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开发用于光辅助硫电池的多功能阴极

Fei Zhao¹, Ke Yang¹, Yuxin Liu¹

¹State Key Laboratory of Solidification Processing, Center of Advanced Lubrication and Seal Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, P. R. China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)

|July 20, 2024

概括

这项研究引入了一种用于光辅助硫电池 (PALSB) 的新型光电极. 这种新材料提高了电池的性能,并通过太阳能直接充电.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
可再生能源可再生能源是可再生能源.

背景情况:

将太阳能电池与二次电池集成,可以改善能源应用和电池性能.
硫电池 (LSB) 由于其高理论容量,对光辅助应用具有前景.
结合太阳能和LSB的研究仍然有限.

研究的目的:

为光辅助硫电池 (PALSB) 开发一个独立的光电极.
提高电化学性能,并使LSBs的太阳能充电成为可能.
研究光催化和电催化在PALSB中的协同效应.

主要方法:

在碳布上制造一个异质结构的Au@N-TiO2光电极 (Au@N-TiO2/CC).
使用开发的光电极组装光辅助硫电池 (PALSB).
评估电化学性能,包括特定容量,速率能力和在光照下循环稳定性.

主要成果:

该Au@N-TiO2/CC光电极产生光电子和孔,以促进硫氧化还原反应.
该材料作为电催化剂,促进聚硫化物转化和减轻副作用反应.
PALSB具有超高的特定容量,优异的速率性能和出色的循环稳定性,具有直接太阳能充电能力.

结论:

开发的Au@N-TiO2/CC光电极通过协同光催化和电催化显著提高了PALSB的性能.
这项工作证明了先进的硫电池直接太阳能充电的可行性.
该研究为开发高效的光辅助储能设备提供了新的见解.

关键词:

在 Au@N-TiO2/CC 中使用.电催化剂是一种电催化剂.硫电池是硫电池的一种.光催化作用的光催化作用光电极的光电极是光电极.

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