公开(公告)号：KR1020090126945A

公开(公告)日：2009-12-09

申请号：KR1020080053326

申请日：2008-06-05

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  홍재민

IPC: H01M4/02 ,  H01M4/04 ,  H01M4/48

CPC classification number: H01M4/131 ,  D01D5/0007 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/364 ,  H01M4/48 ,  H01M4/661 ,  H01M4/664 ,  H01M4/667 ,  H01M2004/021

Abstract: PURPOSE: A negative electrode for a secondary battery is provided to minimize the volume change of metal oxide during charge/discharge and to increase long-term lifetime stability by uniformly applying carbon on the surface of a metal oxide nano-fiber web. CONSTITUTION: A method for manufacturing a negative electrode for a secondary battery comprises the steps of: forming a super fine fiber web where a metal salt precursor and a carbonizable polymer are mixed by applying a mixed solution of the precursor and the polymer on a negative electrode collector; performing thermal compression or thermal pressurization of the fiber web; and carbonizing the polymer configuring the fiber web by heat-treating the thermally compressed or pressurized fiber web.

Abstract translation: 目的：提供用于二次电池的负极以使充电/放电期间金属氧化物的体积变化最小化，并且通过在金属氧化物纳米纤维网的表面上均匀施加碳来增加长期寿命稳定性。 构成：二次电池用负极的制造方法包括以下步骤：通过将前体和聚合物的混合溶液涂布在负极上形成金属盐前体和可碳化聚合物混合的超细纤维网 集电极; 进行纤维网的热压或热加压; 以及通过热处理热压缩或加压纤维网来碳化构成纤维网的聚合物。

公开(公告)号：KR1020090116587A

公开(公告)日：2009-11-11

申请号：KR1020080064112

申请日：2008-07-02

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  김호기 ,  조남규

IPC: H01L21/31 ,  H01L21/336 ,  H01L27/108 ,  B82Y40/00

CPC classification number: H01L29/7869 ,  H01L21/02194 ,  H01L21/02266 ,  H01L28/40 ,  H01L29/4908

Abstract: PURPOSE: A composite dielectric thin film, a capacitor and a field effect transistor using the same, and each fabrication method thereof are provided to manufacture a complex dielectrics thin film under a room temperature by distributing a crystalline filter or amorphous filler uniformly. CONSTITUTION: In a composite dielectric thin film, a capacitor and a field effect transistor using the same, and each fabrication method thereof, a amorphous dielectric matrix(10) is deposited under a room temperature less than 200 °C. The amorphous dielectric matrix includes amorphous material and a nano-crystalline material partly. The crystalline or the amorphous filler are distributed within the amorphous dielectric matrix. The filler is at least one selected from groups compose of MgO, Al2O3, SiO2, and LaAlO3. The complex dielectrics thin film is deposited under the room temperature, and a dielectric target and a filler target are sputtered in the same chamber under the room temperature less than 200 °C.

Abstract translation: 目的：提供一种复合电介质薄膜，电容器和使用其的场效应晶体管及其制造方法，以均匀地分布结晶滤波器或无定形填料，在室温下制造复合电介质薄膜。 构成：在复合电介质薄膜中，使用其的电容器和场效应晶体管及其各自的制造方法，在低于200℃的室温下沉积非晶介质基体（10）。 非晶介质矩阵部分包括无定形材料和纳米晶体材料。 晶体或无定形填料分布在非晶介质基质内。 填料是选自MgO，Al2O3，SiO2和LaAlO3组成的组中的至少一种。 在室温下沉积复合电介质薄膜，并在室温小于200℃的同一室内溅射介电靶和填料靶。

公开(公告)号：KR1020090100678A

公开(公告)日：2009-09-24

申请号：KR1020080025996

申请日：2008-03-20

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  홍재민 ,  조성무 ,  김동영

IPC: H01G11/46

CPC classification number: H01G11/28 ,  H01G11/46 ,  Y02E60/13 ,  Y10T29/417 ,  Y10T428/25

Abstract: PURPOSE: A conductive electrode using a conductive metal oxide layer with a network structure of a nano grain/nano particle, a manufacturing method thereof, and a super capacitor using the same are provided to improve adhesive property between a collector and a conductive metal oxide layer through thermal compression or thermal press process. CONSTITUTION: A porous conductive metal oxide electrode includes a coating layer of conductive metal oxide layer, a conductive metal oxide layer, and a collector. The conductive metal oxide layer is formed in at least one side of the collector. The conductive metal oxide layer has nano-fiber with a network structure. The nano fiber is made of a nano-grain or nano-particle.

