-
公开(公告)号：KR101580410B1
公开(公告)日：2015-12-28
申请号：KR1020140120954
申请日：2014-09-12
Applicant: 숭실대학교산학협력단
Abstract: 본발명은질소분위기하에서캡핑제(capping agent), 올레익산(oleic acid), 1-옥타데센(1-octadecene) 및올레일아민(oleylamine)을혼합하여캡핑용액을제조하는단계(제1단계); 백금아세틸아세토네이트, 니켈아세틸아세토네이트, 1-옥타데센(1-octadecene) 및올레일아민(oleylamine)을혼합하여금속염용액을제조하는단계(제2단계); 상기캡핑용액과금속염용액을혼합하여혼합용액을제조하는단계(제3단계); 및상기혼합용액을열분해반응하여코어쉘구조의나노입자를형성하고, 다시급랭하여나노입자를수득하는단계(제4단계)를포함하는백금-니켈합금코어쉘나노입자제조방법을제공한다. 수지상나노촉매는기존의같은크기의나노입자에비해비표면적이크게증가하기때문에촉매의활성면적이증가되어, 백금만사용하였을경우보다높은산소환원능력을가지는전극을제조할수 있다.
Abstract translation: 本发明的方法包括：在氮气气氛下混合封端剂，油酸，1-十八碳烯和油胺以制备封端溶液的第一步骤; 用于混合乙酰丙酮酸银，乙酰丙酮镍1-十八碳烯和油胺的第二步以制备金属盐溶液; 第三步骤，用于将封盖溶液和金属盐溶液混合以制造混合溶液; 以及进行热解反应以形成具有核 - 壳结构的纳米颗粒以快速冷却下来并获得纳米颗粒的第四步骤。 树脂相纳米催化剂的比表面积比相同尺寸的常规纳米颗粒的比表面积增加，并且催化剂的活化面积增加。 同样，可以制造比仅使用铂时具有更高氧还原能力的电极。
-
-
公开(公告)号：KR1020140122863A
公开(公告)日：2014-10-21
申请号：KR1020130039835
申请日：2013-04-11
Applicant: 현대자동차주식회사 , 숭실대학교산학협력단
CPC classification number: H01M4/9075 , H01M4/925 , Y02E60/50
Abstract: The present invention relates to a titanium suboxide support for a catalyst electrode for a fuel cell and to a low-temperature synthesis method of the titanium suboxide support. More specifically, the present invention relates to titanium suboxide (Ti_xO_2x-1) nanoparticles which are useful as a support for a catalyst electrode for a fuel cell; and to a method for synthesizing the titanium suboxide (Ti_xO_2x-1) nanoparticles at a low temperature of 600-900°C by using TiO_2, a Co catalyst and hydrogen gas. The titanium suboxide nanoparticles have the advantage of having excellent corrosion resistance to acid, high thermal conductivity and electrical conductivity, and excellent durability. Therefore, the catalyst electrode manufactured by using the titanium suboxide nanoparticles as a support shows high catalytic activity and enhanced oxidation-reduction properties through a fuel cell test.
Abstract translation: 本发明涉及一种用于燃料电池用催化剂电极的低氧化钛载体以及该低硫化钛载体的低温合成方法。 更具体地说，本发明涉及可用作燃料电池用催化剂电极的载体的低氧化钛（Ti_xO_2x-1）纳米粒子， 以及通过使用TiO 2，Co催化剂和氢气，在600-900℃的低温下合成低氧化钛（Ti_xO_2x-1）纳米颗粒的方法。 低氧化钛纳米颗粒具有优异的耐酸腐蚀性，高导热性和导电性，以及优异的耐久性。 因此，通过使用低氧化钛纳米颗粒作为载体制造的催化剂电极通过燃料电池试验显示出高的催化活性和增强的氧化还原性能。
-
公开(公告)号：KR1020130075085A
公开(公告)日：2013-07-05
申请号：KR1020110143287
申请日：2011-12-27
Applicant: 숭실대학교산학협력단
IPC: H01M4/90 , B01J23/42 , B01J23/755 , B82B3/00
Abstract: PURPOSE: A platinum-nickel alloy nanodendrite is provided to increase the specific surface area compare to a spherical nanoparticle with the same size, and to have the most similar structure with the lattice distance of the most active Pd. CONSTITUTION: A platinum-nickel alloy nanodendrite for a fuel cell catalyst is a nanoparticle containing platinum and nickel, and the nanoparticle is controlled into a dendritic form. The end of the nanodendrite is a high-index surface. A producing method of a platinum-nickel alloy nanodendritic catalyst for a fuel cell comprises the following steps: producing the platinum-nickel alloy nanodendrite with a shape controlled into a dendritic form; and dispersing the nanodendrite on the surface of a carbon based carrier.
