LiNi
1
-x-
y Co
x Mn
y O
2
(상기 화학식 1에서, 0≤x≤1 및 0≤y≤0.3이다.)
[화학식 2]
Li
1
+
x M
y Mn
2
-x-
y O
4
(상기 화학식 2에서, 0≤x≤0.35이고, 0≤y≤1이고, x 및 y는 동시에 0이 아니고, M은 1 내지 3가의 금속 또는 이들의 조합이다.)Abstract translation: 本发明涉及锂二次电池用正极活性物质，阴极活性物质用涂料及其制造方法以及包含该阴极活性物质的锂二次电池。 本发明可以提供一种锂二次电池用正极活性物质，其包含含有由化学式1表示的层叠化合物的原料部分和含有由化学式2表示的化合物的表面部分，其中，平均氧化数 表面部分的Mn为3.7-4.0。 在化学式1（LiNi_1-x-yCo_xMn_yO_2）中，0 <= x <= 1且0 <= y <0.3。 在化学式2（Li_1 + xM_yMn_2-x-yO_4）中，0 <= x <=0.35,0≤y≤1，x和y不同时为0，M为单 - 价金属或其组合。
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公开(公告)号：KR1020140116343A
公开(公告)日：2014-10-02
申请号：KR1020130031153
申请日：2013-03-22
Applicant: 울산과학기술원 산학협력단 , (주)에스제이신소재
IPC: H01M4/505 , H01M4/525 , H01M10/052
CPC classification number: H01M4/505 , C01G45/1242 , C01P2004/84 , C01P2006/40 , H01M4/366 , H01M4/485 , H01M10/0525 , Y02E60/122
Abstract: The present invention relates to a cathode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same. More specifically, the present invention can provide a cathode active material for a lithium secondary battery which comprises: a core part represented by chemical formula 1, and a surface part represented by chemical formula 2, wherein the average oxidation number of Mn on the core part is 3.5-3.6, and the average oxidation number of Mn on the surface part is 3.7-4.0. In chemical formula 1 (Li_1+xM_yMn_2-x-yO_4), 0
Abstract translation: 本发明涉及锂二次电池用正极活性物质及其制造方法以及包含该锂二次电池的锂二次电池。 更具体地说，本发明可以提供一种锂二次电池用正极活性物质，其特征在于，包括：由化学式1表示的核心部分和由化学式2表示的表面部分，其中芯部上的Mn的平均氧化数 为3.5-3.6，表面部分Mn的平均氧化数为3.7〜4.0。 在化学式1（Li_1 + xM_yMn_2-x-yO_4）中，0 <= x <= 0.05,0 <= y <= 0.4，M是一价至三价金属或其组合。 在化学式2（Li_1 + xM_yMn_2-x-yO_4）中，0
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