Abstract translation: 目的：提供使用具有纳米颗粒/纳米颗粒的网状结构的导电金属氧化物层的导电电极，其制造方法和使用其的超级电容器，以改善集电体和导电金属氧化物层之间的粘合性 通过热压或热压工艺。 构成：多孔导电金属氧化物电极包括导电金属氧化物层的涂层，导电金属氧化物层和集电体。 导电金属氧化物层形成在集电体的至少一侧。 导电金属氧化物层具有网状结构的纳米纤维。 纳米纤维由纳米颗粒或纳米颗粒制成。

公开(公告)号：KR1020090027827A

公开(公告)日：2009-03-18

申请号：KR1020070092928

申请日：2007-09-13

Applicant: 한국과학기술연구원

Inventor： 이중기 ,  조병원 ,  정경윤 ,  김형선 ,  김일두 ,  전찬욱 ,  김용상

IPC: H01L31/053 ,  H01L31/06

CPC classification number: H01L31/04 ,  H01L31/022466 ,  H01M10/0525 ,  H01M10/465 ,  H01M14/005 ,  H02J7/35 ,  Y02E10/541 ,  Y02E10/566 ,  Y02E60/122 ,  Y02P70/521 ,  Y02P70/54

Abstract: A photovoltaic driven secondary battery system is provided to maximize the energy efficiency by reducing the electron loss of photo-electric conversion layer. The transparent electrode(31) transmits the light. The PN semiconductor layer is formed on the transparent electrode. The PN semiconductor layer generates the current generated by the incident light. The secondary battery layer is formed on the PN semiconductor layer and charges the generated current. The PN semiconductor layer comprises the P-type semiconductor(33) and N-type semiconductor(32). The P-type semiconductor is formed on the transparent electrode. The N-type semiconductor is formed on the P-type semiconductor.

Abstract translation: 提供光伏驱动的二次电池系统以通过减少光电转换层的电子损失来最大化能量效率。 透明电极（31）透射光。 在透明电极上形成PN半导体层。 PN半导体层产生由入射光产生的电流。 二次电池层形成在PN半导体层上并对所产生的电流进行充电。 PN半导体层包括P型半导体（33）和N型半导体（32）。 在透明电极上形成P型半导体。 在P型半导体上形成N型半导体。

公开(公告)号：KR100646281B1

公开(公告)日：2006-11-23

申请号：KR1020050117413

申请日：2005-12-05

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  홍재민 ,  박기홍 ,  최승훈

IPC: H01B3/46

Abstract: Provided are a composite dielectric membrane which is increased in dielectric constant and is reduced in dielectric loss, its preparation method, a capacitor containing the membrane, and a transistor containing the membrane. The composite dielectric membrane comprises a polymer substrate; and a ceramic having a pyrochlore structure which is filled in the polymer substrate. Preferably the polymer is at least one selected from polyimide, epoxy, polyacrylate, polyethylene terephthalate and benzocyclobutane, and the polymer substrate is obtained by dissolving the polymer in an organic solvent such as dimethyl acetamide. Preferably the ceramic having a pyrochlore structure comprises Bi2(Zn1/3 Nb2/3)2O7, Bi1.5 Zn M1.5 O7, (Bi)_(1-x) (Zn, Nb, Ta, Ti)x O7, (Ca, Ba, Sr, Pb)_(1-x) (Zn, Nb, Ta, Ti, Zr)x O, or (Ca_(1-x) Sr_x) Bi4Ti4O15, wherein M is Nb, Ta or Sb.

Abstract translation: 本发明提供介电常数增加且介电损耗降低的复合介电膜，其制备方法，包含该膜的电容器以及包含该膜的晶体管。 该复合介质膜包括聚合物基底; 和填充在聚合物基材中的具有烧绿石结构的陶瓷。 优选聚合物为选自聚酰亚胺，环氧树脂，聚丙烯酸酯，聚对苯二甲酸乙二醇酯和苯并环丁烷中的至少一种，聚合物基材通过将聚合物溶解在有机溶剂如二甲基乙酰胺中而获得。 优选地，具有烧绿石结构的陶瓷包括Bi 2（Zn 1/3 Nb 2/3）2 O 7，Bi 1.5 Zn 1.5 O 7，（Bi）（1-x）（Zn，Nb，Ta，Ti）x O 7，（ Ca，Ba，Sr，Pb）_（1-x）（Zn，Nb，Ta，Ti，Zr）x O或（Ca_（1-x）Sr_x）Bi4Ti4O15，其中M为Nb，Ta或Sb。

