Cu<sub>2</sub>Nb<sub>34</sub>O<sub>87</sub> nanowires as a superior lithium storage host in advanced rechargeable batteries
Xinhao Cai, Huihui Yan, Runtian Zheng, Haoxiang Yu, Zhengwei Yang, Xikun Zhang, Maoting Xia, Wei Chen, Yanhua Cui, Jie Shu
Abstract
Cu<sub>2</sub>Nb<sub>34</sub>O<sub>78</sub> nanowires present a high charge capacity of 279.8 mA h g<sup>−1</sup> with a Coulombic efficiency of 89.6% based on Nb<sup>5+</sup>/Nb<sup>4+</sup>, Nb<sup>4+</sup>/Nb<sup>3+</sup> and Cu<sup>2+</sup>/Cu<sup>+</sup> redox couples.
Topics & Concepts
Lithium (medication)Materials scienceFaraday efficiencyCrystallographyElectrochemistryChemistryPhysical chemistryElectrodeMedicineEndocrinologyAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced battery technologies research