公开(公告)号：KR1020140123275A

公开(公告)日：2014-10-22

申请号：KR1020130040372

申请日：2013-04-12

Applicant: 한국에너지기술연구원

Inventor： 임성엽 ,  정두환 ,  김상경 ,  백동현 ,  이병록 ,  김애란

IPC: H01M4/86 ,  H01M4/92

CPC classification number: H01M4/926 ,  C01B32/05 ,  H01M4/366

Abstract: 본 발명은 탄소 소재 및 실란 고분자를 용매에 넣고 교반하여 탄소 소재의 표면에 실란 고분자를 코팅하는 단계; 상기 용매를 증발시키고 실란 고분자가 코팅된 탄소 복합체를 건조시키는 단계; 및 상기 실란 고분자가 코팅된 탄소 복합체를 열처리하는 단계를 포함하는 다층 실리콘화합물이 코팅된 탄소 복합체의 제조방법에 관한 것이다.

Abstract translation: 本发明涉及一种涂覆有多层硅化合物的碳复合材料的制造方法，包括以下步骤：通过将碳材料和硅烷聚合物搅拌在溶剂中，用硅烷聚合物涂覆碳材料; 蒸发溶剂并干燥涂覆有硅烷聚合物的碳复合材料; 并对涂覆有硅烷聚合物的碳复合物进行热处理。

公开(公告)号：KR101423754B1

公开(公告)日：2014-08-01

申请号：KR1020130078788

申请日：2013-07-05

Applicant: 한국에너지기술연구원

Inventor： 이봉도 ,  백동현 ,  정두환 ,  김상경 ,  임성엽 ,  이병록 ,  남기돈

IPC: B01J37/12 ,  B01J35/02 ,  B01J21/18

CPC classification number: B01J37/0027 ,  B01J21/18 ,  B01J37/08 ,  B82Y40/00 ,  H01M8/1011 ,  H01M8/1018

Abstract: The present invention relates to a porous carbon catalyst support for a fuel cell, and more specifically, to a method for preparing a nanoporous carbon catalyst support for a fuel cell, the method including: a first step of washing, with distilled water, and drying a rice plant or a soksaegwa plant; a second step of grinding the rice plant or the soksaegwa plant dried in the first step with a grinder; a third step of heat treating the rice plant or the soksaegwa plant ground in the second step; a fourth step of carbonizing the rice plant or the soksaegwa plant heat-treated in the third step to prepare a silica/carbon composite; a fifth step of primarily acid-treating the silica/carbon composite prepared in the fourth step; and sixth step of secondarily acid-treating the silica/carbon composite primarily acid-treated in the fifth step to prepare a carbon catalyst support from which silica is extracted. A nanoporous carbon catalyst support for a fuel cell, prepared as described above, has a structure in which meso-porous pore is formed to have a characteristic of an excellent catalyst support and to improve fuel oxidation and oxygen reduction performance. According to the present invention, a platinum/ruthenium catalyst or a platinum catalyst forms a dispersed nanopore to obtain excellent fuel cell performance and long-term durability, since a portion in which inorganic silica is dispersed in a nanostructure inside a plant cell of a rice hull is removed by an acid treatment. Further, since an agricultural by-product is used, mass production is facilitated through low costs.

