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公开(公告)号：KR1020120024237A
公开(公告)日：2012-03-14
申请号：KR1020100087028
申请日：2010-09-06
Applicant: 한국화학연구원
CPC classification number: Y02P10/234 , C22B11/06 , C22B7/006 , C22B7/009 , C22B11/048
Abstract: PURPOSE: A method for recovering platinum from a platinum catalyst is provided to increase precipitation activity and prevent the emission of chlorine gas by adding acetone in a tetrakis(triphenylphosphine)platinum precipitation process. CONSTITUTION: A method for recovering platinum from a platinum catalyst comprises the steps of: adding aqua regia to a platinum-based catalyst to prepare chloroplatinic acid solution, filtering the chloroplatinic acid solution in order to separate insoluble solid components, adding acetone and triphenylphosphine to the filtrate in order to precipitate tetrakis(triphenylphosphine)platinum, and plasticizing tetrakis(triphenylphosphine)platinum precipitate in order recover platinum.
Abstract translation: 目的：提供一种从铂催化剂中回收铂的方法，以增加沉淀活性，并通过在四（三苯基膦）铂沉淀工艺中加入丙酮来防止氯气的排放。 构成：从铂催化剂中回收铂的方法包括以下步骤：向铂系催化剂中加入王水以制备氯铂酸溶液，过滤氯铂酸溶液以分离不溶固体成分，向丙酮和三苯基膦加入 滤液以沉淀四（三苯基膦）铂，并且使四（三苯基膦）铂沉淀物增塑，以回收铂。
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公开(公告)号：KR1020110096437A
公开(公告)日：2011-08-30
申请号：KR1020100015878
申请日：2010-02-22
Applicant: 한국화학연구원
Abstract: 본 발명은 고활성 연료전지용 백금-망간계 합금 캐소드 촉매에 관한 것으로서, 백금 입자와 망간 입자의 중량비가 1 : 0.05∼0.8 인 백금-망간계 합금 입자가 탄소지지체에 담지된, 본 발명에 따른 캐소드 촉매는 고가의 백금을 적게 함유하면서도 활성이 우수하여 연료전지, 특히 고분자 전해질 연료전지에 사용되어 산소환원반응 활성을 향상시킬 수 있다.
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公开(公告)号：KR1020110031688A
公开(公告)日：2011-03-29
申请号：KR1020090089039
申请日：2009-09-21
Applicant: 한국화학연구원
CPC classification number: Y02W30/827 , Y02W30/84 , B09B3/0016 , B01D11/02 , B09B5/00 , F23G7/00 , F23G2900/7007 , H01M6/52 , H01M10/54 , Y02W30/20 , Y02W30/50
Abstract: PURPOSE: A cell recovering method of a solar battery waste module is provided to recycle a solar battery cell as a pure silicon wafer, and to economically reduce silicon. CONSTITUTION: A cell recovering method of a solar battery waste module comprises the following: cutting the solar battery waste module with damaged pyrex glass(14) into a constant size, and dipping into an organic solvent; separating the pyrex glass from EVA(12) and cells(11); and heat-processing the EVA and cells, for dissolving the EVA and collecting the cells.
Abstract translation: 目的：提供太阳能电池废物模块的电池回收方法，以循环使用太阳能电池作为纯硅晶片，并经济地减少硅。 构成：太阳能电池废物模块的电池回收方法包括以下步骤：将具有损坏的热解玻璃（14）的太阳能电池废料模块切割成恒定尺寸，并浸入有机溶剂中; 将Pyrex玻璃与EVA（12）和电池（11）分离; 并对EVA和细胞进行热处理，以溶解EVA并收集细胞。
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公开(公告)号：KR1020110024497A
公开(公告)日：2011-03-09
申请号：KR1020090082523
申请日：2009-09-02
Applicant: 한국화학연구원
CPC classification number: Y02E60/523 , Y02P70/56
Abstract: PURPOSE: A method for preparing cathode Pt/C catalysts for fuel cells is provided to efficiently produce cathode Pt/C catalysts with excellent oxygen reduction reaction activity since platinum particles are dipped in a carbon support with uniformly high specific surface area. CONSTITUTION: A method for preparing cathode Pt/C catalysts for fuel cells comprises the steps of: mixing a carbon support and a platinum metal precursor in the presence of a reducing agent in a solvent; and reducing the mixture to dip platinum particles in the carbon support. The reduction reaction is carried using HCHO as the reducing agent at 40-90 °C for 30-90 minutes or using NaBH4 as the reducing agent at 40-60 °C for 12-48 hours.
