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Journal articles on the topic 'CO2 reduction and conversion'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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1

Camarillo, Rafael. "Nanomaterials Toward CO2 Reduction and Conversion." Nanomaterials 14, no. 20 (2024): 1676. http://dx.doi.org/10.3390/nano14201676.

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2

Ju, Fengyang, Jinjin Zhang, and Weiwei Lu. "Efficient Electrochemical Reduction of CO2 to CO in Ionic Liquid/Propylene Carbonate Electrolyte on Ag Electrode." Catalysts 10, no. 10 (2020): 1102. http://dx.doi.org/10.3390/catal10101102.

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The electrochemical reduction of CO2 is a promising way to recycle it to produce value-added chemicals and fuels. However, the requirement of high overpotential and the low solubility of CO2 in water severely limit their efficient conversion. To overcome these problems, in this work, a new type of electrolyte solution constituted by ionic liquids and propylene carbonate was used as the cathodic solution, to study the conversion of CO2 on an Ag electrode. The linear sweep voltammetry (LSV), Tafel characterization and electrochemical impedance spectroscopy (EIS) were used to study the catalytic
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3

Oh, Seonhwa, Hyanjoo Park, Hoyoung Kim, et al. "Fabrication of Large Area Ag Gas Diffusion Electrode via Electrodeposition for Electrochemical CO2 Reduction." Coatings 10, no. 4 (2020): 341. http://dx.doi.org/10.3390/coatings10040341.

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For the improvement for the commercialization of electrochemical carbon dioxide (CO2) conversion technology, it is important to develop a large area Ag gas diffusion electrode (GDE), that exhibits a high electrochemical CO2 conversion efficiency and high cell performance in a membrane electrode assembly (MEA)-type CO2 electrolyzer. In this study, the electrodeposition of Ag on a carbon-paper gas diffusion layer was performed to fabricate a large area (25.5 and 136 cm2) Ag GDE for application to an MEA-type CO2 electrolyzer. To achieve uniformity throughout this large area, an optimization of t
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4

Zhou, Yuheng, Yingtao Yang, Xiaohui Wang, Hui Deng, Yuntao Hu, and Linfang Lu. "Investigating efficient photothermal conversion towards CO2 reduction." Energy Conversion and Management 291 (September 2023): 117246. http://dx.doi.org/10.1016/j.enconman.2023.117246.

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5

Saliev, A. N., V. B. Il'in, M. A. Timokhina, A. V. Dul'nev, A. P. Savost'yanov, and R. E. Yakovenko. "Catalytic reduction of carbon dioxide on industrial catalysts." Kataliz v promyshlennosti 24, no. 3 (2024): 6–15. http://dx.doi.org/10.18412/1816-0387-2024-3-6-15.

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The applicability of some industrial catalysts for the process of carbon dioxide conversion into synthesis gas has been evaluated process of carbon dioxide conversion into synthesis gas. For the study were chosen catalysts on the basis of transition metals (Fe, Ni, Co) and Cu, used in large-tonnage hydrogenation processes and synthesis-gas technology: NIAP-03-01 (catalyst for steam conversion of hydrocarbon gases), NIAP-06-06 (catalyst for low-temperature conversion of CO), AmoMax 10 (catalyst for ammonia synthesis), Co-Al2O3 /SiO2 (catalyst for synthesis of hydrocarbons by Fischer–Tropsch met
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6

Kuntyi, Оrest, Galyna Zozulya, and Mariana Shepida. "CO2 Electroreduction in Organic Aprotic Solvents: A Mini Review." Journal of Chemistry 2022 (July 31, 2022): 1–12. http://dx.doi.org/10.1155/2022/1306688.

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An annual increase of CO2 concentrations in the atmosphere causes global environmental problems, addressed by systematic research to develop effective technologies for capturing and utilizing carbon dioxide. Electrochemical catalytic reduction is one of the effective directions of CO2 conversion into valuable chemicals and fuels. The electrochemical conversion of CO2 at catalytically active electrodes in aqueous solutions is the most studied. However, the problems of low selectivity for target products and hydrogen evolution are unresolved. Literature sources on CO2 reduction at catalytically
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7

Kenis, Paul, and Saket Bhargava. "Prospects of Electrifying Chemical Manufacturing through Co-Conversion." ECS Meeting Abstracts MA2022-01, no. 56 (2022): 2337. http://dx.doi.org/10.1149/ma2022-01562337mtgabs.

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Over the next few decades the chemical industry will need to reduce drastically the greenhouse gas emissions footprint associated with the manufacturing of chemicals and fuels. Electrifying manufacturing of some intermediates or products holds promise to help meet this challenge. While techno-economic (TEA) and life-cycle (LCA) analyses of the electrochemical reduction of CO2 to products such as CO, formic acid, ethylene, and ethanol indicate their promise, these also highlight the challenge to compete in terms of cost with present day chemical conversion processes operated at scale [1]. This
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8

Iguchi, Shoji, Shimpei Naniwa, and Kentaro Teramura. "(Invited) Modification of Photocatalyst Surface for Selective Conversion of CO2." ECS Meeting Abstracts MA2024-02, no. 59 (2024): 3930. https://doi.org/10.1149/ma2024-02593930mtgabs.

