Nanoscale niobium oxides anode for electrochemical lithium and sodium storage: a review of recent improvements
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REVIEW
Nanoscale niobium oxides anode for electrochemical lithium and sodium storage: a review of recent improvements Peixing Shen1 · Beibei Zhang2 · Yuan Wang3 · Xuemei Liu1 · Cuiyan Yu1 · Tao Xu1 · Sajjad S. Mofarah4 · Yanlong Yu1 · Yanguo Liu5,6 · Hongyu Sun5 · Hamidreza Arandiyan7,8 Received: 7 September 2020 / Accepted: 30 October 2020 © Islamic Azad University 2020
Abstract In recent years, Nb-based oxides, especially N b2O5, due to their unique structural advantages, have stimulated scholars’ extensive research enthusiasm in the field of energy storage systems including lithium ion batteries (LIBs) and sodium ion batteries (SIBs), excellent chemical stability and outstanding rate capability dominated by pseudocapacitive nature. In addition, Nb-based oxides usually have a higher operating voltage (> 1.0 V vs Li+/Li), which can effectively prevent the decomposition of organic electrolytes and the formation of solid electrolyte interface films in batteries. This review systematically summarizes the different crystal structures of N b2O5 and the lithium storage mechanism based on theoretical calculations, as well as the comparison of various synthesis strategies. In addition, the advanced research progress of niobium-based oxides as anode materials in LIBs and SIBs is summarized from the perspective of nanostructure control engineering that affects electrochemical performance. It also puts forward reasonable cognition and challenges for future research, which is conducive to the design of energy storage equipment that meets the needs of sustainable development. Graphic abstract The design and optimization of various synthesis methods facilitate the formation of a variety of heterogeneous nanostructures, leading to reversible storage of Li and Na ions.
Keywords Niobium oxides · Nanostructures · Lithium storage · Sodium storage Extended author information available on the last page of the article
13
Vol.:(0123456789)
Journal of Nanostructure in Chemistry
Introduction At present, the energy crisis is mainly caused by the increasing consumption of non-renewable energy, such as fossil fuel and the lack of efficient utilization of renewable energy (solar energy, wind energy, tidal energy, etc.), due to geographic factor, low energy density, unstable energy input and other reasons. The root of solving this problem lies in the design of a device with energy storage and conversion for rational allocation and utilization of resources [1, 2]. As a new type of energy storage equipment, lithiumion batteries (LIBs) were first commercialized by SONY in 1991. Compared with nickel-metal hydride batteries and lead-acid batteries, it is widely used in portable electronic apparatus, new energy vehicles and other fields due to its advantages of excellent cycle stability, high voltage platform and environmental friendliness [3–8]. Meanwhile, the development of these power and energy storage fields is also limited by the lithium battery single-cell system. According to different needs, it is the future trend to study
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