Abstract translation: 本发明涉及一种用于燃料电池的多孔碳催化剂载体，更具体地涉及一种制备用于燃料电池的纳米多孔碳催化剂载体的方法，该方法包括：用蒸馏水洗涤和干燥第一步骤 水稻植物或soksaegwa植物; 第二步，用研磨机研磨在第一步骤中干燥的水稻植物或soksaegwa植物; 在第二步骤中热处理水稻植物或soksaegwa植物地面的第三步骤; 在第三步骤中热处理的水稻植物或soksaegwa植物碳酸化以制备二氧化硅/碳复合材料的第四步骤; 主要在第四步中制备的二氧化硅/碳复合物的酸处理的第五步骤; 以及在第五步骤中主要酸处理的二氧化硅/碳复合物二次酸处理以制备从其中提取二氧化硅的碳催化剂载体的第六步骤。 如上所述制备的用于燃料电池的纳米多孔碳催化剂载体具有其中形成中孔多孔的具有优异的催化剂载体的特征并提高燃料氧化和氧还原性能的结构。 根据本发明，铂/钌催化剂或铂催化剂形成分散的纳米孔，以获得优异的燃料电池性能和长期耐久性，因为无机二氧化硅分散在米的植物细胞内的纳米结构中的部分 通过酸处理除去船体。 此外，由于使用农副产品，因此通过低成本促进了批量生产。

公开(公告)号：KR1020140075250A

公开(公告)日：2014-06-19

申请号：KR1020120143433

申请日：2012-12-11

Applicant: 한국에너지기술연구원

Inventor： 이봉도 ,  백동현 ,  정두환 ,  김상경 ,  임성엽 ,  이병록

IPC: H01M8/04 ,  H01M8/10

CPC classification number: Y02E60/523

Abstract: The present invention relates to a fuel mixing tank for a direct methanol fuel cell system having a fuel flow preventing device installed thereon and a direct methanol fuel cell system including the same. The fuel mixing tank of the present invention receives raw liquid methanol fuel, cathode discharged material, and anode discharged material respectively from a fuel tank, a cathode, and an anode and provides the anode with mixed fuel that is made by mixing the same. The fuel mixing tank comprises a top chamber and a bottom chamber that are separated into a top and a bottom by means of a separation plate. The top chamber comprises: a cathode discharged material inlet through which the cathode discharged material is supplied; and a gas outlet through which gas is discharged to the outside. The bottom chamber comprises: an anode discharged material inlet through which the anode discharged material is supplied; a raw liquid methanol inlet through which the raw liquid methanol fuel is supplied from the fuel tank; and a fuel supply hole through which the mixed fuel is supplied to the anode. The separation plate comprises: a water supply channel that is installed as a pipe for penetrating the separation plate in order to have the top disposed in the top chamber and the bottom disposed in the bottom chamber; and a gas transferring unit for transferring the gas in the bottom chamber to the top chamber, wherein a porous flow preventing plate is installed inside the bottom chamber so that the mixed fuel can be moved up and down.

Abstract translation: 本发明涉及一种用于直接甲醇燃料电池系统的燃料混合罐，其具有安装在其上的燃料流量防止装置和包括该燃料电池系统的直接甲醇燃料电池系统。 本发明的燃料混合罐分别从燃料箱，阴极和阳极接收原料液体甲醇燃料，阴极排出材料和阳极排出材料，并为阳极提供通过混合制成的混合燃料。 燃料混合罐包括通过分离板分离成顶部和底部的顶部室和底部室。 顶部室包括：阴极排出材料入口，阴极排出材料通过该入口提供; 和气体排出到外部的气体出口。 底部室包括：阳极排出材料入口，通过该入口供给阳极排出材料; 原料液体甲醇入口，原料液态甲醇燃料从燃料箱供给; 以及燃料供给孔，混合燃料通过该供给孔供给到阳极。 分离板包括：供水通道，其被设置为用于穿透分离板的管，以使顶部设置在顶部室中，底部设置在底部室中; 以及气体传送单元，用于将底部室中的气体转移到顶部室，其中多孔防流板安装在底部室内，使得混合燃料可以上下移动。

公开(公告)号：KR101368387B1

公开(公告)日：2014-03-03

申请号：KR1020120031112

申请日：2012-03-27

Applicant: 한국에너지기술연구원

Inventor： 임성엽 ,  정두환 ,  김상경 ,  백동현 ,  이병록 ,  남기돈

IPC: H01M4/92 ,  B01J23/40 ,  B01J21/08 ,  B01J37/02

Abstract: 본 발명은 직접 메탄올 연료 전지의 메탄올 크로스오버 현상을 감소시키고 높은 메탄올 농도에서 작동하여도 높은 효율을 나타낼 수 있는 직접 메탄올 연료 전지의 애노드 전극용 촉매, 이를 이용한 직접 메탄올 연료 전지용 막전극 어셈블리 및 직접 메탄올 연료 전지 시스템에 관한 것이다.

