Results 201 to 210 of about 478,818 (265)

Operando Tracking of Oxygen‐Vacancy Dynamics and Negative Capacitance in Ca‐Doped BiFeO3

Advanced Functional Materials, EarlyView.
Operando electrochemical impedance spectroscopy, combined with electrocoloration, enables a direct correlation between real‐space ionic redistribution and the corresponding frequency‐domain electrical response. In lateral Ca‐doped BiFeO3 devices, time‐resolved impedance snapshots capture the evolution from bulk‐dominated mixed conduction to an ...
Jeonghun Suh, Heung‐Sik Park, Jong‐Sook Lee, Chan‐Ho Yang   +3 more
wiley   +1 more source

Sn-Fe Dual-Metallic Nanoparticles on S,N-Codoped g-C₃N₄-Derived Tubular Carbon as an Efficient Bifunctional Catalyst for Oxygen Reduction Reaction and Oxygen Evolution Reaction. [PDF]

ACS Appl Mater Interfaces
Mekonnen BT, Kabtamu DM, Chang ST, Chen GC, Aligayev A, Dominguez-Gutierrez FJ, Wang YM, Wang SY, Huo W, Wang CH.   +9 more
europepmc   +1 more source

Electrochemical synthesis of high entropy nanoparticles and the exploration of the Pd-Ag-Au composition space for the oxygen reduction reaction.

Faraday Discuss
Liu M, Gautam D, Clausen CM, Tirmidzi A, Wiberg GKH, Rossmeisl J, Arenz M.   +6 more
europepmc   +1 more source

Dual-Atom Catalysts for the Oxygen Reduction Reaction: Unraveling Atomic Structures under Reaction Conditions. [PDF]

J Am Chem Soc
Brea C, Hu G.
europepmc   +1 more source

Atomic-scale 3D structural dynamics and functional degradation of Pt alloy nanocatalysts during the oxygen reduction reaction. [PDF]

Nat Commun
Jeong C, Lee J, Jo H, Lee K, Lee S, Ophus C, Ercius P, Cho E, Yang Y.   +8 more
europepmc   +1 more source

Sub-angstrom strain in high-entropy intermetallic boosts the oxygen reduction reaction in fuel cell cathodes. [PDF]

Nat Commun
Zhao X, Cheng H, Wu L, Zhang Q, Chen X, Marinkovic N, Li C, Tan S, Hu E, Ma L, Zhu Y, Xie J, Sasaki K.   +12 more
europepmc   +1 more source

Antisite defect unleashes catalytic potential in high-entropy intermetallics for oxygen reduction reaction. [PDF]

Nat Commun
Chen T, Zhang X, Wang H, Yuan C, Zuo Y, Gao C, Xiao W, Yu Y, Cai J, Luo T, Xiang Y, Xia D.   +11 more
europepmc   +1 more source

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Bifunctional Catalysts for Reversible Oxygen Evolution Reaction and Oxygen Reduction Reaction

Chemistry - A European Journal, 2020
AbstractMetal‐air batteries (MABs) and reversible fuel cells (RFCs) rely on the bifunctional oxygen catalysts for oxygen evolution reaction (OER) and oxygen reduction reaction (ORR). Finding efficient bifunctional oxygen catalysts is the ultimate goal and it has attracted a great deal of attention.
Shuangyin Wang, San Ping Jiang
exaly   +3 more sources

Tuning Nanoparticle Catalysis for the Oxygen Reduction Reaction

Angewandte Chemie - International Edition, 2013
AbstractAdvances in chemical syntheses have led to the formation of various kinds of nanoparticles (NPs) with more rational control of size, shape, composition, structure and catalysis. This review highlights recent efforts in the development of Pt and non‐Pt based NPs into advanced nanocatalysts for efficient oxygen reduction reaction (ORR) under fuel‐
Sen Zhang, Shouheng Sun, Shaojun Guo
exaly   +3 more sources