21:I[432972,["/_next/static/chunks/bb923814e1f4d2e9.js","/_next/static/chunks/dd3ee9f5b7716ca6.js","/_next/static/chunks/4204a0ae82542ca8.js","/_next/static/chunks/1270dead247da766.js","/_next/static/chunks/6e1aa89a642f40be.js","/_next/static/chunks/2d7aa753e81324a8.js","/_next/static/chunks/8ffd0b71567920d8.js","/_next/static/chunks/67ea6dfd21f16c5f.js","/_next/static/chunks/24eb4379f68013fd.js","/_next/static/chunks/b8cd775ffdf935bd.js","/_next/static/chunks/983103cd9eb7b428.js","/_next/static/chunks/263f2cdcb9aa2341.js","/_next/static/chunks/294b9525248c8e5f.js"],"default"] 22:T557,Electrocatalytic nitrate reduction reaction (NO₃RR) provides a feasible strategy for green ammonia production and the treatment of nitrate pollution in wastewater. The generation of active hydrogen (H*) plays an important role in improving the selectivity, yield rate, and Faradaic efficiency of ammonia products. Here, structurally ordered nanoporous Cu₆Sn₅-type high entropy intermetallics (HEI) with extremely superior performance toward NO₃RR is demonstrated. The optimal nanoporous (Cu_0.25Ni_0.25Fe_0.25Co_0.25)₆Sn₅ HEI delivers a high NH₃ Faradaic efficiency of 97.09 ± 1.15% and excellent stability of 120 h at the industrial level current density of 1 A cm^-2, accordingly directly converting NO₃ ^‒ to high-purity (NH₄)₂HPO₄ with near-unity efficiency. Theoretical calculations combined with experimental results reveal that the ordered multi-site nature of the nanoporous HEI can simultaneously promote water dissociation, reduce the reaction-free energy of the hydrogenation process, and suppress hydrogen evolution. This work provides the design of the precious-metal-free HEI for sustainable NH₃ synthesis and paves insights into the H* enrichment mechanism.

#	Concept	H-Index	Publications	Citations
1	Engineering	1	1	12
2	Chemical Engineering	1	1	12
3	Chemistry	1	1	12
4	Catalysis	1	1	12
5	Electrochemistry	1	1	12

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