A team at the Shenyang National Research Center for Materials Science, Institute
of Metal Research, Chinese Academy of Sciences proposed a cathode-design
approach based on trace-element physico-chemical rules, shifting exploration
from empirical trial-and-error toward targeted design. Results published Oct. 1
in Nature Synthesis show multitrace-element co-doping (each element at ~1%)
simultaneously improves lithium-ion transport and structural stability.
Electrochemical tests: nearly 80% state-of-charge after a 3‑minute ultra-fast
charge; 82.4% capacity retention after 350 cycles under 6‑minute fast
charge/discharge conditions. A 5.74Ah cell using the material delivered 278.6
Wh/kg at −20°C, indicating strong low-temperature performance and offering a new
materials option for cold-region EVs and energy storage.
