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首页> 外文期刊>Advanced Science Letters >Single-Ion Conductors for Lithium Batteries via Surface-Initiated Atom Transfer Radical Polymerization
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Single-Ion Conductors for Lithium Batteries via Surface-Initiated Atom Transfer Radical Polymerization

机译：通过表面引发的原子转移自由基聚合的锂电池单离子导体

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摘要

A benzyl chloride-terminated silane was grafted to the surface of fumed silica using a silanation reaction, such that single-ion conductors (SICs) were prepared via surface-initiated atom transfer radical polymerization (ATRP) of a lithium sulfonate-containing monomer. The relatively high-surface loading of the SICs, compared with our previous results, was attributed to two advantages: the high specific surface area of the silica substrate and the effective chain growth of ATRP mechanism compared with previously employed free-radical polymerization (FRP) mechanism. Composite electrolytes were prepared by dispersing these SICs in propylene carbonate (PC) and the maximum room-temperature conductivity of 1.5 × 10~(-5) S cm~(-1) was obtained at 15 wt% filler content.
机译：使用硅烷化反应将苄基氯封端的硅烷接枝到气相二氧化硅的表面，从而通过含磺酸锂的单体的表面引发的原子转移自由基聚合（ATRP）制备单离子导体（SIC）。与我们以前的结果相比，SIC的相对较高的表面负荷归因于两个优势：与先前采用的自由基聚合（FRP）相比，二氧化硅基质的高比表面积和ATRP机制的有效链增长机制。通过将这些SIC分散在碳酸亚丙酯（PC）中来制备复合电解质，并在15 wt％的填料含量下获得1.5×10〜（-5）S cm〜（-1）的最大室温电导率。

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