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Catalytic conversion of CO2 into valu-added products such as CO, HCOOH, HCHO, CH3OH, and CH4 is attracting great attentions as a promising technique for carbon neutrality. In the conventional heterogeneous catalytic processes for the CO2 conversion, it is necessary to use a reducing reagent such as H2 or hydrocarbons under high-temperature conditions. However, the photocatalytic conversion of CO2, regarded as an artificial photosynthesis, mainly use H2O as a more favorable reductant. Among many reported photocatalysts for the conversion of CO2 using H2O as a reductant, number of photocatalysts
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9

Papangelakis, Panagiotis, Rui Kai Miao, Ruihu Lu, et al. "SO2-Tolerant Electrocatalytic Reduction of CO2 from Simulated Industrial Flue Gas." ECS Meeting Abstracts MA2023-02, no. 47 (2023): 2403. http://dx.doi.org/10.1149/ma2023-02472403mtgabs.

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The electrochemical reduction of CO2 using copper-based electrocatalysts offers a route to produce high-value multicarbon (C2+) products from renewable electricity (Nat. Catal. 4, 952-958 (2021); Nature 614, 262-269 (2023)). To date, the efficient electrocatalytic conversion of CO2 to multicarbon products has only been possible when using impurity-free CO2 sources, such as from direct air capture. The generation of such high-grade CO2 streams is expensive, accounting for almost half of the total energy required for both capture and electroreduction processes (Nat. Catal. 4, 952-958 (2021)). Co
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10

Wang, Qi, Tianshuang Bao, Xiangchuan Zhao, et al. "Bi/CeO2–Decorated CuS Electrocatalysts for CO2-to-Formate Conversion." Molecules 29, no. 13 (2024): 2948. http://dx.doi.org/10.3390/molecules29132948.

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The electrocatalytic carbon dioxide (CO2) reduction reaction (CO2RR) is extensively regarded as a promising strategy to reach carbon neutralization. Copper sulfide (CuS) has been widely studied for its ability to produce C1 products with high selectivity. However, challenges still remain owing to the poor selectivity of formate. Here, a Bi/CeO2/CuS composite was synthesized using a simple solvothermal method. Bi/CeO2–decorated CuS possessed high formate selectivity, with the Faraday efficiency and current density reaching 88% and 17 mA cm−2, respectively, in an H-cell. The Bi/CeO2/CuS structur
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11

Barcelos, Marcela Miranda, Maria de Lourdes Soprani Vasconcellos, and Josimar Ribeiro. "Recent Progress in Electrochemical CO2 Reduction at Different Electrocatalyst Materials." Processes 12, no. 2 (2024): 303. http://dx.doi.org/10.3390/pr12020303.

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Given the environmental problems caused by burning fossil fuels, it is believed that converting carbon dioxide (CO2) into chemical inputs is a great ally to generating clean energy. In this way, investigative studies related to electrochemical CO2 reduction (CO2RE) concerning the behavior of metal catalysts have received attention about the processes involved. CO2RE can be an important tool to mitigate the presence of this gas in the Earth’s atmosphere. Given these considerations, in this review, we report the main catalysts used to act as CO2RE. Among them, we emphasize catalysts based on Ni,
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12

Teramura, Kentaro. "(Invited) Efficient Photocatalytic CO Production from CO2 and H2O By the Aid of Artificial Photosynthesis." ECS Meeting Abstracts MA2018-01, no. 31 (2018): 1836. http://dx.doi.org/10.1149/ma2018-01/31/1836.

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The reduction in human-induced emissions of CO2 from automobiles, factories, power stations, etc., over the next 15 years is currently one of the most important issues facing the planet. We should therefore attempt to develop industrial processes using CO2 as a feedstock in order to build a sustainable society in the near future. Photocatlaytic conversion of CO2 has recently drawn increased attention due to allowing direct solar-to-chemical energy conversion. If H2O does function as the electron donor, then it is important to obtain a stoichiometric ratio between the amount of O2 evolved and t
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13

Liu, Wang, Liu, et al. "Recent Advances in MOF-based Nanocatalysts for Photo-Promoted CO2 Reduction Applications." Catalysts 9, no. 8 (2019): 658. http://dx.doi.org/10.3390/catal9080658.

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The conversion of CO2 to valuable substances (methane, methanol, formic acid, etc.) by photocatalytic reduction has important significance for both the sustainable energy supply and clean environment technologies. This review systematically summarized recent progress in this field and pointed out the current challenges of photocatalytic CO2 reduction while using metal-organic frameworks (MOFs)-based materials. Firstly, we described the unique advantages of MOFs based materials for photocatalytic reduction of CO2 and its capacity to solve the existing problems. Subsequently, the latest research
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14

Li, Xuanzhen, Jing Xiong, Zhiling Tang, et al. "Recent Progress in Metal Oxide-Based Photocatalysts for CO2 Reduction to Solar Fuels: A Review." Molecules 28, no. 4 (2023): 1653. http://dx.doi.org/10.3390/molecules28041653.

