染料敏化太阳能电池对电极无机非金属固溶体催化材料的构筑与催化性能

项目名称： 染料敏化太阳能电池对电极无机非金属固溶体催化材料的构筑与催化性能

项目编号： No.21473048

项目类型： 面上项目

立项/批准年度： 2015

项目学科： 数理科学和化学

项目作者： 武克忠

作者单位： 河北师范大学

项目金额： 40万元

中文摘要： 基于染料敏化太阳能电池（DSSC）实现太阳能的储存和利用，是提高能源利用效率和保护环境的重要技术之一。本项目拟构筑无机非金属固溶体非Pt催化材料MoxW1-xA（x=0-1，A= C、N、O），应用于DSSC对电极。以减少Pt的用量，降低DSSC成本，提高电池稳定性。首先制备固溶体，采用物相分析、差热、红外及XRD等技术，确定体系形貌、显微组织、晶体结构及基础化学热力学数据。分析固溶体相平衡过程和固熔体形成条件，确立共析物、中间化合物及固熔体结构与组成的关系。采用电化学技术，测定固溶体电催化和光电转换性能，从而确立化学热力学数据与电化学性能之间的对应关系。以期筛选出符合催化要求、成本适宜的DSSC对电极固溶体催化剂，拓展催化剂的选择范围。

中文关键词： 染料敏化太阳能电池；对电极；无机非金属；固溶体；电化学催化

英文摘要： The storage and utilizing of solar energy by Dye-sensitized Solar Cells (DSSC) is one of the most important technology to improve the energy efficiency and protect the environment. This project is aimed at constructing inorganic non-metallic solid solution of Pt-free catalytic materials and applying to the counter electrode of dye-sensitized solar cell. In order to cut the content of Pt, reduce the cost of DSSC, improve the cell stability. The MoxW1-xA (x=0-1, A= C, N, O) solid solution materials will be synthesized, the morphology, microstructure, crystal structure of each solid solution system and basic chemical thermodynamics data will be determined by phase analysis, differential thermal analysis (DTA), X-ray diffraction (XRD) and IR techniques. The phase equilibrium process and the formation conditions of the solid solution will be analysed, the relationship of the structure and composition for the eutectoid will be established. The experimental data were further optimized and evaluated by the CALPHAD technology. It is used to predicting the thermodynamic properties of the solid solution catalytic material. The selected solid solution catalyst on the counter electrodes are determined by electrocatalysis and photoelectric conversion performance by the electrochemical technique in the encapsulation of DSSC ba

英文关键词： Dye–sensitized solar cells；counter electrode；inorganic nonmetallic materials；solid solution；electrocatalytic