fig10
From: Multi-functional engineering of rare earth-based catalysts for high-efficiency water splitting
Figure 10. Comparison of HER electrocatalytic performance across different REE types. NC: Nitrogen-doped carbon; N/C: CNT: carbon nanotube; BSCF: Ba0.5Sr0.5Co0.8Fe0.2O3-σ; NF: nickel foam; HER: hydrogen evolution reaction; REE: rare earth element.
