Abstract:
A dye-sensitized solar cell and a manufacturing method thereof are provided to maximize efficiency by preventing effectively recombination of an electrolyte and electrons transmitted to a conductor. A semiconductor electrode(110) includes a conductive substrate(112), an oxide semiconductor-conductor structure(115), and a dye molecule layer(117). The oxide semiconductor-conductor structure is formed on an upper surface of the conductive substrate. The dye molecule layer is absorbed in a surface of an oxide semiconductor(114). The conductive substrate is electrically connected with the oxide semiconductor-conductor structure. A conductor(113) of the oxide semiconductor-conductor structure is electrically connected with the conductive substrate.
Abstract:
기판으로서 pn 접합 다이오드를 포함하는 탬덤 구조를 사용하는 염료감응 태양전지에 대하여 개시한다. 본 발명에 따른 염료감응 태양전지는 제1 전도성 기판 위에 형성된 반도체 전극과, 제2 전도성 기판 위에 형성된 대향 전극과, 상기 반도체 전극과 상기 대향 전극과의 사이에 개재되어 있는 전해질층을 포함한다. 상기 제1 전도성 기판 및 제2 전도성 기판 중 적어도 1 개의 기판은 pn 접합 다이오드를 포함한다. 염료감응 태양전지, pn 접합 다이오드, 기판, 탠덤
Abstract:
A dye-sensitized solar cell and a manufacturing method thereof for reducing the number of electronics corresponding to a porous structure on the surface of a lower plate are provided to improve the efficiency of photovoltaic energy conversion and reduce the number of photovoltaic energy conversion. A dye-sensitized solar cell comprises a lower plate(10), an upper plate(50), a semiconductor electrode layer(20), a dye layer(30) and an electrolyte solution(40). The lower plate has one or more groove(15) on the selected surface. The semiconductor electrode layer is arranged on the selected side of the lower plate. The semiconductor electrode layer contacts the lower plate through one or more groove of the lower plate. The dye layer is on the semiconductor electrode layer. The electrolyte solution is arranged between the lower part and upper plate. In order to improve the efficiency of the photovoltaic energy conversion by using the lower plate, the manufacturing method of the dye-sensitized solar cell is performed.
Abstract:
A design method of a liquid electrolyte composition is provided to reduce many trials and errors for finding the composition ratio of liquid electrolyte by grasping the composition range of liquid electrolyte organic solvents corresponding to the standards in advance. A design method of a liquid electrolyte composition containing non-aqueous mixed organic solvent and lithium salt, comprises (S10) a step of selecting a compositional component of the mixed organic solvent; (S20) a step of finding the composition range to satisfy constant boundary value such as average permittivity, average viscosity and average boiling point through simulation; (S30) a step of dividing the composition range into a plurality of groups; a step of selecting the representative composition ratio in a plurality of groups; (S40) a step of forming an electrolyte composition by adding a lithium salt in non-aqueous mixed organic solvent having the representative composition ratio; and (S50) a step of selecting the optimum composition ratio of electrolyte composition by measuring the properties of the electrolyte composition.
Abstract:
복수의 전지가 수직 방향으로 차례로 적층된 염료감응 태양전지 모듈의 제조 방법에 관하여 개시한다. 본 발명에 따른 수직 적층형 염료감응 태양전지 모듈에서 복수의 전지가 상호 평행하게 수직 방향으로 차례로 적층되어 있다. 각각의 전지는 상호 대향하고 있는 반도체 전극 및 상대 전극과 이들 사이에 개재된 전해질층을 포함한다. 복수의 전지중에서 선택되는 상호 인접한 제1 전지 및 제2 전지와의 사이에는 제1 전지의 상대 전극이 형성된 제1 표면과, 제2 전지의 반도체 전극이 형성된 제2 표면을 가지는 제1 전도성 투명 기판이 개재되어 있다. 반도체 전극이 형성된 제2 전도성 투명 기판이 복수의 전지중 최하측 전지를 구성하고, 상대 전극이 형성된 제3 전도성 투명 기판이 최상측 전지를 구성한다. 염료감응 태양전지, 수직 적층, 직렬, 유효 면적, 에너지 변환 효율
Abstract:
A dye-sensitized solar cell including an electron recombination blocking layer is provided to maximize energy conversion efficiency by avoiding the loss of electrons through a conductive substrate of a semiconductor electrode. A dye-sensitized solar cell(100) includes a semiconductor electrode(102), a counter electrode(104), and an electrolyte layer(106) interposed between the semiconductor electrode and the counter electrode. The semiconductor electrode includes a first conductive substrate(110), an electron recombination blocking layer(112) formed on the first conductive substrate, a porous metal oxide layer(114) formed on the electron recombination blocking layer, and a dye molecular layer adsorbed to the surface of the porous metal oxide layer. The electron recombination blocking layer is made of a crystalline metal oxide layer having a void fraction of 0-10 percent. The porous metal oxide layer has a void fraction of 40-60 percent. The counter electrode can include a second conductive substrate(160) and a first conductive layer formed on the second conductive substrate.
Abstract:
A novel dithiafuvalenes compound, a method for preparing the same compound, and a dye-sensitized solar cell using dye comprising the same compound are provided to form the dye-sensitized solar cell having various kinds of colors. A dye-sensitized solar cell includes a semiconductor electrode(10), a facing electrode(20), and an electrolyte solution(30) inserted between the semiconductor electrode and the facing electrode. The semiconductor electrode is formed with a transparent conductive glass substrate(12) and a nano-particle metal oxide layer(14) formed on the transparent conductive glass substrate. The facing electrode includes a conductive glass substrate(22) and a platinum layer(24).
Abstract:
염료감응 태양전지의 나노 입자 산화물 전극 형성 방법을 제공한다. 본 발명은 산성 또는 염기성에서 분산이 잘되는 나노 입자 산화물 콜로이드 용액에 각각 염기성 수용액 및 산성 용액을 첨가하여 산-염기 반응에 의해 염 형태의 나노 입자 산화물 페이스트를 형성한다. 이어서, 상기 나노 입자 산화물 페이스트를 기판에 코팅한 후, 150℃ 이하의 저온에서 건조시켜 염료감응 태양전지의 나노 입자 산화물 전극을 형성한다. 이에 따라, 본 발명은 고분자를 첨가하지 않고도 점도가 높은 저온코팅용 나노 입자 산화물 페이스트를 산-염기 화학에 기초하여 제조할 수 있고, 이를 통하여 저온에서도 나노 입자 산화물 전극을 형성할 수 있다.
Abstract:
PURPOSE: A dye-sensitized solar cells including titanium silicalite-2 is provided to improve photo conversion efficiency by stabilizing a photocurrent characteristic while increasing photocurrent without reducing a photovoltage. CONSTITUTION: A semiconductor electrode(10) includes a mixture layer(14) of a transition metal oxide and titanium silicalite-2. An electrolyte solution(30) is interposed between the semiconductor electrode and an electrode(20) confronting the semiconductor electrode. The semiconductor electrode is composed of a conductive transparent substrate and the mixture layer coated on the transparent substrate. The semiconductor electrode further includes a dye molecule layer chemically absorbed to the transition metal oxide.