Jin, S., Xu, D., Xu, P., Yin, K., Du, J., Chen, H., Fan, J., Liang, H., Wu, Z., Wu, X. (2026). Coverage engineering by shell-number-controlled nanoconfinement enables nitric oxide electroreduction in the ppm regime. Nature Communications. https://doi.org/10.1038/s41467-026-75925-6