Article
Engineering, Environmental
Zong Li, Yujie Feng, Yunfei Li, Xuepeng Chen, Nan Li, Weihua He, Jia Liu
Summary: CO2 electrochemical reduction has been achieved to convert CO2 into formic acid using bimetallic bismuth and tin deposited on a copper mesh. The newly developed catalyst exhibits high Faradaic efficiency, partial current density, and formic acid production rate, demonstrating great potential for practical applications.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Hao Jiang, Lizhang Wang, Yiran Li, Bai Gao, Yadan Guo, Chunpei Yan, Mengning Zhuo, Huidong Wang, Shijie Zhao
Summary: This study developed a facile strategy to obtain Bi catalysts with a hexagonal sheet structure on copper foil, showing high efficiency for formate production and stability in CO2 reduction. The sharp edges and corner sites of the catalyst provided numerous surface-active sites, increasing electrical conductivity and local electric field intensities of the surface electrode.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Jinkyu Lim, Angel T. Garcia-Esparza, Jae Won Lee, Gihun Kang, Sangyong Shin, Sun Seo Jeon, Hyunjoo Lee
Summary: The selectivity of CO2 reduction to formic acid can be enhanced by synthesizing Sn-Cu@Sn dendrites with a core@shell architecture, showing great potential for large-scale applications.
Article
Chemistry, Multidisciplinary
Guoqian Chen, Dingding Ye, Rong Chen, Jun Li, Xun Zhu, Qiang Liao
Summary: The study involves depositing Sn nanoparticles on copper nanowires to create a Sn/Nano-Cu electrode for the electroreduction of CO2 to formate, showing high Faradaic efficiency and formate production rate under specific potential. The excellent electrochemical reduction performance is attributed to the large electroactive surface area and low charge transfer resistance of the Sn/Nano-Cu electrode, which also demonstrates good stability during testing.
JOURNAL OF CO2 UTILIZATION
(2021)
Article
Environmental Sciences
Jing Xue, Xiangmin Fu, Shuo Geng, Keliang Wang, Ziwei Li, Min Li
Summary: Design of Bi- and Sn-anchored CeO2 nanorods catalysts with controllable valence state and oxygen vacancy concentration enhances the efficiency of electrocatalytic CO2 reduction reaction (CO2RR) to produce formate. The m-Bi1Sn2Ox/CeO2 catalyst achieves remarkable formate Faradaic efficiency (FEformate) of 87.7% at -1.18 V vs. RHE, attributing to its highest surface Sn2+ concentration. The design provides an interesting approach for efficient CO2RR catalysts via valence state and oxygen vacancy concentration control.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Chemistry, Multidisciplinary
Yan Tian, Da Li, Jing Wu, Jia Liu, Chao Li, Guohong Liu, Dahong Chen, Yujie Feng
Summary: A nano-dendrite Bi film electrode was prepared through a one-step electrodeposition method, showing superior catalytic activity and stability in CO2 electroreduction due to its thorn-like structure with abundant active sites and Bi-O structure for CO2 adsorption and activation.
JOURNAL OF CO2 UTILIZATION
(2021)
Article
Chemistry, Physical
Maolin Zhang, Zedong Zhang, Zhenghang Zhao, Hao Huang, Dalaver H. Anjum, Dingsheng Wang, Jr-hau He, Kuo-Wei Huang
Summary: Cu-Sn composite catalysts can be designed to selectively produce formate or CO by varying the Cu/Sn composition, thanks to the critical existence of small amounts of Cu or Sn single atoms in the catalysts.
Article
Chemistry, Multidisciplinary
Le Li, Xuan Jin, Xiaohan Yu, Miao Zhong
Summary: In this work, homogeneously alloyed Cu1-xBix bimetallic catalysts were fabricated via physical vapor deposition, demonstrating excellent electrical conductivity over a large area. The Cu-Bi catalysts were found to significantly suppress the competing H-2 evolution reaction and enhance the selectivity of CO2 reduction to formate. The catalysts exhibited high formate Faradaic efficiency and cathodic energy efficiency at a lower cathodic potential, and maintained stability at a certain current density.
FRONTIERS IN CHEMISTRY
(2022)
Article
Engineering, Chemical
Baoxing Ning, Qiucheng Xu, Miaomiao Liu, Hao Jiang, Yanjie Hu, Chunzhong Li
Summary: In this study, atomically thin bismuthene nanosheets with rich and stabilized Bi-O bonds were successfully synthesized and utilized as catalysts for CO2 electroreduction to formate. The catalyst exhibited high Faraday efficiency and cathodic energy efficiency over a wide current range.
CHEMICAL ENGINEERING SCIENCE
(2022)
Article
Chemistry, Physical
Jiayu Li, Jinxia Li, Xianglin Liu, Jiacheng Chen, Pengfei Tian, Sheng Dai, Minghui Zhu, Yi-Fan Han
Summary: The study revealed that the active sites of Bi, Sn, and In catalysts are Bi-0, SnO, and In2O3, with their affinities to hydroxyls in the order of Bi-0 < SnO < In2O3. Formate production involves two parallel pathways, one involving hydroxyls and the other not. The participation of hydroxyl groups in CO2RR follows the order of Bi < Sn < In.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Multidisciplinary
Jiajun Wang, Xuerong Zheng, Guangjin Wang, Yanhui Cao, Wenlong Ding, Jinfeng Zhang, Han Wu, Jia Ding, Huilin Hu, Xiaopeng Han, Tianyi Ma, Yida Deng, Wenbin Hu
Summary: The study found that CuInSe2 can exhibit catalytic features similar to Au, achieving high selectivity in CO production through electron redistribution induced by Se vacancies and optimizing the CO2RR pathway. This suggests that designing cost-effective catalysts with noble-metal-like properties is an ideal strategy for developing efficient electrocatalysts.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
R. Chen, D. Chen, Y. Xiao
Summary: This study focuses on the theoretical scanning of bimetallic alloys for nitrogen reduction into ammonia. It shows that PdAu and CuSn bimetallic alloy catalysts have a relatively low limiting potential and activation barrier for this reaction, compared to others. The NiCe bimetallic alloy catalyst also exhibits a low activation energy, providing promising guidance for designing efficient N-2 reduction reaction catalysts.
MATERIALS TODAY ENERGY
(2021)
Article
Chemistry, Physical
Yijie Wang, Yuke Chen, Yiwei Zhao, Jiayuan Yu, Zhen Liu, Yujie Shi, Hong Liu, Xiao Li, Weijia Zhou
Summary: Research shows that synthesizing Cu6Sn5 alloy using laser irradiation can improve the efficiency and stability of CO2 electroreduction reaction. Laser drilling further increases the current density and stable formate production efficiency, which is attributed to appropriate binding energy of the intermediates and the channels of the electrode.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Electrochemistry
Qinian Wang, Yongli Wu, Chaoqun Zhu, Run Xiong, Yujie Deng, Xinyi Wang, Chao Wu, Hongbing Yu
Summary: The study introduces a novel Sn-based GDE electrode (IE-Sn) for electroreduction of CO2 to formate, showing excellent performance in electron and ion transport, as well as Faradaic efficiency. It provides design rules for high-performance electrode materials in ERCF.
ELECTROCHIMICA ACTA
(2021)
Article
Chemistry, Applied
Behnam Nourmohammadi Khiarak, Adam Fell, Nirmal Anand, Sharif Md. Sadaf, Cao-Thang Dinh
Summary: In this study, highly selective Sn-based catalysts for electrochemical reduction of CO2 to formate at high current densities were developed. The catalysts showed stable performance and extended operation time using an in-situ catalyst regeneration strategy.
