| Autor: |
Pawar, Meenakshi D., Thripuranthaka, Marulasiddappa, Patrike, Apurva, Deshmukh, Ashvini B., Chaturvedi, Vikash, Krishnan, Arun, Shivade, Rajkiran, Shelke, Manjusha V. |
| Zdroj: |
Energy Technology; December 2023, Vol. 11 Issue: 12 |
| Abstrakt: |
Lithium‐ion capacitors (LICs), with their higher energy density at high power capability, stand out as the future generation of energy‐storage devices. Herein, the nanocomposite of Ti3C2TxMXene with Nb2Mo3O14is prepared by a one‐step hydrothermal method and studied as an electrode material for LIC. The as‐fabricated composite MXene niobium molybdenum oxide (MXNMO) achieves a high reversible capacity of 205 mAh g−1at 100 mA g−1current density with outstanding cyclability. Further, asymmetric LIC full‐cell device composed of MXNMO anode with supercapacitor grade activated carbon as a cathode delivers an energy density of 37.8 Wh kg−1(0.25 A g−1) and a higher power density of 4244 W kg−1(5 A g−1) along with the excellent durability showing 85% capacitance retention over 4000 cycles at 0.5 A g−1. A novel Ti3C2Tx–Nb2Mo3O14composite as an efficient anode for LIC achieves 32.5 Wh kg−1and 818.18 W kg−1energy and power density at 0.5 A g−1for 4000 cycles with 85% capacitance retention in MXene niobium molybdenum oxide/supercapacitor grade activated carbon full‐cell asymmetric supercapacitor device. |
| Databáze: |
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