動(dòng)力鋰離子電池及其關(guān)鍵材料開發(fā)與評(píng)估-汪繼強(qiáng)-文庫(kù)吧
2025-04-15 13:54 本頁(yè)面
【正文】 Manufacturer Positive material Negative material Specific energy (Wh/kg) Power density (W/kg) Capacity (Ah) A LiFePO4 MCMB 92 482 40 B LiFePO4 MCMB 107 663 C LiFePO4 MCMB 77 590 40 D LiFePO4 MCMB 92 439 60 E LiMn2O4 MCMB 112 487 100 Tianjin Institute of Power Sources Key Materials Cathode: LiMn2O4, LFP, NCM, LVP Anode: NGR, HC, LTO Electrolyte: LiPF6 based, LiBOB, ion liquid Separator: PE, PP, PP/PE/PP Tianjin Institute of Power Sources Key MaterialsLiMn2O4 Specific surface area: Samll Crystal: well Doping: Al、 Cr、 Zr…… Coating: Al2O ZrO AlPO4…… Tianjin Institute of Power Sources Key MaterialsLFP 0 20 40 60 80 100 120 140 160 180 2nd charge/discharge Potential / .Li Specific Capacity / mAh/g LiH2PO4 Fe2O3 Doping source Carbon source Mixing/Ball milling Organic or water solvent Slurry mixture Dry posite particles at submicron level Spray drying Intermediate product Pulverizing Classification 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
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