Abstract:
하이브리드 젤을 제조하는 방법이 개시된다. 하이브리드 젤을 제조하기 위하여 Si 전구체를 이용한 졸-겔(Sol-gel) 공정을 통하여 실리카 졸을 형성하고, 멜라민을 용매에 용해시켜 멜라민레진 용액을 형성하며, 실리카 졸과 멜라민레진 용액을 혼합할 수 있다. 이러한 하이브리드 젤에서는 유무기 성분 사이의 상분리가 일어나지 않고, 이를 이용하면 저유전상수를 갖고 기계적 특성이 우수한 유전막을 제조할 수 있다.
Abstract:
A production method of hybrid gel is disclosed. The production method of the hybrid gel comprises the following steps: producing silica sol by a sol-gel process using a Si precursor; dissolving melamine in a solvent to obtain a melamine resin solution; and mixing the silica sol with the melamine resin solution. The hybrid gel does not generate the phase separation between organic and inorganic components, can produce a dielectric layer having low dielectric constant and excellent mechanical properties.
Abstract:
본 발명은 기둥형 태양전지를 포함하는 3차원 태양전지 모듈을 제공한다. 상기 태양전지 모듈을 기둥형상의 태양전지; 및 상기 태양전지가 복수개로 배치된 지지기판을 포함하며, 상기 태양전지들은 상기 태양전지의 축방향과 상기 지지기판의 수평방향이 0 내지 90° 의 각도 범위에서 서로 다른 두 각을 포함하도록 배치되는 태양전지 모듈을 포함한다. 따라서 이러한 기둥형 태양전지를 지지기판상에 수직 및 0 내지 90° 각도로 배열함으로서 지지기판의 수평면적당 태양광이 비춰지는 표면적을 기존의 평면구조보다 현격히 증가시킨다. 나아가, 기둥형 태양전지는 평면형 태양전지에 비해 일조시간 동안 태양광이 비춰지는 각도에 따라 변화되는 수광면적의 차이를 최소화할 수 있으므로 태양광의 위치에 따라 태양전지 모듈을 이동시킬 필요가 없다.
Abstract:
PURPOSE: A 3D solar cell module is provided to increase light receiving efficiency by widening surface area receiving sunlight. CONSTITUTION: A bearing substrate(200) arranges a plurality of column type solar batteries(100). The plurality of column type solar batteries is arranged in order to form one angle. The angle is selected within 0° to 90°. The plurality of column type solar batteries is arranged on a plane of the bearing substrate. The bearing substrate is formed into flat shape or convex shape. The plurality of column type solar batteries comprises a first electrode, a photonic transformation layer, and a second electrode. The photonic transformation layer is arranged at the outer circumference of the fist electrode. The second electrode is arranged at the outer circumference of the photonic transformation layer.
Abstract:
PURPOSE: A method for coating a substrate with graphene oxides and a method for manufacturing a substrate coated with the reduced product of the graphene oxides are provided to improve the electric conductivity of a substrate by reducing graphene oxides coated on the substrate. CONSTITUTION: A method for coating a substrate with graphene oxides includes the following: a graphene oxide dispersed solution(120) is prepared; a substrate(100) is immersed in the dispersed solution; and the substrate is drawn from the dispersed solution to be dried. The concentration of the dispersed solution is in a range between 0.1 and 10mg/ml. The surface of the substrate is modified to become hydrophilic based on plasma treatment or surfactant treatment.
Abstract:
고분자 전해질막을 포함하는 전기화학 캐패시터와 염료감응형 태양전지를 제공한다. 상기 고분자 전해질막은 섬유상 고분자 매트릭스와 상기 섬유상 고분자 매트릭스 내에 함입된 전해질을 구비한다. 상기 섬유상 고분자 매트릭스는 고분자 섬유의 표면에 금속 입자 또는 준금속(metalloid) 입자가 부착된 것이다. 고분자 전해질막은 먼저, 금속 또는 준금속의 염을 함유하는 고분자 용액을 방사하여 고분자 섬유막을 형성하고, 상기 고분자 섬유막을 압축하여 섬유상 고분자 매트릭스를 형성하고, 상기 섬유상 고분자 매트릭스 내에 전해질을 함입하여 제조할 수 있다.
Abstract:
PURPOSE: A silicon thin film forming method is provided to reduce the cost and simplify the process using the silicon organic compound. CONSTITUTION: The silicon thin film forming method comprises as follows. A composition for the thin film including the silicon organic compound is fabricated(S1). The composition for the thin film is applied on a substrate(S2). The composition for the thin film spreading on a substrate is heat-treated. The silicon organic compound is indicated as the chemical formula 1 or the chemical formula 2. In the chemical formula 1, R1 and R2 are the hydrocarbon radical of less than 20 carbon atoms. In the chemical formula 2, R3 and R4 are the hydrocarbon radical which has less than 20 carbon atoms. R5 is the hydrocarbon radical which has less than 5 carbon atoms.
Abstract:
A skin sensor for robotic applications and a sensing method thereof are provided to increase the efficiency of a sensor by attaching a skin for the robot on the device. In a skin sensor for robotic applications and a sensing method thereof, a sensor unit(12) comprises a first and a second electrode on the top and bottom of a film which is made of the dielectric and elastic member. An external resistance(13) is serially connected to the sensor unit, and a power supply unit(14) supplies power which is set up at the sensor unit and the external resistance in advance. The controller detects voltage supplied to the external resistance and sense impedance variation, and then it determines the size of external load by using a detected result.
Abstract:
A focal distance control lens using transparent electro-active ion-exchange actuator capable of controlling focal distance without physical driving unit is provided to facilitate use by being operated in not only air but also water according to kind of electrolyte. A focal distance control lens using transparent electro-active ion-exchange actuator capable of controlling focal distance without physical driving unit comprises an ion switch layer(1) and conductive polymer electrode layers(2a, 2b). The ion switch layer has an ion switching property. The conductive polymer electrode layers are positioned on both sides of the ion switch layer, and are made of a transparent conductive polymer.
Abstract:
Provided is a direct methanol fuel cell which is inhibited in the crossover of methanol by reducing the diffusion velocity of methanol so as to allow the injected methanol to be reacted completely at a catalyst layer and is high in power density. The direct methanol fuel cell comprises a fuel electrode(5); an air electrode(7); a polymer electrolyte membrane(6); a fuel bottle(1); and a fuel diffusion velocity control material layer(3) which is formed between the fuel bottle and the fuel electrode. Preferably the fuel diffusion velocity control material layer is inserted between the current collector(4) and the battery support(2) present between the fuel electrode and the fuel bottle, and is made of a polymer. Preferably the battery support is made of epoxy carbon or epoxy glass.