Abstract translation: 目的：提供铂镍合金纳米复合材料，以增加与具有相同尺寸的球形纳米颗粒相比的比表面积，并且具有与最活性Pd的晶格距离最相似的结构。 构成：用于燃料电池催化剂的铂镍合金纳米颗粒是含有铂和镍的纳米颗粒，纳米颗粒被控制成树枝状。 纳端植物的末端是高折射率表面。 用于燃料电池的铂镍合金纳米树枝状催化剂的制造方法包括以下步骤：制备具有被控制成树枝状形状的铂 - 镍合金纳米复合材料; 并将纳摩尔分散在碳载体的表面上。
-
公开(公告)号：KR101253812B1
公开(公告)日：2013-04-12
申请号：KR1020090084391
申请日：2009-09-08
Applicant: 숭실대학교산학협력단
Abstract: 본 발명은 연료전지 촉매 전극에 나노 구조 조절을 통한 Pt-Pd alloy/C 촉매 구조의 제조방법에 관한 것이다. 더욱 상세하게는 글리세롤을 이용한 나노 구조 조절된 Pt-Pd alloy을 합성하여, 이를 탄소위에 담지시키므로써 연료전지 촉매 전극을 제조하였다. 또한, 나노 구조 조절된 Pt-Pd alloy 전극구조를 개발함을 통해 메탄올 산화반응에 활성을 높이고, CO에 대한 내구성을 향상, 나노 구조와 촉매에 대한 안정성을 향상시키는 전극구조를 개발할 수 있도록 한 연료전지 촉매 전극 및 제조 방법에 관한 것이다.
이를 위해, 본 발명은 글리세롤 합성과정을 통해 나노 구조 조절된 Pt-Pd alloy/C 촉매를 통한 전기화학적 특성을 가지는 연료전지 촉매 전극을 제공한다.
나노구조조절, 연료전지, 글리세롤, alloy, 전기화학 특성-
Patent Agency Ranking
公开(公告)号：KR1020120021715A
公开(公告)日：2012-03-09
申请号：KR1020100078403
申请日：2010-08-13
Applicant: 숭실대학교산학협력단
CPC classification number: C01B32/949 , C01P2006/12 , C01P2006/16
Abstract: PURPOSE: A method for manufacturing mesoporous transition metal carbide is provided to adjust the crystalline phases and the pore sizes of the mesoporous transition metal carbide according to reacting temperatures and times. CONSTITUTION: A method for manufacturing mesoporous transition metal carbide includes the following: a transition metal is nitrified; and the transition metal nitride undergoes a carbonization thermal process. The transition metal is selected from Mo, Cr, Ta, Zr, V, Ti, Hf, Nb, W, the oxide of the same, and the hydrate of the same. When the transition metal is nitride, the transition metal is reacted with one or the mixture of ammonia, cyanide, or nitrogen based on reacting gas. The nitrification is implemented at a temperature between 400 and 800 degrees Celsius. The reacting gas is one or the mixture of methane, butane, and propane.
Abstract translation: 目的：提供一种制备介孔过渡金属碳化物的方法，以根据反应温度和时间调节介孔过渡金属碳化物的结晶相和孔径。 构成：中孔过渡金属碳化物的制造方法包括：过渡金属被硝化; 过渡金属氮化物进行碳化热处理。 过渡金属选自Mo，Cr，Ta，Zr，V，Ti，Hf，Nb，W，其氧化物及其水合物。 当过渡金属为氮化物时，基于反应气体，过渡金属与氨，氰化物或氮气的混合物反应。 硝化在400至800摄氏度之间的温度下进行。 反应气体是甲烷，丁烷和丙烷之一或混合物。
-
公开(公告)号：KR101088978B1
公开(公告)日：2011-12-01
申请号：KR1020090038775
申请日：2009-05-02
Applicant: 숭실대학교산학협력단
Abstract: 본 발명은 연료전지용 촉매전극을 위한 코어/쉘(core/shell)구조의 나노 지지체 및 그 제조방법에 관한 것으로서, 더욱 상세하게는 티타늄 질화물(TiN)을 탄화분위기에서 열처리함으로써, 기존 TiN에서 외부 껍질에 탄소를 입히는 코어/쉘 나노구조로 전기전도도와 나노구조를 조절하여 새로운 지지체인 TiN@C와 촉매 전극구조를 개발할 수 있도록 한 연료전지용 촉매전극 및 그 제조방법에 관한 것이다.
이를 위해, 본 발명은 열처리를 통해 티타늄 질화물에 탄소를 껍질과 같이 입힌 코어/쉘이 나노물질을 촉매의 지지체로 사용되는 것을 특징으로 하는 연료전지용 촉매전극을 제공한다.
