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Effect of Vinylene Carbonate Electrolyte Additive on theProcess of Insertion/Extraction of Na into Ge Microrods Formedby Electrodepositionстатья
- Авторы: Lebedev Egor A., Gavrilin Ilya M., Kudryashova Yulia O., Martynova Irina K., Volkov Roman L., Kulova Tatiana L., Skundin Alexander M., Borgardt Nikolay I., Gavrilov Sergey A.
- Журнал: Batteries
- Том: 8
- Номер: 9
- Год издания: 2022
- Издательство: MDPI Publishing
- Местоположение издательства: Basel, Switzerland, Switzerland
- Номер статьи: 109
- DOI: 10.3390/batteries8090109
- Аннотация: Layers of germanium (Ge) microrods with a core–shell structure on titanium foils weregrown by a metal-assisted electrochemical reduction of germanium oxide in aqueous electrolytes.The structural properties and composition of the germanium microrods were studied by means ofscanning and transmission electron microscopy. Electrochemical studies of germanium nanowireswere carried out by impedance spectroscopy and cyclic voltammetry. The results showed that theaddition of vinylene carbonate (VC) in the electrolyte significantly reduced the irreversible capacity during the first charge/discharge cycles and increased the long-term cycling stability of the Ge microrods. The obtained results will benefit the further design of Ge microrods-based anodes that are formed by simple electrochemical deposition
- Добавил в систему: Кулова Татьяна Львовна