High tap density;
High volumetric-energy-density;
Iron-oxide;
Lithium-ion batteries;
CAPACITY;
D O I:
10.1016/j.mtener.2017.12.007
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Low volumetric-energy-density caused by low tap density of nanomaterial seriously restricts the application of nanomaterial in lithium-ion batteries. Here, to solve this problem, micron-sized Fe2O3 secondary particles (MFSPs) with high tap density (2.8 g cm(-3)) are synthesized via a facile way. As a result, ultrahigh volumetric-energy-density of 1490 mA h cm(-3) is obtained after 100 cycles at C/2 (similar to 500 mA g(-1)). Densely packed structure of MFSPs exhibits well structural stability and electrical conductivity. For the high areal mass loading of 4.02 mg cm(-2), an areal capacity about 3 mA h cm(-2) is achieved. (C) 2017 Elsevier Ltd. All rights reserved.
机构:
Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China
Liu, Qiaoyun
Pang, Chunlei
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机构:
BTR New Energy Mat Inc, R&D Inst, BTR Ind Pk, Shenzhen 518106, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China
Pang, Chunlei
Chen, Weilun
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机构:
Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China
Chen, Weilun
Rao, Zhixiang
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机构:
Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China
Rao, Zhixiang
Lu, Haoqi
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机构:
Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China
Lu, Haoqi
Xue, Lihong
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机构:
Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China
Xue, Lihong
Zhang, Wuxing
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Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China
机构:
Shanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R ChinaShanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R China
Fang, Xiao
Zhu, Guanjia
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机构:
Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R ChinaShanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R China
Zhu, Guanjia
Yuan, Shuai
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机构:
Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R ChinaShanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R China
Yuan, Shuai
Wang, Lingling
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Shanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R ChinaShanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R China
Wang, Lingling
Shi, Liyi
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机构:
Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China
Shanghai Univ, Emerging Ind Inst, Shanghai 314006, Zhejiang, Peoples R ChinaShanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R China
Shi, Liyi
Yu, Wei
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Shanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R ChinaShanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R China
Yu, Wei
Zhang, Haijiao
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机构:
Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R ChinaShanghai Polytech Univ, Sch Energy & Mat, Shanghai 201209, Peoples R China