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[1]聂薇ab,田丰ab,袁志强ab,等.稻壳基多孔硬碳的制备及其储钠性能[J].有色金属科学与工程,2019,(05):85-90.[doi:10.13264/j.cnki.ysjskx.2019.05.013]
 NIE Weiab,TIAN Fengab,YUAN Zhiqiangab,et al.Preparation and sodium-storing property of rice husk-based porous hard carbon[J].,2019,(05):85-90.[doi:10.13264/j.cnki.ysjskx.2019.05.013]
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稻壳基多孔硬碳的制备及其储钠性能(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2019年05期
页码:
85-90
栏目:
出版日期:
2019-09-20

文章信息/Info

Title:
Preparation and sodium-storing property of rice husk-based porous hard carbon
文章编号:
1674-9669(2019)05-0085-06
作者:
聂薇1a1b 田丰1a1b 袁志强1a1b 许家敏1a1b 刘小林1a1b 陈林芳2 钟盛文1a1b
(1.江西理工大学,a.材料冶金化学学部; b.江西省动力电池及其材料重点实验室,江西 赣州 341000;2. 江西铃格有色金属加工有限公司赣州分公司,江西 赣州 314000)
Author(s):
NIE Wei1a1b TIAN Feng1a1b YUAN Zhiqiang1a1b XU Jiamin1a1b LIU Xiaolin1a1b CHEN Linfang2 ZHONG Shengwen1a1b
(1a. Faculty of Materials Metallurgy and Chemistry; 1b. Jiangxi Key Laboratory of Power Battery and Materials,Jiangxi University of Science and Technology, Ganzhou 341000, China; 2. Jiangxi Ling-Ge Non-ferrous Metal Processing Co., Ltd., Ganzhou 341000, C
关键词:
稻壳氢氧化钾水热法电化学性能
分类号:
TF111.52;TM912.2
DOI:
10.13264/j.cnki.ysjskx.2019.05.013
文献标志码:
A
摘要:
用稻壳做原料,不同浓度的氢氧化钾溶液做活化剂,采用水热法制备钠离子电池硬碳负极材料. 利用X射线衍射(XRD)、扫描电子显微镜(SEM)、比表面积测试系统(BET)和电池性能测试系统,对其结构 、形貌和电化学性能进行表征. 研究结果表明,用2 mol/L浓度的氢氧化钾做活化剂制备的多孔碳材料(RHPC-1-2)具有37.633 6 m2/g的高比面积且存在大量的微孔和中孔. RHPC-1-2材料具有高的可逆比容量为285 mAh/g和初始库仑效率为72%. RHPC-1-2材料表现出优异的循环性能,在100 mA/g电流密度下,首次循环放电比容量为204 mAh/g,循环100次后容量仍有200 mAh/g,容量几乎没有衰减. RHPC-1-2材料也表现出优异的倍率性能, 在25 mA/g、50 mA/g、100 mA/g、200 mA/g和500 mA/g电流密度下放电比容量分别是265 mAh/g、247 mAh/g、213 mAh/g、170 mAh/g和112 mAh/g,当电流密度又是25 mA/g时,RHPC-1-2材料的放电比容量几乎没有下降.

参考文献/References:

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相似文献/References:

[1]聂薇a,b,田丰a,等.稻壳基多孔硬碳的制备及其储钠性能研究[J].有色金属科学与工程,2019,(05):10.

备注/Memo

备注/Memo:
收稿日期:2019-04-19
基金项目:国家自然科学基金面上项目(51874151);江西理工大学科研基金资助项目(NSFJ2014-G13,Jxxjbs12005);江西省教育厅科技资助项目(GJJ150671)
通信作者:刘小林(1983- ),男,博士,副教授,主要从事锂/钠离子电池材料方面的研究,E-mail:liuxiaolin2012@126.com.
更新日期/Last Update: 2019-10-22