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公开(公告)号：KR101077217B1
公开(公告)日：2011-10-27
申请号：KR1020080072104
申请日：2008-07-24
Applicant: (주)썬텔
Abstract: 본발명은연료전지의고내산화성촉매담지체및 촉매에관한것으로서, 보다상세하게는고결절성탄소나노섬유를사용하여강한산화환경에서도매우우수한내산화성을가지는연료전지의고내산화성촉매담지체및 촉매그리고이를사용하는전극, 막전극접합체, 연료전지에관한것으로서, 본발명에따른연료전지용고 내산화성탄소담지체는, 고결정성탄소나노섬유로이루어진다.
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公开(公告)号：KR101040928B1
公开(公告)日：2011-06-16
申请号：KR1020080092106
申请日：2008-09-19
Applicant: (주)썬텔
Abstract: 본 발명은 소섬경 플레이트리트 탄소나노섬유 및 그 제조방법에 관한 것으로서, 보다 상세하게는 평균 섬유경이 50 ~ 100nm 이어서 유효비표면적이 매우 넓고 별도의 담지체 제거 공정을 거치지 않고서도 연료전지 촉매로 사용할 수 있는 소섬경 플레이트리트 탄소나노섬유 및 그 제조방법에 관한 것으로서, 본 발명에 따른 플레이트리트 구조 탄소나노섬유 제조방법은, (a) 질산철 촉매를 제조하는 단계; (b) 상기 질산철 촉매를 반응로에 장착하고, 탄소원을 도입하여 열분해 반응에 의한 플레이트리트 구조 탄소 나노 섬유를 합성하는 단계;를 포함하여 구성된다.
탄소 나노 섬유, 섬유경, 플레이트리트, 촉매-
公开(公告)号：KR1020100033110A
公开(公告)日：2010-03-29
申请号：KR1020080092106
申请日：2008-09-19
Applicant: (주)썬텔
CPC classification number: C01B32/382 , B82B1/008 , B82B3/0038 , B82Y30/00 , B82Y40/00 , C01B32/15 , D01F9/12
Abstract: PURPOSE: A platelet carbon nanofiber and a fabricating method thereof are provided to reduce the usage amount of platinum by improving catalyst activation, and to reduce catalyst manufacturing unit cost. CONSTITUTION: A fabricating method of a platelet carbon nanofiber comprises the following steps: producing ferric nitrate catalyst; and mounting the ferric nitrate catalyst on a reactor and inserting a carbon source to synthesize the platelet carbon nanofiber using pyrolysis reaction. The step fo producing ferric nitrate catalyst includes: a step of producing a ferric nitrate solution by dissolving ferric nitrate in a solvent; a step of mixing the ferric nitrate solution with carbon black; and forming the ferric nitrate catalyst by drying the mixed slurry including the ferric nitrate solution and the carbon black.
Abstract translation: 目的：提供一种血小板碳纳米纤维及其制造方法，以通过改善催化剂活化来降低铂的使用量，并降低催化剂制造单位成本。 构成：制备片状碳纳米纤维的方法包括以下步骤：制备硝酸铁催化剂; 并将硝酸铁催化剂安装在反应器上并插入碳源以使用热解反应合成血小板碳纳米纤维。 制备硝酸铁催化剂的步骤包括：通过将硝酸铁溶解在溶剂中制备硝酸铁溶液的步骤; 将硝酸铁溶液与炭黑混合的步骤; 并通过干燥包括硝酸铁溶液和炭黑的混合浆料形成硝酸铁催化剂。
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公开(公告)号：KR1020100011056A
公开(公告)日：2010-02-03
申请号：KR1020080072104
申请日：2008-07-24
Applicant: (주)썬텔
CPC classification number: H01M4/9083 , H01M8/1004 , H01M8/1011 , H01M2008/1095 , Y02E60/521 , Y02E60/522
Abstract: PURPOSE: An oxidation-resistant catalyst supporter is provided to ensure safe and wide effective surface area in a strong oxidation environment, high activity using a small amount of platinum, safety of a catalyst for a fuel cell. CONSTITUTION: An oxidation-resistant catalyst supporter comprises highly crystalline carbon nano fiber. The carbon nano fiber has 70~130 nm average island diameter. A method for preparing the catalyst supporter comprises the steps of: reducing a transition metal nitride aqueous solution to prepare carbonate transition metal microparticles, and then drying and oxidizing the microparticles to a carbon nano fiber synthetic catalyst; and mounting a carbon nano fiber synthetic catalyst on a reaction furnace, and inducing a carbon source to synthesize the carbon nano fiber through pyrolytic reaction.
