Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Carbon-dioxide Fixation01:28

Carbon-dioxide Fixation

19
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
19

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Phase Engineering of Iridium Oxides Enables Direct Coupling of Proton Exchange Membrane Water Electrolysis With Intermittent Electrical Energy.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Engineering a Nanoflower-like Fe-N-C Cathode with Hierarchical Porosity to Mitigate Oxygen Transport Resistance in PEMFCs.

ACS applied materials & interfaces·2026
Same author

Enriched and Sustained Oxygen Vacancies in Amorphous NiWO<sub>x</sub> Enhance and Stabilize Urea Electrooxidation.

Angewandte Chemie (International ed. in English)·2026
Same author

Efficient and Safe Membrane-Free Flow Electrolyzer for Formate Synthesis and Direct Fuel Cell Integration.

Angewandte Chemie (International ed. in English)·2026
Same author

Alternating-Polarity Electrolysis Enables Efficient Enantioselective Semipinacol Rearrangement Using Sodium Chloride.

Journal of the American Chemical Society·2026
Same author

Harnessing Cation-Anion Synergistic Effect for High-Performance Aqueous Zinc-Ion Batteries.

Angewandte Chemie (International ed. in English)·2026

相关实验视频

Updated: Jul 12, 2025

Versatile CO2 Transformations into Complex Products: A One-pot Two-step Strategy
07:36

Versatile CO2 Transformations into Complex Products: A One-pot Two-step Strategy

Published on: November 9, 2019

8.0K

通过L-histidine集成增强局部CO2吸附,用于在广潜在窗口上选择性格式生产.

Yicheng Li1, Ernest Pahuyo Delmo2, Guoyu Hou1

  • 1School of Mechanical and Power Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.

Angewandte Chemie (International ed. in English)
|October 19, 2023
PubMed
概括

这项研究引入了用L-histidine修改的基于 (BH) 的催化剂,以实现高效的电化学二氧化碳减排 (CO2 RR). 新的催化剂在广泛的潜在范围内实现了高选择性和活性,为二氧化碳转化提供了有前途的解决方案.

关键词:
基于石的催化剂二氧化碳吸附方式减少二氧化碳 减少二氧化碳电触媒溶解是一种电触媒.格式 格式 格式

更多相关视频

Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability
09:27

Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability

Published on: April 22, 2016

17.4K
Site Specific Lysine Acetylation of Histones for Nucleosome Reconstitution using Genetic Code Expansion in Escherichia coli
07:26

Site Specific Lysine Acetylation of Histones for Nucleosome Reconstitution using Genetic Code Expansion in Escherichia coli

Published on: December 26, 2020

4.1K

相关实验视频

Last Updated: Jul 12, 2025

Versatile CO2 Transformations into Complex Products: A One-pot Two-step Strategy
07:36

Versatile CO2 Transformations into Complex Products: A One-pot Two-step Strategy

Published on: November 9, 2019

8.0K
Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability
09:27

Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability

Published on: April 22, 2016

17.4K
Site Specific Lysine Acetylation of Histones for Nucleosome Reconstitution using Genetic Code Expansion in Escherichia coli
07:26

Site Specific Lysine Acetylation of Histones for Nucleosome Reconstitution using Genetic Code Expansion in Escherichia coli

Published on: December 26, 2020

4.1K

科学领域:

  • 电化学 电化学 电化学
  • 材料科学 材料科学 材料科学
  • 催化剂是一种催化剂.
  • 环境科学 环境科学

背景情况:

  • 电化学二氧化碳还原反应 (CO2 RR) 对于减轻气候变化和能源需求至关重要.
  • 二氧化碳RR的一个关键挑战是平衡高法拉第效率 (FE) 和电流密度在广泛的潜在范围.
  • 基于 (BH) 的催化剂正在探索二氧化碳RR,但它们的性能往往在选择性和活性方面面临限制.

研究的目的:

  • 制定一种有效的策略,以提高基于比斯的二氧化碳催化剂的选择性和活性.
  • 克服电化学二氧化碳减排中的活性和选择性之间的固有权衡.
  • 调查L-histidine在修改基于比斯的催化剂中的作用,以提高CO2 RR性能.

主要方法:

  • 合成和表征L-histidine修饰的土基 (BH) 催化剂.
  • 电化学评估二氧化碳RR性能,包括法拉第效率 (FE) 和电流密度.
  • 现场紫外可见光谱 (UV-Vis) 用于研究反应机制和发病潜力.
  • 在不同的二氧化碳度和潜力下进行长期稳定性测试.

主要成果:

  • 经过L-histidine修饰的BH催化剂表现出极好的FEformate (>90%在-0.11.8V范围内,>95%在-0.21.6V与RHE之间).
  • 高二氧化碳RR性能即使在低度二氧化碳 (20体积%) 的料中也保持不变.
  • 观察到异常低的 -0.05 V RHE 开始电位,接近理论值.
  • 稳定运行超过50小时,FE格式保存在95%左右,部分电流密度为326.2mA cm-2在-1.0 V RHE.

结论:

  • 将L-histidine与木基催化剂相结合是一种有效的策略,可以增强CO2吸附和电子丰富性,改善CO2 RR.
  • 经过修改的BH催化剂克服了活动选择性权衡,在广泛的潜在窗口中显示出卓越的性能.
  • 这种方法为电化学二氧化碳转化为有价值化学品的实际应用提供了一个有希望的途径.