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One of the challenges in developing practical CO2 photoconversion catalysts is the design of materials with a low cost, high activity and good stability. In this paper, excellent photocatalysts based on TiO2, WO3, ZnO, Cu2O and CeO2 metal oxide materials, which are cost-effective, long-lasting, and easy to fabricate, are evaluated. The characteristics of the nanohybrid catalysts depend greatly on their architecture and design. Thus, we focus on outstanding materials that offer effective and practical solutions. Strategies to improve CO2 conversion efficiency are summarized, including heterojun
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15

Lin, Jinliang, Rongying Liao, Li Li, et al. "Bulky Ligand-Induced Hindrance in Photocatalytic CO2 Reduction over Various Tris(bipyridine)cobalt(II) Chloride Complexes." Molecules 30, no. 12 (2025): 2573. https://doi.org/10.3390/molecules30122573.

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Photocatalytic CO2 conversion is one of the ideal approaches to address both topics of solar energy shortage and carbon neutrality. Cobalt(II) centers coordinated with bipyridines have been designed and evaluated as catalysts for CO2 conversion under light irradiation. Herein, we report a series of pyridine-based cobalt complexes with alkyl substituents as molecular photocatalysts, aiming to elucidate the effects of alkyl type and substitution position on catalytic performance through spectroscopic and electrochemical measurements. The substitution of the hydrogen at 4,4′-positions on the bipy
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16

Tian, Jindan, Ru Han, Qiangsheng Guo, Zhe Zhao, and Na Sha. "Direct Conversion of CO2 into Hydrocarbon Solar Fuels by a Synergistic Photothermal Catalysis." Catalysts 12, no. 6 (2022): 612. http://dx.doi.org/10.3390/catal12060612.

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Photothermal coupling catalysis technology has been widely studied in recent years and may be a promising method for CO2 reduction. Photothermal coupling catalysis can improve chemical reaction rates and realize the controllability of reaction pathways and products, even in a relatively moderate reaction condition. It has inestimable value in the current energy and global environmental crisis. This review describes the application of photothermal catalysis in CO2 reduction from different aspects. Firstly, the definition and advantages of photothermal catalysis are briefly described. Then, diff
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17

Atzori, Luciano, Elisabetta Rombi, Daniela Meloni, Roberto Monaci, Maria Franca Sini, and Maria Giorgia Cutrufello. "Nanostructured Ni/CeO2–ZrO2 Catalysts for CO2 Conversion into Synthetic Natural Gas." Journal of Nanoscience and Nanotechnology 19, no. 6 (2019): 3269–76. http://dx.doi.org/10.1166/jnn.2019.16612.

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NiO–CeO2–ZrO2 mixed oxides, with Ni/(Ce + Zr) = 1 mol/mol and different Ce/Zr molar ratios, were prepared by the soft-template method. The chemical composition, texture, structure, and redox features of the synthesized systems were investigated by different techniques. All samples were nanocrystalline (NiO nanocrystal average size 4 nm) and had high surface area and quite an ordered mesoporous system. The catalytic performances in the CO2 conversion into methane were studied at atmospheric pressure, 300 °C, and stoichiometric H2/CO2 molar ratio. Prior to reaction the catalysts were submitted t
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18

Pradhan, Manas Ranjan, Braja B Nanda, and Binita Nanda. "The Graphitic Carbon Nitride (g-C3N4): A Promising Material for Photocatalytic CO2 Reduction." ECS Transactions 107, no. 1 (2022): 18619–28. http://dx.doi.org/10.1149/10701.18619ecst.

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The excess use of fossil fuel and rapid industrialization increase of CO2 level in the atmosphere. Efficient conversion of CO2 to value added chemicals and fuels are the best method to reduce CO2 level as well as to maintain sustainability. To overcome the kinetic and thermodynamic barrier in CO2, a suitable heterostructure composite is necessary. Among different types of materials carbon based materials and their composites are shown their suitability electrochemical, thermal and photo-assisted method of CO2 conversion. Among different carbon based materials, graphitic carbon nitrite (g-C3N4)
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19

Kholin, Kirill V., Mikhail N. Khrizanforov, Vasily M. Babaev, et al. "A Water-Soluble Sodium Pectate Complex with Copper as an Electrochemical Catalyst for Carbon Dioxide Reduction." Molecules 26, no. 18 (2021): 5524. http://dx.doi.org/10.3390/molecules26185524.

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A selective noble-metal-free molecular catalyst has emerged as a fruitful approach in the quest for designing efficient and stable catalytic materials for CO2 reduction. In this work, we report that a sodium pectate complex of copper (PG-NaCu) proved to be highly active in the electrocatalytic conversion of CO2 to CH4 in water. Stability and selectivity of conversion of CO2 to CH4 as a product at a glassy carbon electrode were discovered. The copper complex PG-NaCu was synthesized and characterized by physicochemical methods. The electrochemical CO2 reduction reaction (CO2RR) proceeds at −1.5
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20

Xie, Yi, Dong Liu, and Qiang Li. "Multiscale simulation on electrochemical CO2 reduction in gas-diffusion-electrode-based flow electrolyzer." E3S Web of Conferences 466 (2023): 01001. http://dx.doi.org/10.1051/e3sconf/202346601001.

