-
公开(公告)号：KR1020130024562A
公开(公告)日：2013-03-08
申请号：KR1020110088085
申请日：2011-08-31
Applicant: 한국과학기술연구원
IPC: C04B35/10 , C04B35/565 , C04B35/109 , C04B35/01
CPC classification number: C04B35/6303 , C04B35/565 , C04B35/6263 , C04B35/66 , C04B2235/3208 , C04B2235/3217 , C04B2235/3218 , C04B2235/3246 , C04B2235/3418 , C04B2235/3826 , C04B2235/5427 , C04B2235/5436 , C04B2235/5445 , C04B2235/5472 , C04B2235/6562 , C04B2235/6565 , C04B2235/77 , C04B2235/96 , C04B2235/9684
Abstract: PURPOSE: Amorphous low erosion-resisting refractory cement is provided to have excellent adhesion property, intensity, thermal conductivity, and erosion-resisting property by adding alumina cement, zircon, and an alumina binder in a refractory compound with alumina(Al2O3) and silicon carbide (SiC). CONSTITUTION: An amorphous low erosion-resisting refractory cement manufacturing method comprises following steps. Alumina cement, zircon, and an alumina binder are added to a refractory mixture containing alumina(Al2O3) and silicon carbide(SiC). Amorphous refractory cement additionally includes one or more of mixtures selected among magnesium oxide, spinel, zirconia, chromia, or hafnium oxide. The content of the alumina binder is 0.5-4 parts by weight of alumina for 100.0 parts by weight of the whole amorphous refractory cement. In the alumina cement, the amount of calcium oxide(CaO) is 10-30 wt%. The added amount of the alumina cement is 0.5-5 wt% among the whole amorphous refractory cement. The added amount of zircon is 1-5 wt% among the whole amorphous refractory cement.
Abstract translation: 目的：通过在氧化铝（Al2O3）和碳化硅的耐火材料中添加氧化铝水泥，锆石和氧化铝粘合剂，提供无定形低侵蚀耐火水泥，具有优异的粘附性，强度，导热性和耐腐蚀性 碳化硅（SiC）。 构成：无定形低侵蚀耐火水泥制造方法包括以下步骤。 将氧化铝水泥，锆石和氧化铝粘合剂加入到含有氧化铝（Al 2 O 3）和碳化硅（SiC）的耐火混合物中。 无定形耐火水泥还包括选自氧化镁，尖晶石，氧化锆，氧化铬或氧化铪中的一种或多种混合物。 对于100.0重量份的整个无定形耐火水泥，氧化铝粘合剂的含量为0.5-4重量份的氧化铝。 在氧化铝水泥中，氧化钙（CaO）的量为10〜30重量％。 在整个无定形耐火水泥中，氧化铝水泥的添加量为0.5-5重量％。 在整个无定形耐火水泥中，锆石的添加量为1-5重量％。
-
公开(公告)号：KR101223482B1
公开(公告)日：2013-01-17
申请号：KR1020100074707
申请日：2010-08-02
Applicant: 한국과학기술연구원
IPC: H01M4/505 , H01M4/48 , B82B3/00 , H01M10/0525
Abstract: 본 발명은 이차전지용 양극 활물질, 이를 이용한 양극과 상기 양극을 이용한 이차전지의 제조방법에 관한 것으로서, 본 발명의 이차전지용 양극의 제조방법은 (1) 용매에 초산인듐과 염화주석을 혼합하여 ITO 졸을 형성하는 단계, (2) 상기 ITO 졸과 양극 활물질을 혼합하고 건조하여 상기 양극 활물질의 표면에 ITO 막을 형성하는 단계 및 (3) 단계 (2)를 거친 ITO 막이 형성된 양극 활물질을 고온열처리하여 ITO를 결정화시켜 나노 ITO 입자가 코팅된 양극 활물질 분말을 형성하는 단계를 포함하여 이루어지고, 본 발명의 이차전지용 양극의 제조방법은 상기의 방법으로 제조된 양극 활물질, 도전재 및 바인더를 혼합하여 슬러리를 형성하는 단계 및 상기 슬러리를 박막에 도포하고 진공 건조하여 양극을 형성하는 단계를 포함하여 이루어지고, 본 발명의 이차전지 의 제조방법은 상기의 방법으로 제조된 양극과 상대 전극을 형성하는 단계 및 상기 양극 및 상대전극 사이에 전해질 및 분리판을 형성하는 단계를 포함하여 이루어진다.
