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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Inner-conductivity optimized core-shell Ag@Fe3O4 nanospheres for high-performance lithium-/sodium-ion batteries
TL;DR: Li et al. as mentioned in this paper synthesize an innovative core-shell Ag@Fe3O4 nanospheres via a facile hydrothermal method with a uniform core size of ∼70 nm and shell thickness of ∼60 nm.
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Revealing the structure design of alloyed based electrodes for alkali metal ion batteries with in situ TEM
TL;DR: In this paper, the authors reviewed two current research hotspots and mainly focused on the structure design of alloyed based electrode material under the guidance of in situ transmission electron microscopy (TEM).
Journal ArticleDOI
Stabilizing Interfacial Reactions for Stable Cycling of High‐Voltage Sodium Batteries
Yan Jin,Yaobin Xu,Biwei Xiao,Mark H. Engelhard,Ran Yi,Thanh D. Vo,Bethany E. Matthews,Xiaolin Li,Chongmin Wang,Phung M. L. Le,Ji-Guang Zhang +10 more
TL;DR: In this paper , an advanced electrolyte based on sodium bis(fluorosulfonyl)imide (NaFSI)-triethyl phosphate, which is highly stable against a high-voltage cathode, enabling long-term cycling of sodium batteries, is reported.
Journal ArticleDOI
Phase-structure-dependent Na ion transport in yttrium-iodide sodium superionic conductor Na3YI6
He Huang,He Huang,Hong-Hui Wu,Hong-Hui Wu,Cheng Chi,Yuewang Yang,Jiongzhi Zheng,Baoling Huang,Shouguo Wang +8 more
TL;DR: In this paper, the structural stabilities and Na ion transport mechanisms of halide-based Na superionic conductors with different phase structures using first-principle calculations and data mining techniques were systematically studied.
Journal ArticleDOI
Engineering sodium metal anode with sodiophilic bismuthide penetration for dendrite-free and high-rate sodium-ion battery
Wangting Zhao,Min Guo,Zhijun Zuo,Xiaoli Zhao,Huanglin Dou,Yijie Zhang,Shiying Li,Zichen Wu,Yayun Shi,Xiaowei Wang +9 more
TL;DR: In this paper , a hybrid anode with sodiophilic Na3Bi-penetration was developed to develop the abundant phase-boundary ionic transport channels, and the obtained anode was endowed with a high current density (up to 5 mA∙cm−2).
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