Li ion battery;
Anode;
Nanoporous;
Hard carbon;
Microsphere;
SOLID-ELECTROLYTE INTERFACE;
NEGATIVE ELECTRODE;
RAMAN-SPECTROSCOPY;
ELECTROCHEMICAL PERFORMANCE;
SURFACE-AREA;
GRAPHITE;
CAPACITY;
SPHERULES;
INSERTION;
GRAPHENE;
D O I:
10.1016/j.electacta.2016.03.028
中图分类号:
O646 [电化学、电解、磁化学];
学科分类号:
081704 ;
摘要:
Nanoporous hard carbon microspheres (NHCSs) were prepared by combination of microemulsion and polymerization methods and using phenolic resin (resol) as precursor and ethanol and ethylene glycol (EG) as solvent and soft template, respectively, followed by carbonization process. Using different amounts of EG resulted in NHCSs with different crystalline structure, surface area and pore volumes, and Li ion storage capacity, as evidenced by physical and electrochemical measurements. Higher and lower polymerization rates were also tested on the starting resol solution with composition which led to the NHCS with the highest surface area and Li ion storage capacity. The sample polymerized at higher rate had the highest surface area and pore volume, as well as the best Li ion storage performance in terms of capacity and rate capability. for all of the NHCSs, the specific surface area and Li ion storage capacity were well correlated, and a good correlation was observed between total pore volume and rate capability. Furthermore, acceptable correlations were found between Li ion storage capacity and either surface area or microstructure of the NHCSs. (C) 2016 Elsevier Ltd. All rights reserved.
机构:
International Joint Research Center for Green Energy Chemical Engineering, East China University of Science and Technology, ShanghaiInternational Joint Research Center for Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai
Wang H.
Qin N.
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机构:
Clean Energy Automotive Engineering Center, Tongji University, Shanghai
School of Automotive Studies, Tongji University, ShanghaiInternational Joint Research Center for Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai
Qin N.
Guo X.
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机构:
Clean Energy Automotive Engineering Center, Tongji University, Shanghai
School of Automotive Studies, Tongji University, ShanghaiInternational Joint Research Center for Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai
Guo X.
Zheng J.
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机构:
Clean Energy Automotive Engineering Center, Tongji University, Shanghai
School of Automotive Studies, Tongji University, ShanghaiInternational Joint Research Center for Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai
Zheng J.
Zhao J.
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机构:
International Joint Research Center for Green Energy Chemical Engineering, East China University of Science and Technology, ShanghaiInternational Joint Research Center for Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai
机构:
Korea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South KoreaKorea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South Korea
Kim, Hanvin
Yun, Yongsub
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机构:
Korea Maritime & Ocean Univ, Div Marine Syst Engn, Busan 49112, South KoreaKorea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South Korea
Yun, Yongsub
Lee, Young-Chan
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机构:
Korea Maritime & Ocean Univ, Div Marine Informat Technol, Busan 49112, South KoreaKorea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South Korea
Lee, Young-Chan
Lee, Myeong-Hoon
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机构:
Korea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South KoreaKorea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South Korea
Lee, Myeong-Hoon
Saito, Nagahiro
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机构:
Nagoya Univ, Grad Sch Engn, Nagoya, Aichi 4648603, JapanKorea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South Korea
Saito, Nagahiro
Kang, Jun
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机构:
Korea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South KoreaKorea Maritime & Ocean Univ, Div Marine Engn, Busan 49112, South Korea
机构:
Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R ChinaChinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
Sun, Zixu
Wang, Xinghui
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Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R ChinaChinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
Wang, Xinghui
Cai, Tingwei
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Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R ChinaChinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
Cai, Tingwei
Meng, Zhen
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机构:
Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R ChinaChinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
Meng, Zhen
Han, Wei-Qiang
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机构:
Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R ChinaChinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China