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Unraveling Na-Ion Insertion Mechanisms in Polymer-Derived SiCN(O) Ceramic via Operando Raman Spectroscopy
Batteries & Supercaps ( IF 5.7 ) Pub Date : 2024-03-27 , DOI: 10.1002/batt.202400029
Marco Melzi d'Eril 1 , Alexander Kempf 1 , Dario M. De Carolis 1 , Magdalena Joanna Graczyk‐Zajac 1, 2 , Gabriela Mera 1 , Ralf Riedel 1
Affiliation  

This study explores Na-ions insertion in the “free carbon” phase within two SiCN(O) matrices, prepared with distinct thermal treatments. Structural variations influence electrochemical performance, with SiCN(O)1000 showing higher capacity. Operando Raman spectroscopy reveals microstructural changes during sodium storage resulting in the shifting of the Operando Raman spectra.

中文翻译:

通过操作拉曼光谱揭示聚合物衍生 SiCN(O) 陶瓷中钠离子的插入机制

本研究探讨了钠离子插入两种 SiCN(O) 基质中“游离碳”相的情况,这两种基质采用不同的热处理方法制备。结构变化影响电化学性能,SiCN(O)1000 显示出更高的容量。 Operando 拉曼光谱揭示了钠储存过程中微观结构的变化,导致了 Operando 拉曼光谱的变化。
更新日期:2024-03-27
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