Acta Metallurgica Sinica (English Letters) ›› 2018, Vol. 31 ›› Issue (2): 164-170.DOI: 10.1007/s40195-017-0622-3
Special Issue: 2018年复合材料专辑
• Orginal Article • Previous Articles Next Articles
Subhalaxmi Mohapatra1, Shantikumar V. Nair1, Alok Kumar Rai1(
)
Received:2017-07-06
Revised:2017-07-06
Online:2018-02-20
Published:2018-03-20
About author:About author:Lin Lv and Feng-Qing Wang have contributed equally to this work.
Subhalaxmi Mohapatra, Shantikumar V. Nair, Alok Kumar Rai. Synthesis of Co3O4 Nanoparticles Wrapped Within Full Carbon Matrix as an Anode Material for Lithium Ion Batteries[J]. Acta Metallurgica Sinica (English Letters), 2018, 31(2): 164-170.
Fig. 5 Electrochemical performance of Co3O4@C nanocomposite electrode: a Cyclic voltammogram curves at a scan rate of 0.1 mV s-1; b discharge/charge voltage profiles at the constant current rate of 0.25 C; c comparison of the cyclability at the constant current rates of 0.25 and 1.0 C; d C-rate capability at various current rates between 0.5 and 5.0 C
| Materials | Synthesis method | Current density/rate | Cycle number | Specific capacity (mAh g-1) | Refs. |
|---|---|---|---|---|---|
| Co3O4-C Core-shell nanowire | Hydrothermal synthesis | 2.0 C | 20 | 676 | [ |
| Carbon@Co3O4 nanostructure | Hydrothermal approach | 0.5 C | 107 | 567 | [ |
| - | - | 2.0 C | 80 | 423 | [ |
| Hierarchically porous carbon (HPC)/Co3O4 nanocomposite | Murdannia simplex stalks | 1 A g-1 (1.1 C) | 40 | 375 | [ |
| Co3O4/carbon nanotube hybrid | Mechanical Treatment processes | 0.2 C | 70 | 877 | [ |
| Co3O4-carbon nanotube composite | Thermal decomposition | 200 mA g-1 (0.22 C) | 100 | 776 | [ |
| - | - | 1 A g-1 (1.1 C) | 35 | 600 | [ |
| Co3O4/onion-like carbon nanocomposite | Solvothermal method | 200 mA g-1 (0.22 C) | 100 | 632 | [ |
| - | - | 2000 mA g-1 (2.2 C) | 50 | 154 | [ |
| Co3O4 nanocages | Thermal decomposition | 2000 mA g-1 (2.2 C) | 25 | 252 | [ |
| Co3O4/ordered mesoporous carbon nanocomposite | Solvent evaporation-induced co-self-assembly | 1.5 A g-1 (1.7 C) | 35 | 580 | [ |
| Co3O4@C | Pyro-synthesis | 0.25 C | 50 | 914.4 | * |
| - | Pyro-synthesis | 1.0 C | 50 | 515.5 | * |
| - | Pyro-synthesis | 5.0 C | 35 | 318.2 | * |
Table 1 Comparison of specific capacities of the current Co3O4@C electrode with previous Co3O4 electrodes reported in the literature
| Materials | Synthesis method | Current density/rate | Cycle number | Specific capacity (mAh g-1) | Refs. |
|---|---|---|---|---|---|
| Co3O4-C Core-shell nanowire | Hydrothermal synthesis | 2.0 C | 20 | 676 | [ |
| Carbon@Co3O4 nanostructure | Hydrothermal approach | 0.5 C | 107 | 567 | [ |
| - | - | 2.0 C | 80 | 423 | [ |
| Hierarchically porous carbon (HPC)/Co3O4 nanocomposite | Murdannia simplex stalks | 1 A g-1 (1.1 C) | 40 | 375 | [ |
| Co3O4/carbon nanotube hybrid | Mechanical Treatment processes | 0.2 C | 70 | 877 | [ |
| Co3O4-carbon nanotube composite | Thermal decomposition | 200 mA g-1 (0.22 C) | 100 | 776 | [ |
| - | - | 1 A g-1 (1.1 C) | 35 | 600 | [ |
| Co3O4/onion-like carbon nanocomposite | Solvothermal method | 200 mA g-1 (0.22 C) | 100 | 632 | [ |
| - | - | 2000 mA g-1 (2.2 C) | 50 | 154 | [ |
| Co3O4 nanocages | Thermal decomposition | 2000 mA g-1 (2.2 C) | 25 | 252 | [ |
| Co3O4/ordered mesoporous carbon nanocomposite | Solvent evaporation-induced co-self-assembly | 1.5 A g-1 (1.7 C) | 35 | 580 | [ |
| Co3O4@C | Pyro-synthesis | 0.25 C | 50 | 914.4 | * |
| - | Pyro-synthesis | 1.0 C | 50 | 515.5 | * |
| - | Pyro-synthesis | 5.0 C | 35 | 318.2 | * |
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