MoS_2 decorated lignin-derived hierarchical mesoporous carbon hybrid nanospheres with exceptional Li-ion battery cycle stability

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英文篇名：MoS_2 decorated lignin-derived hierarchical mesoporous carbon hybrid nanospheres with exceptional Li-ion battery cycle stability 作者：Feng ; Chen ; Long ; Wu ; Zeping ; Zhou ; Jiajun ; Ju ; Zhengping ; Zhao ; Mingqiang ; Zhong ; Tairong ; Kuang 英文作者：Feng Chen;Long Wu;Zeping Zhou;Jiajun Ju;Zhengping Zhao;Mingqiang Zhong;Tairong Kuang;College of Material Science and Engineering, Zhejiang University of Technology;The Key Laboratory of Polymer Processing Engineering of Ministry of Education, South China University of Technology;Zhijiang College, Zhejiang University of Technology; 英文关键词：Lignin;;MoS_2;;Porous carbon nanosphere;;Electrochemical performance;;Excellent cycle stability 中文刊名：FXKB 英文刊名：中国化学快报(英文版) 机构：College of Material Science and Engineering, Zhejiang University of Technology;The Key Laboratory of Polymer Processing Engineering of Ministry of Education, South China University of Technology;Zhijiang College, Zhejiang University of Technology; 出版日期：2019-01-15 出版单位：Chinese Chemical Letters 年：2019 期：v.30 基金：the financial support of National Natural Science Foundation of China (No. 51803062);; National Natural Science Foundation of Guangdong Province (No. 2018A030310379);; National Postdoctoral Program for Innovation Talents (No. BX201700079);; China Postdoctoral Science Foundation Funded Project (No. 2017M620371);; and Foundation for Distinguished Young Talents in Higher Education of Guangdong Province (No. 2017KQNCX001);; F. Chen thanks the financialsupport of Natural Science Foundation of China (No. 51673175);; Natural Science Foundation of Zhejiang Province (Nos. LY16E030012, LY17E030006 and LY18E030009) 语种：英文; 页：FXKB201901045 页数：6 CN：01 ISSN：11-2710/O6 分类号：217-222

摘要

Lignin is the most abundant and important macromolecule in organic matter and its yield is second only to cellulose. Lignin is abundant in source, low in price, and has a large number of active groups such as methoxy group and carboxyl group, so it has great utilization value. We used lignin as a carbon source to prepare porous carbon nanosphere(PCN) materials, and in-situ synthesized the MoS_ 2 on its surface. The high specific surface area(462.8 m~2/g), large pore volume and good electron conductivity of the porous carbon scaffold facilitated the reversible electro-chemical reaction of S towards metallic Li, and thus the nano-hybrid showed a high specific energy and excellent cycle stability which still remained 520m Ah/g after 50 cycles.
        Lignin is the most abundant and important macromolecule in organic matter and its yield is second only to cellulose. Lignin is abundant in source, low in price, and has a large number of active groups such as methoxy group and carboxyl group, so it has great utilization value. We used lignin as a carbon source to prepare porous carbon nanosphere(PCN) materials, and in-situ synthesized the MoS_ 2 on its surface. The high specific surface area(462.8 m~2/g), large pore volume and good electron conductivity of the porous carbon scaffold facilitated the reversible electro-chemical reaction of S towards metallic Li, and thus the nano-hybrid showed a high specific energy and excellent cycle stability which still remained 520m Ah/g after 50 cycles.

引文

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