Layered P2-Na2/3[Ni1/3Mn2/3]O2 as high-voltage cathode for sodium-ion batteries: The capacity decay mechanism and Al2O3 surface modification
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作者:
Liu, Yihang
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Univ Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USAUniv Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
Liu, Yihang
[1
]
Fang, Xin
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Univ Southern Calif, Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USAUniv Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
Fang, Xin
[2
]
Zhang, Anyi
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Univ Southern Calif, Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USAUniv Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
Zhang, Anyi
[2
]
Shen, Chenfei
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Univ Southern Calif, Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USAUniv Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
Shen, Chenfei
[2
]
Liu, Qingzhou
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Univ Southern Calif, Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USAUniv Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
Liu, Qingzhou
[2
]
Enaya, Hani A.
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King Abdulaziz City Sci & Technol, Riyadh, Saudi Arabia
Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
Enaya, Hani A.
[3
,4
]
Zhou, Chongwu
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Univ Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USAUniv Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
Zhou, Chongwu
[1
]
机构:
[1] Univ Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
[2] Univ Southern Calif, Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USA
[3] King Abdulaziz City Sci & Technol, Riyadh, Saudi Arabia
[4] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
Sodium-ion batteries;
High voltage cathode;
Surface coating;
Exfoliation;
P2-Na-2/3[Ni1/3Mn2/3]O-2;
Layered metal oxide cathode;
POSITIVE ELECTRODE;
P2-TYPE;
D O I:
10.1016/j.nanoen.2016.06.026
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:
The P2 type Na-2/3[Ni1/3Mn2/3]O-2 is a high-voltage cathode material for Na-ion batteries with a theoretical capacity of 173 mA h/g and a long operation voltage plateau of 4.2 V. However, the material has exhibited unstable cycling performance within the high-voltage window, which severely limits its application. Moreover, its capacity decay mechanism is still unclear. In this study, we first investigate the difference between as-prepared and after-cycling Na-2/3[Ni1/3Mn2/3]O-2 samples, and then confirmed that the transition metal oxide layer exfoliation associated with the crystal phase transition during Na ion extraction and insertion is the main cause of capacity fading. The Al2O3 coated Na-2/3[Ni1/3Mn2/3]O-2 with enhanced cycling performance was prepared by taking the benefit of Al2O3 coating. The Na-2/3[Ni1/3Mn2/3]O-2 sample without any surface modification presented a 164 mA h/g initial specific discharge capacity within the voltage window from 2.5 V to 4.3 V, and the capacity decayed to 44 mA h/g at the 300th cycle, resulting in only a 26.8% retention. In contrast, the Al2O3-coated Na-2/3[Ni1/3Mn2/3]O-2 presented a similar initial capacity, but with an enhanced 73.2% retention after 300 cycles. The enhanced cycling stability observed in after-cycling characterization and analysis confirms that the Al2O3 surface coating can effectively suppress the unfavorable side reaction at high voltage and the exfoliation of the metal oxide layers. (C) 2016 Elsevier Ltd. All rights reserved.
机构:
Department of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, JapanDepartment of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, Japan
Zhao, Wenwen
Tanaka, Ayaka
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Department of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, JapanDepartment of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, Japan
Tanaka, Ayaka
Tanaka, Akinobu
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Department of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, JapanDepartment of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, Japan
Tanaka, Akinobu
Unno, Masashi
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Department of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, JapanDepartment of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, Japan
Unno, Masashi
Yamamoto, Shinji
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机构:
Nissan Research Center, Nissan Motor Co., Ltd., Natsushima-cho, Yokosuka, Kanagawa 237-8523, JapanDepartment of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, Japan
Yamamoto, Shinji
Noguchi, Hideyuki
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Department of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, JapanDepartment of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Honjo-1, Saga 840-8520, Japan
机构:
Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R ChinaUniv Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
Dang, Rongbin
Li, Qi
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Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R ChinaUniv Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
Li, Qi
Chen, Minmin
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Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R ChinaUniv Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
Chen, Minmin
Hu, Zhongbo
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Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R ChinaUniv Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
Hu, Zhongbo
Xiao, Xiaoling
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Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R ChinaUniv Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
机构:
Fed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, BrazilFed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, Brazil
Bomio, M. R. D.
Lavela, P.
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Univ Cordoba, Inst Univ Quim Fina & Nanoquim, Dept Quim Inorgan & Ingn Quim, Edificio Marie Curie,Campus Rabanales, Cordoba 14071, SpainFed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, Brazil
Lavela, P.
Santiago, A. A. G.
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Fed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, BrazilFed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, Brazil
Santiago, A. A. G.
Motta, F. V.
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Fed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, BrazilFed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, Brazil
Motta, F. V.
Tirado, J. L.
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Univ Cordoba, Inst Univ Quim Fina & Nanoquim, Dept Quim Inorgan & Ingn Quim, Edificio Marie Curie,Campus Rabanales, Cordoba 14071, SpainFed Univ Rio Grande do Norte UFRN, LSQM Lab Chem Synth Mat, Dept Mat Engn, POB 1524, Natal, RN, Brazil