【摘要】：針對(duì)運(yùn)行過程中有機(jī)電解液易揮發(fā)導(dǎo)致電池失效的現(xiàn)象,設(shè)計(jì)一種適用于鋰空氣電池的復(fù)合電解質(zhì)材料。采用離子液體1-乙基-3-甲基咪唑四氟硼酸鹽([Emim]BF_4)與碳酸酯類(EC+EMC+DMC)作為主體溶劑,親水型LiBF_4與疏水型LiPF_6作為溶質(zhì),四氟硼酸螺環(huán)季銨鹽作為添加劑制備復(fù)合電解液。組裝的鋰空氣電池在低電流密度(0.01 mA/cm~2)下表現(xiàn)出較好的電化學(xué)性能,放電比容量可達(dá)2 960 mAh/g,比能量達(dá)到6 810 Wh/kg。
[Abstract]:A composite electrolyte material suitable for lithium air battery was designed in view of the phenomenon that the volatile organic electrolyte leads to battery failure during operation. The composite electrolyte was prepared by using ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate ([Emim] BF_4) and carbonate (EC EMC DMC) as main solvent, hydrophilic LiBF_4 and hydrophobic LiPF_6 as solute and tetrafluoroboric acid spin-quaternary ammonium salt as additives. The assembled lithium air battery exhibits good electrochemical performance at low current density (0. 01 mA/cm~2), with a specific discharge capacity of 2 960 mAh/g, and a specific energy of 6 810 Wh/kg..
【作者單位】： 渤海大學(xué)化學(xué)化工學(xué)院;渤海大學(xué)新能源學(xué)院;中國石油天然氣股份有限公司錦州石化分公司;
【基金】：國家自然科學(xué)基金(21373002,21206083) 遼寧省高校優(yōu)秀人才支持計(jì)劃第一層次項(xiàng)目(LR2014033)
【分類號(hào)】：TM911.41
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本文編號(hào)：2283371