Abstract
ZnSe–FeSe2/reduced graphene oxide (RGO) composites are synthesized through a rational strategy using Fe/Zn-MOF-5 as a template. Compared with the ZnSe/RGO or FeSe2/RGO composites, the ZnSe–FeSe2/RGO anode electrode exhibits a higher reversible capacity (439 mAh g−1 after 100 cycles at 100 mA g−1) for sodium ion batteries (SIBs). The excellent electrochemical performance of ZnSe–FeSe2/RGO composites can be attributed to the synergistic effects of the unique architecture, where ZnSe is responsible for providing a high capacity, FeSe2 improves the electrochemical stability, and RGO is beneficial for enhancing the charge transfer behavior. Furthermore, the ZnSe–FeSe2/RGO anode reveals stable reversible capacity (363 mAh g−1 after 100 cycles at 50 mA g−1) for potassium ion batteries (KIBs).
| Original language | English |
|---|---|
| Article number | 227937 |
| Journal | Journal of Power Sources |
| Volume | 455 |
| DOIs | |
| State | Published - 15 Apr 2020 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Anode material
- Fe/Zn-MOF-5 template
- Potassium ion batteries
- Sodium ion batteries
- ZnSe-FeSe/RGO nanocomposites
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