Wu Mingguang, Ni Wei, Hu Jin, Ma Jianmin
School of Physics and Electronics, Hunan University, Changsha, 410082, People's Republic of China.
Faculty of Technology, University of Oulu, 90014, Oulu, Finland.
Nanomicro Lett. 2019 May 25;11(1):44. doi: 10.1007/s40820-019-0273-1.
Several emerging energy storage technologies and systems have been demonstrated that feature low cost, high rate capability, and durability for potential use in large-scale grid and high-power applications. Owing to its outstanding ion conductivity, ultrafast Na-ion insertion kinetics, excellent structural stability, and large theoretical capacity, the sodium superionic conductor (NASICON)-structured insertion material NaTi(PO) (NTP) has attracted considerable attention as the optimal electrode material for sodium-ion batteries (SIBs) and Na-ion hybrid capacitors (NHCs). On the basis of recent studies, NaTi(PO) has raised the rate capabilities, cycling stability, and mass loading of rechargeable SIBs and NHCs to commercially acceptable levels. In this comprehensive review, starting with the structures and electrochemical properties of NTP, we present recent progress in the application of NTP to SIBs, including non-aqueous batteries, aqueous batteries, aqueous batteries with desalination, and sodium-ion hybrid capacitors. After a thorough discussion of the unique NASICON structure of NTP, various strategies for improving the performance of NTP electrode have been presented and summarized in detail. Further, the major challenges and perspectives regarding the prospects for the use of NTP-based electrodes in energy storage systems have also been summarized to offer a guideline for further improving the performance of NTP-based electrodes.
已经证明了几种新兴的储能技术和系统，其具有低成本、高倍率性能和耐久性，可用于大规模电网和高功率应用。由于其出色的离子导电性、超快的钠离子嵌入动力学、优异的结构稳定性和大的理论容量，钠超离子导体（NASICON）结构的嵌入材料NaTi(PO)（NTP）作为钠离子电池（SIBs）和钠离子混合电容器（NHCs）的最佳电极材料受到了相当大的关注。基于最近的研究，NaTi(PO)已将可充电SIBs和NHCs的倍率性能、循环稳定性和质量负载提高到商业可接受的水平。在这篇综合综述中，我们从NTP的结构和电化学性质开始，介绍了NTP在SIBs中的应用的最新进展，包括非水电池、水系电池、带脱盐功能的水系电池以及钠离子混合电容器。在对NTP独特的NASICON结构进行深入讨论之后，详细介绍并总结了提高NTP电极性能的各种策略。此外，还总结了关于在储能系统中使用基于NTP的电极的前景的主要挑战和展望，以为进一步提高基于NTP的电极的性能提供指导。