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To respond to the goal of "carbon peaking and carbon neutrality", this paper establishes a multiphysics macroscopic model of a flow electrolyzer based on a gas diffusion electrode in the context of electrocatalytic CO2 reduction and combines the established microscopic model of Ag-based catalytic surface density function theory and mesoscopic model of transition state theory to realize the multiscale coupling of electroreduction of CO2 in a flow electrolyzer. The experimental system of CO2 reduction in a flow electrolyzer is designed and built to verify the reliability of the theoretical calcu
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21

Ebrahimi, Parisa, Anand Kumar, and Majeda Khraisheh. "A Review of CeO2 Supported Catalysts for CO2 Reduction to CO through the Reverse Water Gas Shift Reaction." Catalysts 12, no. 10 (2022): 1101. http://dx.doi.org/10.3390/catal12101101.

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The catalytic conversion of CO2 to CO by the reverse water gas shift (RWGS) reaction followed by well-established synthesis gas conversion technologies could be a practical technique to convert CO2 to valuable chemicals and fuels in industrial settings. For catalyst developers, prevention of side reactions like methanation, low-temperature activity, and selectivity enhancements for the RWGS reaction are crucial concerns. Cerium oxide (ceria, CeO2) has received considerable attention in recent years due to its exceptional physical and chemical properties. This study reviews the use of ceria-sup
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22

Iguchi, Shoji, Kio Kawata, Masamu Nishimoto, Shimpei Naniwa, and Kentaro Teramura. "(Invited) CO2 Conversion Using Semiconductor Photocatalysts Modified with Ag Co-Catalyst by Ultrasonic Reduction Method." ECS Meeting Abstracts MA2025-01, no. 16 (2025): 1221. https://doi.org/10.1149/ma2025-01161221mtgabs.

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Photocatalytic conversion of CO2 has been highly attracting the world-wide attentions among many approaches to convert CO2 into value-added products such as CO, HCOOH, CH3OH and CH4 due to its renewability, harmlessness, relatively low cost, and stability. Among many reported photocatalysts for the conversion of CO2 with H2O as a reductant, number of photocatalysts is limited to those which satisfy the following requirements: (i) carbon source of the reduction products of CO2 is confirmed using 13C isotope labeled CO2, (ii) selectivity toward the reduction products of CO2 is above 50%, and (ii
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Hu, Leiming, Fry Intia, Jacob A. Wrubel, et al. "(Invited) Development of Energy-Efficient and Scalable Electrochemical Devices for CO2 to Formate Conversion." ECS Meeting Abstracts MA2023-01, no. 26 (2023): 1697. http://dx.doi.org/10.1149/ma2023-01261697mtgabs.

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CO2 electrochemical reduction to useful chemicals has drawn significant interest over the past decade, as the technology shows promising potential for coupling with renewable energies and helping reduce the overall CO2 emission.1 Among different CO2 reduction (CO2R) end products, formate has some economic advantages because it is easier for downstream separation as a liquid product, and has many applications, such as hydrogen storage 2 and biomass conversion3. Several studies have shown that using SnO2 or Bi-based catalyst, the Faradaic efficiency (FE) for CO2 to formic acid/formate can be hig
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24

RAO, PRIYANKA KUNWAR, RAKSHIT AMETA, SATISH K. AMETA, and SURESH C. AMETA. "USE OF GRAPHITIC CARBON NITRIDE – CDS – BIVO4 COMPOSITE FOR PHOTOCATALYTIC REDUCTION OF SODIUM CARBONATE TO FORMIC ACID." Asian Journal of Microbiology, Biotechnology & Environmental Sciences 26, no. 04 (2024): 477–83. https://doi.org/10.53550/ajmbes.2024.v26i04.005.

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The conversion of CO2 into valuable chemicals and fuels serves as a promising route for mitigating the greenhouse effect of CO2 and meeting energy demands. The carbon atom in CO2 molecule exhibits the highest oxidation state and CO2 itself with the C–O bond strength of 364 kJ/mol is chemically stable, so it is difficult to be activated and requires a large amount of energy to undergo conversion. In general, the reduction of CO2 can be carried out by chemical methods, including catalyzed hydrogenation reduction, photocatalytic reduction, thermochemical reduction, electrochemical reduction etc.
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25

Spurgeon, Joshua M., Manu Gautam, and Robert Nielsen. "Heterogeneously Catalyzed Electrochemical Reduction of Imidazolium Carboxylates for Insight into Reactive CO2 Capture." ECS Meeting Abstracts MA2025-01, no. 41 (2025): 2247. https://doi.org/10.1149/ma2025-01412247mtgabs.

