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电子沉积铜锡硫化物/减少氧化石墨烯纳米用于高性能超级电容电极

Endale Kebede Feyie¹, Lemma Teshome Tufa^1,2, Jaebeom Lee^2,3

¹Department of Applied Chemistry, Adama Science and Technology University, P.O. Box: 1888, Adama 1888, Ethiopia.

|March 4, 2024

概括

铜锡硫化物减少的氧化石墨烯复合电极显示了增强的超级电容器性能. 这种新型材料为储能应用提供了更好的特定容量,速率能力和循环稳定性.

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
储能储能储能储能储能储能

背景情况:

铜锡硫化物 (Cu4SnS4) 由于其导电性和容量,是超级电容器电极的有前途的三元过渡金属素化物.
现有的Cu4SnS4电极的周期稳定性,速率能力和特异性容量不佳,通常是由于导电性低和材料聚合.

研究的目的:

制造一个无粘合剂的铜锡硫化物减少氧化石墨烯/泡 (CTS-rGO/NF) 复合电极.
通过加入减少的石墨烯氧化物 (rGO) 和使用电沉积技术来增强Cu4SnS4的超容性能.

主要方法:

在泡 (NF) 基板上逐步,轻松地对rGO和CTS进行电沉积.
电化学表征包括特定电容,速率能力和循环稳定性测试.

主要成果:

CTS-rGO/NF复合电极在5 mA cm-2时达到820.83 F g-1的特定电容,明显高于CTS/NF (516.67 F g-1).
复合电极表现出极好的速率能力 (73.1%的保留从5到12 mA cm-2) 和循环稳定性 (超过92%的容量保留1000个循环后).

结论:

整合rGO协同增强了CTS的导电性和表面积,从而实现了卓越的超级容量性能.
制造的CTS-rGO/NF复合电极是用于先进的储能应用,特别是超级电容器的高效材料.

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