The construction of highly conductive structures with excellent adsorption–catalytic properties to accelerate electron transfer and suppress polysulfide shuttle is considered as an effective strategy to achieve well-...The construction of highly conductive structures with excellent adsorption–catalytic properties to accelerate electron transfer and suppress polysulfide shuttle is considered as an effective strategy to achieve well-performing sodium–sulfur batteries.Herein,a self-supported tessellated N-doped carbon/CoSe_(2)(NCCS)is developed as a sulfur host for sodium–sulfur batteries by a simple deposition–selenization of lyophilized bacterial cellulose(BC),where NC acts as a conductive network to ensure the rapid initiation of efficient catalytic reactions at the tessellated CoSe_(2)interface and maintain good structural stability.展开更多
基金the National Natural Science Foundation of China(No.22005251,No.21773188,and No.21972111)the Chongqing Natural Science Foundation(cstc2021ycjh-bgzxm0164)the Central Universities Fundamental Research Funds(XDJK2019AA002).
文摘The construction of highly conductive structures with excellent adsorption–catalytic properties to accelerate electron transfer and suppress polysulfide shuttle is considered as an effective strategy to achieve well-performing sodium–sulfur batteries.Herein,a self-supported tessellated N-doped carbon/CoSe_(2)(NCCS)is developed as a sulfur host for sodium–sulfur batteries by a simple deposition–selenization of lyophilized bacterial cellulose(BC),where NC acts as a conductive network to ensure the rapid initiation of efficient catalytic reactions at the tessellated CoSe_(2)interface and maintain good structural stability.