Abstract translation: 目的：提供一种制备用于燃料电池的阴极Pt / C催化剂的方法，以有效生产具有优异氧还原反应活性的阴极Pt / C催化剂，因为铂颗粒浸入具有均匀高比表面积的碳载体中。 构成：用于制备用于燃料电池的阴极Pt / C催化剂的方法包括以下步骤：在还原剂存在下在溶剂中混合碳载体和铂金属前体; 并且还原混合物以将铂颗粒浸入碳载体中。 还原反应在40-90℃下使用HCHO作为还原剂进行30-90分钟，或者使用NaBH 4作为还原剂，在40-60℃下进行12-48小时。
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公开(公告)号：KR1020110009336A
公开(公告)日：2011-01-28
申请号：KR1020090066689
申请日：2009-07-22
IPC: C07C69/734 , C07C69/54 , C07C67/08
Abstract: PURPOSE: A monomer for preparing a calcium ion-sequestering polymer is provided to improve the calcium ion-sequestering property of a water-soluble copolymer in a water-soluble system. CONSTITUTION: A monomer for preparing a calcium ion-sequestering polymer is represented by chemical formula 1. In chemical formula 1, R1 is hydrogen or methyl, and n is 1~10. A method for preparing the monomer comprises the steps of: reacting alkoxyethanol of chemical formula 3 with epichlorohydrin in a base and a reaction catalyst of chemical formula 4 or 5 to prepare a compound of chemical formula 2; and reacting the compound of chemical formula 2 with an acrylic acid or methacrylic acid in the presence of an acid catalyst to prepare a monomer of chemical formula 1.
Abstract translation: 目的：提供用于制备钙离子螯合聚合物的单体，以改善水溶性共聚物在水溶性体系中的钙离子螯合性能。 构成：用于制备钙离子螯合聚合物的单体由化学式1表示。在化学式1中，R 1是氢或甲基，n是1〜10。 制备单体的方法包括以下步骤：使化学式3的烷氧基乙醇与表氯醇在碱和化学式4或5的反应催化剂中反应以制备化学式2的化合物; 并在酸催化剂存在下使化学式2的化合物与丙烯酸或甲基丙烯酸反应，制备化学式1的单体。
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Patent Agency Ranking
公开(公告)号：KR1020100116419A
公开(公告)日：2010-11-01
申请号：KR1020090035107
申请日：2009-04-22
Applicant: 한국화학연구원
CPC classification number: H01M4/926 , B01J23/42 , B01J37/16 , H01M2004/8689 , H01M2008/1095 , Y02E60/521
Abstract: PURPOSE: A manufacturing method of a Pt/C cathode catalyst for a fuel cell is provided to effectively manufacture the catalyst with the excellent oxygen reduction reaction activity and the minimized platinum carrying amount. CONSTITUTION: A manufacturing method of a Pt/C cathode catalyst for a fuel cell comprises the following steps: mixing a carbon supporter and a platinum metal precursor inside a solvent, and reducing the mixture to carry 15~25wt% of platinum particles on the carbon supporter; and heat-processing the carbon supporter in 400~600 deg C to make the size of the platinum particles of 2~6 nanometers, and the full width at half maximum of 0.8~1.2 degrees.
