動力鋰離子電池及其關(guān)鍵材料開發(fā)與評估-汪繼強(更新版)
【正文】 ation Final powder Product d50=36?m Drying in air (Optional) Tianjin Institute of Power Sources Key MaterialsNCM x = 0 2 4 6 8 10 12 14 16 18 2004080120160200 Capacity/(mAh/g)C y c l e n u mb e r x = 1 . 1 3 x = 1 . 0 7 x = 1 . 0 5 x = 1 . 0 2Tianjin Institute of Power Sources Key MaterialsLTO 0 . 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 1 . 4 1 . 60 . 00 . 51 . 01 . 52 . 02 . 53 . 03 . 5Voltage / VDisch ar g e Cap aci t y / A h 1 C 1 0 C 2 0 C 3 0 CL i( NiCo M n ) O2/L T OFig. Highrate discharge performance of the cell A on various Crates at ambient temperature. Fig. Highrate discharge performance of the cell B on various Crates at ambient temperature. Average voltage cell A: V cell B: V Specific energy cell A: 67 Wh/kg cell B: 52 Wh/kg Tianjin Institute of Power Sources SEM Observation of LTO/AC Fig. SEM images of AC (a) and AC loaded Li4Ti5O12 (b). 5 μ m 5 μ m a) b) μμ μμLTO/AC AC 0 20 40 60 80 10005001000150020222500 counts2 t h e t a Tianjin Institute of Power Sources Electrochemical Capacitor S/N: NCMLTOCNT0506 Voltage : Capacity: 500mAh Tianjin Institute of Power Sources 0 .0 0 . 5 1 .0 1 .5 2 . 0 2 .5 3 .0 3 . 5 0 0 .1 0 .2 0 .3 0 .4 0 .510C80CC a p a c i ty / A hVoltage / VApplication of LTO/CNT in LIB/LIC Fig. Photo of laminated cell with LTO/CNT negative electrode. Fig. High rate discharge behivor of the cell with LTO/CNT negative electrode. Tianjin Institute of Power Sources Technical issues and solution 1. Safety issue Material: LiMn2O4, LFP, Modified NCM Cell design: Capacity ratio of cathode/anode。 2) Calendar life
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