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T-Nb2 O5 /C Nanofibers Prepared through Electrospinning with Prolonged Cycle Durability for High-Rate Sodium-Ion Batteries Induced by Pseudocapacitance.
Small 2017; 13(46)S

Abstract

Homogeneous ultrasmall T-Nb2 O5 nanocrystallites encapsulated in 1D carbon nanofibers (T-Nb2 O5 /CNFs) are prepared through electrospinning followed by subsequent pyrolysis treatment. In a Na half-cell configuration, the obtained T-Nb2 O5 /CNFs with the merits of unique microstructures and inherent pseudocapacitance, deliver a stable capacity of 150 mAh g-1 at 1 A g-1 over 5000 cycles. Even at an ultrahigh charge-discharge rate of 8 A g-1 , a high reversible capacity of 97 mAh g-1 is still achieved. By means of kinetic analysis, it is demonstrated that the larger ratio of surface Faradaic reactions of Nb2 O5 at high rates is the major factor to achieve excellent rate performance. The prolonged cycle durability and excellent rate performance endows T-Nb2 O5 /CNFs with potentials as anode materials for sodium-ion batteries.

Authors+Show Affiliations

School of Materials Science and Engineering, National Institute for Advanced Materials, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China.School of Materials Science and Engineering, National Institute for Advanced Materials, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China.School of Materials Science and Engineering, National Institute for Advanced Materials, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China.School of Materials Science and Engineering, National Institute for Advanced Materials, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China.School of Materials Science and Engineering, National Institute for Advanced Materials, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China.School of Materials Science and Engineering, National Institute for Advanced Materials, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China.School of Materials Science and Engineering, National Institute for Advanced Materials, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

29024477

Citation

Yang, Leping, et al. "T-Nb2 O5 /C Nanofibers Prepared Through Electrospinning With Prolonged Cycle Durability for High-Rate Sodium-Ion Batteries Induced By Pseudocapacitance." Small (Weinheim an Der Bergstrasse, Germany), vol. 13, no. 46, 2017.
Yang L, Zhu YE, Sheng J, et al. T-Nb2 O5 /C Nanofibers Prepared through Electrospinning with Prolonged Cycle Durability for High-Rate Sodium-Ion Batteries Induced by Pseudocapacitance. Small. 2017;13(46).
Yang, L., Zhu, Y. E., Sheng, J., Li, F., Tang, B., Zhang, Y., & Zhou, Z. (2017). T-Nb2 O5 /C Nanofibers Prepared through Electrospinning with Prolonged Cycle Durability for High-Rate Sodium-Ion Batteries Induced by Pseudocapacitance. Small (Weinheim an Der Bergstrasse, Germany), 13(46), doi:10.1002/smll.201702588.
Yang L, et al. T-Nb2 O5 /C Nanofibers Prepared Through Electrospinning With Prolonged Cycle Durability for High-Rate Sodium-Ion Batteries Induced By Pseudocapacitance. Small. 2017;13(46) PubMed PMID: 29024477.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - T-Nb2 O5 /C Nanofibers Prepared through Electrospinning with Prolonged Cycle Durability for High-Rate Sodium-Ion Batteries Induced by Pseudocapacitance. AU - Yang,Leping, AU - Zhu,Yuan-En, AU - Sheng,Jian, AU - Li,Feng, AU - Tang,Bin, AU - Zhang,Yue, AU - Zhou,Zhen, Y1 - 2017/10/12/ PY - 2017/07/27/received PY - 2017/08/27/revised PY - 2017/10/13/pubmed PY - 2017/10/13/medline PY - 2017/10/13/entrez KW - Nb2O5 KW - anode KW - electrospinning KW - pseudocapacitance KW - sodium-ion batteries JF - Small (Weinheim an der Bergstrasse, Germany) JO - Small VL - 13 IS - 46 N2 - Homogeneous ultrasmall T-Nb2 O5 nanocrystallites encapsulated in 1D carbon nanofibers (T-Nb2 O5 /CNFs) are prepared through electrospinning followed by subsequent pyrolysis treatment. In a Na half-cell configuration, the obtained T-Nb2 O5 /CNFs with the merits of unique microstructures and inherent pseudocapacitance, deliver a stable capacity of 150 mAh g-1 at 1 A g-1 over 5000 cycles. Even at an ultrahigh charge-discharge rate of 8 A g-1 , a high reversible capacity of 97 mAh g-1 is still achieved. By means of kinetic analysis, it is demonstrated that the larger ratio of surface Faradaic reactions of Nb2 O5 at high rates is the major factor to achieve excellent rate performance. The prolonged cycle durability and excellent rate performance endows T-Nb2 O5 /CNFs with potentials as anode materials for sodium-ion batteries. SN - 1613-6829 UR - https://www.unboundmedicine.com/medline/citation/29024477/T_Nb2_O5_/C_Nanofibers_Prepared_through_Electrospinning_with_Prolonged_Cycle_Durability_for_High_Rate_Sodium_Ion_Batteries_Induced_by_Pseudocapacitance_ L2 - https://doi.org/10.1002/smll.201702588 DB - PRIME DP - Unbound Medicine ER -