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Nanocrystalline-glass heterostructure via phase engineering for efficient hydrogen evolution
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Huahai Changa, Yiyuan Yanga, b, Fan Yua, Shunda Jianga, Xueqian Wanga, Zhe Jiaa, *, Baolong Shena, **
Progress in Natural Science: Materials International | 2026, 36(1) : 102 - 109
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Progress in Natural Science: Materials International | 2026, 36(1): 102-109
• Research Article •
Nanocrystalline-glass heterostructure via phase engineering for efficient hydrogen evolution
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Huahai Changa, Yiyuan Yanga, b, Fan Yua, Shunda Jianga, Xueqian Wanga, Zhe Jiaa, *, Baolong Shena, **
Affiliations
  • aSchool of Materials Science and Engineering, Jiangsu Key Laboratory for Advanced Metallic Materials, Southeast University, Nanjing, 211189, China
  • bHong Kong Branch of National Precious Metals Material Engineering Research Center and Department of Mechanical Engineering, City University of Hong Kong, Hong Kong SAR, China
Published: 2026-02-22 doi: 10.1016/j.pnsc.2025.12.001
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The development of efficient, stable, and low-cost electrocatalysts is crucial for hydrogen production via water electrolysis. While multi-principal element alloys (MPEAs) show great potential due to their multi-component synergy and tunable electronic structures, their practical application is often hampered by insufficient active sites and poor long-term stability. Herein, we report a phase-engineering-guided dealloying strategy to fabricate a high-performance MPEA catalyst for hydrogen evolution reaction (HER). This approach employs a triple-phase Al60Ni27Fe5Co5Mo3 precursor, wherein chemical dealloying in an alkaline medium transforms the BCC parent phase into an ordered B2 phase, while completely dissolving the less stable FCC and tetragonal phases. This process results in a unique heterogeneous structure of Ni-based oxide nanocrystals enveloped by a Mo-rich metallic glass phase, coating the B2 phase surface. Benefiting from the abundant heterogeneous interfaces and synergistic interactions among multiple phases generated during dealloying, the catalyst exhibits outstanding activity and stability for HER in alkaline media, achieving a low overpotential of 35 mV at 10 mA cm-2 and exceptional durability for 500 h at 100 mA cm-2 with negligible activity degradation. This work presents a novel pathway for designing multiphase MPEAs and underscores the significant potential of high-performance electrocatalyst preparation by combining phase engineering with dealloying.

Multi-principal element alloys  /  Phase engineering  /  Dealloying  /  Heterostructure  /  Water electrolysis
Huahai Chang, Yiyuan Yang, Fan Yu, Shunda Jiang, Xueqian Wang, Zhe Jia, Baolong Shen. Nanocrystalline-glass heterostructure via phase engineering for efficient hydrogen evolution[J]. Progress in Natural Science: Materials International, 2026 , 36 (1) : 102 -109 . DOI: 10.1016/j.pnsc.2025.12.001
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Funding
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  • National Natural Science Foundation of China(52231005; 52571182; 52201174)
  • Natural Science Foundation of Jiangsu Province(BK20253026; BK20220858)
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Year 2026 volume 36 Issue 1
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Article Info
doi: 10.1016/j.pnsc.2025.12.001
  • Receive Date：2025-11-10
  • Online Date：2026-06-03
  • Published：2026-02-22
Article Data
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History
  • Received：2025-11-10
  • Revised：2025-12-03
  • Accepted：2025-12-06
Funding
National Natural Science Foundation of China(52231005; 52571182; 52201174)
Natural Science Foundation of Jiangsu Province(BK20253026; BK20220858)
Affiliations
    aSchool of Materials Science and Engineering, Jiangsu Key Laboratory for Advanced Metallic Materials, Southeast University, Nanjing, 211189, China
    bHong Kong Branch of National Precious Metals Material Engineering Research Center and Department of Mechanical Engineering, City University of Hong Kong, Hong Kong SAR, China

Corresponding:

* E-mail addresses: (Z. Jia)
** E-mail addresses: (B. Shen).
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https://castjournals.cast.org.cn/joweb/pnsmi/EN/10.1016/j.pnsc.2025.12.001
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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