一个碳气凝轻量化Al电池,用于快速存储波动的能量
Aijing Lv1, Mingyong Wang1, Haotian Shi1
1State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
Advanced materials (Deerfield Beach, Fla.)
|July 4, 2023
概括
本研究介绍了一种轻量级的 (Al) 电池,使用新的碳气凝电极来有效地储存可再生能源. 该电池表现出快速充电和稳定的性能,解决了能源密度和适应性方面的关键挑战.
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
- 可再生能源储存可再生能源的储存
背景情况:
- 由于成本,容量和安全性, (Al) 电池为可再生能源储能提供了潜力.
- 关键的挑战包括实现高能量密度和适应波动的电力.
研究的目的:
- 为快速存储波动的能量,建造一个轻量级的Al电池.
- 解决当前Al电池技术在能量密度和适应性方面的局限性.
主要方法:
- 开发了一种新的层次性多孔无树碳气凝膜 (CAF) 阳极.
- 一个石墨复合材料碳气凝膜 (GCAF) 阴极的整合.
- 一个轻量级的CAF‖GCAF全电池的制造.
主要成果:
- 证实了在CAF阳极上由O含有功能组诱导的均Al沉积的新机制.
- 在GCAF阴极中实现了高质量利用和微不足道的体积扩张.
- 经过2000个循环后显示出大放电容量 (115.6 mAh g-1),在高电流密度下充电时间为7.0分钟.
结论:
- 开发的轻量级Al电池有效地储存波动的可再生能源.
- 碳气凝电极为高能量密度的电池提供了一个可行的策略.
- 这项技术可以促进可再生能源的整合.
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