吉林大学学报（理学版）Issue(4)：802-806,5.DOI:10.13413/j.cnki.jdxblxb.2014.04.33
咖啡渣制备多孔碳材料及其在锂离子电池上的应用
Preparation of Porous Carbon Material from Coffee Grounds and Its Application to Lithium Ion Batteries
摘要
Abstract
An easy carbonization and activation approach was employed to synthesize porous carbon material with coffee grounds as carbon source.X-ray diffraction (XRD),Raman spectroscopy,and scanning electron microscopy (SEM)show that the prepared material possesses a disordered structure with a relatively high graphitization degree.The existence of mesopores was confirmed by the nitrogen adsorption/desorption isotherms as well as the pore size distribution curve.At a mass current density of 0.1 A/g,the initial discharge and charge capacities of the prepared material can reach as high as 1 029 and 461 mA·h/g,respectively,much higher than the theoretical capacity of graphite (372 mA·h/g).关键词
锂离子电池/负极材料/多孔碳/生物质/咖啡渣Key words
lithium ion battery/anode material/porous carbon/biomass/coffee grounds分类
数理科学引用本文复制引用
田文卿,吴雪艳,魏霄..咖啡渣制备多孔碳材料及其在锂离子电池上的应用[J].吉林大学学报（理学版）,2014,(4):802-806,5.基金项目
国家自然科学基金(批准号:21301117) （批准号:21301117）