公开(公告)号：KR1020120063167A

公开(公告)日：2012-06-15

申请号：KR1020100124236

申请日：2010-12-07

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  송용원 ,  유용주

IPC: C04B35/622 ,  D01F9/10 ,  B82B3/00 ,  B82Y30/00 ,  C01G1/02

CPC classification number: C04B35/62231 ,  B82B3/0004 ,  B82Y30/00 ,  C01G1/02 ,  D01F9/10

Abstract: PURPOSE: A porous metal oxide nanofiber and a method for preparing the same are provided to be applied to various electrochemical elements. CONSTITUTION: A porous metal oxide nanofiber contains metal oxide nanoparticles and pores. The pore is formed between plural metal oxide nanoparticles. The specific surface of the pore is 20-400 m^2/g. The pore comprise a first nano pore with 1-25 nm of average diameter and a second nano pore with 30-250 nm of average diameter.

Abstract translation: 目的：提供多孔金属氧化物纳米纤维及其制备方法，用于各种电化学元件。 构成：多孔金属氧化物纳米纤维含有金属氧化物纳米颗粒和孔。 在多个金属氧化物纳米颗粒之间形成孔。 孔的比表面积为20-400m 2 / g。 孔包含平均直径为1-25nm的第一纳米孔和平均直径为30-250nm的第二纳米孔。

公开(公告)号：KR1020120025928A

公开(公告)日：2012-03-16

申请号：KR1020100088128

申请日：2010-09-08

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  송용원 ,  현태선

IPC: H01G11/30

CPC classification number: Y02E60/13 ,  H01G11/36

Abstract: PURPOSE: A complex electrode active material and a super-capacitor using the same and manufacturing method thereof are provided to enhance electrical and mechanical stability by improving adhesive properties between the complex electrode active material and a current collector. CONSTITUTION: A complex electrode active material comprises M1-xRuxO3. The M of the M1-xRuxO3 is one selected in a group consisting of strontium, barium, and magnesium. The x of the M1-xRuxO3 is 0.05 to 0.5. The complex electrode active material is fibril or a network of the fibril which includes a nano-fiber web, a nano-rod, nano-particles. The diameter of nano-fiber is 50-3000nm. The nano-fiber comprises the nano particles. The diameter of the nano particle is 1 to 20nm.

Abstract translation: 目的：提供一种复合电极活性物质和使用其的超级电容器及其制造方法，以通过改善复合电极活性材料与集电体之间的粘合性而提高电气和机械稳定性。 构成：复合电极活性材料包括M1-xRuxO3。 M1-xRuxO3的M是选自锶，钡和镁的组中的一种。 M1-xRuxO3的x为0.05〜0.5。 复合电极活性材料是原纤维或包含纳米纤维网，纳米棒，纳米颗粒的原纤维网。 纳米纤维的直径为50-3000nm。 纳米纤维包含纳米颗粒。 纳米颗粒的直径为1〜20nm。

公开(公告)号：KR1020110072805A

公开(公告)日：2011-06-29

申请号：KR1020090129884

申请日：2009-12-23

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  김수현

IPC: B82B1/00 ,  D01D5/00

CPC classification number: D01F1/10 ,  B29C47/0014 ,  B29C47/887 ,  B82Y30/00 ,  C04B35/62231 ,  C04B35/62236 ,  C04B35/6224 ,  C04B35/6225 ,  C04B35/62259 ,  C04B35/62263 ,  C04B35/62268 ,  C04B35/6264 ,  C04B35/6265 ,  C04B35/62675 ,  C04B35/6268 ,  C04B35/62876 ,  C04B35/62889 ,  C04B35/62894 ,  C04B35/632 ,  C04B35/63424 ,  C04B35/63444 ,  C04B2235/3284 ,  C04B2235/3293 ,  C04B2235/444 ,  C04B2235/449 ,  C04B2235/5264 ,  C04B2235/5454 ,  D01F9/08 ,  Y10T428/2927 ,  Y10T428/298

Abstract: PURPOSE: A nanofiber and a manufacturing method thereof are provided to obtain a uniform shaped nanofiber by close packing nano particles of metal, metal oxide or metal mixed oxide. CONSTITUTION: The nanofiber is formed from close packed nano particles selected among 'the metal, the metal oxide, the metal mixed oxide and their mixture group'. A micro pore of an average pore diameter of 0.1-20nm is included between the nano particles. The porosity per unit volume is 0.01-10%. The manufacturing method of the nanofiber includes following steps.(i) A spinning solution is prepared by dissolving a precursor to form the metal more than one kind, the metal oxide or the metal mixed oxide and a mixture having two kinds of polymers with different molecular weight and glass transition temperature.(ii) The spinning solution is radiated and a precursor/polymer composite fiber is formed.(iii) The precursor/polymer composite fiber is heat-treated.

