Locust leaves-derived biochar coupled CuxO composites for efficient electrocatalytic CO2 reduction

被引：3

作者：

Chen, Chao ^{[1
]}

Zhang, Jinnan ^{[2
]}

Qi, Yu ^{[2
]}

Zhang, Jianing ^{[2
]}

Guo, Tianyu ^{[1
,2
,3
]}

Wang, Hongtao ^{[2
]}

机构：

[1] China Inst Radiat Protect, Minist Environm Dept, 102 Xuefu St, Taiyuan 030006, Shanxi, Peoples R China

[2] Taiyuan Univ Technol, Coll Environm Sci & Engn, 209 Univ St, Jinzhong 030600, Shanxi, Peoples R China

[3] Shanxi Key Lab Gas Energy Efficient & Clean Utiliz, 79 Yingze West St, Taiyuan 030024, Shanxi, Peoples R China

来源：

FUEL | 2024年 / 372卷

基金：

中国国家自然科学基金;

关键词：

CuxO; Biomass carbon; CO2; Electrocatalytic reduction; ELECTROREDUCTION; CATALYST; CU2O; CUO; COPPER;

D O I：

10.1016/j.fuel.2024.132245

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The electrochemical CO2 reduction reaction (CO2RR) to obtain high-valued product is considered to be a promising strategy for greenhouse effect mitigation. However, the development of low-cost electrocatalysts with excellent electrocatalytic performance is necessary. In this study, we developed a serials of locust leaves-derived CuxO@C composites with large surface area and high CO2 adsorption ability. Among them, the CuxO@C-2 with optimal C content (0.10 g) displays the highest FEC2H4 of 41.3 % at -1.08 V vs. RHE, which is 1.7 times higher than that of pure CuxO sample. The enhanced performance for CO2RR may be attributed to the large BET surface area, improved adsorption ability of CO2 and exposed abundant active sites. The work provides a feasible strategy for configuring CuxO-based materials with high adsorption capacity and more reaction activity sites.

引用

页数：10

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