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公开(公告)号:KR1020030019385A
公开(公告)日:2003-03-06
申请号:KR1020027015454
申请日:2000-05-19
Applicant: 한국과학기술연구원
IPC: H01M10/05
CPC classification number: H01M10/058 , H01M2/145 , H01M2/162 , H01M2/1673 , H01M10/052 , H01M10/056 , H01M10/0565
Abstract: PURPOSE: Provided are a novel composite polymer electrolyte, a lithium secondary battery comprising the composite polymer electrolyte and their fabrication methods. The composite polymer electrolyte has improved adhesion with electrodes, good mechanical strength, improved performance at low and high temperatures, improved compatibility with organic electrolytes of lithium secondary battery and it can be applied to the manufacture of lithium secondary batteries. CONSTITUTION: The composite polymer electrolyte comprises super fine fibrous porous polymer electrolyte matrix with particles having diameter of 1 - 3000 nm, polymers and lithium salt-dissolved organic electrolyte solutions incorporated into the porous polymer electrolyte matrix. The fabrication method of the composite polymer electrolyte comprises the steps of: obtaining two or more polymeric solutions by dissolving two or more polymers which can be formed into fibers in a mixture of a plasticizer and an organic solvent respectively; filling the obtained polymeric solutions into different barrels of an electrospinning apparatus respectively and then discharging the polymeric solutions onto a substrate including a metal plate, a Mylar film and electrodes with different nozzles charged with a high voltage, to generate polymer electrolyte matrices in a state that the two or more polymer fibers are entangled with each other respectively; and injecting a polymer electrolyte solution containing a polymer and an organic electrolyte solution into the polymer electrolyte matrices. The lithium secondary battery comprises the composite polymer electrolyte and its fabrication method comprises the steps of: inserting the composite polymer electrolyte between an anode and a cathode; inserting the resulting plate into a battery casing after laminating or rolling it; injecting an organic electrolyte solution into the battery casing; and sealing the casing.
Abstract translation: 目的:提供一种新型复合聚合物电解质,包含复合聚合物电解质的锂二次电池及其制造方法。 复合聚合物电解质具有改善的与电极的粘附性,良好的机械强度,在低温和高温下的改进性能,改善了与锂二次电池的有机电解质的相容性,并且可以应用于锂二次电池的制造。 构成:复合聚合物电解质包括掺入多孔聚合物电解质基质中的超细纤维多孔聚合物电解质基质,其具有直径为1至3000nm的颗粒,聚合物和锂盐溶解的有机电解质溶液。 复合聚合物电解质的制造方法包括以下步骤:通过将可形成纤维的两种或更多种聚合物分别溶解在增塑剂和有机溶剂的混合物中来获得两种或多种聚合物溶液; 将获得的聚合物溶液分别填充到不同的电纺丝装置的筒中,然后将聚合物溶液排放到包括金属板,聚酯薄膜和具有加高电压的不同喷嘴的电极的基底上,以产生聚合物电解质基质, 两种或多种聚合物纤维分别缠结在一起; 并将含有聚合物和有机电解质溶液的聚合物电解质溶液注入聚合物电解质基质中。 锂二次电池包括复合高分子电解质,其制造方法包括以下步骤:在阳极和阴极之间插入复合聚合物电解质; 将所得的板材在层压或轧制之后将其插入电池壳体中; 将有机电解质溶液注入到电池壳体中; 并密封外壳。
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公开(公告)号:KR100365582B1
公开(公告)日:2002-12-26
申请号:KR1020000019470
申请日:2000-04-14
Applicant: 한국과학기술연구원
IPC: C01B31/08
Abstract: 본 발명은 염화불화탄소(CFC)를 탈염소수소화하여 이의 대체물질인 불화탄화수소(HFC)를 제조하는데 유용한 팔라듐 촉매(Pd/C)를 제조하기 위한 활성탄의 전처리 방법에 관한 것으로, 이에 의하여 제조되는 촉매의 활성 및 선택도를 높이는 것이 목적이다.
촉매의 담체인 활성탄을 순차적으로 HF 수용액과 HCl 수용액으로 처리한다. 촉매는 전처리한 활성탄을 상온에서 팔라듐 이온에 함침시키는 단계와; 80∼200℃에서 건조시키는 단계와; 공기 분위기하에 300∼500℃에서 소성하는 단계를 거쳐 제조한다.-
公开(公告)号:KR100321116B1
公开(公告)日:2002-03-18
申请号:KR1019990030402
申请日:1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/00
CPC classification number: C07D317/36 , C07D317/38
Abstract: 본발명은아래의화학식 2의조성을갖는촉매계의존재하에서알킬렌옥사이드와이산화탄소를반응시켜알킬렌카보네이트를제조하는방법에관한것이다. 상기화학식 2 중에서, M은알칼리금속, X와 Y는서로독립적으로 Cl, Br, I로구성되는군에서선택된할로겐원소이며, a와 b는 a와 b의비율이 1:20에서 5:1까지만족시키는정수이다.
