超级电容器的MXenes和过渡金属氧化物的异构结构:一个概述
Shagufi Naz Ansari1,2, Mohit Saraf3, Zahir Abbas1
1Department of Chemistry, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India. xray@iiti.ac.in.
Nanoscale
|August 8, 2023
概括
对于先进的超级电容器,MXene/过渡金属氧化物异构结构显示出有前途. 将这些材料结合起来可以提高电荷存储和稳定性,克服单个组件的局限性,以获得更好的能量存储设备.
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
- 储能 储能 储能 储能 储能 储能
背景情况:
- 称为MXenes的二维 (2D) 材料提供高导电性和氧化还原活性,用于储能.
- 超级电容器需要具有高电荷容量,导电性和快速循环的电极材料.
- 由于氧化,MXenes的潜在窗口受到限制,而过渡金属氧化物 (TMO) 的导电性和溶解性较差.
研究的目的:
- 对超级电容器的MXene/oxide异构结构的最新进展进行审查.
- 突出MXenes和TMO在混合电极中的协同作用.
- 探索这些异构结构在改善能源存储方面的潜力.
主要方法:
- 在MXenes和TMOs之间形成异构结构.
- 用于超级电容应用的混合电极的制造.
- 分析电化学性能,包括电荷储存,导电性和循环性.
主要成果:
- 与单个组件相比,MXene/TMO异构结构提高了电荷存储能力.
- 混合电极提高了TMO的循环性和速度性能.
- MXenes 作为导电基质和间隔剂,防止聚合并改善离子扩散.
结论:
- MXene/TMO异构结构提供了一种可行的策略,以克服高性能超级电容器中单个材料的局限性.
- 这些混合材料显示出下一代储能解决方案的巨大潜力.
- 对MXene/氧化物接口的进一步研究可以释放增强的电化学特性.
更多相关视频
09:58Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording
Published on: February 12, 2020
13.5K
08:59Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
Published on: November 30, 2022
4.5K
相关概念视频
01:25MOS Capacitor
839
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
839
01:12Energy Stored in a Capacitor
3.7K
When an archer pulls the string in a bow, he saves the work done in the form of elastic potential energy. When he releases the string, the potential energy is released as kinetic energy of the arrow. A capacitor works on the same principle in which the work done is saved as electric potential energy. The potential energy (UC) could be calculated by measuring the work done (W) to charge the capacitor.
3.7K
01:28Types Of Superconductors
1.0K
A superconductor is a substance that offers zero resistance to the electric current when it drops below a critical temperature. Zero resistance is not the only interesting phenomenon as materials reach their transition temperatures. A second effect is the exclusion of magnetic fields. This is known as the Meissner effect. A light, permanent magnet placed over a superconducting sample will levitate in a stable position above the superconductor. High-speed trains that levitate on strong...
1.0K
01:10Energy Stored in Capacitors
532
A parallel plate capacitor, when connected to a battery, develops a potential difference across its plates. This potential difference is key to the operation of the capacitor, as it determines how much electrical energy the capacitor can store.
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
532