电池
電池
전지
BATTERY BIMONTHLY
2010年
1期
2-5
,共4页
锂离子电池%电解液%离子液体%兼容性
鋰離子電池%電解液%離子液體%兼容性
리리자전지%전해액%리자액체%겸용성
Li-ion battery%electrolyte%ionic liquid%compatibility
以溴化1-乙基-3-甲基咪唑(EMImBr)和二(三氟甲基磺酰)锂(LiTFSI)为原料,制备了离子液体二(三氟甲基磺酰)1-乙基-3-甲基咪唑(EMI-TFSI),并将1 mol/L LiTFSI/EMI-TFSI用作锂离子电池电解液.当n(EMImBr):n(LiTFSI)= 9.95:10.00、搅拌时间为12 h时,EMI-TFSI的产率可达86.4%.Li_4Ti_5O_(12)与1 mol/L LiTFSI/EMI-TFSI的兼容性优于LiCoO_2,而石墨只有在添加5%碳酸亚乙烯酯(VC)时,才能获得较好的循环性能.
以溴化1-乙基-3-甲基咪唑(EMImBr)和二(三氟甲基磺酰)鋰(LiTFSI)為原料,製備瞭離子液體二(三氟甲基磺酰)1-乙基-3-甲基咪唑(EMI-TFSI),併將1 mol/L LiTFSI/EMI-TFSI用作鋰離子電池電解液.噹n(EMImBr):n(LiTFSI)= 9.95:10.00、攪拌時間為12 h時,EMI-TFSI的產率可達86.4%.Li_4Ti_5O_(12)與1 mol/L LiTFSI/EMI-TFSI的兼容性優于LiCoO_2,而石墨隻有在添加5%碳痠亞乙烯酯(VC)時,纔能穫得較好的循環性能.
이추화1-을기-3-갑기미서(EMImBr)화이(삼불갑기광선)리(LiTFSI)위원료,제비료리자액체이(삼불갑기광선)1-을기-3-갑기미서(EMI-TFSI),병장1 mol/L LiTFSI/EMI-TFSI용작리리자전지전해액.당n(EMImBr):n(LiTFSI)= 9.95:10.00、교반시간위12 h시,EMI-TFSI적산솔가체86.4%.Li_4Ti_5O_(12)여1 mol/L LiTFSI/EMI-TFSI적겸용성우우LiCoO_2,이석묵지유재첨가5%탄산아을희지(VC)시,재능획득교호적순배성능.
Ionic liquid 1-ethyl-3-methylimidazolium bis-(trifluoromethylsulfonyl) imide (EMI-TFSI) was prepared with 1-ethyl-3-methylimidazolium bromide (EMImBr) and lithium bis-(trifluoromethanesulfonyl) imide (LiTFSI) as raw materials.1 mol/L LiTFSI/EMI-TFSI was used as electrolyte of Li-ion battery.The yield of EMI-TFSI could reach to 86.4% with n(EMImBr):n(LiTFSI)=9.95:10.00 and stirring time of 12 h.The compatibility between Li_4Ti_5O_(12) and 1 mol/L LiTFSI/EMI-TFSI was superior to LiCoO_2,graphite revealed better cycle performance only with adding 5% vinylene carbonate (VC).