Abstract translation: 目的：提供抗氧化催化剂载体，以确保在强氧化环境中安全且广泛的有效表面积，使用少量铂的高活性，燃料电池催化剂的安全性。 构成：抗氧化催化剂载体包含高度结晶的碳纳米纤维。 碳纳米纤维的平均岛直径为70〜130nm。 制备催化剂载体的方法包括以下步骤：还原过渡金属氮化物水溶液以制备碳酸盐过渡金属微粒，然后将微粒干燥和氧化成碳纳米纤维合成催化剂; 并在反应炉上安装碳纳米纤维合成催化剂，并通过热解反应诱导碳源合成碳纳米纤维。
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Patent Agency Ranking5.发明公开섬유상 나노탄소를 담체로 이용한 저온연료전지용 촉매,상기 촉매를 이용한 저온연료전지용 전극, 및 상기 촉매를이용한 저온연료전지 有权使用碳纳米纤维作为支撑的低温燃料电池，使用催化剂的低温燃料电池和使用催化剂的低温燃料电池的催化剂
公开(公告)号：KR1020090033288A
公开(公告)日：2009-04-02
申请号：KR1020070098491
申请日：2007-09-29
Applicant: (주)썬텔
CPC classification number: Y02P70/56 , H01M4/921 , H01M4/8647 , H01M4/926 , H01M8/1011 , H01M2008/1095 , Y02E60/521 , Y02E60/522
Abstract: A catalyst for a low temperature fuel cell is provided to maximize the efficiency while increasing the surface area of the dipped platinum catalyst, and to reduce noble metals. A catalyst for a low temperature fuel cell comprises a support and a catalyst. The support is fiber-like nano carbon of highly effective surface area, having the specific surface area measured with a nitrogen BET method of 100 m^2/g or more. The fiber-like nano carbon of highly effective surface area comprises the steps of: (i) manufacturing a transition metal alloy catalyst containing (a) iron single catalyst through oxidation reaction and reduction reaction and (b) at least one metal elected from the group consisting of nickel, cobalt, copper, and molybdenum; (ii) adding hydrogen gas to the catalyst, and performing reduction reaction to produce minute metals on the surface of the catalyst; and (iii) adding C1-4 saturated and unsaturated gas or the mixed gas consisting of carbon monoxide and hydrogen gas and heat-treating them.
Abstract translation: 提供了用于低温燃料电池的催化剂，以在提高浸渍的铂催化剂的表面积的同时使效率最大化并且还原贵金属。 用于低温燃料电池的催化剂包括载体和催化剂。 载体是具有高效表面积的纤维状纳米碳，其比表面积用氮BET法测定为100m 2 / g以上。 具有高效表面积的纤维状纳米碳包括以下步骤：（i）通过氧化反应和还原反应制备含有（a）铁单催化剂的过渡金属合金催化剂和（b）至少一种选自该组的金属 由镍，钴，铜和钼组成; （ii）向催化剂中加入氢气，进行还原反应，在催化剂表面产生微量金属; 和（iii）加入C1-4饱和和不饱和气体或由一氧化碳和氢气组成的混合气体并进行热处理。
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公开(公告)号：KR101315486B1
公开(公告)日：2013-10-07
申请号：KR1020120034186
申请日：2012-04-03
Applicant: (주)썬텔
CPC classification number: D01F9/12 , C01B32/15 , C01B32/162 , C01B32/18 , C01B2202/22
Abstract: PURPOSE: A high electrical conductive carbon nanofiber and a manufacturing method thereof are provided to increase an electrical conductivity and a contact area with an activated charcoal, and thus an electrode internal resistance and an electrical conductivity increase as well as a capacity increases. CONSTITUTION: A manufacturing method of high electrical conductive carbon nanofiber comprises following steps. A Cu/Ni catalyst is manufactured (S100). Carbon nanofiber is manufactured by using the Cu/Ni catalyst (S200). The carbon nanofiber is acid-processed (S300). The acid-processed carbon nanofiber is thermally decomposed and carbon coated (S400). The carbon coated carbon nanofiber is graphitize-processed (S500). [Reference numerals] (S100) Manufacture Cu/Ni catalyst; (S200) Manufacture carbon nanofiber; (S300) Acid-process carbon nanofiber; (S400) Thermally decompose and coat carbon; (S500) Graphitize-process
Abstract translation: 目的：提供高导电性碳纳米纤维及其制造方法，以增加导电性和与活性炭的接触面积，因此电极内阻和电导率增加以及容量增加。 构成：高导电性碳纳米纤维的制造方法包括以下步骤。 制造Cu / Ni催化剂（S100）。 使用Cu / Ni催化剂（S200）制造碳纳米纤维。 碳纳米纤维经酸处理（S300）。 将酸加工的碳纳米纤维热分解并进行碳涂布（S400）。 碳涂覆的碳纳米纤维经石墨化处理（S500）。 （附图标记）（S100）制造Cu / Ni催化剂; （S200）生产碳纳米纤维; （S300）酸工艺碳纳米纤维; （S400）热分解涂层碳; （S500）石墨化工艺
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公开(公告)号：KR101077218B1
公开(公告)日：2011-10-27
申请号：KR1020090018343
申请日：2009-03-04
Applicant: (주)썬텔
Abstract: 본발명은에스펙트비가 30 이상이어서유효비표면적이매우넓고전극제조시전기전도도가높고연료및 공기확산그리고공기극에서발생하는물의배출이용이한플레이트리트탄소나노섬유및 그제조방법에관한것으로서, 본발명에따른플레이트리트구조탄소나노섬유제조방법은, a) 전이금속질화물수용액을환원하여아탄산전이금속미립자를제조하고, 이를건조및 산화처리하여탄소나노섬유합성촉매를제조하는단계; b) 상기탄소나노섬유합성촉매를회전식반응로에장착하고, 상기회전식반응로를회전시키면서탄소원을도입하여열분해반응에의한탄소나노섬유를합성하는단계;를포함하는것을특징으로한다.