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公开(公告)号:KR1020020006947A
公开(公告)日:2002-01-26
申请号:KR1020000040535
申请日:2000-07-14
Applicant: 한국과학기술연구원
IPC: C23F1/46
CPC classification number: C23F1/46
Abstract: PURPOSE: A method for efficiently injecting iron powder into the aqueous solution is provided which minimizes the amount of expensive iron powder used and maintains the proper reaction rate in removing nickel from a waste iron chloride aqueous solution containing nickel. CONSTITUTION: In removing nickel by injecting iron powder into a waste iron chloride aqueous solution containing nickel, the method for injecting the iron powder is characterized in that the iron powder having an amount determined by below mathematical equation is injected so that a nickel removal reaction rate is constantly maintained depending on the change of a nickel concentration. In the mathematical equation where W(Fe)/W(L) is an amount of iron powder injected per a unit volume of the waste iron chloride aqueous solution, R is a reaction ratio, C(Ni) is an initial concentration of nickel, t is a reaction time, and k' and b' are constants, wherein the iron powder having an amount which is calculated by the mathematical equation is injected at arbitrary time points or continuously.
Abstract translation: 目的:提供一种有效地将铁粉注入水溶液中的方法,其使得所使用的昂贵的铁粉的量最小化并保持从含镍的废铁水溶液中除去镍的适当反应速率。 构成:通过将铁粉注入到含有镍的废铁水溶液中除去镍中,注入铁粉的方法的特征在于,注入由下述数学式决定的量的铁粉,使镍去除反应率 根据镍浓度的变化不断地维持。 在其中W(Fe)/ W(L)是废铁水水溶液每单位体积注入的铁粉量的数学方程式中,R是反应比,C(Ni)是镍的初始浓度, t是反应时间,k'和b'是常数,其中通过数学方程计算的量的铁粉以任意时间点或连续地注入。
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公开(公告)号:KR100302458B1
公开(公告)日:2001-09-22
申请号:KR1019990027756
申请日:1999-07-09
Applicant: 한국과학기술연구원
IPC: C07C19/08
Abstract: 본발명은안티모니염화불화물을촉매로사용하여클로로플루오로카본(CFC) 또는하이드로클로로플루오로카본(HCFC)을합성하는액상반응에있어서, 복수개의분배관, 분배관과연결되어있는침액관, 드래프트튜브를설치하여불화수소를반응기내벽주변에분산·공급함으로써상기안티모니염화불화물의고형화를억제하고고형촉매의벽면부착을억제하는불화수소의공급방법에관한것이다.
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公开(公告)号:KR1020010083481A
公开(公告)日:2001-09-01
申请号:KR1020000007028
申请日:2000-02-15
Applicant: 한국과학기술연구원
IPC: C23F1/46
CPC classification number: C23F1/46
Abstract: PURPOSE: A method is provided which reduces trivalent ferric chloride in an iron chloride aqueous solution to bivalent ferrous chloride hydrate in a method for efficiently recycling an etchant of a waste iron chloride aqueous solution used when etching iron, iron-nickel alloy, etc. CONSTITUTION: The continuous reduction apparatus of an iron chloride aqueous solution comprises a column reactor (1) into which a waste iron chloride aqueous solution is to be introduced and in which an iron material is filled; a stirring reactor (2) into which an iron chloride aqueous solution discharged from the column reactor (1) is to be introduced, and which comprises an LIC (level indicating controller) and an ORPAIC (oxidation reduction potential analysis indicating controller); and a circulation pump (3) for circulating the iron chloride aqueous solution of the stirring reactor (2) to the column reactor (1), wherein the LIC (level indicating controller) controls the flow rate of a waste iron chloride aqueous solution introduced to the column reactor by measuring the level of the iron chloride aqueous solution inside the stirring reactor, and the ORPAIC (oxidation reduction potential analysis indicating controller) controls the flow rate of an iron chloride aqueous solution discharged from the stirring reactor by measuring an oxidation reduction potential of the iron chloride aqueous solution inside the stirring reactor.
