{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T12:59:05Z","timestamp":1790686745961,"version":"4.1.0"},"reference-count":51,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T00:00:00Z","timestamp":1790640000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T00:00:00Z","timestamp":1790640000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100004826","name":"Natural Science Foundation of Beijing Municipality","doi-asserted-by":"publisher","award":["L253008"],"award-info":[{"award-number":["L253008"]}],"id":[{"id":"10.13039\/501100004826","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    While operating alkaline water electrolysis, the hydrogen evolution reaction (HER) naturally produces abundant surface hydrogen species, creating an intrinsic chance for the catalyst to hydrogenate and activate itself. For Ni\u2010based non\u2010noble\u2010metal catalysts, which are theoretically hydrogenatable, the ability to autonomously enhance their catalytic activity through the HER itself provides a new paradigm for catalyst design and operation. Herein, we demonstrate this self\u2010hydrogenation concept using a heterocrystalline NiMo alloy electrodeposited on nickel foam (NiMo\u2010NF) as a model HER catalyst. Benefiting from a dual\u2010active\u2010site architecture, the NiMo\u2010NF catalyst undergoes in situ electrochemical hydrogenation under working conditions. Specifically, amorphous domains form metal\u2010OH bonds that accelerate water dissociation and generate a locally hydrogen\u2010rich environment, within which the crystalline\u2010phase sites become hydrogenated. This structural evolution optimizes hydrogen adsorption energetics and shifts the reaction pathway from the Heyrovsky to the more efficient Tafel mechanism. As a result, the hydrogenated NiMo\u2010NF electrode exhibits exceptional HER performance in alkaline media, requiring only 178\u00a0mV of overpotential to deliver 1000\u00a0mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    . When implemented as the cathode in an alkaline electrolyzer, it achieves 1 A cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    at merely 1.73\u00a0V in 30 wt% KOH at 80\u00b0C and maintains excellent durability for over 2400 h under industrially relevant conditions.\n                  <\/jats:p>","DOI":"10.1002\/smll.75986","type":"journal-article","created":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T12:26:09Z","timestamp":1790684769000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["HER\u2010Driven Hydrogenation Promotes HER Electrocatalyst in Alkaline Media: A Case Demonstration of Heterocrystalline NiMo Alloy"],"prefix":"10.1002","author":[{"given":"Xian","family":"He","sequence":"first","affiliation":[{"name":"School of Physical Science and Technology Beijing University of Posts and Telecommunications  Beijing China"},{"name":"State Key Laboratory of New Ceramic Materials 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