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公开(公告)号：KR1020120105330A
公开(公告)日：2012-09-25
申请号：KR1020110023090
申请日：2011-03-15
Applicant: 한국화학연구원
IPC: C01B33/021 , B09B3/00
CPC classification number: Y02W30/20 , Y02W30/827 , C01B33/037
Abstract: PURPOSE: A method for collecting silicon from a waste solar cell module is provided to improve the workability of a silicon collecting operation by establishing the optimal collecting condition. CONSTITUTION: A method for collecting silicon from a waste solar cell module includes the following: a waste solar cell module is immersed in a selected organic solvent; reinforced glass separated from a cell is primarily collected from the waste solar cell module; swallowed ethylene vinyl acetate is pyrolyzed from the cell and is removed; the cell is collected; a mixed acid solvent is prepared to remove an anti-reflective coat film and electrode materials from the collected cell; and a surfactant for increasing the collecting rate of silicon is added into the mixed acid solvent. [Reference numerals] (AA) Organic solvent; (B1,B2) Expansion; (CC) Decomposition; (D1,D2) EVA: cross-linking part; (EE) EVA: non-cross-linking part; (FF) Reinforced glass; (GG) Solar cell
Abstract translation: 目的：提供从废太阳能电池模块收集硅的方法，以通过建立最佳收集条件来提高硅收集操作的可操作性。 构成：从废太阳能电池组件收集硅的方法包括：将废太阳能电池模块浸入选择的有机溶剂中; 从电池分离的强化玻璃主要从废太阳能电池模块收集; 吞咽乙烯醋酸乙烯酯从细胞中热解并除去; 收集细胞; 制备混合酸溶剂以从收集的细胞中除去抗反射涂层和电极材料; 并且将用于提高硅的收集速率的表面活性剂加入到混合酸溶剂中。 （附图标记）（AA）有机溶剂; （B1，B2）扩建; （CC）分解; （D1，D2）EVA：交联部分; （EE）EVA：非交联部分; （FF）加强玻璃; （GG）太阳能电池
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公开(公告)号：KR1020120089916A
公开(公告)日：2012-08-16
申请号：KR1020100131903
申请日：2010-12-21
Applicant: 한국화학연구원
Abstract: PURPOSE: A manufacturing method of an electrode catalyst is provided to easily manufacture a Pt-TiO2/C electrode catalyst having catalytic excellent activity, while even containing a small amount of platinum, and excellent oxygen reduction activity. CONSTITUTION: A manufacturing method of a Pt-TiO2/C electrode catalyst for a fuel cell comprises a step of reduction reaction after mixing and stirring a carbon support, platinum metal precursor, and TiO2 under the presence of a reductant in solvent. In this time the materials are mixed in the state of dispersant in which the TiO2 is dispersed into the solvent by ultra sonic wave. The weight ratio of the platinum metal precursor and the TiO2 is 1:0.3-0.9. The weight ratio of the TiO2 dispersant comprises solvent and TiO2 with the weight ratio of 1:0.001-1.
