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Experimental Investigation of the Influence of the Electrolyte Composition on the Ageing Behavior of Separators in Lithium-Ion Cells

机译:电解质成分对锂离子电池隔板性能的影响的实验研究

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摘要

The most widely used liquid non-aqueous electrolytes for lithium-ion cells used in electronic consumer and automotive applications consist of lithium hexafluorophosphate (LiPF_6) as conductive salt dissolved in a mixture of carbonate esters (cyclic and linear) with the structural unit RO-CO-OR. The separator is a second safety related component in lithium-ion cells, which can be classified into three groups according to the structure: microporous polymer membranes (MPM), non-woven fabric mats (FM) and inorganic composite membranes (ICM). Both non-active components can take part at calendar and cyclic ageing in lithium-ion cells. In this work we report investigations of long-term decomposition reaction mechanisms of a binary electrolyte system. Furthermore, the mutual interaction ageing behavior of both components are investigated.
机译:电子消费品和汽车应用中使用最广泛的用于锂离子电池的液体非水电解质包括六氟磷酸锂(LiPF_6),它是导电盐,溶于结构为RO-CO的碳酸酯(环状和线性)混合物中-要么。隔板是锂离子电池中的第二个安全相关组件,根据结构可分为三类:微孔聚合物膜(MPM),无纺布垫(FM)和无机复合膜(ICM)。两种非活性成分均可参与锂离子电池的日历和循环老化。在这项工作中,我们报告了对二元电解质系统的长期分解反应机理的研究。此外,研究了两种成分的相互作用相互作用时效行为。

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  • 来源
    《Lithium-ion batteries and beyond》|2015年|159-167|共9页
  • 会议地点 Chicago IL(US)
  • 作者单位

    Deutsche ACCUmotive GmbH Co. KG, 73230 Kirchheim/Teck - Nabern, Germany;

    Daimler AG, 71063 Sindelfingen, Germany;

    Deutsche ACCUmotive GmbH Co. KG, 73230 Kirchheim/Teck - Nabern, Germany;

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  • 正文语种 eng
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