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公开(公告)号：KR101114492B1
公开(公告)日：2012-02-24
申请号：KR1020110035286
申请日：2011-04-15
Applicant: 울산과학기술원 산학협력단 , 세진이노테크주
IPC: H01M4/36 , H01M4/38 , H01M10/052 , H01M4/04
Abstract: PURPOSE: A negative electrode active material for lithium secondary battery and a manufacturing method thereof are provided to simplify manufacturing process, enable mass production, and enhance lifetime of a battery. CONSTITUTION: A negative electrode active material for lithium secondary battery comprises a material(100) which is able to dope/de-dope lithium, a plurality of 0.1-3micron size external pores(101) formed on the material surface, a plurality of 10-50nm internal pores inside of the external pores. The material which is able to dope/de-dope contains Si. The negative electrode active material for lithium secondary battery has a Brunauer-Emmett Teller(BET) non-surface area of 2.0-20.0 m/g and a total pore volume of 0.03-0.06 cc/g.
Abstract translation: 目的：提供一种锂二次电池用负极活性物质及其制造方法，以简化制造工序，实现批量生产，提高电池寿命。 构成：锂二次电池用负极活性物质包括能够掺杂锂的材料（100），形成在材料表面上的多个0.1-3微米尺寸的外部孔（101），多个10 -50nm内孔内部孔隙。 能够掺杂/去胶的材料含有Si。 锂二次电池用负极活性物质的Brunauer-Emmett Teller（BET）非表面积为2.0〜2.0m 2 / g，总孔体积为0.03〜0.06cc / g。
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公开(公告)号：KR1020200135648A
公开(公告)日：2020-12-03
申请号：KR1020190061028
申请日：2019-05-24
Applicant: 울산과학기술원
IPC: H01M4/13 , H01M4/131 , H01M4/136 , H01M4/80 , H01M4/74 , H01M4/66 , H01M4/139 , H01M4/1391 , H01M4/1397 , H01M4/04 , H01M10/058 , H01M10/0525
Abstract: 본발명은, 폴더블전극구조체, 이의제조방법및 이를포함하는플렉서블디바이스에관한것으로, 보다구체적으로, 마이크로섬유기반의기재; 및상기기재에코팅된기능성물질; 을포함하고, 상기기능성물질은, 활물질; 및금속나노와이어, 탄소나노와이어및 탄소나노튜브중 적어도하나;를포함하는것인폴더블전극구조체, 이의제조방법및 이를포함하는플렉서블디바이스에관한것이다.
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公开(公告)号：KR101884568B1
公开(公告)日：2018-08-02
申请号：KR1020170068986
申请日：2017-06-02
Applicant: 울산과학기술원 , 한국화학연구원 , (주)에스에이티 , (재)울산테크노파크
IPC: C08F216/06 , C08F216/14 , H01M10/0525
Abstract: 본발명은리튬이온전지, 커패시터(capacitor) 및그 외에너지저장장치등의전기화학소자분야에활용되는전해질조성물에포함될수 있는중합체또는그 중합체를포함하는전해질조성물에관한것으로, 본발명의전이금속킬레이팅작용기전이금속킬레이팅작용기를포함하는중합체는, 아래의 [화학식 1] 로표시되는반복단위를하나이상포함한다: [화학식 1]k 및 l은 1 이상의자연수, m은 0 또는 1 이상의자연수 A, B 및 C 중하나이상은전이금속킬레이팅작용기를포함하는것이고, 전이금속킬레이팅작용기를포함하지않는나머지는, 각각, 말단에니트릴기를포함하는작용기, 말단에하이드록실(Hydroxyl)기를포함하는작용기, C의선형알킬기및 H로이루어진군에서선택되는어느하나인것.
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公开(公告)号：KR1020150030853A
公开(公告)日：2015-03-23
申请号：KR1020130110082
申请日：2013-09-13
Applicant: 울산과학기술원 산학협력단
IPC: H01M10/0567 , H01M10/052
CPC classification number: Y02E60/122 , Y02T10/7011 , H01M10/0567 , H01M10/052 , H01M10/0569 , H01M2300/004 , H01M2300/0042
Abstract: 본 발명은 리튬염; 및 환형 카보네이트 화합물 및 니트릴계 화합물을 포함하는 비수성 유기용매;를 포함하고, 상기 니트릴계 화합물은 상기 비수성 유기용매의 총량에 대하여 10 내지 33 부피%로 포함되는 리튬 이차전지용 전해액 및 이를 이용하는 리튬 이차전지에 관한 것이다.
