相关实验视频
Updated: May 6, 2026

Construction and Testing of Coin Cells of Lithium Ion Batteries
Published on: August 2, 2012
在高初始库伦比效率的离子储存中调节内在结构
1College of Materials and Chemistry & Chemical Engineering (College of Lithium Resources and Lithium Battery Industry), Chengdu University of Technology, Chengdu, 610059, China.
一个创新的乙烯战略增强了离子电池的硬碳阳极,提高了初始库伦比效率 (ICE) 和容量. 这种方法提高了更好的储能解决方案的性能.
科学领域:
- 材料科学
- 电化学
- 能量储存
背景情况:
- 由于成本和容量,硬碳 (HC) 是离子电池 (SIB) 的关键阳极材料.
- 低初始库伦比效率 (ICE) 仍然是HC阳极的一个重大挑战.
研究的目的:
- 开发一种以乙为媒介的策略来定制硬碳结构和异构原子含量.
- 改进由炭酸盐制成的硬碳的电化学性能和ICE.
主要方法:
- 在热解过程中利用乙来调节中异构原子 (O,N,S) 的反应.
- 在热解过程中通过碳基沉积将开放的毛孔转化为封闭的毛孔.
- 修改硬碳的结构和电化学特性.
主要成果:
- 优化的HC在0.3C时达到220mAhg-1的高特异容量,ICE为88%.
- 观察到异常的循环稳定性,在 500 个循环后在 0. 3C 保持 210 mAh g-1.
- 激素介导的方法有效地减少了不可逆转的+消耗,并提高了产能.
结论:
- 以乙为媒介的策略为设计高性能硬碳阳极提供了通用途径.
- 这种方法成功地克服了硬碳材料的典型ICE限制.
- 定制的硬碳显示出先进的离子电池应用的巨大潜力.
更多相关视频
10:03Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
Published on: November 11, 2013
07:55Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
Published on: April 17, 2018
相关概念视频
The Energies of Atomic Orbitals
Atomic Radii and Effective Nuclear Charge
Nuclear Stability
To hold positively...
Energy Stored in a Capacitor
Energy Stored in Capacitors
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...
Energy Stored in Inductors
In terms of gauging the energy stored within an inductor, it is equivalent to the integral of the power delivered at every individual moment, all...