Abstract translation: 目的：提供电极催化剂的制造方法，以容易地制造具有催化性优异的Pt-TiO2 / C电极催化剂，同时甚至含有少量的铂，并具有优异的氧还原活性。 构成：用于燃料电池的Pt-TiO 2 / C电极催化剂的制造方法包括在还原剂在溶剂中存在下混合并搅拌碳载体，铂金属前体和TiO 2后的还原反应步骤。 此时，材料以分散剂的状态混合，其中TiO 2通过超声波分散到溶剂中。 铂金属前体和TiO 2的重量比为1:0.3-0.9。 TiO 2分散剂的重量比包括溶剂和TiO 2，重量比为1:0.001-1。
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公开(公告)号：KR100738404B1
公开(公告)日：2007-07-13
申请号：KR1020050095295
申请日：2005-10-11
Abstract: 본 발명은 갈륨산아연계 녹색형광체 및 이의 제조방법에 관한 것으로서, 하기 화학식 1로 표시되는, 본 발명에 따른 형광체는 저전압 전자선 여기 하에서 우수한 발광휘도 및 색순도를 나타내어 전계 방출 디스플레이(FED)에 유용하게 사용될 수 있다:
Zn
1-xy Mg
x Ga
2 O
4 :Mn
y
상기 식에서, 0.001≤x≤0.5 및 0-
公开(公告)号：KR1020040060253A
公开(公告)日：2004-07-06
申请号：KR1020020086799
申请日：2002-12-30
Applicant: 한국화학연구원
Abstract: PURPOSE: A method is provided to effectively manufacture field emitters with controlled lengths and diameters by removing the metal tips from ends of carbon nanotubes through an etching process. CONSTITUTION: A method comprises a step of uniformly supplying raw gas for forming a thin film on the substrate disposed in a chamber; a step of heating the reaction chamber to the temperature of 500 to 580 Deg.C so as to thermally decompose the raw gas; a step of supplying catalyst gas in such a manner that the flow rate between the raw gas and the catalyst gas ranges from 1:3 to 1:7; a step of applying high frequency power of 100 to 200W into the chamber, and applying DC bias power to the rear surface of the substrate, to thereby permit the raw gas and the catalyst gas to have plasma state; and a step of depositing and permitting the plasma state raw gas to grow on the substrate so as to thereby vertically orient a carbon nanotube thin film on the substrate.
Abstract translation: 目的：提供一种通过蚀刻工艺从碳纳米管的端部去除金属尖端来有效地制造具有受控长度和直径的场致发射体的方法。 构成：一种方法包括在设置在室中的基板上均匀地供给用于形成薄膜的原料气体的步骤; 将反应室加热至500〜580℃的温度以使原料气体分解的工序; 以使原料气体和催化剂气体之间的流量为1：3〜1：7的方式供给催化剂气体的工序; 向室内施加100〜200W的高频功率，向基板的背面施加直流偏置功率，使原料气体和催化剂气体具有等离子体状态的步骤; 以及沉积并允许等离子体状态的原料气体在基板上生长的步骤，从而使基板上的碳纳米管薄膜垂直取向。
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公开(公告)号：KR1020020072964A
公开(公告)日：2002-09-19
申请号：KR1020010013057
申请日：2001-03-14
Applicant: 대주전자재료 주식회사 , 한국화학연구원
IPC: C09K11/80
CPC classification number: Y02B20/181
Abstract: PURPOSE: Provided are a yellow phosphor of yttrium aluminate which has excellent luminance under excited state of blue light source generated from blue emitting diode, and which is suitable for white light emitting diode, and a method for producing the same. CONSTITUTION: The yellow phosphor of yttrium aluminate is represented by formula: (Y1-a-bCeaLib)3Al5O12(wherein 0.005
Abstract translation: 目的：提供一种在蓝色发光二极管产生的蓝色光源的激发态下具有优异亮度的铝酸钇的黄色荧光体，其适用于白色发光二极管及其制造方法。 构成：铝酸钇的黄色荧光体由下式表示：（Y1-a-bCeaLib）3Al5O12（其中0.005≤a≤0.02,0.1≤b≤0.025）。 该方法包括以下步骤：（i）向作为基质的铝酸钇添加氧化铈（CeO 2）和碳酸锂（Li 2 CO 3），使得式中的0.005 <=0.02,0.01≤b≤0.025; （ii）将混合物干燥并在1,200℃的空气中预干燥干燥的混合物; （iii）冷却预煅烧产物，并在1650℃或更高的温度下对冷却的产品进行热处理; 和（iv）研磨经处理的产品。
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Patent Agency Ranking
公开(公告)号：KR1020130123921A
公开(公告)日：2013-11-13
申请号：KR1020120047443
申请日：2012-05-04
Applicant: 한국화학연구원
CPC classification number: Y02P10/234 , C22B11/046 , C22B7/006
Abstract: The present invention relates to a method for separating platinum group metals by using a solvent extraction method which comprises the steps of: (1) separating an electrolyte membrane of a membrane electrode bond from a gas dispersion layer; (2) separating platinum and ruthenium by immersing the gas dispersion layer into aqua regia; and (3) increasing the purity at least one between the platinum and the ruthenium by using an extract and a diluent after adding the aqua regia to at least one between the extracted platinum and ruthenium. The method for separating platinum and ruthenium from the membrane electrolyte bond according to the present invention is used to efficiently and economically separate the platinum and the ruthenium.
