几篇电解液新型添加剂文献总结.ppt

1、Tris(1,1,1,3,3,3-hexafluoroisopropyl) phosphate 三（六氟异丙基）磷酸酯 CAS：66489-68-7,5V级高电压电解液添加剂，添加量为1wt% 与MCMB具有良好的相容性，与PC共用可防止PC的共嵌分解,Electrolyte Additive in Support of 5 V Li Ion Chemistr徐康 Journal of The Electrochemical Society,158（3）A337-A342（2011）,Phosphate and phosphazene electrolyte additives for Li-

2、ion batteries Meet. Abstr.2012, Volume MA2012-01, Issue 6, Pages 334.,Tris(hexafluoro-isopropyl)phosphate was first observed to extend the cycling life of a full 4.7V Li-ion cell using a LiNi0.5Mn1.5O4cathode and a commercial graphite anode. This particular heavily fluorinated phosphate was also use

3、dsuccessfully to allow extended (500 cycles) useful cycling of a 4.8V LiCoPO4cathode vs. lithium,4-(perfluorohexyl)-1,3-dioxolan-2-one,3,3,3-Trifluoropropylene carbonate 三氟代碳酸丙烯酯 CAS：167951-80-6,4-(perfluorobutyl)-1,3-dioxolan-2-one,4-(perfluorooctyl)-1,3-dioxolan-2-one PFO-EC,Perfluoroalkyl-substit

4、uted ethylene carbonates: Novel electrolyte additives for high-voltage lithium-ion batteries Journal of Power Sources 246 (2014) 184-191,4-全氟辛基碳酸乙烯酯（PFO-EC），正极4.3V氧化分解成膜，降低正极cycles阻抗；负极与EC分解产物聚合形成溶解性小的SEI膜。,PFO-EC在(EC:EMC=3:7，1.2MLiPF6）溶解性较差，最大浓度为2wt%,而其他溶解度为5wt%。推测PFO-EC的分解产物在电解液中的溶解性较低，从而成膜稳定性高。,(

5、EC:EMC=3:7，1.2M LiPF6，0.5wtPFO-EC,Li1.2Ni0.15Mn0.55Co0.1O2-石墨（2.2-4.1,3cycles；C/3 2.2- 4.6 200cycles）容量保持率为66%（172mAh/g）。,Trimethyl phosphite 亚磷酸三甲酯 CAS： 121-45-9,适用于富锂高电压正极，可正极成膜，提高正极材料的电化学性能和热稳定性； 含量不宜超过2wt%。,Trimethyl phosphite as an electrolyte additive for high-voltage lithium-ion batteries usi

6、ng lithium-rich layered oxide cathode Journal of Power Sources 240 (2013) 471-475,Li1.2Mn0.54Ni0.13Co0.13O2：2.5-4.8V，0.1C首次充电；2.5-4.6V，0.5C 100cycles,189.5mAh/g(81.3%)；150mAh/g(5C)、90mAh/g(10C),Tris(pentafluorophenyl)phosphine三(五氟苯基)膦 CAS： 1259-35-4,高电压添加剂，cycles Ok，倍率不佳； 用量为0.5wt%较宜，1wt%性能不佳。,Tris

7、(pentafluorophenyl) phosphine: An electrolyte additive for high voltage Li-ion batteries Electrochemistry Communications 18 (2012) 123126,Li/LiNi0.5Mn1.5O4,（1M LiPF6，EC：DMC：DEC=1:1:1，0.5wt%TPFPP）：3.5V-4.9V,0.2C 55cycles,106.9mAh/g(85.0%)。但倍率性能仍不佳，与正极材料电导率差有关，可通过碳包覆改善,Tris(pentafluorophenyl)borane 三(

8、五氟苯基)硼烷 TPFPB CAS：1109-15-5,三(五氟苯基)硼烷(TPFPB),作为阴离子受体，参与负极成膜并溶剂LiF，提高SEI的导Li+，从而提高电池的电化学性能，对正极没有影响，用量3%为宜（1%），过多则促进锂盐的分解且增大界面阻抗，降低电池的性能。,Tris(pentafluorophenyl) Borane as an Additive to Improve the Power Capabilities of Lithium-Ion Batteries Journal of The Electrochemical Society,153(6),A1221-A1225(2

9、006),N-(Triphenylphosphoranylidene)aniline 四苯基氨化膦 CAS： 2325-27-1,添加0.2wt%TPPA，可优先溶剂在LCO表面成膜，阻止电解液及锂盐的分解，提高其工作电压到4.4V，且对负极MCMB没有影响。,N-(triphenylphosphoranylidene) aniline as a novel electrolyte additive for high voltage LiCoO2 operations in lithium ion batteries,RF：EC:EMC:DMC=1:1:1,1M LiPF6 EL：EC:EMC

10、:DMC=1:1:1,1M LiPF6，0.2wt%TPPA,Methylene Methanedisulfonate as an Electrolyte Additive for Improving the Cycling Performance of LiNi0.5Co0.2Mn0.3O2/Graphite Batteries at 4.4 V Charge Cutoff Voltage ECS Electrochemistry Letters,1(3) A50-A53 (2012),Methylene methanedisulfonate 甲烷二磺酸亚甲酯 CAS： 99591-74-9

11、,MMDS可提高LNMC/C电池4.4V的cycles性能，100cycles（70.7%94.1%），但对4.2V电池改善效果不明显。 MMDS高压下可在正极分解成膜，降低LiF的含量，提高界面导锂新能，同时抑制LiPF6及电解液在正极表面的分解。,1,1,1,3,3,3-Hexafluoroisopropyl acrylate 1,1,1,3,3,3-六氟异丙基丙烯酸酯CAS： 2160-89-6,2-PHENYL-1,3,2-DIOXABORINANE 苯基硼酸1,3-丙二醇酯 CAS： 4406-77-3,2-(1,3,2-DIOXABORINAN-2-YL)BENZONITRILE 2-氰基苯硼酸 1,3-丙二醇酯 CAS： 172732-52-4,Ethyl isobutyl sulfone CAS: 34008-93-0,L