고분자 전해질 연료전지, 비탄소계 지지체, TiN, TiN@C, core/shell-
公开(公告)号：KR1020110036382A
公开(公告)日：2011-04-07
申请号：KR1020090094013
申请日：2009-10-01
Applicant: 숭실대학교산학협력단
Abstract: PURPOSE: A fuel cell is provided to obtain high energy conversion efficiency regardless of the existence of a platinum catalyst used in a cathode and to replace the platinum catalyst for inexpensive other catalysts. CONSTITUTION: A fuel cell comprises an anode(10) using oxidation reaction of fuel, a cathode(20) using reduction reaction of oxidizing agent, and an electrolyte or ion exchange membrane(30) located between the anode and cathode. The cathode comprises non-metal pure materials selected from the group consisting of N, F, I, S, Cl and Br, a compound, and at least one selected from ions of the pure materials or the compound, wherein the compound is at least one selected from hydrides, oxides or hydroxides.
Abstract translation: 目的：提供一种燃料电池，以获得高能量转换效率，而不管阴极中使用的铂催化剂是否存在，并替代廉价的其他催化剂的铂催化剂。 构成：燃料电池包括使用燃料的氧化反应的阳极（10），使用氧化剂的还原反应的阴极（20）和位于阳极和阴极之间的电解质或离子交换膜（30）。 阴极包括选自N，F，I，S，Cl和Br的非金属纯物质，化合物和选自纯物质或化合物的离子中的至少一种，其中该化合物至少为 一种选自氢化物，氧化物或氢氧化物。
-
公开(公告)号：KR1020110026638A
公开(公告)日：2011-03-16
申请号：KR1020090084376
申请日：2009-09-08
Applicant: 숭실대학교산학협력단
IPC: B82B3/00
CPC classification number: B82B3/0061 , B01J35/023 , B22F1/0044 , B82Y30/00 , B82Y40/00
Abstract: PURPOSE: A method for controlling and forming metal-based nano structure is provided to control a nano-surface and nano-structure by synthesizing glycerol according to the synthesizing process of polyol. CONSTITUTION: A nano-structure controlled metal-based particle is obtained from metal-based salt using glycerol as a reducing agent. The metal-based particle is a precursor including Pt, Pd, Co, Ni, Ru, Cu, Au, Ag, Rh, Bi, Fe, In, Sn, and Sb. A method for forming the nano-structure controlled metal-based particle includes the following: Nano-structure controlled metal particles are synthesized using glycerol in an aqueous solution as a reducing agent. The synthesized nano-structure controlled metal-based particles are heated and cooled.
Abstract translation: 目的：提供一种控制和形成金属基纳米结构的方法，通过根据多元醇的合成方法合成甘油来控制纳米表面和纳米结构。 构成：使用甘油作为还原剂从金属盐获得纳米结构受控的金属基颗粒。 金属基粒子是包括Pt，Pd，Co，Ni，Ru，Cu，Au，Ag，Rh，Bi，Fe，In，Sn和Sb的前体。 形成纳米结构受控金属基颗粒的方法包括：使用甘油在水溶液中作为还原剂合成纳米结构受控金属颗粒。 合成的纳米结构受控金属基颗粒被加热和冷却。
-
公开(公告)号：KR1020100119833A
公开(公告)日：2010-11-11
申请号：KR1020090038775
申请日：2009-05-02
Applicant: 숭실대학교산학협력단
CPC classification number: H01M4/8657 , B01J32/00 , C23C16/32 , H01M4/88 , H01M4/9075 , H01M4/925 , Y02E60/50
Abstract: PURPOSE: A core/shell nanostructure support for a catalyst electrode of a fuel cell, and a manufacturing method thereof are provided to improve the oxidation-reduction property and the catalyst activity of the fuel cell, by a fuel battery test at positive and negative electrodes. CONSTITUTION: A manufacturing method of a core/shell nanostructure support for a catalyst electrode of a fuel cell comprises the following steps: inserting titanium nitride inside an electric furnace after spreading on a boat, and flowing carbon gas; increasing the temperature at the carbonization condition, and flowing methane gas; and maintaining the temperature for carbonizing a titanium nitride core/carbon shell.
Abstract translation: 目的：提供一种用于燃料电池的催化剂电极的核/壳纳米结构载体及其制造方法，通过在正极和负极的燃料电池试验来提高燃料电池的氧化还原性能和催化剂活性 。 构成：用于燃料电池的催化剂电极的核/壳纳米结构载体的制造方法包括以下步骤：将钛氮化物在散布在船上之后插入电炉内并流动碳气; 增加碳化条件下的温度，并使甲烷气体流动; 并保持氮化钛芯/碳壳碳化的温度。
-
-
-
-
-
-
-
-
-
Search Results
35
records
(took 0.027 seconds)
