全NASICON结构材料实现的基于钠离子的高压全固态电池
High-Voltage All-Solid-State Na-Ion-Based Full Cells Enabled by All NASICON-Structured Materials.
作者信息
Sun Hua-Bin, Guo Jin-Zhi, Zhang Yi, Wei Tao, Zhou Ying-Xian, Zhang Lu-Lu, Wu Xing-Long, Huang Yunhui, Luo Wei
机构信息
Institute of New Energy for Vehicles, School of Materials Science and Engineering , Tongji University , Shanghai 201804 , China.
Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, National and Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry , Northeast Normal University , Changchun , Jilin 130024 , China.
出版信息
ACS Appl Mater Interfaces. 2019 Jul 10;11(27):24192-24197. doi: 10.1021/acsami.9b07647. Epub 2019 Jun 26.
Na super ionic conductor (NASICON)-structured materials have evolved to play many critical roles in battery systems because of their three-dimensional framework structures. Here, by coupling NASICON-structured NaV(PO)OF cathodes and NaV(PO) anodes, an asymmetric Na-ion-based full cell exhibits two flat voltage plateaus at about 2.3 and 1.9 V and a high capacity of 101 mA h/g. Moreover, an all-solid-state Na-ion battery has been further enabled by the concept of using all NASICON-structured materials, including cathodes, anodes, and electrolytes (NaYSiO), which delivers a high output voltage. Importantly, the full cell displays high safety without using a flammable organic liquid electrolyte and superior structure stability with all NASICON-structured materials.
由于其三维骨架结构，钠超离子导体（NASICON）结构材料已在电池系统中发挥着许多关键作用。在此，通过将NASICON结构的NaV(PO)OF阴极与NaV(PO)阳极耦合，一种基于不对称钠离子的全电池在约2.3 V和1.9 V处呈现出两个平坦的电压平台，且具有101 mA h/g的高容量。此外，通过使用包括阴极、阳极和电解质（NaYSiO）在内的所有NASICON结构材料的概念，进一步实现了全固态钠离子电池，其输出电压较高。重要的是，该全电池在不使用易燃有机液体电解质的情况下显示出高安全性，并且与所有NASICON结构材料具有优异的结构稳定性。
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