迈科锂离子电池与材料发展趋势2012-9-26A0.ppt

Quality assurance Designed to power you * * * RD roadmap of McNair McNair RD 2012-05-10 * Materials development roadmap 2012 2013 2014 2015 Cathode Anode Separator Electrolyte High density (4.1-4.2g/cm3) High voltage (4.3V/4.35V) LCO Li2MnO3LiMO2 110mAh/g 190mAh/g 225mAh/g NMC/NCA/LMO LFP High energy density, high temp. cycle 140mAh/g, more safety , longer life for LEV,HEV,EV Graphite 1.65g/cm3 1.7g/cm3 1.75-1.8g/cm3 Si-base Si-Carbon (500mAh/g) Si-Carbon (1400mAh/g) LTO LTO (160mAh/g) ,very safety, cycle life ≥ 8000cls for ESS 14um Ceramic coating separator Separator HVE NFE Separator ceramic coated for high safety High voltage electrolyte for new energy system Non-flammable electrolyte for safety 12um/10um etc. Ceramic sep. Remark LCO: LiCoO2 NCM: LiNixCoyMnzO2 NCA: LiNixCoyAlzO2 LMO: LiMn2O4 LFP: LiFePO4 LTO: Li4Ti5O12 * Items Cell type 2012 2013 2014 2015 Application Energy density Consumer cell Consumer LEV EV cell LEV/EV Cycle life Consumer cell Consumer LEV cell LEV HEV/EV/ESS cell HEV/EV/ESS Power Power cell Power tool/toy/HEV High temp. cycle LMO cell LEV/HEV/EV Performance improvement roadmap 25C 30C 20C 498Wh/L 538Wh/L 593Wh/L 630Wh/L 80% af 2000cls 80% af 3000cls 80% af 1000cls 180Wh/kg 250Wh/kg 140Wh/kg 60℃ 80% af 1000cls 60℃ 80% af 2000cls 80% af 2000cls 80% af 3000cls 80% af 1000cls 80% af 3000cls 80% af 5000cls 80% af 2000cls 2012 2013 2014 2015 * Consumer cell energy density roadmap * 454261 for example * Energy density = Min cap*Voltage/(Max thickness*Max width*Max length) Energy density (Wh/L) 2012 2015 500 520 540 620 640 2014 2013 4.35V LCO/Graphite Coating COV improvement Mean 1750mAh Min 1710mAh 538Wh/L +6.8% Mean 2120mAh Min 2080mAh 630Wh/L Mean 1650mAh Min 1600mAh 498Wh/L +9.0% +11.7% 4.2VLCO/Graphite 4.3V LCO/Graphite CNTs Li2MnO3 based solid solution, etc.