磷化锡/氮掺杂碳复合材料的简单制备及储锂性能研究——推荐一个综合化学实验

doi:10.3866/PKU.DXHX202102027

Abstract

Abstract:

In this paper, the experimental process including fabrication, characterization and electrochemical measurements of the composites is believed to be helpful for students to understand the connections between the knowledge of the fundamental chemistry, enhance laboratory skills and improve the innovation mind and comprehensive capability. In addition, students could also be aware of the electrochemical energy-storage frontiers, stimulating their research interest and scientific research ability. Hence, this experiment is appropriate for the comprehensive chemical laboratory curriculum of junior students majored in chemistry and applied chemistry.

Key words: Tin phosphide, Composite, Li-ion capacitor, Comprehensive chemical experiment

Xuliang Fan, Limei Xu, Lin Ma. Easy Preparation of Tin Phosphide/Ntrogen-Doped Carbon Matrix for Electrochemical Li-Storage: A Recommended Comprehensive Chemical Experiment[J].University Chemistry, 2021, 36(12): 2102027.

Figures/Tables 5

References 9

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实验单元	具体内容	课时
第一单元	介绍磷化锡/氮掺杂碳复合材料的研究现状，讲解图书馆数字资源库的使用方法及目前国内、国际相关主流学术期刊的分类，帮助学生自主开展详细的背景调查	2
第二单元	听取学生的背景调查报告，给学生讲解详细的复合材料制备过程；学生完成硫酸亚锡、尿素、柠檬酸以及氯化钠原料的溶液法混合冷冻	2
第三单元	介绍冷冻干燥机及管式炉的使用；学生完成冷冻样品的干燥及高温煅烧和磷化过程，完成复合材料的制备过程	2
第四单元	讲解X射线衍射仪、扫描电子显微镜等大型科研仪器的相关原理，并带领学生观摩相关测试表征的详细操作流程	2
第五单元	介绍电极的扣式电容器的组装及电极的制备流程；学生完成正、负极活性材料的浆料配制及刮涂，置入烘箱干燥12 h	2
第六单元	演示手套箱的使用流程及扣式电容器的组装过程；学生完成扣式电容的组装	2
第七单元	讲解循环伏安及恒流充放电测试的相关原理及电化学工作站和蓝电电池测试系统的使用方法；学生完成扣式电容器的电化学性能测试	2
第八单元	讲解数据处理及实验报告撰写要求；学生完成实验报告的撰写	2

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Easy Preparation of Tin Phosphide/Ntrogen-Doped Carbon Matrix for Electrochemical Li-Storage: A Recommended Comprehensive Chemical Experiment

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