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Platinum/Nickel Bicarbonate Heterostructures towards Accelerated Hydrogen Evolution under Alkaline Conditions

Lao, Mengmeng, Rui, Kun, Zhao, Guoqiang, Cui, Peixin, Zheng, Xusheng, Dou, Shi Xue, Sun, Wenping·2019·Angewandte Chemie International Edition

Abstract

Heterostructured nanomaterials, generally have physicochemical properties that differ from those of the individual components, and thus have potential in a wide range of applications. New platinum (Pt)/nickel bicarbonate (Ni(HCO 3)2) heterostructures are designed for an efficient alkaline hydrogen evolution reaction (HER). Notably, the specific and mass activity of Pt in Pt/Ni(HCO 3)2 are substantially improved compared to the bare Pt nanoparticles (NPs). The Ni(HCO 3)2 provides abundant water adsorption/dissociation sites and modulate the electronic structure of Pt, which determine the elementary reaction kinetics of alkaline HER. The Ni(HCO 3)2 nanoplates offer a platform for the uniform dispersion of Pt NPs, ensuring the maximum exposure of active sites. The results demonstrate that, Ni(HCO 3)2 is an effective catalyst promoter for alkaline HER.

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Metadata

Authors
Lao, M., Rui, K., Zhao, G., Cui, P., Zheng, X., Dou, S. X., & Sun, W.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-03-13
Volume
58
Issue
16
Pages
5432-5437
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2914781440
Cited by
244
References
6
FWCI
8.50
Type
journal article
Language
en
Open access
closed
Funders
Australian Research Council (DE160100596)

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CoChat. (2026). Citation check: Platinum/Nickel Bicarbonate Heterostructures towards Accelerated Hydrogen Evolution under Alkaline Conditions. https://app.cochat.ai/papers/10.1002/anie.201901010
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Lao, M., Rui, K., Zhao, G., Cui, P., Zheng, X., Dou, S. X., & Sun, W. (2019). Platinum/Nickel Bicarbonate Heterostructures towards Accelerated Hydrogen Evolution under Alkaline Conditions. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201901010

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