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Reactive carbon capture (RCC) is an interesting approach for electrochemical CO2 conversion in which the CO2 is absorbed from a dilute source in a functional solvent and directly reduced from the bound CO2-sorbent form. If done effectively, RCC would allow the conversion of CO2 from realistic dilute sources without the added expense and energy losses for a separate concentration and purification step. Imidazolium-based functional solvents, including certain ionic liquids, are one promising route to absorb CO2 and still enable its conversion. When CO2 binds to the carbene form of imidazolium, i
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26

Mandad, Tanushree, Surabhi Chaubey, and Vaishnavi Chaubey. "Eco-friendly conversion of carbon dioxide into solar fuels via artificial photosynthetic routes: A review." Main Group Chemistry 24, no. 1 (2024): 3–16. https://doi.org/10.1177/10241221241284927.

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The greenhouse gas carbon dioxide (CO2) affects the environment drastically. Nowadays, the reduction of the CO2 level from the environment is a challenging task for researchers. Solar light-driven CO2 reduction via artificial photocatalysis is an auspicious method for achieving carbon neutrality. In the last few decades, a lot of research work has been done for photocatalytic CO2 reduction via photo-electrochemical and electrochemical methods. Herein, we summarise the recent advances in photocatalyst-biocatalyst coupled artificial photosynthetic systems for CO2 reduction and solar chemical pro
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27

Amanchukwu, Chibueze. "Understanding Carbon Dioxide Electrochemical Reduction in Aprotic Solvents." ECS Meeting Abstracts MA2023-01, no. 26 (2023): 1694. http://dx.doi.org/10.1149/ma2023-01261694mtgabs.

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Carbon dioxide (CO2) conversion is vital because it provides a pathway to efficiently valorize CO2 and incentivize CO2 capture. Electrocatalytic CO2 conversion is of great interest because it is scalable and can be done at ambient temperature and pressure. However, these reactions are typically performed in water which suffers from undesired hydrogen evolution reaction (HER) from water breakdown. Furthermore, catalyst selection is often determined by the ability of the catalyst to favor CO2RR over HER. Aprotic nonaqueous electrolytes can suppress HER and enable a wider range of catalysts for C
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Leung, Chi-Fai, and Pui-Yu Ho. "Molecular Catalysis for Utilizing CO2 in Fuel Electro-Generation and in Chemical Feedstock." Catalysts 9, no. 9 (2019): 760. http://dx.doi.org/10.3390/catal9090760.

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Processes for the conversion of CO2 to valuable chemicals are highly desired as a result of the increasing CO2 levels in the atmosphere and the subsequent elevating global temperature. However, CO2 is thermodynamically and kinetically inert to transformation and, therefore, many efforts were made in the last few decades. Reformation/hydrogenation of CO2 is widely used as a means to access valuable products such as acetic acids, CH4, CH3OH, and CO. The electrochemical reduction of CO2 using hetero- and homogeneous catalysts recently attracted much attention. In particular, molecular CO2 reducti
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Cao, Yanwei, Qiongyao Chen, Chaoren Shen, and Lin He. "Polyoxometalate-Based Catalysts for CO2 Conversion." Molecules 24, no. 11 (2019): 2069. http://dx.doi.org/10.3390/molecules24112069.

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Polyoxometalates (POMs) are a diverse class of anionic metal-oxo clusters with intriguing chemical and physical properties. Owing to unrivaled versatility and structural variation, POMs have been extensively utilized for catalysis for a plethora of reactions. In this focused review, the applications of POMs as promising catalysts or co-catalysts for CO2 conversion, including CO2 photo/electro reduction and CO2 as a carbonyl source for the carbonylation process are summarized. A brief perspective on the potentiality in this field is proposed.
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Han, Danbee, Wonjun Cho, and Youngsoon Baek. "CO2 Methanation of Biogas over Ni-Mg-Al: The Effects of Ni Content, Reduction Temperature, and Biogas Composition." Catalysts 12, no. 9 (2022): 1054. http://dx.doi.org/10.3390/catal12091054.

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Biogas is mainly composed of CH4 and CO2, so it is used as an alternative energy to CH4 with high energy density by separating and removing CO2 from biogas. In addition, it can be utilized by producing synthesis gas (CO and H2) through thermal decomposition of biogas or by synthesizing CH4 by methanation of CO2. The technique of CO2 methanation is a method that can improve the CH4 concentration without CO2 separation. This study aims to produce more efficient methane through CO2 methanation of biogas over Ni-Mg-Al catalyst. So, the effect of Ni contents in catalyst, catalyst reduction temperat
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31

Dai, Huan, Hong Zhao, Siyuan Chen, and Biao Jiang. "A Microwave-Assisted Boudouard Reaction: A Highly Effective Reduction of the Greenhouse Gas CO2 to Useful CO Feedstock with Semi-Coke." Molecules 26, no. 6 (2021): 1507. http://dx.doi.org/10.3390/molecules26061507.