Abstract translation: 本发明涉及一种使用溶剂萃取法分离铂族金属的方法，该方法包括以下步骤：（1）将膜电极结合的电解质膜与气体分散层分离; （2）通过将气体分散层浸入王水中分离铂和钌; 和（3）在将王水添加到提取的铂和钌中的至少一种之后，通过使用提取物和稀释剂，在铂和钌之间提高至少一种纯度。 使用根据本发明的从膜电解质键分离铂和钌的方法来有效和经济地分离铂和钌。
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公开(公告)号：KR101207297B1
公开(公告)日：2012-12-03
申请号：KR1020100083206
申请日：2010-08-27
Applicant: 한국화학연구원
IPC: C01B33/021 , B09B3/00
CPC classification number: Y02W30/20 , Y02W30/827
Abstract: 본발명은태양전지폐 모듈에서의실리콘회수방법에관한것으로, 태양전지모듈의핵심소재인실리콘을회수하기위한최적의조건을찾아서가장효율적으로실리콘을회수하여태양전지의소재로재활용할수 있도록하는태양전지폐 셀에서의실리콘회수방법을제공하는발명에관한것이다. 이를위해본 발명은, a) 태양전지폐 모듈에서 EVA(Ethylene Vinyl Accetate)의부풀어오름현상을이용하여셀을회수하기위해상기폐 모듈을유기용매에침지하는단계; b) EVA의부풀어오름에의해셀과분리된강화유리를선 회수하는단계; c) 강화유리가제거된부풀어오른 EVA에붙어있는셀을불활성분위기, 500~700℃의로(爐)에서 EVA를열분해하여제거하고셀을회수하는단계; d) 회수된셀에서무반사코트막과전극물질을제거하기위하여증류수, 질산, 불산, 황산, 초산을혼합하여혼산용매를제조하는단계; e) 상기혼산용매전체체적의 5~25%에해당하는계면활성제를추가하여혼합용매를제조하는단계; 및 f) 상기 e) 단계에서제조한혼합용매에상기 c) 단계에서회수한셀을 15~25분간침지시켜무반사코트막과전극물질을녹여순수한실리콘을회수하는단계; 를포함하는것을특징으로하는태양전지폐 모듈로부터실리콘회수방법을제공한다.
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公开(公告)号：KR100688902B1
公开(公告)日：2007-03-02
申请号：KR1020050080988
申请日：2005-08-31
Applicant: 한국화학연구원
Abstract: A metal composite catalyst for fuel cell of which activity is improved by the size and the supporting ratio of a supported metal, a preparation method of the metal composite catalyst for fuel cell, and a fuel cell using the metal composite catalyst for fuel cell are provided. In a metal composite catalyst in which a metal catalyst is supported on a carbon support, a metal composite catalyst supported on a mixed carbon support is characterized in that the carbon support is a mixture in which carbon blacks are mixed with graphite nanofibers in a weight ratio range from 100:10 to 100:40. The metal is selected from Pt, Ru, Ni, Co and an alloy formed of combinations thereof. A preparation method of a metal composite catalyst supported on a mixed carbon support comprises the steps of: doping a metal with a mixture in which carbon blacks are mixed with graphite nanofibers in a weight ratio range from 100:10 to 100:40 in the presence of a liquid phase to obtain a solid powder; and filtering and drying the solid powder. The preparation method further comprises the step of treating a support with a basic material between the metal doping step and the filtering and drying step.
