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#6465. Fabrication of Bi nanospheres assembled microspheres with petal structure || B, N-co-doped C nanosheets hybrid sodium-ion capacitors with ultrahigh power density, high energy density and long cycle life
| September 2026 | publication date |
| Proposal available till | 10-05-2025 |
| 4 total number of authors per manuscript | 0 $ |
| The title of the journal is available only for the authors who have already paid for |
| Journal’s subject area: |
| Electrical and Electronic Engineering; Physical and Theoretical Chemistry; Energy Engineering and Power Technology; Renewable Energy, Sustainability and the Environment; |
| place 1 | place 2 | place 3 | place 4 |
| Free | Free | Free | Free |
| 2350 $ | 1200 $ | 1050 $ | 900 $ |
Contract №6465.1   | Contract №6465.2 | Contract №6465.3 | Contract №6465.4 |
1 place - free (for sale)
2 place - free (for sale)
3 place - free (for sale)
4 place - free (for sale)
Abstract:
To develop high-performance hybrid sodium-ion capacitors, B, N co-doped C nanosheets and Bi nanospheres assembled microspheres with petal structure (labelled as Bi NAMPS) are synthesized, which are used as the cathode and the anode, respectively. In sodium-ion half cells, the B, N co-doped C nanosheets show pseudocapacitive behavior, with a stable capacity of 108 mAh g?1 at 0.1 A g?1, superior rate capability (72.9 mAh g?1 at 20 A g?1) and capacity retention of ?100% after 15000 cycles at 5 A g?1. The Bi NAMPS present battery-type characteristics, with a first reversible capacity of 365 mAh g?1 at 0.2 A g?1, excellent rate capability (338 and 304 mAh g?1 at 10, 20 and 40 A g?1, respectively) and capacity retention of 91% after 7000 cycles at 10 A g?1. Hybrid sodium-ion capacitor constructed by pairing them exhibits an ultrahigh power density of 33 kW kg?1(total), a high energy density of ?93 Wh kg?1(total) and a long cycle life of 5000 cycles. The improved electrochemical performance of the hybrid sodium-ion capacitor is ascribed to the excellent electrochemical behaviors of the anode and cathode.
Keywords:
Battery-type anode; Electrochemical performance; Hybrid sodium-ion supercapacitor; Pseudocapacitive cathode
Contacts :
2 place - free (for sale)
3 place - free (for sale)
4 place - free (for sale)
Abstract:
To develop high-performance hybrid sodium-ion capacitors, B, N co-doped C nanosheets and Bi nanospheres assembled microspheres with petal structure (labelled as Bi NAMPS) are synthesized, which are used as the cathode and the anode, respectively. In sodium-ion half cells, the B, N co-doped C nanosheets show pseudocapacitive behavior, with a stable capacity of 108 mAh g?1 at 0.1 A g?1, superior rate capability (72.9 mAh g?1 at 20 A g?1) and capacity retention of ?100% after 15000 cycles at 5 A g?1. The Bi NAMPS present battery-type characteristics, with a first reversible capacity of 365 mAh g?1 at 0.2 A g?1, excellent rate capability (338 and 304 mAh g?1 at 10, 20 and 40 A g?1, respectively) and capacity retention of 91% after 7000 cycles at 10 A g?1. Hybrid sodium-ion capacitor constructed by pairing them exhibits an ultrahigh power density of 33 kW kg?1(total), a high energy density of ?93 Wh kg?1(total) and a long cycle life of 5000 cycles. The improved electrochemical performance of the hybrid sodium-ion capacitor is ascribed to the excellent electrochemical behaviors of the anode and cathode.
Keywords:
Battery-type anode; Electrochemical performance; Hybrid sodium-ion supercapacitor; Pseudocapacitive cathode
Contacts :
