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Polymer electrolytes for sodium-ion batteries
Energy Storage Materials ( IF 18.9 ) Pub Date : 2020-11-19 , DOI: 10.1016/j.ensm.2020.11.030
Florian Gebert , Jonathan Knott , Robert Gorkin , Shu-Lei Chou , Shi-Xue Dou

Sodium-ion batteries are seeing a surge in interest as a potential complementary energy storage technology in light of skyrocketing demand for lithium-ion batteries. One of the frontiers of improving sodium-ion battery competitiveness is replacing liquid electrolytes with polymer electrolytes, which contain no free-flowing solvent, to increase safety and reduce cost. Their development may one day make viable sodium-metal batteries, which would have considerable advantages in energy density. This review provides an overview of the current field of both solid-polymer and gel-polymer electrolytes for sodium-ion batteries, with a focus in the key performance parameters used to assess them. In particular, their targeted manipulation and significance for practical use are discussed. A major theme is also the interdependence of many electrochemical and mechanical properties. In addition, a quantitative comparison of hitherto reported values for these parameters across various polymer classes is undertaken for the first time.



中文翻译:

钠离子电池用高分子电解质

鉴于对锂离子电池的需求激增,钠离子电池作为一种潜在的辅助储能技术而受到关注。改善钠离子电池竞争力的前沿之一是用不含自由流动溶剂的聚合物电解质代替液体电解质,以提高安全性并降低成本。他们的发展可能有一天使可行的钠金属电池在能量密度方面具有相当大的优势。这篇综述概述了钠离子电池固体聚合物和凝胶聚合物电解质的当前领域,重点是用于评估它们的关键性能参数。特别是,讨论了它们的针对性操作和实际使用意义。一个主要主题也是许多电化学和机械性能的相互依赖性。此外,首次对各种聚合物类别中这些参数的迄今报道值进行了定量比较。

更新日期:2020-12-24
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