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The conversion of CO2 into more synthetically flexible CO is an effective and potential method for CO2 remediation, utilization and carbon emission reduction. In this paper, the reaction of carbon-carbon dioxide (the Boudouard reaction) was performed in a microwave fixed bed reactor using semi-coke (SC) as both the microwave absorber and reactant and was systematically compared with that heated in a conventional thermal field. The effects of the heating source, SC particle size, CO2 flow rate and additives on CO2 conversion and CO output were investigated. By microwave heating (MWH), CO2 conve
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Song, Jun, Hakhyeon Song, Beomil Kim, and Jihun Oh. "Towards Higher Rate Electrochemical CO2 Conversion: From Liquid-Phase to Gas-Phase Systems." Catalysts 9, no. 3 (2019): 224. http://dx.doi.org/10.3390/catal9030224.

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Electrochemical CO2 conversion offers a promising route for value-added products such as formate, carbon monoxide, and hydrocarbons. As a result of the highly required overpotential for CO2 reduction, researchers have extensively studied the development of catalyst materials in a typical H-type cell, utilizing a dissolved CO2 reactant in the liquid phase. However, the low CO2 solubility in an aqueous solution has critically limited productivity, thereby hindering its practical application. In efforts to realize commercially available CO2 conversion, gas-phase reactor systems have recently attr
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33

Fresno, F., P. Jana, P. Reñones, J. M. Coronado, D. P. Serrano, and V. A. de la Peña O'Shea. "CO2 reduction over NaNbO3 and NaTaO3 perovskite photocatalysts." Photochemical & Photobiological Sciences 16, no. 1 (2017): 17–23. http://dx.doi.org/10.1039/c6pp00235h.

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34

Ren, Shaoxuan, Dorian Joulié, Danielle Salvatore, et al. "Molecular electrocatalysts can mediate fast, selective CO2 reduction in a flow cell." Science 365, no. 6451 (2019): 367–69. http://dx.doi.org/10.1126/science.aax4608.

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Practical electrochemical carbon dioxide (CO2) conversion requires a catalyst capable of mediating the efficient formation of a single product with high selectivity at high current densities. Solid-state electrocatalysts achieve the CO2 reduction reaction (CO2RR) at current densities ≥ 150 milliamperes per square centimeter (mA/cm2), but maintaining high selectivities at high current densities and efficiencies remains a challenge. Molecular CO2RR catalysts can be designed to achieve high selectivities and low overpotentials but only at current densities irrelevant to commercial operation. We s
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35

Mhabrech, Siwar, and Guillaume Goubert. "Hybrid Plasmonic-Electrochemical Copper Nanocatalysts for Efficient CO2 Conversion." ECS Meeting Abstracts MA2025-01, no. 62 (2025): 3048. https://doi.org/10.1149/ma2025-01623048mtgabs.

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The urgent need for renewable energy sources, coupled with the escalating levels of CO2 emissions over recent decades, has intensified efforts to develop effective carbon dioxide utilization strategies. Converting CO2 into valuable chemicals and fuels emerges as a promising solution to mitigate the carbon footprint and promote sustainable use of this greenhouse gas, thereby contributing to a cleaner environment and advancing sustainable technologies. Among various catalysts investigated for CO2 reduction, copper (Cu) catalysts have garnered significant attention due to their ability to convert
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Rusdan, Nisa Afiqah, Sharifah Najiha Timmiati, Wan Nor Roslam Wan Isahak, Zahira Yaakob, Kean Long Lim, and Dalilah Khaidar. "Recent Application of Core-Shell Nanostructured Catalysts for CO2 Thermocatalytic Conversion Processes." Nanomaterials 12, no. 21 (2022): 3877. http://dx.doi.org/10.3390/nano12213877.

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Carbon-intensive industries must deem carbon capture, utilization, and storage initiatives to mitigate rising CO2 concentration by 2050. A 45% national reduction in CO2 emissions has been projected by government to realize net zero carbon in 2030. CO2 utilization is the prominent solution to curb not only CO2 but other greenhouse gases, such as methane, on a large scale. For decades, thermocatalytic CO2 conversions into clean fuels and specialty chemicals through catalytic CO2 hydrogenation and CO2 reforming using green hydrogen and pure methane sources have been under scrutiny. However, these
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37

Yu, Sunmoon, Hiroki Yamauchi, and Yang Shao-Horn. "Effect of Cations on Electrocatalytic CO2-to-Methanol Conversion by Heterogenized Molecular Catalyst." ECS Meeting Abstracts MA2023-01, no. 26 (2023): 1696. http://dx.doi.org/10.1149/ma2023-01261696mtgabs.

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Catalytic benefit and role of electrolyte cations for electrochemical CO2 reduction reaction have recently received significant research attention. It has been experimentally and theoretically demonstrated that cations can stabilize the key intermediate species, for example, *CO2 –, through mid- or short-range electrostatic interactions, facilitating the CO2 activation step.1-2 However, to date, these discussions are mostly limited to CO2-to-CO conversion (a two electron/proton transfer reaction) and electrostatic stabilization of reaction intermediate species. In present work, we show that ca
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38

Park, Subin, Devina Thasia Wijaya, Jonggeol Na, and Chan Woo Lee. "Towards the Large-Scale Electrochemical Reduction of Carbon Dioxide." Catalysts 11, no. 2 (2021): 253. http://dx.doi.org/10.3390/catal11020253.

