CAJ | 학술논문

采用结晶四氯化锡和硫代乙酰胺为原料,乙醇为溶剂,在不同反应物浓度下制备了SnS2粉体.用X射线衍射(XRD),扫描电镜(SEM),循环伏安(CV)和恒电流充放电对其进行研究.结果表明,当反应物浓度降为初始反应浓度的1/3时,制备出的样品为纳米片状六方相晶体结构,在0.01～1.2V间,以0.5C(C=646mA·g-1)的电流对其进行充放电,30次循环后容量仍保持在301mAhg1以上.具有良好的循环稳定性,说明纳米SnS2是一种有希望的锂离子电池负极材料.
채용결정사록화석화류대을선알위원료,을순위용제,재불동반응물농도하제비료SnS2분체.용X사선연사(XRD),소묘전경(SEM),순배복안(CV)화항전류충방전대기진행연구.결과표명,당반응물농도강위초시반응농도적1/3시,제비출적양품위납미편상륙방상정체결구,재0.01～1.2V간,이0.5C(C=646mA·g-1)적전류대기진행충방전,30차순배후용량잉보지재301mAhg1이상.구유량호적순배은정성,설명납미SnS2시일충유희망적리리자전지부겁재료.
SnS2 powders were prepared by solvothermal technology in the solvent of absolute ethanol using stannic chloride hydrated and thioacetamide at different concentrations.The powders were studied by X-ray diffraction(XRD),scanning electron microscopy(SEM),cyclic voltammetry(CV) and constant current charge/discharge measurements.The results showed that the prepared sample with the shape of nano-flake and hexagonal crystal structure,when the reactants concentrations decreased to the 1/3 of the initial,could retai...