以掺杂碳纳米管的氯化亚铜为正极材料,以镁为负极材料,使用滤纸为隔膜,将正极材料涂覆于浆层纸上,石墨片作为正极的集流体,制成液体激活镁-氯化亚铜纸电池,研究了碳纳米管改性薄膜镁电池。使用计算机控制精密电池测试仪测试并比较了不...以掺杂碳纳米管的氯化亚铜为正极材料,以镁为负极材料,使用滤纸为隔膜,将正极材料涂覆于浆层纸上,石墨片作为正极的集流体,制成液体激活镁-氯化亚铜纸电池,研究了碳纳米管改性薄膜镁电池。使用计算机控制精密电池测试仪测试并比较了不同活化液激活时电池的放电性能,研究结果显示,以绿豆汁为电池激活剂,镁-氯化亚铜电池具有更好的性能。在0.3 m A恒流放电测试时,镁-氯化亚铜电池比容量达到134 m Ah/g,放电时间达到27 h。展开更多
Tetrapod-shaped ZnO whiskers and microrods were synthesized in one crucible by thermal evaporation of Zn/C mixtures at 930 ℃ in air without any catalyst.The digital camera,optical microscopy,scanning electron microsc...Tetrapod-shaped ZnO whiskers and microrods were synthesized in one crucible by thermal evaporation of Zn/C mixtures at 930 ℃ in air without any catalyst.The digital camera,optical microscopy,scanning electron microscopy,energy dispersive X-ray spectroscopy,and X-ray diffraction techniques were used to study the morphologies and crystal structures of these tetrapod-shaped ZnO microcrystals.The results show that these two types of ZnO tetrapods are grown at different heights within the same crucible.The legs of these tetrapod-shaped ZnO crystals are hexagonally faceted.Some tetrapod-shaped ZnO whiskers show hierarchical structures.A short button-like hexagonal ZnO microcrystal is observed at the triple junctions of some tetrapod-shaped ZnO whiskers.The tetrapod-shaped ZnO microrods are capped by two sets of hexagonal pyramids with two different groups of crystal planes for the surfaces.These two types of tetrapod-shaped ZnO microcrystals have different side faces and aspect ratio,which are believed to be the result of their different growth behaviors.The octa-twin model was used to discuss the different growth behaviors of these two types of ZnO tetrapods.The crystal planes of the legs and the pyramids were determined.展开更多
文摘以掺杂碳纳米管的氯化亚铜为正极材料,以镁为负极材料,使用滤纸为隔膜,将正极材料涂覆于浆层纸上,石墨片作为正极的集流体,制成液体激活镁-氯化亚铜纸电池,研究了碳纳米管改性薄膜镁电池。使用计算机控制精密电池测试仪测试并比较了不同活化液激活时电池的放电性能,研究结果显示,以绿豆汁为电池激活剂,镁-氯化亚铜电池具有更好的性能。在0.3 m A恒流放电测试时,镁-氯化亚铜电池比容量达到134 m Ah/g,放电时间达到27 h。
基金Project(0061)supported by the Doctorate Foundation of Nanchang University,ChinaProject(2006015)supported by the Center for Analysis and Testing,Nanchang University,China
文摘Tetrapod-shaped ZnO whiskers and microrods were synthesized in one crucible by thermal evaporation of Zn/C mixtures at 930 ℃ in air without any catalyst.The digital camera,optical microscopy,scanning electron microscopy,energy dispersive X-ray spectroscopy,and X-ray diffraction techniques were used to study the morphologies and crystal structures of these tetrapod-shaped ZnO microcrystals.The results show that these two types of ZnO tetrapods are grown at different heights within the same crucible.The legs of these tetrapod-shaped ZnO crystals are hexagonally faceted.Some tetrapod-shaped ZnO whiskers show hierarchical structures.A short button-like hexagonal ZnO microcrystal is observed at the triple junctions of some tetrapod-shaped ZnO whiskers.The tetrapod-shaped ZnO microrods are capped by two sets of hexagonal pyramids with two different groups of crystal planes for the surfaces.These two types of tetrapod-shaped ZnO microcrystals have different side faces and aspect ratio,which are believed to be the result of their different growth behaviors.The octa-twin model was used to discuss the different growth behaviors of these two types of ZnO tetrapods.The crystal planes of the legs and the pyramids were determined.