Abstract translation: 燃料电池用金属复合催化剂的制备方法以及使用该燃料电池用金属复合催化剂的燃料电池，提供一种通过负载金属的大小和负载率而提高了活性的燃料电池用金属复合催化剂 。 在金属催化剂负载在碳载体上的金属复合催化剂中，负载在混合碳载体上的金属复合催化剂的特征在于，碳载体是炭黑与石墨纳米纤维以重量比混合的混合物 范围从100：10到100：40。 该金属选自Pt，Ru，Ni，Co和由它们的组合形成的合金。 负载在混合碳载体上的金属复合催化剂的制备方法包括以下步骤：在存在碳黑的情况下，将其中炭黑与石墨纳米纤维以100:10至100:40的重量比混合的混合物掺杂到金属中 的液相以获得固体粉末; 过滤并干燥固体粉末。 该制备方法还包括在金属掺杂步骤和过滤干燥步骤之间用碱性材料处理载体的步骤。
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公开(公告)号：KR100599875B1
公开(公告)日：2006-07-13
申请号：KR1020030016696
申请日：2003-03-18
Applicant: 한국화학연구원
Abstract: 본 발명은 화학적으로 안정하고 균일한 구조를 갖는 고품위 탄소나노섬유의 제조방법에 관한 것으로, 구체적으로, 전이금속의 수산화물인 촉매 전구체와 금속의 수산화물인 담체를 메카노케미컬 처리하여 전이금속 담지 촉매를 제조하는 단계, 상기 전이금속 담지 촉매를 수소 가스로 환원시키는 단계, 및 500 내지 900℃의 온도에서 탄화수소 가스를 공급하여 상기 환원된 전이금속 담지 촉매 상에 탄소나노섬유를 성장시키는 단계를 포함하는, 화학기상증착법에 의한 탄소나노섬유의 제조방법을 제공한다.
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公开(公告)号：KR1020040082076A
公开(公告)日：2004-09-24
申请号：KR1020030016696
申请日：2003-03-18
Applicant: 한국화학연구원
CPC classification number: B01J37/0201 , B01J21/02 , B01J21/10 , B01J35/0006 , B01J37/0018 , B01J37/0027 , B01J37/16 , D01F9/12
Abstract: PURPOSE: Provided is a production method of carbon nanofibers having chemical stability and uniform structure through mechanochemical treating catalytic precursor, transition metal hydroxide, and carrier, metal hydroxide. CONSTITUTION: The catalyst supported on transition metal is produced by the following steps of: (i) preparing a transition metal-supported catalyst by mixing transition metal hydroxide such as nickel hydroxide, iron hydroxide or cobalt hydroxide and metal hydroxide, carrier, such as magnesium hydroxide or aluminum hydroxide, wherein transition metal hydroxide and metal hydroxide are mixed in a molar ratio of 1:0.1 - 1:10; (ii) reducing the transition metal-supported catalyst for 20-30min in H2 atmosphere. The carbon nanofibers are grown by flowing hydrocarbon gas such as ethylene, methane or propane into prepared transition metal-supported catalyst at 500-900deg.C and cooling carbon nanofibers at a 4deg.C/min rate in Ar atmosphere. The resultant carbon nanofibers having 100-200nm of diameter and stable structure are used as composites and electrode materials.
Abstract translation: 目的：提供通过机械化学处理催化前体，过渡金属氢氧化物和载体金属氢氧化物，具有化学稳定性和结构均匀的碳纳米纤维的生产方法。 构成：负载在过渡金属上的催化剂通过以下步骤制备：（i）通过混合过渡金属氢氧化物如氢氧化镍，氢氧化铁或氢氧化钴与金属氢氧化物，载体如镁制备过渡金属负载的催化剂 氢氧化物或氢氧化铝，其中过渡金属氢氧化物和金属氢氧化物以1:0.1至1:10的摩尔比混合; （ii）在H 2气氛中将过渡金属负载的催化剂还原20-30分钟。 碳纳米纤维通过将烃类气体如乙烯，甲烷或丙烷以500-900℃的过渡金属负载的催化剂和Ar气氛中4℃/ min的速率冷却碳纳米纤维来生长。 使用直径100-200nm，结构稳定的碳纳米纤维作为复合材料和电极材料。
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