期刊
ADVANCED ENERGY MATERIALS
卷 9, 期 9, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201803052
关键词
anode; flexible electrode; iron sulfide; sodium ion batteries
类别
资金
- National Natural Science Foundation of China [51572005, 51772127, 51772131]
- Major Program of Shandong Province Natural Science Foundation [ZR2018ZB0317]
- Natural Science Doctoral Foundation of Shandong Province [ZR2018BEM018]
- [ts201712050]
Smart construction of ultraflexible electrodes with superior gravimetric and volumetric capacities is still challenging yet significant for sodium ion batteries (SIBS) toward wearable electronic devices. Herein, a hybrid film made of hierarchical Fe1-xS-filled porous carbon nanowires/reduced graphene oxide (Fe1-xS@PCNWs/rGO) is synthesized through a facile assembly and sulfuration strategy. The resultant hybrid paper exhibits high flexibility and structural stability. The multidimensional paper architecture possesses several advantages, including rendering an efficient electron/ion transport network, buffering the volume expansion of Fe1-xS nanoparticles, mitigating the dissolution of polysulfides, and enabling superior kinetics toward efficient sodium storage. When evaluated as a self-supporting anode for SIBs, the Fe1-xS@PCNWs/rGO paper electrode exhibits remarkable reversible capacities of 573-89 mAh g(-1) over 100 consecutive cycles at 0.1 A g(-1) with areal mass loadings of 0.9-11.2 mg cm(-2) and high volumetric capacities of 424-180 mAh cm(-3) in the current density range of 0.2-5 A g(-1). More competitively, a SIB based on this flexible Fe1-xS@PCNWs/rGO anode demonstrates outstanding electrochemical properties, thus highlighting its enormous potential in versatile flexible and wearable applications.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据