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Updated: Oct 16, 2025

Simple Methods for the Preparation of Non-noble Metal Bulk-electrodes for Electrocatalytic Applications
Published on: June 21, 2017
Two-dimensional ferroelectric metal for electrocatalysis
Changming Ke1,2,3, Jiawei Huang1,4, Shi Liu1,2,3
1School of Science, Westlake University, Hangzhou, Zhejiang 310024, China. liushi@westlake.edu.cn.
Abstract:
The coexistence of metallicity and ferroelectricity has been an intriguing and controversial phenomenon as these two material properties are considered incompatible in bulk. We clarify the concept of the ferroelectric metal by revisiting the original definitions for ferroelectric and metal. Two-dimensional (2D) ferroelectrics with out-of-plane polarization can be engineered via layer stacking to a genuine ferroelectric metal characterized by switchable polarization and non-zero density of states at the Fermi level. We demonstrate that 2D ferroelectric metals can serve as electrically-tunable, high-quality electrocatalysts.
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