Are sodiation/de-sodiation reactions reversible in two-dimensional metallic NbSe<sub>2</sub>?
Zaichun Liu, Rui Wang, Panpan Zhang, Chaochao Dun, Jeffrey J. Urban, Sheng Yang, Tao Wang, Yuan Ma, Yiren Zhong, Jiarui He, Zhigang Zhu, Xiaosong Xiong, Weijia Fan, Qi Zhou, Haoyuan Yang, Xin‐Bing Cheng, Faxing Wang, Ying Huang, Yuping Wu
Abstract
The sodiation/de-sodiation mechanism of metallic NbSe 2 anodes is corrected to involve an initial irreversible conversion from NbSe 2 to Na 2 Se/Nb composites and the subsequent reversible selenide conversion reaction.
Topics & Concepts
SelenideAnodeMetalChemistryMaterials scienceMetallurgyPhysical chemistryElectrodeSelenium2D Materials and ApplicationsInorganic Chemistry and MaterialsMXene and MAX Phase Materials