| Autor: |
Rehman WU; School of Mathematics, Physics and Optoelectronic Engineering, Hubei University of Automotive Technology, Shiyan 442002, China., Huang H; School of Mathematics, Physics and Optoelectronic Engineering, Hubei University of Automotive Technology, Shiyan 442002, China., Yousaf MZ; School of Electrical and Information Engineering, Hubei University of Automotive Technology, Shiyan 442002, China., Aslam F; School of Electrical and Information Engineering, Hubei University of Automotive Technology, Shiyan 442002, China., Wang X; MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China., Ghani A; Key Laboratory of Advanced Functional Materials and Mesoscopic Physics of Shaanxi Province, School of Physics, Xi'an Jiaotong University, Xi'an 710049, China. |
| Abstrakt: |
With the ever-increasing world population, the energy produced from green, environmentally friendly approaches is in high demand. In this work, we proposed a green and cost-effective strategy for synthesizing a porous carbon electrode decorated with alumina oxide (Al 2 O 3 ) from cherry blossom leaves using the pyrolysis method followed by a sol-gel method. An Al 2 O 3 -coating nano-layer (4-6 nm) is formed on the porous carbon during the composition fabrication, which further adversely affects battery performance. The development of a simple rich-shell-structured C@Al 2 O 3 nanocomposite anode is expected to achieve stable electrochemical performances as lithium storage. A significant contributing factor to enhanced performance is the structure of the rich-shell material, which greatly enhances conductivity and stabilizes the solid-electrolyte interface (SEI) film. In the battery test assembled with composite C@Al 2 O 3 electrode, the specific capacity is 516.1 mAh g -1 at a current density of 0.1 A g -1 after 200 cycles. The average discharge capacity of carbon is 290 mAh g -1 at a current density of 1.0 A g -1 . The present study proposes bioinspired porous carbon electrode materials for improving the performance of next-generation lithium-ion batteries. |
