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Ultrafast liquid Joule heating to in situ fabricate and stabilize NiFe-LDH for enhanced oxygen evolution
Linhui Cui1, Feng Liu1, Shaqi Fu1
1Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China. feng.liu@usts.edu.cn.
Abstract:
Herein, we firstly report an ultrafast liquid Joule heating (ULJH) strategy for in situ fabrication and stabilization of NiFe-LDH nanosheets, enhancing the oxygen evolution reaction (OER). ULJH efficiently suppresses agglomeration, yielding ultrathin nanosheets with exposed active edges. At the same time, strong interfacial bonding ensures operational stability. The NiFe-LDH-JH demonstrates exceptional OER performance, achieving a current density of 100 mA cm-2 at a low overpotential of 262 mV with minimal attenuation after 300 h of operation.
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