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NiO/Carbon Aerogel Microspheres with Plum-Pudding Structure as Anode Materials for Lithium Ion Batteries

Department of Materials Engineering, Taizhou University, Taizhou 318000, China
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Materials 2020, 13(10), 2363; https://doi.org/10.3390/ma13102363
Received: 9 April 2020 / Revised: 19 May 2020 / Accepted: 20 May 2020 / Published: 21 May 2020
To enhance the electrochemical performance of nickel oxide as anode materials for lithium ion batteries, NiO/carbon aerogel microspheres with a plum-pudding structure were designed and prepared by a sol-gel technique followed by two calcination processes under different atmospheres. Carbon aerogel microspheres (pudding) can act as a buffering and conductive matrix to enhance the structural stability and conductivity of the embedded NiO particles (plums), which are quite advantageous to the cycling performance and rate capability. Consequently, NiO/carbon aerogel microspheres with a plum-pudding structure deliver an initial charge capacity of 808 mAh g−1 and a reversible capacity retention of 85% after 100 cycles. The enhancement in electrochemical performance relative to pure NiO microspheres suggests that the design of a plum-pudding structure is quite effective. View Full-Text
Keywords: nickel oxide; carbon aerogel; microsphere; lithium-ion battery nickel oxide; carbon aerogel; microsphere; lithium-ion battery
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Guo, R.; Huang, X.; Lin, Y.; Cao, Y. NiO/Carbon Aerogel Microspheres with Plum-Pudding Structure as Anode Materials for Lithium Ion Batteries. Materials 2020, 13, 2363.

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