相关实验视频

Updated: Sep 14, 2025

Electrochemically and Bioelectrochemically Induced Ammonium Recovery

Electrochemically and Bioelectrochemically Induced Ammonium Recovery

Published on: January 22, 2015

在微生物燃料电池中,通过电活性生物膜与N-MnO₂修饰层双氧化物作为阴极相结合的蒂安芬尼科尔降解

Junfeng Chen¹, Yuling Xu¹, Xinyi Zhang¹

¹School of Life Sciences, Qufu Normal University, Qufu, 273165, PR China.

Journal of environmental management

|July 20, 2025

概括

化 MnO2@NiAl-LDH 阴极显著提升了微生物燃料电池发电和硫氨基醇降解的5.1倍和2.7倍. 这种催化剂增强了电子转移和微生物活动,以有效地去除污染物.

科学领域:

环境科学环境科学
电化学电化学电化学
材料科学材料科学材料科学

背景情况:

微生物燃料电池 (MFC) 对能源发电和废水处理具有前景.
催化剂的开发对于提高MFC性能和污染物降解至关重要.
硫 (TAP) 是一种持久性污染物,需要有效的降解方法.

研究的目的:

在MFC中研究N-doped MnO2复合物NiAl-Layer双氧化物 (N-MnO2@NiAl-LDH) 阴极的发电和硫醇降解能力.
了解微生物社区的转变和相关的降解机制.

主要方法:

使用水热方法制备N-MnO2@NiAl-LDH阴极.
在MFC中测试N-MnO2@NiAl-LDH阴极的功率密度和TAP降解.
微生物社区结构和降解途径的分析.

主要成果:

该N-MnO2@NiAl-LDH阴极实现了最大功率密度为537.83mW/m2,比控制器高5.1倍.
TAP降解率达到81.62%,是未经修改的阴极的2.7倍,表明效率显著提高.
微生物分析显示,电活性细菌的减少和TAP降解细菌的丰富,以及减少MFC内部电阻和加速电子转移.

结论:

该N-MnO2@NiAl-LDH阴极显著提高了MFC发电和硫尼醇降解效率.
性能改善归因于活性位点增加,电子转移加速,以及电子还原和微生物氧化的协同效应.
这种复合材料在MFC应用中显示出联合能源回收和污染物修复的巨大潜力.

关键词:

阴极催化剂的催化剂电动生物膜是一种电动生物膜.微生物燃料电池是一种微生物燃料电池.蒂安芬尼科尔是什么意思

更多相关视频

Characterizing Electron Transport through Living Biofilms

Characterizing Electron Transport through Living Biofilms

Published on: June 1, 2018

Waste Water Derived Electroactive Microbial Biofilms: Growth, Maintenance, and Basic Characterization

Waste Water Derived Electroactive Microbial Biofilms: Growth, Maintenance, and Basic Characterization

Published on: December 29, 2013

相关概念视频

Metabolism of Chemolithotrophs

Metabolism of Chemolithotrophs

Chemolithotrophs are microorganisms that obtain energy by oxidizing inorganic molecules such as hydrogen gas (H₂), ammonia (NH₃), reduced sulfur compounds (H₂S, S²⁻), and ferrous iron (Fe²⁺). Unlike heterotrophic organisms that rely on organic carbon, chemolithotrophs transfer electrons from these inorganic donors to the electron transport chain (ETC), generating a proton motive force (PMF) that drives ATP synthesis through oxidative phosphorylation.

Batteries and Fuel Cells

Batteries and Fuel Cells

A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...