Abstract
Download options Please wait... Supplementary files Supplementary information PDF (208K) Article information DOI https://doi.org/10.1039/C4RA05336B Article type Paper Submitted 05 Jun 2014 Accepted 30 Jul 2014 First published 31 Jul 2014 This article is Open Access Download Citation RSC Adv., 2014,4, 40985-40993 BibTex EndNote MEDLINE ProCite ReferenceManager RefWorks RIS Permissions Request permissions Exploiting Na2MnPO4F as a high-capacity and well-reversible cathode material for Na-ion batteries X. Lin, X. Hou, X. Wu, S. Wang, M. Gao and Y. Yang, RSC Adv., 2014, 4, 40985 DOI: 10.1039/C4RA05336B This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given. Read more about how to correctly acknowledge RSC content. Social activity Tweet Share Search articles by author Xiaochen Lin Xu Hou Xiaobiao Wu Sihui Wang Ming Gao Yong Yang
Highlights
Lithium-ion batteries play an important role as a highly efficient energy-storage device in our society due to the current wide applications in portable electronics and the future potential for large-scale energy storage and utilization of renewable energy.[1,2] In parallel with the development of Li-ion batteries, Na-ion batteries have gradually become the central focus of renewable energy storage in the last few years
This con rms that the phase-pure Na2MnPO4F is successfully synthesized as all of the Bragg peaks can be completely indexed to a monoclinic structure with a symmetry of P21/n
We conduct the ex situ X-ray photoelectron spectroscopy (XPS) measurements of Mn 3s to prove the existence of Mn2+ and study the variation trend of Mn valence during charge/discharge, and from Fig. 3b, the binding energy peaks indexed at 284.8 eV and 288.7 eV are identi ed as the C 1s signal from the decomposition of citric acid.[24]
Summary
Lithium-ion batteries play an important role as a highly efficient energy-storage device in our society due to the current wide applications in portable electronics and the future potential for large-scale energy storage and utilization of renewable energy.[1,2] In parallel with the development of Li-ion batteries, Na-ion batteries have gradually become the central focus of renewable energy storage in the last few years. The obtained Na2MnPO4F turned out to be inactive, they existed in the similar particle size and distribution compared with the active Na2FePO4F (
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