Theoretical insights into Cu-mediated electronic modulation in FeCoNi-based multimetallic catalysts for polysulfide conversion
Xin Guo, Jianshuang Wei, Xiuju Song, Jingyu Sun, Yixiong Feng · 2026
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Description
Xin Guo and co-authors, in a 2026 study, used computer models to ask what a small amount of copper does inside a metal mix used in lithium sulfur batteries. The base mix holds iron, cobalt, and nickel. Such batteries are held back by sulfur chains that drift and waste charge, so a good surface must catch them and speed their change.
Adding one copper atom to the model made the surface hold a key sulfur chain more strongly. It also cut the energy cost of the last step toward the solid end product, and moved charge around near the copper. Lab tests on a matched sample backed the model. Cells with copper showed much lower charge transfer drag and faster rates at low voltage than the mix without it.
Catalog record
| CREATOR | Xin Guo, Jianshuang Wei, Xiuju Song, Jingyu Sun, Yixiong Feng |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 38 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |