Piezo-Electrocatalysis for CO_2 Reduction Driven by Vibration

Jiangping Ma; Shaojie Jing; Yang WangXue LiuLi-Yong GanCong WangJi-Yan DaiXiaodong HanXiaoyuan Zhou

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Piezo-Electrocatalysis for CO_2 Reduction Driven by Vibration

机译：Piezo-Electrocatalysis for CO_2 Reduction Driven by Vibration

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With rising CO_2 emissions caused by the massive consumption of fossilfuels, it is highly desirable to develop strategies that adopt renewable energyto convert CO_2 into value-added chemical feedstocks. Over the past decades,photocatalytic reduction of CO_2 using light energy has attracted considerableattention. However, the advanced photocatalysis techniques cannot exerttheir action where light is unavailable. Here, a method for CO_2 reduction onbasis of vibration-driven piezoelectricity to yield a piezo-electrocatalysis effectwhich requires mechanical vibration rather than light, is proposed. Undermild vibration and sacrificial agent-free conditions, the piezoelectric BaTiO_3catalyst provides a suitable piezo-potential to overcome the redox potential ofCO_2 and convert it into CO with a maximum yield of 63.3 μmol g~(?1), achievinga reactivity comparable to those of photocatalysts. The piezo-electrocatalyticCO_2 reduction reaction adds a new avenue in addition to the existing photocatalytictechniques by expanding the scope of energy utilization to promotecarbon neutrality.

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来源
《Advanced energy materials》 |2022年第27期|2200253.1-2200253.10|共10页
作者
Jiangping Ma; Shaojie Jing; Yang WangXue LiuLi-Yong GanCong WangJi-Yan DaiXiaodong HanXiaoyuan Zhou;
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作者单位

College of Physics and Institute of Advanced Interdisciplinary StudiesChongqing UniversityChongqing 401331, China;

College of Physics and Institute of Advanced Interdisciplinary StudiesChongqing UniversityChongqing 401331, China,State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing UniversityChongqing 401331, China;

Beijing Key Laboratory of Microstructure and Property of AdvancedMaterialsBeijing University of TechnologyBeijing 100024, ChinaDepartment of Applied PhysicsThe Hong Kong Polytechnic UniversityHong Kong 999077, China;

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正文语种英语
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关键词
barium titanate; piezoelectric effect; piezo-electrocatalytic CO_2 reduction reaction;

Piezo-Electrocatalysis for CO_2 Reduction Driven by Vibration

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