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首页> 美国卫生研究院文献>Materials >Metal Sulphides and Their Carbon Supported Composites as Platinum-Free Counter Electrodes in Dye-Sensitized Solar Cells: A Review
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Metal Sulphides and Their Carbon Supported Composites as Platinum-Free Counter Electrodes in Dye-Sensitized Solar Cells: A Review

机译：染料敏化太阳能电池中的金属硫化物及其碳载复合材料作为无铂对电极的研究进展

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摘要

Energy sufficiency is a critical requirement for the economic prosperity of modern countries. Efficient harnessing of solar energy using technologies such as the dye-sensitized solar cell could solve the energy problem which persistently plagues developing countries. Despite having a simple operational procedure and modest power conversion efficiency of 13.8%, the dye-sensitized solar cell consists of an expensive platinum counter electrode which makes commercial success futile. Thus, this review intends to establish the progress researchers have attained in the development of sulphide based counter electrodes as alternatives to platinum, thereby lowering cost of production. Metallic sulphides are good electrocatalysts and cheap, hence, they possess the necessary requirements for effective functional counter electrodes. Furthermore, ternary metallic sulphides are known to exhibit higher efficiencies stemming from the synergistic effect produced by the co-existence of two metal ions in a crystal structure, which is believed to induce greater catalytic capability. Incorporation of metallic sulphides with carbon materials, which are exceptional electrical conductors, could potentially produce more efficient counter electrodes. In that regard, this review seeks to establish the effect recently developed composite counter electrodes comprising metallic sulphides and carbon-based materials have induced on the functionality of the counter electrode (CE).
机译：能源充足是现代国家经济繁荣的关键要求。使用诸如染料敏化太阳能电池之类的技术来有效利用太阳能可以解决持续困扰发展中国家的能源问题。尽管具有简单的操作程序和13.8％的适度功率转换效率，染料敏化太阳能电池仍由昂贵的铂对电极组成，这使商业成功徒劳无功。因此，本综述旨在确定研究人员在开发基于硫的对电极作为铂的替代品方面所取得的进展，从而降低生产成本。金属硫化物是良好的电催化剂，价格便宜，因此，它们对有效的功能对电极具有必要的要求。此外，已知三价金属硫化物表现出较高的效率，这是由于两种金属离子在晶体结构中共存所产生的协同效应所致，据信这会引起更大的催化能力。将金属硫化物与碳材料结合在一起，碳材料是出色的电导体，有可能产生更高效的反电极。在这方面，本综述试图确定最近开发的包括金属硫化物和碳基材料的复合对电极对反电极（CE）功能的影响。

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