本文關(guān)鍵詞：一種高循環(huán)鋰空氣電池環(huán)丁砜類電解液的優(yōu)化與研究（英文）

  更多相關(guān)文章： 鋰空氣電池 電解液 全氟三丁胺 硝酸鋰

【摘要】：目前,有機(jī)電解液體系鋰空氣電池的發(fā)展面臨兩大挑戰(zhàn):一是電解液或氧氣易腐蝕鋰負(fù)極;二是電解液中氧氣傳輸速率低。使用硝酸鋰作為成膜添加劑、全氟三丁胺作為溶氧添加劑,對(duì)LiTFSI-TMS電解液進(jìn)行優(yōu)化。兩者的協(xié)同效應(yīng)顯著提高了電解液電導(dǎo)率、溶氧量、電化學(xué)穩(wěn)定性以及與鋰負(fù)極的化學(xué)穩(wěn)定性。結(jié)果表明,在0.1mA/cm2的電流密度下,優(yōu)化后的電池穩(wěn)定循環(huán)了150次,明顯超過優(yōu)化前的120次。
【作者單位】： 深圳大學(xué)深圳市新型鋰離子電池及介孔材料重點(diǎn)實(shí)驗(yàn)室;浙江大學(xué)浙江加州國際納米技術(shù)研究院;
【關(guān)鍵詞】： 鋰空氣電池 電解液 全氟三丁胺 硝酸鋰
【基金】：Shenzhen Science and Technology Fund(JCYJ20130329102936684)
【分類號(hào)】：TM911.41
【正文快照】： Lithium air battery has attached much attention because it has higher specific energy than other primary and rechargeable batteries[1,2].At the same time,lithium air battery is unique because its cathode active material,oxygen,is not stored in the batter

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本文編號(hào)：960079