包建春教授課題組和周小四教授課題組合作在ACS APPLIED MATERIALS & INTERFACES發(fā)表研究論文
Hierarchical Nanospheres Constructed by Ultrathin MoS2 Nanosheets Braced on Nitrogen-Doped Carbon Polyhedra for Efficient Lithium and Sodium Storage
Tu, FZ (Tu, Fengzhang)[ 1,2 ] ; Han, Y (Han, Yu)[ 1 ] ; Du, YC (Du, Yichen)[ 1 ] ; Ge, XF (Ge, Xufang)[ 1 ] ; Weng, WS (Weng, Wangsuo)[ 1 ] ; Zhou, XS (Zhou, Xiaosi)[ 1 ]*（周小四）; Bao, JC (Bao, Jianchun)[ 1 ]*（包建春）
[ 1 ] Nanjing Normal Univ, Jiangsu Key Lab New Power Batteries, Jiangsu Collaborat Innovat Ctr Biomed Funct Mat, Sch Chem & Mat Sci, Nanjing 210023, Jiangsu, Peoples R China
[ 2 ] Longyan Univ, Fujian Prov Key Lab Clean Energy Mat, Coll Chem & Mat Sci, Longyan 364012, Peoples R China
ACS APPLIED MATERIALS & INTERFACES，201901,11(2), 2112-2119
MoS2 has attracted a lot of attention for electrochemical energy storage. Herein, we design and fabricate unusual hierarchical composite nanospheres by cultivating a MoS2 sheet-like nanostructure on nitrogen-doped carbon polyhedra (designated as CP@MoS2 nano spheres). The nitrogen-doped carbon polyhedra are able to significantly boost the electrical conductivity of the hybrid architecture and largely mitigate the agglomeration of the MoS2 nanostructure. The sheet-like MoS2 nanostructure can render a great deal of storage sites toward lithium and sodium. When measured as a negative electrode for Li storage, these CP@MoS2 nanospheres manifest a large charge capacity of approximately 549 mAh g(-1), a superior cycle life of 900 cycles, and excellent rate property. Furthermore, they also demonstrate improved electrochemical activity for Na+ ion storage.
文章鏈接：
https://pubs.acs.org.ccindex.cn/doi/10.1021/acsami.8b19662
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