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Pt8V–V2O3Interfacial Electronic Bridge : Balancing Catalytic Activity-Stability-Multifunctionality for Durable AEM Water Electrolysis and Zn–Air Batteries

Zhang, Xin Yi ; Yin, Hang LU ; Liu, Han Hao ; Ge, Ying Di ; Dang, Cong Cong ; Zheng, Shuo Hang ; Gu, Zhen Yi ; Cao, Jun Ming ; Liu, Dai Huo and Wu, Xing Long (2025) In ACS Catalysis 16(1). p.528-541
Abstract

The large-scale applications of anion exchange membrane water electrolysis (AEMWEs) and zinc–air batteries (ZABs) are observably limited by the lack of highly active, multifunctional, and industrially applicable electrocatalysts. In this work, we report a solvent-free rapid pyrolysis strategy that successfully prepares a composite material of Pt8V–V2O3 heterostructure supported on nitrogen-doped porous carbon (Pt8V–V2O3@NPC). In alkaline hydrogen evolution reactions, the mass activity of Pt8V–V2O3@NPC reaches 10.6 times that of commercial Pt/C, while the half-wave potential for the oxygen reduction reaction is 0.89 V. The assembled ZABs... (More)

The large-scale applications of anion exchange membrane water electrolysis (AEMWEs) and zinc–air batteries (ZABs) are observably limited by the lack of highly active, multifunctional, and industrially applicable electrocatalysts. In this work, we report a solvent-free rapid pyrolysis strategy that successfully prepares a composite material of Pt8V–V2O3 heterostructure supported on nitrogen-doped porous carbon (Pt8V–V2O3@NPC). In alkaline hydrogen evolution reactions, the mass activity of Pt8V–V2O3@NPC reaches 10.6 times that of commercial Pt/C, while the half-wave potential for the oxygen reduction reaction is 0.89 V. The assembled ZABs demonstrate stable cycling performance over 5550 cycles at a current density of 5.0 mA cm–2, with negligible voltage decay. Likewise, AEMWEs incorporating this material exhibit stable operation for over 500 h at a current density of 1000 mA cm–2, with a voltage decay rate of only 0.14 mV h–1. Combined X-ray absorption fine structure spectroscopy and theoretical studies demonstrate that the interfacial electron transfer from V2O3 to Pt8V optimizes the d-band center of Pt8V–V2O3. This study proposes an interface electronic bridging strategy for the design of multifunctional electrocatalysts, which may provide support for the development of practical clean energy technologies.

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; ; ; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
anion exchange membrane water electrolysis, HER, heterostructure, OER, ORR, zinc–air batteries
in
ACS Catalysis
volume
16
issue
1
pages
14 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • scopus:105026346807
ISSN
2155-5435
DOI
10.1021/acscatal.5c06760
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2025 American Chemical Society
id
3571574d-632e-4b67-a6f5-f81bf930d7b0
date added to LUP
2026-01-16 15:38:40
date last changed
2026-01-22 14:57:32
@article{3571574d-632e-4b67-a6f5-f81bf930d7b0,
  abstract     = {{<p>The large-scale applications of anion exchange membrane water electrolysis (AEMWEs) and zinc–air batteries (ZABs) are observably limited by the lack of highly active, multifunctional, and industrially applicable electrocatalysts. In this work, we report a solvent-free rapid pyrolysis strategy that successfully prepares a composite material of Pt<sub>8</sub>V–V<sub>2</sub>O<sub>3</sub> heterostructure supported on nitrogen-doped porous carbon (Pt<sub>8</sub>V–V<sub>2</sub>O<sub>3</sub>@NPC). In alkaline hydrogen evolution reactions, the mass activity of Pt<sub>8</sub>V–V<sub>2</sub>O<sub>3</sub>@NPC reaches 10.6 times that of commercial Pt/C, while the half-wave potential for the oxygen reduction reaction is 0.89 V. The assembled ZABs demonstrate stable cycling performance over 5550 cycles at a current density of 5.0 mA cm<sup>–2</sup>, with negligible voltage decay. Likewise, AEMWEs incorporating this material exhibit stable operation for over 500 h at a current density of 1000 mA cm<sup>–2</sup>, with a voltage decay rate of only 0.14 mV h<sup>–1</sup>. Combined X-ray absorption fine structure spectroscopy and theoretical studies demonstrate that the interfacial electron transfer from V<sub>2</sub>O<sub>3</sub> to Pt<sub>8</sub>V optimizes the d-band center of Pt<sub>8</sub>V–V<sub>2</sub>O<sub>3</sub>. This study proposes an interface electronic bridging strategy for the design of multifunctional electrocatalysts, which may provide support for the development of practical clean energy technologies.</p>}},
  author       = {{Zhang, Xin Yi and Yin, Hang and Liu, Han Hao and Ge, Ying Di and Dang, Cong Cong and Zheng, Shuo Hang and Gu, Zhen Yi and Cao, Jun Ming and Liu, Dai Huo and Wu, Xing Long}},
  issn         = {{2155-5435}},
  keywords     = {{anion exchange membrane water electrolysis; HER; heterostructure; OER; ORR; zinc–air batteries}},
  language     = {{eng}},
  month        = {{12}},
  number       = {{1}},
  pages        = {{528--541}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{ACS Catalysis}},
  title        = {{Pt<sub>8</sub>V–V<sub>2</sub>O<sub>3</sub>Interfacial Electronic Bridge : Balancing Catalytic Activity-Stability-Multifunctionality for Durable AEM Water Electrolysis and Zn–Air Batteries}},
  url          = {{http://dx.doi.org/10.1021/acscatal.5c06760}},
  doi          = {{10.1021/acscatal.5c06760}},
  volume       = {{16}},
  year         = {{2025}},
}