Oxygen-Bridged Ga-O-PtPd Triple Sites Boost Methanol-Assisted Rechargeable Zn-Air Batteries Through Suppressing COads Generation

IF 24.4 1区材料科学 Q1 CHEMISTRY, PHYSICAL Advanced Energy Materials Pub Date : 2025-03-04 DOI:10.1002/aenm.202500421

Daowei Gao, Juan Chen, Yanao Zhang, Yunrui Li, Lidan Zhu, Yipin Lv, Yuchen Qin, Jiawei Zhang, Yuming Dong, Yongfa Zhu, Yao Wang

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Abstract

Constructing high-efficiency platinum (Pt)-based catalysts for methanol oxidation reaction (MOR) by suppressing the intermediate CO_ads generation is strongly desired and remains a grand challenge. Herein, the concept of holding O-bridged triple sites is documented to strengthen “non-CO” pathway selectivity by forming HCOO⁻ species during MOR. The obtained Ga-O-PtPd triple sites via grafting the single-atomic Ga sites on PtPd nanosheets achieves a high current density of 3.05 mAcm⁻² of MOR, which is 5.65 times higher than commercial Pt/C (0.54 mAcm⁻²), as well as remarkably stability and CO_ads poison resistance. The CO diffuse reflectance infrared Fourier transform spectroscopy (CO-DRIFTS) results reveal that Ga-O-PtPd triple sites present a weak CO binding ability, reducing the generation of CO_ads intermediate. In addition, the Ga-O-PtPd-based Zn-methanol-air batteries present an excellent activity and stability compared with commercial catalysts.

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来源期刊

Advanced Energy Materials CHEMISTRY, PHYSICAL-ENERGY & FUELS

CiteScore

41.90

自引率

4.00%

发文量

889

审稿时长

1.4 months

期刊介绍： Established in 2011, Advanced Energy Materials is an international, interdisciplinary, English-language journal that focuses on materials used in energy harvesting, conversion, and storage. It is regarded as a top-quality journal alongside Advanced Materials, Advanced Functional Materials, and Small. With a 2022 Impact Factor of 27.8, Advanced Energy Materials is considered a prime source for the best energy-related research. The journal covers a wide range of topics in energy-related research, including organic and inorganic photovoltaics, batteries and supercapacitors, fuel cells, hydrogen generation and storage, thermoelectrics, water splitting and photocatalysis, solar fuels and thermosolar power, magnetocalorics, and piezoelectronics. The readership of Advanced Energy Materials includes materials scientists, chemists, physicists, and engineers in both academia and industry. The journal is indexed in various databases and collections, such as Advanced Technologies & Aerospace Database, FIZ Karlsruhe, INSPEC (IET), Science Citation Index Expanded, Technology Collection, and Web of Science, among others.