Bi Doped In2O3 Nanofiber for Efficient Electrocatalytic CO2 Reduction DOI

Yuanxiang Zhao,

Xinchun Lv,

Zifan Zhu

et al.

ChemCatChem, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 9, 2024

Abstract Electrocatalytic carbon dioxide reduction reaction (CO 2 RR) to formic acid (HCOOH) is attracted for superfluous CO removal and HCOOH production under ambient conditions. Indium‐based catalysts has considered as a good candidate material RR due their environmentally friendly features. However, the catalytic efficiency limited by poor Faradaic (FE) high overpotential of electrocatalyst, activity stability indium‐based are unsatisfactory, especially in industrial current density that critical commercialization. Herein, fiber Bi‐doped In O 3 was synthesized through electrospinning method, it demonstrate FE 88.2% at −1.5 V versus RHE (reversible hydrogen electrode) with partial −21.8 mA cm −2 H type cell. Specially, Bi‐In electrocatalyst also reach standard, which can work −400 92.7% (yield 6.9 mmol h −1 ) home‐made Flow Importantly, shows 24 long‐term test −300 . The improvement catalyst ascribed optimized electronic structure site, reduced function value beneficial reducing formation energy key *OCHO intermediates.

Language: Английский

Hydroxide-Oxide-Sulfur-Stabilized Bismuth Nanorod Conversion: Selective Induction of the Electrochemical Reduction of CO2 to Formate DOI

Naveenkumar Palanimuthu,

Ramasamy Santhosh Kumar,

Saleem Sidra

et al.

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 14, 2025

The electrochemical CO2 reduction reaction (e-CO2RR) converts value-added chemicals into formate. Bismuth-based resources exhibit promising potential in the of to formate due their low toxicity and ability enhance *OCHO intermediate pathway. However, there are numerous hurdles optimizing activity applicability. Here, we describe assembly structurally stable bismuth hydroxide, oxide, sulfide nanorods supported by a reduced graphene oxide (rGO) nanosheet through simple hydrothermal method. obtained optimized rGO-Bi2S3 improved e-CO2RR conversions H-cell systems compared hydroxide electrocatalysts. maintain high within wide window (−0.76 −1.26 V vs RHE) obtain overall Faradaic efficiency ±84% at −1.16 RHE, current density ±41.50 mA cm–2, stability for longer than 12 h, with greater ±86% an system. Theoretical calculations reveal that strong interaction between rGO Bi2S3 stabilizes adsorption e-CO2RR. resulting structural transformation based on sulfur, provides encouraging avenue future energy conversion.

Language: Английский

Citations

0
Synergistic Acceleration of CO2 Electroreduction Kinetics by Oxygen Vacancy and Heterogeneous Interface for Efficient HCOOH Production DOI Open Access
Kaihua Liu, Peiyao Lin, Jing Li

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 7, 2025

Abstract Constructing highly efficient bismuth (Bi)‐based catalysts to accelerate the sluggish kinetic process of CO 2 electroreduction HCOOH is crucial for promoting its practical application but also challenging. Herein, cerium oxide catalyst integrated with dual active centers oxygen vacancy and heterogeneous interface fabricated facilitate reduction enhance performance. It revealed that introduction endows a remarkably enhanced adsorption capacity facilitates transfer more electrons * . Furthermore, it even steers reaction pathway favorably toward production. The optimization adsorption, activation, energy barriers expedited HCOOH. As expected, this exhibits catalytic performance Faradaic efficiency 97% at current density 300 mA cm −2 This work highlights significant synergistic advantages vacancies interfaces in optimizing molecular process.

Language: Английский

Citations

0
Research progress on the reaction mechanism, metal-based catalysts, and reactors for CO2 electroreduction to formic acid/formate DOI

Huichang Liang,

Yankun Li, Zhichao Miao

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116547 - 116547

Published: April 1, 2025

Language: Английский

Citations

0
Advances and challenges in the electroreduction of carbon dioxide in acidic electrolyte DOI
Chenglong Wang,

Wangjiang Gao,

Hexing Yang

et al.

Journal of Energy Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

Language: Английский

Citations

0
Pulsed Electrocatalysis on SnO2 Electrodes for Boosting Formate Selectivity and Activity during CO2 Electroreduction DOI

Yihang Yang,

Jieshu Zhou, Zhouhang Li

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: May 13, 2025

Abstract Tin oxide (SnO 2 ) is considered a candidate catalyst for the electrocatalytic CO reduction (CO R) to formate conversion. However, self‐reduction of SnO metallic Sn at high current densities leads an unavoidable sharp decrease in selectivity. Herein, ‐based (Pul‐SnO synthesized via pulsed electrocatalysis precursors. Due ability maintain oxidation valence states and promote formation oxygen vacancies, Pul‐SnO exhibited selectivity 90% density 600 mA cm −2 , significantly higher than that conventional Sn‐based (81% 100 obtained constant potential electrocatalysis. The situ Raman spectra, kinetic isotope effect, cyclic voltammetry, theoretical calculations demonstrated molecules activation vacancies enhance water dissociation, thereby accelerating proton‐coupled electron transfer process reduce free energy *OCHO intermediate generation. Moreover, identified adsorbed hydroxyls (*OH) with suitable coverage during R also further make more energy‐favorable. As result, showed super formate, while maintaining excellent activity stability.

Language: Английский

Citations

0
Bi Doped In2O3 Nanofiber for Efficient Electrocatalytic CO2 Reduction DOI

Yuanxiang Zhao,

Xinchun Lv,

Zifan Zhu

et al.

ChemCatChem, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 9, 2024

Abstract Electrocatalytic carbon dioxide reduction reaction (CO 2 RR) to formic acid (HCOOH) is attracted for superfluous CO removal and HCOOH production under ambient conditions. Indium‐based catalysts has considered as a good candidate material RR due their environmentally friendly features. However, the catalytic efficiency limited by poor Faradaic (FE) high overpotential of electrocatalyst, activity stability indium‐based are unsatisfactory, especially in industrial current density that critical commercialization. Herein, fiber Bi‐doped In O 3 was synthesized through electrospinning method, it demonstrate FE 88.2% at −1.5 V versus RHE (reversible hydrogen electrode) with partial −21.8 mA cm −2 H type cell. Specially, Bi‐In electrocatalyst also reach standard, which can work −400 92.7% (yield 6.9 mmol h −1 ) home‐made Flow Importantly, shows 24 long‐term test −300 . The improvement catalyst ascribed optimized electronic structure site, reduced function value beneficial reducing formation energy key *OCHO intermediates.

Language: Английский

Citations

2