公开(公告)号：KR1020130109405A

公开(公告)日：2013-10-08

申请号：KR1020120031112

申请日：2012-03-27

Applicant: 한국에너지기술연구원

Inventor： 임성엽 ,  정두환 ,  김상경 ,  백동현 ,  이병록 ,  남기돈

IPC: H01M4/92 ,  B01J23/40 ,  B01J21/08 ,  B01J37/02

CPC classification number: H01M4/92 ,  H01M4/925 ,  H01M8/1004 ,  H01M8/1011 ,  Y02E60/523

Abstract: PURPOSE: A catalyst for an anode electrode is provided to implement the excellent performance and long term durability in the high methanol concentration and relieve a crossover of the direct methanol fuel cell. CONSTITUTION: A catalyst for an anode electrode of a direct methanol fuel cell includes silica; and the catalytic substance which is dipped in the silica; the catalytic substance comprises one or two kinds which is selected from platinum, ruthenium, osmium, platinum-ruthenium alloy, platinum-osmium alloy, platinum-palladium alloy, platinum-M alloy; the M is a transition metal of more than one kind which is selected from Ga, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Sn, Mo, W, Rh, and Ru. The catalyst comprises 50-80 parts by weight of the catalytic substance base on 10-40 parts by weight of the silica.

Abstract translation: 目的：提供用于阳极电极的催化剂，以在高甲醇浓度下实现优异的性能和长期耐久性，并缓解了直接甲醇燃料电池的交叉。 构成：用于直接甲醇燃料电池的阳极电极的催化剂包括二氧化硅; 和浸入二氧化硅中的催化物质; 催化剂物质包括选自铂，钌，锇，铂 - 钌合金，铂 - 锇合金，铂 - 钯合金，铂-M合金中的一种或两种; M是选自Ga，Ti，V，Cr，Mn，Fe，Co，Ni，Cu，Zn，Sn，Mo，W，Rh和Ru中的一种以上的过渡金属。 该催化剂包含50-80重量份的催化物质基础，10-40重量份二氧化硅。

公开(公告)号：KR1020130019553A

公开(公告)日：2013-02-27

申请号：KR1020110081566

申请日：2011-08-17

Applicant: 한국에너지기술연구원

Inventor： 정두환 ,  백동현 ,  이병록 ,  김상경 ,  임성엽

IPC: H01M8/02 ,  H01M8/10

Abstract: PURPOSE: A separator for a fuel cell is provided to reduce the total components number of a fuel cell stack and to prevent the defects of a separator and a cover. CONSTITUTION: A separator(200) for a fuel cell comprises: a plate body(10) in which a flow channel(11) is formed for fluid flowing is formed at least one side thereof; manifolds(61-64) supplying fluid to the flow channel and discharging the fluid from the same; and at least one connection path(71-74) which is connected to the flow channel and is formed on the inner circumference of the manifolds for feeding the fluid through a flow channel and discharging the fluid to another manifold.