Abstract translation: 目的：提供纳米纤维及其制造方法，通过紧密堆积金属，金属氧化物或金属混合氧化物的纳米颗粒，得到均匀成形的纳米纤维。 构成：纳米纤维由“金属，金属氧化物，金属混合氧化物及其混合物组合”中的紧密堆积的纳米颗粒形成。 在纳米颗粒之间包含平均孔径为0.1-20nm的微孔。 每单位体积的孔隙率为0.01-10％。 纳米纤维的制造方法包括以下步骤：（i）通过将前体溶解以形成多于一种的金属，金属氧化物或金属混合氧化物和具有不同分子的两种聚合物的混合物来制备纺丝溶液 重量和玻璃化转变温度;（ii）照射纺丝溶液，形成前体/聚合物复合纤维;（iii）对前体/聚合物复合纤维进行热处理。

公开(公告)号：KR1020110054811A

公开(公告)日：2011-05-25

申请号：KR1020090111596

申请日：2009-11-18

Applicant: 한국과학기술연구원

Inventor： 김일두 ,  김동훈 ,  최승훈

IPC: H01L21/336 ,  H01L21/31

CPC classification number: H01L29/4908 ,  H01L21/02118 ,  H01L21/02266 ,  H01L29/66969 ,  H01L29/78606 ,  H01L29/7869

Abstract: PURPOSE: A transistor using a polymethylmethacrylate thin film is provided to improve the stability of a device by using a polymethylmethacrylate thin film as a gate insulation layer and an organic protection layer. CONSTITUTION: A gate electrode is formed on a substrate. A gate insulation layer includes a gate electrode and a polymethacrylic acid thin film formed on the substrate. A channel layer is formed on the gate insulation layer. A source electrode and a drain electrode are formed to expose a part of the channel layer. The organic protection layer includes a polymethacrylic acid thin film formed on the partially exposed channel layer, the source electrode, and the drain electrode.

Abstract translation: 目的：提供使用聚甲基丙烯酸甲酯薄膜的晶体管，通过使用聚甲基丙烯酸甲酯薄膜作为栅极绝缘层和有机保护层来提高器件的稳定性。 构成：在基板上形成栅电极。 栅极绝缘层包括在基板上形成的栅电极和聚甲基丙烯酸薄膜。 沟道层形成在栅绝缘层上。 形成源电极和漏电极以暴露沟道层的一部分。 有机保护层包括形成在部分暴露的沟道层，源电极和漏电极上的聚甲基丙烯酸薄膜。

公开(公告)号：KR101035003B1

公开(公告)日：2011-05-20

申请号：KR1020080069095

申请日：2008-07-16

Applicant: 김병규 ,  한국과학기술연구원

Inventor： 김병규 ,  김일두 ,  김태균

IPC: G01N27/16 ,  G01N27/12 ,  G01N27/00

Abstract: 본 발명은 금속촉매 및 금속산화물을 포함하는 가스센서 및 이의 제조방법에 한 것으로서, 본 발명은 센서전극 위에 금속촉매전구체, 금속산화물전구체, 고분자 및 용매를 포함하는 용액을 방사하여 복합섬유를 형성하는 단계; 상기 나노파이버를 열 압착 또는 열 가압하여 센서기판 상에 압착하는 단계; 상기 기판 상에 압착된 복합섬유를 열처리하여 상기 복합섬유로부터 상기 고분자를 제거하는 단계를 포함하여, 금속촉매가 균일하게 포함된 금속산화물의 다공성 박층을 얻는 것을 특징으로 하는 가스센서의 제조방법 및 그로부터 제조된 가스센서를 제공한다. 본 발명에 의한 가스센서는 나노입자를 포함하여 이루어진 납작한 벨트(belt) 형태의 금속산화물 나노파이버의 네트워크 구조 표면에 나노미터 크기의 금속촉매가 균일하게 분포되어 있어서, 안정하고 감도(Sensitivity)와 선택성(Selectivity)이 높은 초고감도 센서를 구현할 수 있다.
금속촉매, 금속산화물, 나노입자, 가스센서, 나노파이버, 전기방사