Based on the biological prototype characteristics of shark’s gill jet orifice,the flexible driving characteristics of ionic exchange polymer metal composites(IPMC)artificial muscle materials and the use of sleeve fle...Based on the biological prototype characteristics of shark’s gill jet orifice,the flexible driving characteristics of ionic exchange polymer metal composites(IPMC)artificial muscle materials and the use of sleeve flexible connector,the IPMC linear driving unit simulation model is built and the IPMC material-driving dynamic control structure of bionic gill unit is developed.Meanwhile,through the stress analysis of bionic gill plate and the motion simulation of bionic gill unit,it is verified that various dynamic control and active control of the jet orifice under the condition of different mainstream field velocities will be taken by using IPMC material-driving.Moreover,the large-deflection deformation of bionic gill plate under dynamic pressure and the comparative analysis with that of a rigid gill plate is studied,leading to the achievement of approximate revised modifier from real value to theoretical value of the displacement control of IPMC.展开更多
通过化学还原的方法制备得到S-Ni复合材料,在常温条件下,采用抗坏血酸对石墨烯进行还原氧化后,对制备所得S-Ni复合材料进行包覆,得到复合材料RGO@S-Ni,进而形成一种可抑制穿梭效应的石墨烯包覆结构。对制备所得复合材料微观图像进行计...通过化学还原的方法制备得到S-Ni复合材料,在常温条件下,采用抗坏血酸对石墨烯进行还原氧化后,对制备所得S-Ni复合材料进行包覆,得到复合材料RGO@S-Ni,进而形成一种可抑制穿梭效应的石墨烯包覆结构。对制备所得复合材料微观图像进行计算机分析,当复合材料在1.5~3.0 V、0.2 m A/cm^2的电流密度下充放电时,其比容量为886.106 m Ah/g,第200次循环时比容量为673.254 m Ah/g,容量保持率约为75.98%。展开更多
基金Project(51275102)supported by the National Natural Science Foundation of ChinaProject(HEUCF140713)supported by the Fundamental Research Funds for the Central Universities,China
文摘Based on the biological prototype characteristics of shark’s gill jet orifice,the flexible driving characteristics of ionic exchange polymer metal composites(IPMC)artificial muscle materials and the use of sleeve flexible connector,the IPMC linear driving unit simulation model is built and the IPMC material-driving dynamic control structure of bionic gill unit is developed.Meanwhile,through the stress analysis of bionic gill plate and the motion simulation of bionic gill unit,it is verified that various dynamic control and active control of the jet orifice under the condition of different mainstream field velocities will be taken by using IPMC material-driving.Moreover,the large-deflection deformation of bionic gill plate under dynamic pressure and the comparative analysis with that of a rigid gill plate is studied,leading to the achievement of approximate revised modifier from real value to theoretical value of the displacement control of IPMC.
文摘通过化学还原的方法制备得到S-Ni复合材料,在常温条件下,采用抗坏血酸对石墨烯进行还原氧化后,对制备所得S-Ni复合材料进行包覆,得到复合材料RGO@S-Ni,进而形成一种可抑制穿梭效应的石墨烯包覆结构。对制备所得复合材料微观图像进行计算机分析,当复合材料在1.5~3.0 V、0.2 m A/cm^2的电流密度下充放电时,其比容量为886.106 m Ah/g,第200次循环时比容量为673.254 m Ah/g,容量保持率约为75.98%。