Abstract translation: 目的：提供一种用于燃料电池的隔板，以减少燃料电池堆的总成分数量，并防止隔板和盖板的缺陷。 一种用于燃料电池的分离器（200），包括：其主体（10）的至少一侧形成有用于流体流动形成有流动通道（11）的板体（10） 歧管（61-64）将流体供应到流动通道并从其中排出流体; 以及连接到流动通道并形成在歧管的内周上的至少一个连接路径（71-74），用于通过流动通道输送流体并将流体排放到另一歧管。

公开(公告)号：KR1020120052483A

公开(公告)日：2012-05-24

申请号：KR1020100113661

申请日：2010-11-16

Applicant: 한국에너지기술연구원

Inventor： 정두환 ,  김상경 ,  임성엽 ,  백동현 ,  이병록 ,  남기돈

IPC: C01B31/02 ,  B82B3/00 ,  B01J21/18 ,  H01M4/96

CPC classification number: H01M4/8663 ,  C01B32/05 ,  H01M4/96 ,  H01M2008/1095 ,  B01J21/18 ,  Y02E60/50

Abstract: PURPOSE: A method for manufacturing porous carbon materials with mesopores and a carrier for fuel battery catalyst manufactured by the same are provided to cost effectively mass-produce the carbon materials with uniformly distributed mesopores by using ceramic nanoparticles of adequate diameters as templates. CONSTITUTION: A carbon film is formed on the surfaces of ceramic nanoparticles. The ceramic nanoparticles are mixed with carbon precursors. The mixture of the ceramic nanoparticles and the carbon precursors are thermally treated and carbonized to obtain a resultant product. The ceramic nanoparticles are eliminated from the resultant product. The ceramic nanoparticles are selected from a group including SiO2, Al_2O_3, MgO, CaCO_3, zeolite, alumino silicate, and the mixture of the same. The diameters of the ceramic nanoparticles are in a range between 2 and 100nm.

Abstract translation: 目的：通过使用具有足够直径的陶瓷纳米颗粒作为模板，通过使用其制造的具有介孔的多孔碳材料和由其制造的燃料电池催化剂的载体的方法被提供以成本有效地大量生产具有均匀分布的中孔的碳材料。 构成：在陶瓷纳米颗粒的表面上形成碳膜。 陶瓷纳米颗粒与碳前体混合。 将陶瓷纳米颗粒和碳前体的混合物热处理并碳化，得到所得产物。 从所得产物中除去陶瓷纳米颗粒。 陶瓷纳米颗粒选自包括SiO 2，Al 2 O 3，MgO，CaCO 3，沸石，铝硅酸盐及其混合物的组。 陶瓷纳米颗粒的直径在2和100nm之间。

公开(公告)号：KR1020120020499A

公开(公告)日：2012-03-08

申请号：KR1020100084135

申请日：2010-08-30

Applicant: 한국에너지기술연구원

Inventor： 정두환 ,  김상경 ,  임성엽 ,  백동현 ,  이병록 ,  박영철

IPC: H01M8/04 ,  H01M8/10 ,  B01J38/00 ,  H01M4/86

CPC classification number: Y02E60/523

Abstract: PURPOSE: A driving method of direct methanol type fuel cell system is provided to recover the performance of the catalyst contaminated by by-product like carbon monoxide through simple method, thereby maintaining the output electricity stably. CONSTITUTION: A driving method of direct methanol type fuel cell system comprises a step of operating a fuel cell system in the state the connection of load and the supply of air and fuel are discontinued for specific time. The direct methanol fuel cell system comprises a stack(100), a mixing tank(110) collecting and storing unreacted fuel and air, a fuel tank(120) supplying fuel to the mixing tank, and a fuel pump(121) supplying mixed fuel to the stack, and a control part(130) operating the system for specific time, and operating the system in the state the connection of load and the supply of air and fuel are discontinued for specific time.