Abstract translation: 目的：提供一种用于燃料电池的Pt / C阴极催化剂的制造方法，以有效地制造具有优异的氧还原反应活性和最小化铂载量的催化剂。 构成：用于燃料电池的Pt / C阴极催化剂的制造方法包括以下步骤：将碳载体和铂金属前体混合在溶剂内，并将该混合物还原为在载体上携带15〜25wt％的铂颗粒 支持者; 并在400〜600摄氏度下对碳载体进行加热处理，使铂粒子的尺寸为2〜6纳米，半宽度为0.8〜1.2度。
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公开(公告)号：KR1020070040034A
公开(公告)日：2007-04-16
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 0Abstract translation: 本发明镓出生相关联的绿色荧光材料，并且作为其根据本发明，由通式涉及一种用于制备，对于荧光体（1）显示出低电压电子束在这里是在一个场致发射显示器有用下优异的亮度和色纯度（FED） 可以：
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公开(公告)号：KR1020060018472A
公开(公告)日：2006-03-02
申请号：KR1020040066853
申请日：2004-08-24
Applicant: 한국화학연구원
CPC classification number: C01B32/162 , C23C16/26 , D01F9/12
Abstract: 본 발명은 메카노케미컬 처리된 촉매를 이용한 탄소나노섬유의 제조방법에 관한 것으로서, 더욱 상세하게는 촉매인 니켈과 담체인 마그네슘을 혼합시켜 특정의 반응 조건에서 메카노케미컬 처리한 담지촉매에, 탄소소재로 아세틸렌을 사용하여 합성하는 화학기상증착법으로 탄소나노섬유를 제조하면, 입경의 크기가 10 ∼ 100 ㎚으로 미세하고, 불순물을 적게하여 고품위를 가지고, 열 및 화학적으로 매우 안정하며 환경친화적이여서 연료전지용 전극지지체, 전계방출 디스플레이의 에미터용 소재로 적용 가능성이 높은 메카노케미컬 처리된 촉매를 이용한 탄소나노섬유의 제조방법에 관한 것이다.
니켈, 마그네슘, 메카노케미컬, 탄소나노섬유-
公开(公告)号：KR100500210B1
公开(公告)日：2005-07-11
申请号：KR1020020072361
申请日：2002-11-20
Applicant: 한국화학연구원
Abstract: 본 발명은 기계화학적으로 처리된 촉매를 사용하는 탄소 나노튜브의 제조방법에 관한 것으로, 600 내지 1800 rpm의 속도로 30 내지 120분 동안 밀링(milling)된 전이금속/다공성지지체 촉매를 수소로 환원시킨 후 이 촉매에 고온에서 탄화수소 가스를 공급하여 촉매 위에 탄소 나노튜브를 성장시키는 것을 특징으로 하며, 본 발명의 촉매 화학기상증착법에 의하면, 균일하게 혼합되고 활성이 증가된 촉매를 사용함으로써 화학적으로 안정하고 균일한 고품위 탄소 나노튜브를 경제적으로 제조할 수 있다.
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公开(公告)号：KR1020030087470A
公开(公告)日：2003-11-14
申请号：KR1020020025847
申请日：2002-05-10
Applicant: 한국화학연구원
Abstract: PURPOSE: A purification method of carbon nanofibers is provided for use as cathode materials for secondary batteries and hydrogen storage medium for fuel batteries by using hydrogen peroxide(H2O2). CONSTITUTION: The carbon nanofibers are purified by the following steps of: (S100) mixing carbon nanofibers with H2O2(18-38%) in a weight ratio of 1 : 2000-4000; (S200) heating at 60-90deg.C for 5-20hrs; (S300) cooling at room temperature; (S400) filtering to separate carbon nanofibers from H2O2 through a polymer filter paper; and (S500) drying at 80deg.C for 48hrs in oven.
Abstract translation: 目的：通过使用过氧化氢（H2O2），提供碳纳米纤维的净化方法，用作二次电池的阴极材料和燃料电池的储氢介质。 构成：碳纳米纤维通过以下步骤纯化：（S100）将碳纳米纤维与H 2 O 2（18-38％）以1:2000-4000的重量比混合; （S200）在60-90℃加热5-20小时; （S300）在室温下冷却; （S400）过滤以通过聚合物滤纸将碳纳米纤维与H 2 O 2分离; 和（S500）在80℃干燥48小时。
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