Abstract translation: 本发明具有高的纵横比为30以上，然后在燃料和空气扩散的制造非常大的有效的电极表面积时的导电性和播放从空气电极处理碳纳米纤维利用水的排放和用于制造本方法 根据本发明的碳纳米纤维的制造方法的处理游戏结构，一）通过减少过渡金属氮化物，包含：水性溶液哦产酸的过渡金属和细小颗粒，将其干燥，并进行氧化处理用于制造碳纳米纤维合成催化剂; 其特征在于它包括一个; b）还包括：安装在旋转反应的碳纳米纤维合成催化剂，同时旋转旋转到反应合成通过引入碳源通过热分解反应所得到的碳纳米纤维。
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公开(公告)号：KR1020100099819A
公开(公告)日：2010-09-15
申请号：KR1020090018343
申请日：2009-03-04
Applicant: (주)썬텔
CPC classification number: C01B32/382 , B82B1/008 , B82B3/0038 , B82Y30/00 , B82Y40/00 , C01B32/15 , D01F9/12
Abstract: PURPOSE: A platelet carbon nanofiber and a manufacturing method thereof are provided to secure the high conductivity when manufacturing an electrode, and to easily disperse fuel and air. CONSTITUTION: A platelet carbon nanofiber has the expect rate(fiber length/fiber diameter rate) of 30~50, and the interplanar distance of a carbon basal plane less than 0.34 nanometers. A manufacturing method of the platelet carbon nanofiber comprises the following steps: reducing a transition metal nitride aqueous solution to form a carbon transition metal corpuscle; drying and oxidizing the outcome to form a carbon nano fiber synthetic catalyst; settling the catalyst to a rotational reactor, and rotating the reactor while applying a carbon source to synthesize the carbon nanofiber.
Abstract translation: 目的：提供一种血小板碳纳米纤维及其制造方法，以在制造电极时确保高导电性，并且容易地分散燃料和空气。 构成：片状碳纳米纤维的预期速率（纤维长度/纤维直径率）为30〜50，碳基平面的面间距离小于0.34纳米。 所述血小板碳纳米纤维的制造方法包括以下步骤：还原过渡金属氮化物水溶液以形成碳过渡金属微粒; 干燥和氧化结果形成碳纳米纤维合成催化剂; 将催化剂沉降到旋转反应器，并在施加碳源以合成碳纳米纤维的同时旋转反应器。
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9.发明授权섬유상 나노탄소를 담체로 이용한 저온연료전지용 촉매,상기 촉매를 이용한 저온연료전지용 전극, 및 상기 촉매를이용한 저온연료전지 有权使用碳纳米纤维作为载体的低温燃料电池催化剂，使用该催化剂的低温燃料电池用电极和使用该催化剂的低温燃料电池
公开(公告)号：KR100921889B1
公开(公告)日：2009-10-13
申请号：KR1020070098491
申请日：2007-09-29
Applicant: (주)썬텔
CPC classification number: Y02P70/56
Abstract: 본 발명은 나노 로드를 기본 단위구조로 가지는 질소 BET법으로 측정한 비표면적이 100m
2 /g 이상인 고유효 표면적의 섬유상 나노탄소의 담체; 및 촉매로 이루어진 저온연료전지용 촉매, 상기 촉매를 포함하는 저온연료전지용 전극, 및 상기 촉매를 포함하는 저온연료전지를 제공한다.
본 발명의 저온연료전지는 나노 로드를 단위 구조로 가지는 섬유상 나노탄소를 담체로 사용함으로써, 백금 촉매를 담지시킬 수 있는 유효표면적을 증대시켜 담지된 백금촉매의 이용률이 상승된다. 이와 같이 제조된 촉매를 저온연료전지의 연료전지용 전극으로 사용함으로써 귀금속 백금 촉매의 사용량을 20% 이상 감소시켜도 상용촉매의 활성에 상당하거나 능가하는 높은 발전효율의 발현이 가능하므로, 촉매 제조 코스트 저하에 크게 기여할 수 있다.
나노로드, 섬유상 나노탄소, 연료전지, 백금촉매, 촉매담체
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