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The severe increase in the CO2 concentration is a causative factor of global warming, which accelerates the destruction of ecosystems. The massive utilization of CO2 for value-added chemical production is a key to commercialization to guarantee both economic feasibility and negative carbon emission. Although the electrochemical reduction of CO2 is one of the most promising technologies, there are remaining challenges for large-scale production. Herein, an overview of these limitations is provided in terms of devices, processes, and catalysts. Further, the economic feasibility of the technology
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39

Liao, Yingxiang. "Research Progress on Electrocatalysts for Electrocatalytic Carbon Dioxide Reduction." E3S Web of Conferences 553 (2024): 01005. http://dx.doi.org/10.1051/e3sconf/202455301005.

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Electrochemical CO2 reduction reaction (CO2RR) is a vital strategy for achieving carbon neutrality by converting CO2 into high-energy-density, valuable chemical products, thereby facilitating carbon resource recycling and addressing environmental challenges. Herein, this paper emphasizes the role of CO2RR in diminishing the greenhouse effect through the transformation of CO2, with a particular focus on the latest advancements in Cu-based nanocatalysts, metal-organic framework (MOF)-based catalysts, and heteroatom-doped carbon materials, which are key innovations in achieving enhanced photoelec
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40

Pawar, Amol Uttam, Ignasia Handipta Mahardika, and Young Soo Kang. "(Invited) Solar CO2 Conversion into Liquid Fuels By Photoelectrochemical Approaches." ECS Meeting Abstracts MA2022-01, no. 36 (2022): 1566. http://dx.doi.org/10.1149/ma2022-01361566mtgabs.

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Photoelectrochemical (PEC) system for the reduction of CO2 into liquid fuels of formaldehyde/acetaldehyde, methanol and ethanol with trace amount of hydrogen gas bubbling have been described in the aspect of thermodynamics and kinetics of the CO2 reduction reaction to have efficient method by lowering activation energy of CO2 reduction on the electron transfer reaction and to do reduction potential tuning of CO2 reduction reaction for the selective reduction products. Ca/Fe doped TiO2 photoanode oxidizes water and generates the large amount of O2, electrons and protons. On the other side, rGO(
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Acuña-Girault, Adalberto, Ximena Gómez del Campo-Rábago, Marco Antonio Contreras-Ruiz, and Jorge G. Ibanez. "CO2 capture and conversion: A homemade experimental approach." Journal of Technology and Science Education 12, no. 2 (2022): 440. http://dx.doi.org/10.3926/jotse.1610.

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During the SARS-2-Covid pandemic our institution sought to continue the teaching and learning of experimental laboratories by designing, assembling, and delivering a microscale chemistry kit to the students´ homes. Thanks to this approach students were able to perform ~25 experiments during each one of the Fall 2020 and Spring 2021 semesters in an elective Electrochemistry and Corrosion course offered to Chemical Engineering undergraduates. In addition to performing traditional experiments, students were encouraged to design some of their own and have the entire group reproduce them. One of su
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Nguyen, Ngoc Phuong, Duy Khanh Phạm, and Manh Tuan Nguyen. "Photocatalytic CO2 reduction of Rhenium tricarbonyl complexes with high CO selectivity under visible light." E3S Web of Conferences 496 (2024): 01001. http://dx.doi.org/10.1051/e3sconf/202449601001.

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Visible-light-driven photocatalytic CO2 reduction can address climate change and energy short-age. Homogenous photocatalysis converted CO2 to value chemicals have a straightforward procedure synthesis and CO2 conversion mechanism. Rhenium complexes based on pyridyl-triazole work as efficient catalysts for CO2 reduction at room conditions and under visible light. Photo-catalytic measurements show Re(bpy-COOH) possesses the highest catalytic CO2 conversion activity, whereas Re(Hpytr) is the lowest catalytic activity. These complexes posses the high product selectively, which produce two gases CO
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Fan, Yisong, Chao Zhang, Shavkat Mamatkulov, Olim Ruzimuradov, and Jingxiang Low. "Semiconductor facet junctions for photocatalytic CO2 reduction." Pure and Applied Chemistry, June 24, 2022. http://dx.doi.org/10.1515/pac-2022-0204.

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Abstract Photocatalytic carbon dioxide (CO2) conversion has been recognized as one of the promising strategies for unraveling current environmental and energy problems attributed to the growing fossil fuel consumption of the human society because it can directly harness incident sunlight energy for converting waste CO2 into valuable compounds. Increasing attention has been provoked to the semiconductor facet junction photocatalysts due to their unique feature in enhancing the photogenerated electron–hole pair utilization toward improving the photocatalytic CO2 conversion performance. In the pa
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Ren, Yuqi, Yiwei Fu, Naixu Li, et al. "Concentrated solar CO2 reduction in H2O vapour with >1% energy conversion efficiency." Nature Communications 15, no. 1 (2024). http://dx.doi.org/10.1038/s41467-024-49003-8.

