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| 1 | Templated synthesis of spinel cobaltite MCo_(2)O_(4) (M¼Ni, Co and Mn) hierarchical nanofibers for high performance supercapacitors显示文摘Rational construction of transitional metal oxides electrode materials with suitable structure and composition is an effective strategy of improving their electrochemical performance.Herein,novel MCo_(2)O_(4) hierarchical nanofibers(H-MCo_(2)O_(4)NFs,M¼Ni,Co and Mn)were fabricated by a multi-step selftemplating method using electrospun nanofibers as precursors.Benefiting from the unique structure,such as numerous of vertically interlinked nanosheets on the surface and 1D interwoven nanofibers networks,the obtained HeNiCo_(2)O_(4)NFs electrode exhibits a high specific capacitance of 1750 F g1(At a current density of 0.5 A g1),good rate capability(Capacitance retention of 70%at 20 A g1),and outstanding cycling stability(Capacitance retention of 92%after 6000 cycles).Moreover,the solid-state hybrid supercapacitor assembled by HeNiCo_(2)O_(4)NFs and activated carbon(AC),delivers a high energy density of 38.4 Wh kg1 at a power density of 800 W kg1,and excellent cycling stability.Thus,the HeNiCo_(2)O_(4)NFs is a promising candidate material for supercapacitors electrode and this self-templating method in this work also provides a new path for the preparation of one-dimensional hierarchical metallic oxides. | Xuemin Yin Hejun Li Ruimei Yuan Yameng Jiao Jinhua Lu | 2021 | Journal of Materiomics2021，7，4： | 1 |
| 2 | 具有沉积结构环氧树脂电磁屏蔽材料的制备及表征显示文摘文中首先构筑具有三维结构的四针状氧化锌负载银(Ag@T-ZnO)和二维石墨烯纳米片(GNS)的混杂导电网络,随后灌注环氧树脂固化得到具有沉积结构的Ag@T-ZnO/GNS/EP复合材料,系统研究了Ag@T-ZnO和GNS的配比对复合材料屏蔽效能和力学性能的影响。当Ag@T-ZnO和GNS总质量分数为复合材料的20%且二者质量比为9:1时,二者之间的协同作用及独特的沉积导电网络结构赋予了复合材料优异的屏蔽效能和力学性能,在X波段的平均屏蔽效能可以达到83.8 dB,拉伸性能可达到51.6 MPa。为设计制备兼具优异力学性能和屏蔽性能的复合材料提供了新的思路。 | 廉青松 李言 徐伟杰 陈宏峰 赵贵哲 刘亚青 程珏 | 2022 | 高分子材料科学与工程2022，38，2： | 1 |
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