Electrolyte for dye-sensitized solar cell and method for preparing same

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

15/241,604

專利證號

US 10,224,152 B2

專利獲證名稱

Electrolyte for dye-sensitized solar cell and method for preparing same

專利所屬機關 (申請機關)

國立成功大學

獲證日期

2019/03/05

技術說明

本技術主要在開發可印刷式電解質以應用於染料敏化太陽能電池(DSSC)，分別利用兩種低揮發性的有機溶劑gamma-Butyrolactone (gBL)和3-Methoxypropionitrile (MPN)作為I-/I3-氧化還原對之溶劑，調控聚合物的含量來提升電解質之黏度，使電解質呈現膏狀漿料(paste)之特性，能藉由印刷製程披覆、滲入至染料敏化太陽能電池之光電極上。此一電解質的應用不僅可以解決傳統電解質灌注製程中電解液洩漏、封裝不易等問題，更有利於DSSC的大規模生產製程。相較於傳統電解質灌注法，藉由印刷法將此電解質導入電池元件中有更好的薄膜滲透性，若再於電解質中添加奈米粒子來增加其導電性能，則此擬固態電池之光電轉換效率可提升至液態電池的效率。因此，本技術提出的可印刷式電解質除了適用於大量生產製程、並同時擁有高效率以及高電池穩定性的優點。 The main purpose of this invention is the development of electrolyte pastes which can be applied for the printing process of dye-sensitized solar cells (DSSCs). Solvents including gamma-Butyrolactone (gBL) and 3-Methoxypropionitrile (MPN) were used as the solvents of the I-/I3- redox couples. Polymers and nanoparticles were used as additives to regulate the viscosity of the electrolyte pastes to be able to operate by the printing process.The printing process is more suitable for the mass production processes of DSSCs. If suitable nano-fillers were added simultaneously into the electrolyte pastes to enhance the charge transfer properties, the quasi-solid state DSSCs can achieve energy conversion efficiencies similar to those of the liquid versions. Therefore, the electrolytes developed in this invention get the advantages of high conversion efficiency, good cell stability, and suitable for the mass production process.

備註

連絡單位 (專責單位/部門名稱)

企業關係與技轉中心

連絡電話

06-2360524

網址