Abstract translation: 目的：提供直接甲醇型燃料电池系统的驱动方法，通过简单的方法回收被副产物如一氧化碳污染的催化剂的性能，从而保持输出电力的稳定。 构成：直接甲醇型燃料电池系统的驱动方法包括在负载连接和空气和燃料供应停止特定时间的状态下操作燃料电池系统的步骤。 直接甲醇燃料电池系统包括堆叠（100），收集和存储未反应的燃料和空气的混合罐（110），向混合罐供应燃料的燃料箱（120）和供应混合燃料的燃料泵 以及在特定时间操作系统的控制部件（130），并且在负载连接和空气和燃料供应的状态下操作系统停止特定时间。

公开(公告)号：KR1020120020498A

公开(公告)日：2012-03-08

申请号：KR1020100084134

申请日：2010-08-30

Applicant: 한국에너지기술연구원

Inventor： 정두환 ,  김상경 ,  임성엽 ,  백동현 ,  이병록 ,  박영철

IPC: H01M8/04 ,  H01M8/10 ,  H01M4/92 ,  B01J23/40

Abstract: PURPOSE: A driving method of a direct oxidation type fuel cell system at low temperature is provided to activate a fuel cell system without external heating device, thereby improving the energy efficiency of the fuel cell system. CONSTITUTION: A driving method of a direct oxidation type fuel cell system(1) comprises: a step of driving a stack(15) with constant voltage condition, until the temperature is increased to 25-50 °C; and a step of driving the stack in which temperature is increased by previous step, with constant current condition. In the first step, hydrocarbon fuel and oxidizer, of which freezing point are lower than the external temperature are supplied to the stack, and in the second step, hydrocarbon fuel and oxidizer with 1-2 M concentration are supplied to the stack.

Abstract translation: 目的：提供低温直接氧化型燃料电池系统的驱动方法，以便在没有外部加热装置的情况下启动燃料电池系统，从而提高燃料电池系统的能源效率。 构成：直接氧化型燃料电池系统（1）的驱动方法包括：以恒定电压条件驱动电池堆（15）的步骤，直到温度升至25-50℃; 以及在恒定电流条件下驱动上一步骤中温度升高的叠层的步骤。 在第一步骤中，将碳氢化合物燃料和凝结点低于外部温度的氧化剂供给到堆垛中，在第二步中，将浓缩1-2M的碳氢化合物燃料和氧化剂供给到堆垛。

公开(公告)号：KR1020100010971A

公开(公告)日：2010-02-03

申请号：KR1020080071985

申请日：2008-07-24

Applicant: 한국에너지기술연구원

Inventor： 정두환 ,  김상경 ,  임성엽 ,  백동현 ,  이병록 ,  남기돈

IPC: D01F9/127 ,  D01F9/145 ,  D01D5/08 ,  D01D10/06 ,  D01D1/02 ,  D01D10/02 ,  D06M11/00 ,  B01J23/42 ,  B01J23/46 ,  H01M4/86

CPC classification number: D01F9/127 ,  B01J23/42 ,  B01J23/462 ,  D01D1/02 ,  D01D5/08 ,  D01D10/02 ,  D01D10/06 ,  D01F9/145 ,  D06M11/00 ,  H01M4/8663

Abstract: PURPOSE: Porous carbon fiber using MgO and a fuel cell catalyst support using the same are provided to reduce manufacturing costs for the porous carbon fiber, and to simplify a drawing process of the fiber. CONSTITUTION: A manufacturing method of porous carbon fiber having uniform mesopores includes the following steps: dissolving spinning pitch in THF liquid by dispersing MgO powder; sealing, agitating and drying the MgO powder; spinning a mixture with a spinning nozzle; stabilizing the spun fiber in the air; carbonizing the fiber while maintaining the temperature; and drying the carbon fiber in which impurities are removed.

Abstract translation: 目的：提供使用MgO的多孔碳纤维和使用其的燃料电池催化剂载体以降低多孔碳纤维的制造成本，并简化纤维的拉伸过程。 构成：具有均匀介孔的多孔碳纤维的制造方法包括以下步骤：通过分散MgO粉末将纺丝沥青溶解在THF液体中; 密封，搅拌和干燥MgO粉末; 用纺丝喷嘴纺出混合物; 稳定空气中的纺丝纤维; 在保持温度的同时对纤维进行碳化; 并干燥除去杂质的碳纤维。