Sponge-like NiCo2O4/MnO2 ultrathin nanoflakes for supercapacitor with high-rate performance and ultra-long cycle life
2014 ◽
Vol 2
(21)
◽
pp. 7738-7741
◽
Keyword(s):
We present a simple strategy for synthesis of sponge-like NiCo2O4/MnO2 ultrathin nanoflakes which exhibit a high specific capacitance of 935 F g−1 at 1 A g−1, excellent rate performance (700 F g-1 at 50 A g−1), and ultra-long cycling stability (103.1% of the initial value after 25 000 cycles).