Abstract translation: 目的：提供正极活性物质的制造方法来制造LMO粉末，其中将纳米尺寸的ITO晶体均匀地涂覆在LMO粉末的表面上而没有内聚，从而制造具有简单工艺和显着改善的特性的粉末。 构成：正极活性物质的制造方法包括：通过在溶剂中混合醋酸铟和氯化锡而形成ITO溶胶的工序; 通过混合ITO溶胶和正极活性物质并干燥该混合物，在正极活性物质的表面上形成ITO层的步骤; 以及通过对正极活性物质进行高温热处理，使ITO结晶化而形成正极活性物质粉末的工序。
-
公开(公告)号：KR101219757B1
公开(公告)日：2013-01-09
申请号：KR1020110105885
申请日：2011-10-17
Applicant: 한국과학기술연구원
CPC classification number: C04B35/486 , B82Y30/00 , C04B38/0615 , C04B2111/00853 , C04B2235/3246 , C04B2235/3279 , C04B2235/405 , C04B2235/5445 , C04B2235/5454 , C04B2235/664 , C04B2235/80 , C04B2235/9615 , H01M4/8621 , H01M4/8652 , H01M4/8889 , H01M4/9066 , H01M8/1213 , H01M8/1246 , Y02E60/521 , Y02E60/525 , Y02P70/56 , C04B35/468 , C04B38/0074
Abstract: PURPOSE: A manufacturing method of a porous material is provided to prevent forming a porous body without forming non-uniform macropores or defects generated by carbon coherence by using a nickel salt as a pore-forming agent which can be well-dispersed in an aqueous system. CONSTITUTION: A manufacturing method of an Ni/zirconia type porous body comprises: a step of obtaining a mixture by mixing a zirconia raw material, nickel oxide, a high temperature decomposable nickel salt and a binder; a step of obtaining a molded product by molding the mixture and removing a decomposable material by heat-treating the molded product at low temperatures; and a step of obtaining a sintered body by sintering the molded product at high temperatures; and a step of reducing the sintered body.
Abstract translation: 目的：提供一种多孔材料的制造方法，以防止形成多孔体，而不会形成不均匀的大孔或通过使用镍盐作为成孔剂可产生的碳相干产生的缺陷，该成孔剂可以良好地分散在水性体系中 。 构成：Ni /氧化锆型多孔体的制造方法包括：通过混合氧化锆原料，氧化镍，高温可分解镍盐和粘合剂获得混合物的步骤; 通过模制该混合物并通过在低温下热处理模制产品去除可分解材料来获得模制产品的步骤; 以及通过在高温下烧结成型品而获得烧结体的工序; 以及还原烧结体的工序。
-
公开(公告)号：KR1020100131257A
公开(公告)日：2010-12-15
申请号：KR1020090050059
申请日：2009-06-05
Applicant: 한국과학기술연구원
IPC: C01B31/36 , C04B35/565
CPC classification number: C01B32/956 , C01P2004/61 , C04B35/565
Abstract: PURPOSE: A producing method of silicon carbide powder, heat processing a solution containing a silicon precursor, a carbon precursor, and water is provided to reduce the producing cost by controlling the particle size of the silicon carbide powder. CONSTITUTION: A producing method of silicon carbide powder comprises the following steps: gelling a solution containing a silicon precursor, a carbon precursor, an acidic catalyst, C1~C5 alcohol, and water; drying the outcome; carbonizing the outcome; and heat-processing the outcome in 1,800~1,900deg C.
Abstract translation: 目的：提供碳化硅粉末的制造方法，热处理包含硅前体，碳前体和水的溶液，以通过控制碳化硅粉末的粒径来降低生产成本。 构成：碳化硅粉末的制造方法包括以下步骤：使含有硅前体，碳前体，酸性催化剂，C1〜C5醇和水的溶液凝胶化; 干燥结果; 碳化结果; 并在1800〜1900度热处理结果。
-
公开(公告)号：KR100813014B1
公开(公告)日：2008-03-13
申请号：KR1020060099314
申请日：2006-10-12
Applicant: 한국과학기술연구원
CPC classification number: H01M4/366 , C01F7/02 , C01G51/42 , C01P2004/80 , C01P2004/84 , H01M4/525 , H01M4/62 , H01M10/052 , Y02E60/12
Abstract: A method for preparing a positive electrode active material for a lithium secondary battery, a positive electrode active material prepared by the method, and a lithium secondary battery containing the positive electrode active material are provided to reduce the reaction time and to improve the simplicity of reaction by using water instead of an alcohol and by using a small amount of alumina. A method for preparing a positive electrode active material comprises the steps of hydrolyzing and polymerizing an aluminum alkoxide in an acidic aqueous solution to prepare an alumina sol; adding the alumina sol to a lithium transition metal oxide slurry prepared by using water as a solvent and stirring it to treat the surface of the lithium transition metal oxide with the alumina sol; and removing water and heat treating the dried power, wherein the acidic aqueous solution comprises 20-70 mol of distilled water and 1-4 mol of an organic acid.
