Overcoming chromium poisoning in solid oxide cells through multiscale perovskite engineering
Min Li, Huixian Liu, Yunfei Bu, Xiang Wang, Haoran Wang, Jiawei Chen, Jiawei Li, Yantao Zhao, Zhibin Yang · 2026
Read Overcoming chromium poisoning in solid oxide cells through multiscale perovskite engineering by Min Li, Huixian Liu, Yunfei Bu, Xiang Wang, Haoran Wang, Jiawei Chen, Jiawei Li, Yantao Zhao, Zhibin Yang (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13438619.txt.
Description
Min Li and colleagues engineered a triple defense for the oxygen electrode of solid oxide cells. Chromium drifting from metal connectors poisons these electrodes, forming an insulating crust while sluggish oxygen chemistry caps output. Their 2026 design works at three depths at once. Barium steadies the crystal lattice so strontium stays put. Barium cobalt oxide specks trap incoming chromium, and a trace of molybdenum cools the surface's appetite for the poison.
The numbers jumped. Resistance at working temperature fell by about seventy percent, and peak power and electrolysis current both climbed high. With a chromium source running, single cells held steady for about a thousand hours. Chemical analysis confirmed shallow chromium entry and little crust compound. Computer modeling showed the two added elements weakening the poison's grip. For grid storage running tens of thousands of hours, tolerance built into the material beats filters bolted on later.
Catalog record
| CREATOR | Min Li, Huixian Liu, Yunfei Bu, Xiang Wang, Haoran Wang, Jiawei Chen, Jiawei Li, Yantao Zhao, Zhibin Yang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 66340 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |