Journal
MATERIALS RESEARCH EXPRESS
Volume 7, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/ab67fb
Keywords
LiNi0.8Co0.15Al0.05O2; electrospinning; cycle stabilit; energy storage and conversion; functional
Categories
Funding
- foundation of Henan Provincial Natural Science Foundation [162300410315]
- foundation of Henan Provincial science and technology research [182102210163]
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A ropelike LiNi0.8Co0.15Al0.05O2 (NCA) fiber with superior rate capability and cycling stability was successfully synthesized via electrospinning and sintering as a cathode material for Li-ion batteries. The NCA fiber that exhibited excellent electrochemical performance as a cathode for Li-ion batteries was stacked and assembled from numerous nanoparticles. The NCA fiber delivered a high reversible capacity of 206.4 mAh g(-1) at 0.1 C, and maintained 75% capacity retention after 100 cycles at 1 C. The high rate capability and outstanding cyclic stability were due to the ropelike fiber structure that shorten the Li+ diffusion path, improved the Li+ diffusion coefficient, and maintained the fiber structure during cycling.
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