2024年4月10日 · In this study, we investigate the feasibility and the potential role of iron in linking CH 4 oxidation and CO 2 reduction. We employ both microcosm and enrichment cultures to monitor carbon...

2020年6月19日 · ch4-co2重整制合成气的过程能够将ch4的综合利用与co2的资源化利用相结合, 提供了一条规模化综合利用碳源、氢源并转化温室气体的技术路线.

2020年6月14日 · The development of highly active and durable catalysts for electrochemical reduction of CO 2 (ERC) to CH 4 in aqueous media is an efficient and environmentally friendly solution to address global problems in energy and

2024年12月19日 · Achieving high CH4 activity and selectivity therefore remain a significant challenge. Here we show a bioinspired photocatalyst with flexible dual-metal-site pairs (DMSPs), which exhibit dynamic self-adaptive behavior to fit mutative C1 intermediates, achieving CO2-to …

在环境条件下，可持续能源驱动的二氧化碳（CO 2）电还原为甲烷（CH 4）对于实现碳中和和减轻环境污染具有巨大前景。 尽管该领域取得了重大进展，但选择性和稳定性不佳仍然是其大规模应用的主要障碍。 在此背景下，我们全面总结了CO 2电还原成CH 4的最新进展和未来机遇。 首先，我们深入研究了CO 2电还原成CH 4的反应机理。 彻底了解该过程中的各个步骤对于设计电催化剂和提高选择性和效率至关重要。 特别阐述了用于CO 2电还原成CH 4的先进电催化剂（如铜 …

1 天前 · Herein, Cu/SiO2 catalysts with different Cu/Si ratio were controllably synthesized, enabling a selective CO2 electroreduction from CH4 to C2H4. Specifically, at a current density of 200 mA cm-2, Cu/SiO2-10 including majority of CuSiO3 facilitates the selective reduction of CO2 to CH4 with a high Faradaic ratio of CH4/C2H4 (7.2/1), whereas Cu ...

2024年1月3日 · Furthermore, it is theoretically affirmed that CH 4 is produced by continuous hydrogenation (CO 2 → HCOOH → HCHO → CH 3 OH → CH 4), which is independent of the CO pathway. This work provides novel insights for the in-depth understanding of the cocatalyst effects on photocatalytic activity.

1 天前 · The CH4–CO2 hydrate replacement exploitation method has gained high attention, but its low recovery efficiency hampers its application, and the reported limits of CH4–CO2 replacement vary greatly among different studies. This study introduces the concept of critical replacement thickness to quantify the exploitation limits of CH4–CO2 hydrate replacement, based on a series of CH4–CO2 ...

2025年3月3日 · The adsorption selectivity of CO2 over CH4 decreases with the increases in CO2 partial pressure and temperature, while it increases with the water content due to the significant reduction in the accessible volume for CH4. The adsorbate distribution peaks on the N- and O-functional groups reduce while those on the S-functional group increase ...

3 天之前 · However, the CO2-to-CH4 conversion is kinetically sluggish and easily bifurcates to various unexpected products, rendering highly active and selective production of CH4 a great challenge. Herein ...