Perfluoro Aryl Boronic Esters as Redox Shuttle Additives in Lithium Ion Batteries

机译：全氟芳基硼酸酯作为锂离子电池中的氧化还原穿梭添加剂

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A new family of redox shuttle additives is being developed at Argonne National Laboratories and tested at EnerDel for eventual application in large format batteries that will be used in military, vehicular, and grid storage applications. Perfluoro aryl boronic esters are redox active in the 4.4 to 4.6 V range, making them ideal for use in lithium ion batteries employing high voltage cathodes. Electrochemical testing has been performed on the initial candidate from this family, namely 2-(pentafiuorophenyl)-tetrafluoro-1,3,2-benzodioxaborole (BDB), to determine the Eo value of 4.43 V vs. Li/Li~+ and the diffusion coefficient of 1.38 x 10"5 cm~2/sec in standard electrolyte. Initial battery testing has been performed using a lithium nickel cobalt manganese oxide cathode and a carbonaceous anode. The shuttle molecule has little or no detrimental effect on the cell performance; however, the overcharge protection is not robust. This may be due to contaminants.

机译：Argonne国家实验室正在开发一种新的氧化还原穿梭添加剂系列，并在EnerDel上进行了测试，最终可用于大型电池，这些电池将用于军事，车辆和电网存储应用。全氟芳基硼酸酯在4.4至4.6 V范围内具有氧化还原活性，使其非常适用于采用高压阴极的锂离子电池。已对该族的第一个候选化合物，即2-（五氟硼苯基）-四氟-1,3,2-苯并二恶唑硼烷（BDB）进行了电化学测试，以确定Eo值为4.43 V vs. Li / Li〜+和在标准电解液中的扩散系数为1.38 x 10“ 5 cm〜2 / sec。最初的电池测试是使用锂镍钴锰氧化物阴极和碳质阳极进行的。穿梭分子对电池性能几乎没有或没有不利影响；但是，过充电保护功能不强大，这可能是由于污染物引起的。

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来源
《Batteries and energy technology (General) - 217th ECS meeting》|2010年|p.69-77|共9页
会议地点 Vancouver(CA);Vancouver(CA)
作者
Mary L. Patterson; Mohamed Taggougui;
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EnerDel, Inc., 8740 Hague Road, Building 7, Indianapolis, IN 46256, USA;

EnerDel, Inc., 8740 Hague Road, Building 7, Indianapolis, IN 46256, USA;

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正文语种 eng
中图分类独立电源技术（直接发电）;
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4. Study on redox shuttles used as overcharge protection additives for lithium ion rechargeable batteries [C] . Yanyan, Zhou Zhentao Conference on Solid Tate Ionics Materials and Devices Fuzhou, China 29 October -4 November 2000 . 2000

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机译：用于锂电池过充电保护的氧化还原梭式添加剂

Perfluoro Aryl Boronic Esters as Redox Shuttle Additives in Lithium Ion Batteries

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