Wrinkled Strain-Enriched High-Entropy Metallene Enables Cross-Site Tandem Nitrate-to-Ammonia.

Tianfang Yang, Yang Liu, Menghao Kong, Shilong Li, Shizhe Liu, Guanjie He, Shuyan Gao

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Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Tianfang YangSchool of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, P. R. China.

Yang LiuSchool of Materials Science and Engineering, Henan Normal University, Xinxiang, P. R. China.ORCID https://orcid.org/0000-0001-6478-9985

Menghao KongSchool of Materials Science and Engineering, Henan Normal University, Xinxiang, P. R. China.

Shilong LiSchool of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, P. R. China.

Shizhe LiuSchool of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, P. R. China.

Guanjie HeChristopher Ingold Laboratory, Department of Chemistry, University College London, London, UK.ORCID https://orcid.org/0000-0002-7365-9645

Shuyan GaoSchool of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, P. R. China.ORCID https://orcid.org/0000-0001-5221-6645

Funding

Engineering and Physical Sciences Research Council EPSRC,EP/V027433/3National Natural Science Foundation of China 52401275National Natural Science Foundation of China U22A20253UK Research and Innovation (UKRI) under the UK government's Horizon Europe funding 101077226UK Research and Innovation (UKRI) under the UK government's Horizon Europe funding EP/Y008707/1

6 · The paper itself

Abstract

High-entropy alloys (HEAs) are interesting for sustainable electrocatalytic nitrate-to-ammonia but suffer from low atom utilization and insufficient exposure of active sites. Here, we report a wrinkled PdFeCoNiCuIn high-entropy metallene (HEM) that leverages a structural-electronic dual regulation strategy to transcend these limitations. The incorporation of the p-block element indium (In) triggers a strong p-d orbital hybridization that synergizes with the intrinsic metallene architecture to construct a broad adsorption energy landscape. This architecture enables a cross-site tandem catalytic pathway that spatially decouples nitrate activation from ammonia desorption, thereby circumventing scaling constraints. Consequently, the PdFeCoNiCuIn-HEM delivers a remarkable ammonia Faradaic efficiency of 99.3% and a yield rate of 4.55 mmol h

Indexed as

cross‐site tandem catalysiselectrochemical nitrate reduction reactionhigh‐entropy metallenelattice strainZn‐NO3− battery

Identifiers

PMID42117316

DOI10.1002/anie.5828704

PMCPMC13327625

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