通过新型溶液合成热稳定聚胺分离器检测全集双功能分离器
Dingchang Lin1, Denys Zhuo1, Yayuan Liu1
1Department of Materials Science and Engineering, Stanford University , Stanford, California 94305, United States.
Journal of the American Chemical Society
|August 9, 2016
概括
研究人员开发了一种新的低成本方法,用于制造电池的纳米孔状聚合物 (PI) 分离器. 这些先进的分离器通过检测树形成,提高电池性能和寿命,提高了安全性.
科学领域:
- 材料科学
- 电化学
- 聚合物科学
背景情况:
- (Li) 电池的安全运行至关重要,需要具有树突检测能力的分离器.
- 在商用聚烯分离器中集成状物检测具有重大挑战.
- 聚胺 (PI) 具有优异的热/机械稳定性和电解质可湿性,使其成为先进电池分离器的有希望的候选者.
研究的目的:
- 为纳米多孔聚合物 (PI) 分离器开发一种简单且可扩展的合成方法.
- 设计PI分离器以集成的树突检测功能来提高电池的安全性.
- 在电池应用中评估制造PI分离器的性能和稳定性.
主要方法:
- 使用可回收的LiBr作为纳米孔模板的新型溶液合成.
- 制造具有增强热/机械稳定性和电解质可湿性的纳米多孔PI分离器.
- 开发一个完全集成的PI/Cu/PI双功能分离器,用于探测树.
主要成果:
- 这种简单的合成方法适用于基本的实验室设施,并显示出低成本工业生产的潜力.
- 合成的PI分离器表现出优异的热/机械稳定性和更好的电解质可湿性,提高了离子导电性和电池速率能力.
- 实现了超过200个周期的稳定全细胞循环,双功能分离器有效检测了的透.
结论:
- 建立了生产纳米孔PI分离器的成本效益和可扩展方法.
- 开发的PI分离器具有卓越的性能,并可提前检测树突,显著提高电池的安全性.
- 这项工作通过先进的分离器工程开辟了更安全的电池设计的新途径.
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