Abstract translation: 提供一种锂二次电池用正极活性物质的制造方法，由该方法制备的正极活性物质和含有该正极活性物质的锂二次电池，以减少反应时间，提高反应的简单性 通过使用水代替酒精和使用少量的氧化铝。 制备正极活性物质的方法包括在酸性水溶液中水解和聚合烷氧化铝以制备氧化铝溶胶的步骤; 将氧化铝溶胶加入通过使用水作为溶剂制备的锂过渡金属氧化物浆料并搅拌以用氧化铝溶胶处理锂过渡金属氧化物的表面; 除去水并热处理干燥的动力，其中酸性水溶液包含20-70摩尔蒸馏水和1-4摩尔有机酸。
-
Patent Agency Ranking
公开(公告)号：KR100804481B1
公开(公告)日：2008-02-20
申请号：KR1020060096370
申请日：2006-09-29
Applicant: 한국과학기술연구원
CPC classification number: H01M4/8621 , C04B35/48 , C04B35/50 , C04B2111/00853 , C04B2235/3224 , C04B2235/3246 , H01M4/8885 , H01M8/1213 , H01M2004/8684 , H01M2008/1293 , Y02E60/525
Abstract: A method for preparing a copper-based anode material for a solid oxide fuel cell is provided to make more simply a copper oxide composite sintered body suitable for an anode. A method for preparing a copper-based anode material comprises the steps of dispersing a Y2O3-stabilized ZrO2 or Ce_0.9 Gd_0.1 O_2 powder in a solvent, and adding an acidic copper salt to it; adding a basic copper salt to it; removing the solvent to obtain a dry powder; calcining the obtained powder at a temperature of 300-600 deg.C to obtain a composite powder; and molding the obtained composite powder and heat treating the molded one at a temperature of 1,100-1,250 deg.C.
Abstract translation: 提供一种制备用于固体氧化物燃料电池的铜基阳极材料的方法，以更简单地制备适于阳极的氧化铜复合烧结体。 制备铜基阳极材料的方法包括将Y 2 O 3稳定的ZrO 2或Ce_0.9 Gd_0.1O_2粉末分散在溶剂中，并向其中加入酸性铜盐的步骤; 向其中加入碱性铜盐; 除去溶剂得到干粉; 在300〜600℃的温度下煅烧得到的粉末，得到复合粉末; 并将所得到的复合粉末成型并在1100〜1,250℃的温度下热处理。
-
公开(公告)号：KR100437482B1
公开(公告)日：2004-06-25
申请号：KR1020010075959
申请日：2001-12-03
Applicant: 한국과학기술연구원
IPC: C01G1/02
Abstract: PURPOSE: A method for preparing a composite metal oxide powder is provided, to enable a calcination process for the formation of phase to be omitted or the temperature to be lowered largely by improving the easiness of solid solution reaction in heat treatment. CONSTITUTION: The method comprises the steps of mixing at least one metal oxide powder with a low reactivity in the quantity smaller than the stoichiometrically necessary amount in a solvent to prepare slurry; adding a metal salt or a metal alkoxide to the slurry in the quantity satisfying the stoichiometrically necessary amount; adding an excess amount of water to hydrolyze the metal salt or the metal alkoxide; and removing the solvent, and drying and heating the remaining one. Preferably the amount of the metal salt or the metal alkoxide added to the slurry is 5-10 wt% of the stoichiometrically necessary amount. Preferably the metal salt is a metal nitrate salt; and the metal alkoxide is propoxide, isopropoxide, isobutoxide or n-butoxide of metal. Preferably the composite metal oxide powder is Pb(Zr(1-w), Tiw)O3 (0
