相关实验视频

Updated: Jul 19, 2025

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

内生Nb₂CT_x/Nb₂O₅ 对于优质离子存储的Schottky异构结构

Junpeng Xiao¹, Peng Yu², Hong Gao²

¹Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, PR China; School of Physics and Electronic Engineering, Northeast Petroleum University, Daqing 163318, PR China.

Journal of colloid and interface science

|August 17, 2023

概括

由碳化 (Nb2CTx) 和氧化 (Nb2O5) 制成的Schottky新型异构结构显著提高了离子电池的性能. 这些工程材料表现出增强的电荷传输和出色的容量保留,为先进的储能解决方案铺平了道路.

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
纳米技术纳米技术

背景情况:

肖特基的异构结构在材料接口上促进了电荷传输.
基于MXene的材料为储能应用提供了潜力.

研究的目的:

为了构建内源的Nb2CTx/Nb2O5 Schottky异构结构.
研究它们在离子存储中的应用.
阐明它们增强的电化学性能背后的机制.

主要方法:

对于异构结构建设的现场建筑策略.
对离子储能和循环稳定的电化学测试.
在现场的X射线衍射和现场的X射线光电子光谱学用于机制分析.

主要成果:

Nb2CTx/Nb2O5 肖特基的异构结构由于界面电子转移而表现出内置的电场.
观察到增强的电化学反应动力学和电解质扩散动力学.
实现了特殊的离子存储容量 (575mAh/g在200个循环后的0.10A/g,在1000个循环后的2.00A/g时的290mAh/g),没有容量色.
结构演变和性能优化的机制被揭示出来.

结论:

设计的Nb2CTx/Nb2O5 Schottky异构结构显示出卓越的离子存储性能.
内置的电场和大活性表面积是增强电荷传输和电解质扩散的关键.
这项工作提供了一种新的策略,通过Schottky异构结构构建,优化MXene材料用于储能.

关键词:

离子储存器离子储存器这就是MXene MXene.Nb(2) CT(x) 的意思.Nb(2)O(5) 的时间.斯科特基的异构结构.

更多相关视频

$In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries$ 11:25

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Published on: March 7, 2018

相关概念视频

Schottky Barrier Diode

Schottky Barrier Diode

Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...

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...