Synthesis of Palladium-Tungsten Metallene-Constructed Sandwich-Like Nanosheets as Bifunctional Catalysts for Direct Formic Acid Fuel Cells

Zhang，Lian Ying1,3,5; Meng，Xiaomin1; Zhang，Wenlin2; Zeng，Tiantian1; Yuan，Weiyong3; Zhao，Zhiliang4

2021

10.1021/acsaem.1c02147

ACS Applied Energy Materials   影响因子和分区

2574-0962

Although great efforts have been made over past decades, it is very challenging to develop advanced bifunctional electrocatalysts for direct formic acid fuel cells. Herein, we report the preparation of PdW metallene-constructed sandwich-like nanosheets (S-PdW NSs) via a facile wet-chemical method. This nanostructure shows excellent electrocatalytic activity and durability in both formic acid oxidation and oxygen reduction reactions. The remarkable enhancement of catalytic activity could be mainly attributed to its unique metallene-constructed sandwich-like nanosheets, whose layered structure could provide appropriate distances at the atomic scale close to the diameter of oxygen and formic acid molecules to realize bridge adsorption. The significantly improved durability could be due to the modification of the electronic structure of Pd via the introduction of W into the Pd lattice to generate strong bonding interactions. This work offers a low-Pd-loading, highly active, and stable bifunctional catalyst for direct formic acid fuel cells.

2D materials bifunctional electrocatalyst formic acid electrooxidation fuel cells oxygen reduction reaction

EI

英语

通讯

20214611158007

Chemical bonds ; Durability ; Electrocatalysts ; Electrolytic reduction ; Electronic structure ; Electrooxidation ; Formic acid ; Formic acid fuel cells (FAFC) ; Gas fuel purification ; Nanosheets ; Oxygen ; Palladium ; Tungsten

Gas Fuels:522 ; Ore Treatment:533.1 ; Tungsten and Alloys:543.5 ; Precious Metals:547.1 ; Fuel Cells:702.2 ; Nanotechnology:761 ; Physical Chemistry:801.4 ; Electrochemistry:801.4.1 ; Chemical Reactions:802.2 ; Chemical Agents and Basic Industrial Chemicals:803 ; Chemical Products Generally:804 ; Organic Compounds:804.1 ; Solid State Physics:933

2-s2.0-85118923854

Scopus

1.Institute of Materials for Energy and Environment,College of Materials Science and Engineering,Qingdao University,Qingdao,266071,China
2.College of Landscape Architecture and Life Science,Chongqing University of Arts and Sciences,Chongqing,402160,China
3.Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies,Institute for Clean Energy and Advanced Materials,Southwest University,Chongqing,400715,China
4.Department of Materials Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
5.State Key Laboratory of Trauma,Burn and Combined Injury,Third Military Medical University,Chongqing,400038,China

Zhang，Lian Ying,Meng，Xiaomin,Zhang，Wenlin,et al. Synthesis of Palladium-Tungsten Metallene-Constructed Sandwich-Like Nanosheets as Bifunctional Catalysts for Direct Formic Acid Fuel Cells[J]. ACS Applied Energy Materials,2021,4:12336-12344.

Zhang，Lian Ying,Meng，Xiaomin,Zhang，Wenlin,Zeng，Tiantian,Yuan，Weiyong,&Zhao，Zhiliang.(2021).Synthesis of Palladium-Tungsten Metallene-Constructed Sandwich-Like Nanosheets as Bifunctional Catalysts for Direct Formic Acid Fuel Cells.ACS Applied Energy Materials,4,12336-12344.

Zhang，Lian Ying,et al."Synthesis of Palladium-Tungsten Metallene-Constructed Sandwich-Like Nanosheets as Bifunctional Catalysts for Direct Formic Acid Fuel Cells".ACS Applied Energy Materials 4(2021):12336-12344.