相关实验视频

Updated: Jan 11, 2026

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Published on: January 6, 2016

原子兴奋剂会重置2D V₂C MXene基异构接口的局部电子结构,以实现高效的尿素辅助性水分裂

Shaobin Li¹, Yufeng Jiang¹, Jingwei Liang¹

¹College of Materials Science and Engineering, Key Laboratory of Polymeric Composite Materials of Heilongjiang Province, Qiqihar University, Qiqihar 161006, PR China.

Journal of colloid and interface science

|November 18, 2025

概括

本研究介绍了一种新型的双功能电催化剂 (N,Ce-CoO NPs/MXene),用于高效的生产. 这种催化剂在尿素氧化和进化反应中表现出色,为先进的电解铺平了道路.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
催化剂是一种催化剂.

背景情况:

有效的双功能电催化剂对于通过电解生产至关重要.
少数层的MXene材料经常遭受自我堆叠,限制了它们的应用.
接口工程提供了一种提高催化剂性能的策略.

研究的目的:

开发一种新的双功能电催化剂,用于高效的生产.
调查N,Ce联合兴奋剂和异质接口在催化剂性能中的作用.
为增强电解创建自支持电极.

主要方法:

在一些层V2C-MXene上,N,Ce辅助的CoO纳米粒子 (NP) 在现场生长.
使用N,Ce-CoO NPs/MXene复合材料制造自承载电极.
电化学表征包括尿素氧化反应 (UOR) 和演化反应 (HER) 的测量.
在现场拉曼光谱和密度函数理论 (DFT) 计算.

主要成果:

该N,Ce-CoO NPs/MXene电催化剂对UOR (1.33V) 和HER (86mV在10mA cm−2) 均表现出高性能.
双功能催化剂在尿素辅助电解中以1.38V的电压达到10mA cm−2,稳定时间为100小时.
在现场,Raman和DFT证实Co是活性位点,并强调了在接口上的增强电子转移.

结论:

N,Ce协同兴奋剂和界面工程有效地减轻了MXene堆叠,并增强了电子转移.
开发的N,Ce-CoO NPs/MXene是一种高效和稳定的双功能电催化剂,用于生产.
这项工作提供了通过纳米粒子集成和 heteroatom doping 设计先进的电催化剂的见解.

关键词:

电子重置电子重置几个层的V(2) C-MXene 异构结构异构结构 N,Ce 配合使用了兴奋剂.尿素氧化反应是尿素的氧化反应.

更多相关视频

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Solar-Driven Electrochemical Green Fuel Production from CO₂ and Water Using Ti₃C₂T_x MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Published on: October 12, 2019

相关概念视频

Interfacial Electrochemical Methods: Overview

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...

The Nernst Equation

The Nernst Equation

Nonstandard Reaction Conditions
The interconnection between standard cell potentials and various thermodynamic parameters such as the standard free energy change ΔG° and equilibrium constant K has been previously explored. For example, a redox reaction involving zinc(II) and tin(II) ions at 1 M concentration with Eºcell = +0.291 V and ΔG° = −56.2 kJ is spontaneous.