Abstract translation: 本发明的目的是提供一种具有寿命维持特性的二次电池用电解液，例如在-20℃以下的非常低的温度下的充放电容量，具有低熔点和低粘度特性。 本发明涉及一种用于锂二次电池的电解质和使用该锂二次电池的锂二次电池，所述锂二次电池用电解质包括：锂盐; 以及包含环状碳酸酯化合物和腈基化合物的非水有机溶剂，其中腈系化合物的含量相对于非水有机溶剂的总量为10〜33体积％。
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Patent Agency Ranking
公开(公告)号：KR1020140133219A
公开(公告)日：2014-11-19
申请号：KR1020130053033
申请日：2013-05-10
Applicant: 울산과학기술원 산학협력단
IPC: H01M10/0565 , H01M10/052 , H01G9/022
CPC classification number: H01M10/0565 , H01G11/58 , H01M10/0525 , H01M10/4235 , H01M2300/0082 , H01M2300/0085 , Y02E60/13
Abstract: 본 발명은 (i) 용매; (ii) 리튬염; 및 (iii) 전해액 조성물 총 중량을 기준으로 0.1 내지 5 중량%의 풀루란(pullulan)계 고분자 수지를 포함하는 전해액 조성물로서, 상기 풀루란계 고분자 수지가 화학식 1로 표시되는 반복단위를 하나 이상 포함하는 폴리머, 올리고머 또는 이의 혼합물인 것을 특징으로 하는 전해액 조성물에 관한 것으로, 본 발명에 따른 전해액 조성물은 상온 및 고온에서 우수한 수명특성을 나타내고, 고온에서 전해액 분해에 따른 가스 발생을 억제하여 전기화학소자의 안전성을 향상시킬 수 있어, 전기화학소자의 제조에 유용하게 사용될 수 있다.
Abstract translation: 本发明涉及电解质组合物，其包含（i）溶剂; （ii）锂盐; 和（iiI）基于电解质组合物的总重量为0.1-5重量％的支链淀粉类聚合物树脂，其中支链淀粉类聚合物树脂是含有至少一个重复单元的聚合物，低聚物或其混合物 根据本发明的电解质组合物在室温和高温下显示出优异的寿命性能，抑制由于高温下的电解质分解引起的气体产生，提高了电化学装置的稳定性， 因此，可以有效地用于制造电化学装置。
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17.发明公开
公开(公告)号：KR1020140119250A
公开(公告)日：2014-10-10
申请号：KR1020130033035
申请日：2013-03-27
Applicant: 울산과학기술원 산학협력단
IPC: H01M4/137 , H01M4/1399 , H01M10/052
Abstract: The present invention relates to a positive electrode which comprises a current collector and a positive electrode active material layer formed on the current collector, wherein the positive electrode active material layer consists of a positive electrode active material; the positive electrode active material includes a material which allows for lithium doping and dedoping and a conductive polymer coating layer formed on a surface of the material which allows for lithium doping and dedoping; and the conductive polymer coating layer includes at least one conductive polymer selected from a polyacetylene-based polymer, a polyaniline-based polymer, a polypyrrole-based polymer, a polythiophen-based polymer, a polyphenylene-based polymer, and derivatives of them. Furthermore, the present invention relates to a manufacturing method of the positive electrode, a positive electrode active material, a manufacturing method of the positive electrode active material, and an electrochemical device including the positive electrode.
Abstract translation: 本发明涉及一种正极，其包括形成在集电体上的集电体和正极活性物质层，其中正极活性物质层由正极活性物质构成， 正极活性物质包括允许锂掺杂和去掺杂的材料和形成在材料的表面上的导电聚合物涂层，其允许锂掺杂和去掺杂; 并且导电聚合物涂层包括至少一种选自聚乙炔类聚合物，聚苯胺类聚合物，聚吡咯类聚合物，聚噻吩类聚合物，聚苯撑系聚合物及其衍生物的导电性聚合物。 此外，本发明涉及正极的制造方法，正极活性物质，正极活性物质的制造方法以及包含正极的电化学装置。
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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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