Bilayer and Trilayer C3N/Blue-Phosphorene Heterostructures as Potential Anode Materials for Potassium-Ion Batteries
Ali Khodadadi, Akhil Kunjikuttan Nair, Carlos Manuel Da Silva, Cristina H. Amon · 2023
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Description
Ali Khodadadi, Akhil Nair, Carlos Da Silva, and Cristina Amon compute whether stacked two-dimensional sheets could serve as anodes in potassium-ion batteries. Their study appeared in 2023. Potassium batteries promise cheap storage beyond lithium, but anode materials lag. Pairing a carbon-nitrogen sheet with blue phosphorene, in two- and three-layer stacks, changed the picture in first-principles calculations. The stacks grabbed and moved potassium ions far better than either sheet alone.
Stacking also collapsed the phosphorene's wide band gap, making the pair nearly metallic and conductive. Predicted capacity ran from about 637 to 756 milliamp-hours per gram, well above rival sheet designs, and ion hopping barriers fell as low as 0.042 electron-volts. The authors nominate the stacks for real synthesis trials.
Catalog record
| CREATOR | Ali Khodadadi, Akhil Kunjikuttan Nair, Carlos Manuel Da Silva, Cristina H. Amon |
|---|---|
| YEAR | 2023 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 44 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |