Rapid Electrical-Field-Enhanced Corrosion Endows Ni3Fe/NiFe Layered Double Hydroxide Nanosheets with High-Rate Oxygen Evolution Activity
Source abstract
Abstract
We demonstrate a rapid electrical-field-enhanced corrosion strategy in synthesizing Ni 3 Fe/NiFe layered double hydroxide nanosheets within 200 s for high-rate (>400 mA cm –2 ) oxygen evolution reaction (OER). Theoretical calculations suggest that the hybrids have high intrinsic activity with decreased energy barriers, while visualization experiments confirm facilitated bubble detachment. The composite shows competing performances with the overpotential of 283.3 ± 6.1 mV at 1000 mA cm –2 . The anion exchange membrane water electrolyzer employing this anode and Pt/C cathode can achieve 1000 mA cm –2 at 2.0 V. This work exemplifies an efficacious strategy in rapidly realizing NiFe-based anodes for high-rate OER.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Catalytic Processes in Materials Science · Copper-based nanomaterials and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, P. R. China
School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
SDU-ANU Joint Science College, Shandong University, Weihai 264209, P. R. China
School of Space Science and Physics, Shandong University, Weihai 264209, P. R. China
Funding
Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China · Natural Science Foundation of Shandong Province
References (30)
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