Abstract translation: 目的:提供一种在将铁,铁 - 镍合金等刻蚀时使用的废铁水溶液的蚀刻剂有效地回收的方法中,将氯化铁水溶液中的三价氯化铁还原成二价氯化亚铁水合物的方法。 :氯化铁水溶液的连续还原装置包括塔式反应器(1),其中将引入废铁水溶液并填充铁材料; 将从塔式反应器(1)排出的氯化铁水溶液引入其中的搅拌反应器(2),其包括LIC(液位指示控制器)和ORPAIC(氧化还原电位分析指示控制器); 以及用于将搅拌反应器(2)的氯化铁水溶液循环到塔式反应器(1)的循环泵(3),其中LIC(液位指示控制器)控制引入到 通过测量搅拌反应器内的氯化铁水溶液的水平,通过测量氧化还原电位,ORPAIC(氧化还原电位分析指示控制器)控制从搅拌反应器排出的氯化铁水溶液的流量 的搅拌反应器内的氯化铁水溶液。
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公开(公告)号:KR100277207B1
公开(公告)日:2001-01-15
申请号:KR1019980011861
申请日:1998-04-03
Applicant: 한국과학기술연구원
IPC: C07C271/26 , C07C271/24
Abstract: M
2 SeO
3 , M
2 Se
2 O
5 및 (CH
3 O)SE(O)(OM)[M = Li, Na, K, Rb, 또는 Cs 중에서 선택된 알칼리 금속] 중에서 선택된 1종 이상의 셀레늄 촉매계의 존재하에서 아민을 알코올 및 CO/O
2 혼합가스와 반응시켜 카바메이트를 제조하는 방법.-
公开(公告)号:KR1020000041709A
公开(公告)日:2000-07-15
申请号:KR1019980057663
申请日:1998-12-23
Applicant: 한국과학기술연구원
IPC: C09K5/04
CPC classification number: C09K5/045 , C09K2205/122 , C09K2205/22 , C09K2205/43 , F25B9/006
Abstract: PURPOSE: A refrigerant mixture added one component of HFC-236ea, R-600a and HFC-236ea to a mixture of HFC-32 and HFC-134a additionally is provided which exhibits performance similar to HCFC-22. CONSTITUTION: A refrigerant mixture free from ozonosphere destruction danger, which can be used as a substitute for chlorodifluoromethane(CHCIF2) comprises difluoromethane(CH2F2, HFC-32) as a first component, 1,1,1,2-tetrafluoroethane(CF3CH2F, HFC-134a) as a second component and one component selected from the group of 1,1,1,2,3,3,3-heptafluoropropane(CH3CHFCF3, HFC-236ea), isobutane(C4H10, R-600a) and 1,1,1,2,3,3-hexafluoropropane(CHF2CHFCF3, HFC-236ea) a third component. The composition of HFC-32, HFC-134a and HFC-227ea is 35 to 70% by weight, 5 to 60% by weight and 5 to 30% by weight respectively.
Abstract translation: 目的:提供一种制冷剂混合物,将HFC-236ea,R-600a和HFC-236ea的一个组分另外添加到HFC-32和HFC-134a的混合物中,其性能类似于HCFC-22。 构成:可用作替代氯二氟甲烷(CHCIF2)的无臭氧层破坏危险的制冷剂混合物包括作为第一组分的二氟甲烷(CH 2 F 2,HFC-32),1,1,1,2-四氟乙烷(CF 3 CH 2 F,HFC -134a)作为第二组分和一种选自1,1,1,2,3,3,3-七氟丙烷(CH 3 CHFCF 3,HFC-236ea),异丁烷(C 4 H 10,R-600a)和1,1 ,1,2,3,3-六氟丙烷(CHF 2 CHFCF 3,HFC-236ea)第三组分。 HFC-32,HFC-134a和HFC-227ea的组成分别为35〜70重量%,5〜60重量%和5〜30重量%。
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公开(公告)号:KR100242790B1
公开(公告)日:2000-03-02
申请号:KR1019970009808
申请日:1997-03-21
Applicant: 한국과학기술연구원
IPC: G01N30/00
CPC classification number: G01N15/0893 , G01N31/10 , G01N2015/0833
Abstract: 본 발명은 촉매특성 분석장치에 관한 것으로, 유통식 반응기에 체적식 분석장치를 결합함으로써 촉매를 공기중에 노출시키지 않을 뿐만 아니라 촉매의 특성을 변화시킬 염려가 있는 전처리 조작없이 체적식 흡착방법에 의하여 촉매의 특성을 분석할 수 있어 실제 반응상태에서의 촉매특성을 정확히 측정할 수 있게 되도록 한 것이다. 또한 본 발명은 유통식 반응기에 체적식 분석장치와 아울러 유통식 분석장치를 결합함으로써 보다 다양한 촉매의 특성을 보다 정확하게 분석할 수 있으며, 반응도중에 촉매의 특성을 연속적으로 또는 교대로 분석할 수 있도록 한 것이다.
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