Abstract translation: 目的：提供一种制备复合金属氧化物粉末的方法，通过改善热处理中固溶反应的容易性，可以省去形成相的煅烧过程或大大降低温度。 组成：该方法包括以下步骤：在溶剂中混合至少一种具有小于化学计量必要量的低反应性的金属氧化物粉末以制备浆料; 将金属盐或金属醇盐以满足化学计量必需量的量加入浆液中; 加入过量的水以水解金属盐或金属醇盐; 并除去溶剂，并干燥和加热剩余的一个。 优选地，加入到浆料中的金属盐或金属醇盐的量为化学计量必需量的5-10重量％。 优选金属盐是金属硝酸盐; 金属醇盐为金属的丙醇盐，异丙醇盐，异丁醇盐或正丁醇盐。 （Zr（1-w），Tiw）O 3（0
-
公开(公告)号：KR100321294B1
公开(公告)日：2002-03-18
申请号：KR1019990016772
申请日：1999-05-11
Applicant: 한국과학기술연구원
Abstract: 본발명은자전고온합성법에의한카바이드또는보라이드세라믹분말제조방법으로서, 반응기내부의압력을 5 내지 15 기압의고압으로유지함으로써자전고온합성법(self-propagating high-temperature synthesis, SHS)의문제점인미완결반응문제점을해결하여효율적으로카바이드(carbide) 또는보라이드(boride) 세라믹분말을제조하는방법에관한것이다. 본발명에의하면, 반응중발생하는산소를제거하기위하여사용되는금속(Mg 도는 Al)의휘발을억제하고, 반응중에생기는압력증가를억제할수 있으며, 반응과정중의반응기내의압력차이를작게하여반응이보다균일하게진행되게할 뿐아니라, 완전한반응을가능하게한다.
-
公开(公告)号：KR100325376B1
公开(公告)日：2002-03-06
申请号：KR1019990038145
申请日：1999-09-08
Applicant: 한국과학기술연구원
Abstract: 본발명은소결을이용하지않는다공성알루미늄재료의제조방법에관한것으로, 침상알루미늄분말또는알루미늄단섬유를원하는모양의틀에고르게넣는단계와, 유기바인더용액을상기틀에부어서상기알루미늄분말또는알루미늄단섬유를적시는단계와, 상기과잉의유기바인더용액을제거하는단계와, 유기바인더가표면에도포된상기알루미늄분말또는알루미늄단섬유에소정의압력을인가하면서건조하는단계로이루어진다. 이렇게제조된알루미늄재료는충분한취급강도를가지면서도 70% 이상의기공도를나타낼뿐 아니라, 균일한기공분포를가진다.
-
公开(公告)号：KR1020010026718A
公开(公告)日：2001-04-06
申请号：KR1019990038145
申请日：1999-09-08
Applicant: 한국과학기술연구원
CPC classification number: C22C1/08 , B01D39/2031 , C22C1/04 , C22C21/00
Abstract: PURPOSE: A method for preparing porous aluminum material using an organic binder is provided which has a high handling strength, a uniform pore distribution and a high porosity of 70% or more despite of a relatively simple process, and inexpensive manufacturing cost and simple process by not using aluminum sintering method. CONSTITUTION: The method comprises the steps of uniformly putting one material selected from needle shaped aluminum powder and aluminum monofilament in a desirably shaped frame; wetting the needle shaped aluminum powder or aluminum monofilament by pouring an organic binder solution into the frame; removing the excessive organic binder solution; and drying the material as applying a certain pressure to the aluminum powder or aluminum monofilament on the surface of which an organic binder is coated.
Abstract translation: 目的：提供一种使用有机粘合剂制备多孔铝材料的方法，尽管工艺相对简单，但操作强度高，孔分布均匀，孔隙率高达70％以上，制造成本低廉，制程简单 不采用铝烧结法。 构成：该方法包括将从针状铝粉末和铝单丝中选择的一种材料均匀地放置在期望形状的框架中的步骤; 通过将有机粘合剂溶液倒入框架中来润湿针状铝粉或铝单丝; 去除过量的有机粘合剂溶液; 并且在施加有机粘合剂的表面上施加一定压力的铝粉或铝单丝上干燥材料。
-
-
-
-
-
-
-
-
-
Search Results
65
records
(took 0.023 seconds)