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AbstractH2O dissociation plays a crucial role in solar-driven catalytic CO2 methanation, demanding high temperature even for solar-to-chemical conversion efficiencies <1% with modest product selectivity. Herein, we report an oxygen-vacancy (Vo) rich CeO2 catalyst with single-atom Ni anchored around its surface Vo sites by replacing Ce atoms to promote H2O dissociation and achieve effective photothermal CO2 reduction under concentrated light irradiation. The high photon flux reduces the apparent activation energy for CH4 production and prevents Vo from depletion. The defects coordinated with
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Tian, Huaimin, Yao Xiao, Chao Yao, Taoli Huhe, and Xiazhang Li. "Construction of Laccase/CeO2/attapulgite nanocomposite for photoenzymatic catalytic CO2 reduction coupled with biomass oxidation." Chemical Communications, 2025. https://doi.org/10.1039/d4cc06356b.

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Herein, a photoenzymatic synergistic catalytic material, i.e. Laccase/CeO2/attapulgite, was prepared for simultaneous CO2 conversion and biomass conversion. Based on the synergistic effect of photoenzyme in the prepared composites, a remarkable...
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Xu, Changfan, Ping Hong, Yulian Dong, Marc Robert, Guosheng Shao, and Yong Lei. "Toward Complete CO2 Electroconversion: Status, Challenges, and Perspectives." Advanced Energy Materials, March 12, 2025. https://doi.org/10.1002/aenm.202406146.

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AbstractElectrocatalytic conversion of carbon dioxide (CO2) into valuable carbon‐based fuels and chemicals represents a promising approach to closing the carbon cycle and setting a circular economy. Nevertheless, for current electrocatalytic CO2 reduction reaction (ECO2RR) systems, realizing 100% CO2 conversion with simultaneously high overall CO2 conversion rate (i.e., single‐pass conversion) and high Faradaic efficiency (FE) remains a significant challenge. Enhancing CO2 conversion rate often results in a decrease in FE, conversely, improving FE may limit the CO2 conversion rate. Metal–CO2 (
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Nourmohammadi Khiarak, Behnam, Gelson T. S. T. da Silva, Valentine Grange, et al. "Macro‐ and Nano‐Porous Ag Electrodes Enable Selective and Stable Aqueous CO2 Reduction." Small, December 23, 2024. https://doi.org/10.1002/smll.202409669.

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AbstractElectrochemical carbon dioxide (CO2) reduction from aqueous solutions offers a promising strategy to overcome flooding and salt precipitation in gas diffusion electrodes used in gas‐phase CO2 electrolysis. However, liquid‐phase CO2 electrolysis often exhibits low CO2 reduction rates because of limited CO2 availability. Here, a macroporous Ag mesh is employed and activated to achieve selective CO2 conversion to CO with high rates from an aqueous bicarbonate solution. It is found that activation of Ag surface using oxidation/reduction cycles produces nanoporous surfaces that favor CO2‐to
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Long, Ying, Zhijie Chen, Lan Wu, et al. "Electrocatalytic CO2 Reduction to Alcohols: Progress and Perspectives." Small Science, June 11, 2024. http://dx.doi.org/10.1002/smsc.202400129.

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Utilizing renewable electricity for the electrocatalytic conversion of CO2 into alcohols represents a promising avenue for generating value‐added fuels and achieving carbon neutrality. Recently, there has been growing scientific interest in achieving high‐efficiency conversion of CO2 to alcohols, with significant advancements made in mechanism understanding, reactor design, catalyst development, and more. Herein, a thorough examination of the latest advances in electrocatalytic CO2 reduction reaction (CO2RR) to alcohols is provided. General mechanisms and pathways of electrocatalytic conversio
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Matsuda, Shofu, Misa Tanaka, and Minoru Umeda. "Energy conversion efficiency comparison of different aqueous and semi-aqueous CO2 electroreduction systems." Analytical Methods, 2022. http://dx.doi.org/10.1039/d2ay01087a.

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An energy conversion efficiency index, that is independent of the anode reaction performance, is proposed for CO2 reduction in aqueous and semi-aqueous systems. The energy conversion efficiency of CO2 reduction...
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Wu, An‐Guo, Jie Ding, Lan Zhao, Hong‐Ru Li, and Liang‐Nian He. "Reductive Transformation of CO2 to Organic Compounds." Chemical Record, November 9, 2024. http://dx.doi.org/10.1002/tcr.202400164.

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AbstractCarbon dioxide is a major greenhouse gas and a safe, abundant, easily accessible, and renewable C1 resource that can be chemically converted into high value‐added chemicals, fuels and materials. The preparation of urea, organic carbonates, salicylic acid, etc. from CO2 through non‐reduction conversion has been used in industrial production, while CO2 reduction transformation has become a research hotspot in recent years due to its involvement in energy storage and product diversification. Designing suitable catalysts to achieve efficient and selective conversion of CO2 is crucial due t
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