β-Co（OH）2 and Mg（OH）2 nanoplates were synthesized via a facile template-free hydrothermal approach.The different conditions of preparation and catalytic properties of the products were studied and discussed.The p...β-Co（OH）2 and Mg（OH）2 nanoplates were synthesized via a facile template-free hydrothermal approach.The different conditions of preparation and catalytic properties of the products were studied and discussed.The products were characterized by X-ray diffraction,transmission electron microscopy,scanning electron microscopy,selected area electron diffraction（SAED）,and gas chromatograph.展开更多
氢氧化镍是碱性蓄电池的正极活性物质,为了改善镍系列电池的性能,合成了掺杂α Ni(OH)2,它具有较高的放电平台,且放电曲线平坦,放电容量高,在碱性溶液中结构稳定。对它进行了电极性能研究。通过循环伏安法,结合Ran dle Sevick方程,得出...氢氧化镍是碱性蓄电池的正极活性物质,为了改善镍系列电池的性能,合成了掺杂α Ni(OH)2,它具有较高的放电平台,且放电曲线平坦,放电容量高,在碱性溶液中结构稳定。对它进行了电极性能研究。通过循环伏安法,结合Ran dle Sevick方程,得出了质子扩散系数为2.35×10-10cm2/s;通过交流阻抗法发现它由电化学极化阻抗和Warburg阻抗组成。展开更多
基金Supported by the National Natural Science Foundation of China(Nos.20331010,20671011,90406024and90406002)the 111 Project(No.B07012)the Key Laboratory of Structural Chemistry Foundation(No.060017).
文摘β-Co（OH）2 and Mg（OH）2 nanoplates were synthesized via a facile template-free hydrothermal approach.The different conditions of preparation and catalytic properties of the products were studied and discussed.The products were characterized by X-ray diffraction,transmission electron microscopy,scanning electron microscopy,selected area electron diffraction（SAED）,and gas chromatograph.
文摘氢氧化镍是碱性蓄电池的正极活性物质,为了改善镍系列电池的性能,合成了掺杂α Ni(OH)2,它具有较高的放电平台,且放电曲线平坦,放电容量高,在碱性溶液中结构稳定。对它进行了电极性能研究。通过循环伏安法,结合Ran dle Sevick方程,得出了质子扩散系数为2.35×10-10cm2/s;通过交流阻抗法发现它由电化学极化阻抗和Warburg阻抗组成。
