ナトリウムイオン電池の超長サイクル寿命アノードとして共有三環系骨格を容易に構築する
Ying Huang1, Suping Chen1, Tao Yang1
1School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, P. R. China. xuxijun2022@gdut.edu.cn.
Abstract:
A covalent triazine framework (CTF) was synthesized via a typical solution synthesis route and applied as an anode for sodium-ion batteries (SIBs). The extended conjugate structure of CTF not only endows structural stability and limited solubility, but also improves electronic conductivity and offers numerous active sites. Meanwhile, the CTF displays a Na+ storage capacity of 82.6 mAh g-1 after 9000 cycles at 2.0 A g-1, indicating a superior long-term cycling stability. The Na3V2(PO4)3//CTF full cell demonstrates a capacity of 57.6 mAh g-1 after 1500 cycles at 1.0 A g-1.
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