河北师范大学学报—

期刊信息

刊名：河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
主办：河北师范大学
ISSN： 1000-5854
CN： 13-1061/N
中国科技核心期刊
中国期刊方阵入选期刊
中国高校优秀科技期刊
华北优秀期刊
河北省优秀科技期刊

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微波辅助水热合成高容量钼酸铋负极性能研究

（河北师范大学化学与材料科学学院,河北省无机纳米材料重点实验室,河北石家庄 050024）
DOI： 10.13763/j.cnki.jhebnu.nse.202303001

Performance of High Capacity Bi₂MoO₆ Anode Prepared by Microwave-assisted Hydrothermal Synthesis

HAO Xiaopeng,ZHANG Lingjun,ZHOU Lu,WU Na

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摘要/Abstract

摘要：

通过水热合成法及微波辅助水热法制备出层状钼酸铋锂离子电池负极材料,利用X射线衍射、扫描电子显微镜、循环伏安及交流阻抗测试等对样品进行了形貌表征及电化学性能测试,并考察了其在电池中的循环稳定性. 相比水热法,微波辅助水热法合成的钼酸铋电荷转移电阻减小且容量提升,在电流密度为15 mA/g时容量可达674 mAh/g,且循环后库仑效率接近90 %.

Abstract：

The layered bismuth molybdate lithium-ion battery anode material was prepared by hydrothermal synthesis and microwave-assisted hydrothermal method. The morphology and electrochemical performance of samples were characterized by X-ray diffraction, scanning electron microscope,cyclic voltammetry,and AC impedance test. The cycle stability of the sample in the battery was investigated. Compared with the hydrothermal method,the charge transfer resistance of bismuth molybdate synthesized by the microwave-assisted hydrothermal method is reduced,but the capacity is increased,reaching 674 mAh/g at a current density of 15 mA/g,and the coulombic efficiency after cycling is close to 90 %.

关键词

关键词： 锂离子电池 ; 负极材料 ; 钼酸铋 ; 微波辅助水热合成法

Key words： lithium-ion battery ; anode material ; bismuth molybdate ; microwave-assisted hydrothermal synthesis

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