Résumé
We report a binder-free three-dimensional (3D) macro-mesoporous electrode architecture via self-assembly of 3 nm NiO nanodots on macroporous nickel foam for high performance supercapacitor-like lithium battery. This electrode architecture provides a hierarchically 3D macro-mesoporous electrolyte-filled network that simultaneously enables rapid ion transfer and ultra-short solid-phase ion diffusion. Benefitting from the structural superiority owing to the interconnected porous hierarchy, the electrode exhibits supercapacitor-like high rate capabilities with high lithium battery capacities during the discharge-charge process: a very high capacity of 518 mA h g-1 at an ultrahigh current density of 50 A g-1. It exceeds at least ~10 times than that of the state-of-the-art graphite anode, which shows only ~50 mA h g-1 at ~2 to 3 A g-1 as anode for Li-ion batteries. The preparation method of 3D interconnected hierarchically macro-mesoporous electrode presented here can provide an efficient new binder-free electrode technique towards the development of high-performance supercapacitor-like Li-ion batteries.
| langue | Anglais |
|---|---|
| Pages | 269-277 |
| Nombre de pages | 9 |
| journal | Nano Energy |
| Volume | 22 |
| Les DOIs | |
| état | Publié - 1 avr. 2016 |
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3D interconnected macro-mesoporous electrode with self-assembled NiO nanodots for high-performance supercapacitor-like Li-ion battery. / Zheng, Xianfeng; Wang, Hongen; Wang, Chao; Deng, Zhao; Chen, Lihua; Li, Yu; Hasan, Tawfique; Su, Bao Lian.
Dans: Nano Energy, Vol 22, 01.04.2016, p. 269-277.Résultats de recherche: Contribution à un journal/une revue › Article
TY - JOUR
T1 - 3D interconnected macro-mesoporous electrode with self-assembled NiO nanodots for high-performance supercapacitor-like Li-ion battery
AU - Zheng, Xianfeng
AU - Wang, Hongen
AU - Wang, Chao
AU - Deng, Zhao
AU - Chen, Lihua
AU - Li, Yu
AU - Hasan, Tawfique
AU - Su, Bao Lian
PY - 2016/4/1
Y1 - 2016/4/1
N2 - We report a binder-free three-dimensional (3D) macro-mesoporous electrode architecture via self-assembly of 3 nm NiO nanodots on macroporous nickel foam for high performance supercapacitor-like lithium battery. This electrode architecture provides a hierarchically 3D macro-mesoporous electrolyte-filled network that simultaneously enables rapid ion transfer and ultra-short solid-phase ion diffusion. Benefitting from the structural superiority owing to the interconnected porous hierarchy, the electrode exhibits supercapacitor-like high rate capabilities with high lithium battery capacities during the discharge-charge process: a very high capacity of 518 mA h g-1 at an ultrahigh current density of 50 A g-1. It exceeds at least ~10 times than that of the state-of-the-art graphite anode, which shows only ~50 mA h g-1 at ~2 to 3 A g-1 as anode for Li-ion batteries. The preparation method of 3D interconnected hierarchically macro-mesoporous electrode presented here can provide an efficient new binder-free electrode technique towards the development of high-performance supercapacitor-like Li-ion batteries.
AB - We report a binder-free three-dimensional (3D) macro-mesoporous electrode architecture via self-assembly of 3 nm NiO nanodots on macroporous nickel foam for high performance supercapacitor-like lithium battery. This electrode architecture provides a hierarchically 3D macro-mesoporous electrolyte-filled network that simultaneously enables rapid ion transfer and ultra-short solid-phase ion diffusion. Benefitting from the structural superiority owing to the interconnected porous hierarchy, the electrode exhibits supercapacitor-like high rate capabilities with high lithium battery capacities during the discharge-charge process: a very high capacity of 518 mA h g-1 at an ultrahigh current density of 50 A g-1. It exceeds at least ~10 times than that of the state-of-the-art graphite anode, which shows only ~50 mA h g-1 at ~2 to 3 A g-1 as anode for Li-ion batteries. The preparation method of 3D interconnected hierarchically macro-mesoporous electrode presented here can provide an efficient new binder-free electrode technique towards the development of high-performance supercapacitor-like Li-ion batteries.
KW - Lithium-ion battery
KW - Nanodots
KW - NiO
KW - Self-assembly
KW - Supercapacitor
UR - http://www.scopus.com/inward/record.url?scp=84959172390&partnerID=8YFLogxK
U2 - 10.1016/j.nanoen.2016.02.017
DO - 10.1016/j.nanoen.2016.02.017
M3 - Article
VL - 22
SP - 269
EP - 277
JO - Nano Energy
T2 - Nano Energy
JF - Nano Energy
SN - 2211-2855
ER -