Sodium-ion batteries: present and future
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TLDR
Current research on materials is summarized and discussed and future directions for SIBs are proposed to provide important insights into scientific and practical issues in the development of S IBs.Abstract:
Energy production and storage technologies have attracted a great deal of attention for day-to-day applications. In recent decades, advances in lithium-ion battery (LIB) technology have improved living conditions around the globe. LIBs are used in most mobile electronic devices as well as in zero-emission electronic vehicles. However, there are increasing concerns regarding load leveling of renewable energy sources and the smart grid as well as the sustainability of lithium sources due to their limited availability and consequent expected price increase. Therefore, whether LIBs alone can satisfy the rising demand for small- and/or mid-to-large-format energy storage applications remains unclear. To mitigate these issues, recent research has focused on alternative energy storage systems. Sodium-ion batteries (SIBs) are considered as the best candidate power sources because sodium is widely available and exhibits similar chemistry to that of LIBs; therefore, SIBs are promising next-generation alternatives. Recently, sodiated layer transition metal oxides, phosphates and organic compounds have been introduced as cathode materials for SIBs. Simultaneously, recent developments have been facilitated by the use of select carbonaceous materials, transition metal oxides (or sulfides), and intermetallic and organic compounds as anodes for SIBs. Apart from electrode materials, suitable electrolytes, additives, and binders are equally important for the development of practical SIBs. Despite developments in electrode materials and other components, there remain several challenges, including cell design and electrode balancing, in the application of sodium ion cells. In this article, we summarize and discuss current research on materials and propose future directions for SIBs. This will provide important insights into scientific and practical issues in the development of SIBs.read more
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References
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In situ observation of the sodiation process in CuO nanowires.
TL;DR: In situ transmission electron microscopy was used to observe the dynamic evolution of the morphology and phase transformations in CuO nanowires during the process of sodiation, facilitating a fundamental understanding of the sodiation mechanism in Cu O nanostructures used as electrode materials in sodium ion batteries.
Journal ArticleDOI
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A rechargeable all-solid-state sodium cell with polymer electrolyte
TL;DR: In this paper, the authors used polymer electrolyte sheets for secondary lithium cells with intercalation or insertion materials as positive polymer electrodes and obtained a Na/O ratio of 1:10.
Journal ArticleDOI
Superior cycle stability of nitrogen-doped graphene nanosheets for Na-ion batteries
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