動力鋰離子電池及其關(guān)鍵材料開發(fā)與評估-汪繼強(qiáng)(文件)
【正文】 Anode: HC, NGC, LTO。 Interface stability (SEI) Tianjin Institute of Power Sources Technical issues and solution 3. Specific Energy New material development Cathode: Layerd Mn based material。 2) Smaller particle size。 Maximum power。 Vehicle China: “13 cities, 1000 EVs” plan, “863”projects, “973” projects Tianjin Institute of Power Sources Type Leadacid NiMH LIB EC Specific Energy（ Wh/kg） 2040 5080 80140 26 Specific Power（ W/kg） 1000 1000 1000 1000 Cycle life（ 100%DOD） 500 1000 5001000 100000 Self discharge Fast Slow Very slow Fast Safety Excellent Good Acceptable Excellent Cost Very Low Low High High Introduction Table Comparison of electrochemical power sources Tianjin Institute of Power Sources Technical requirement guidance (second stage) for power battery in eleventh fiveyear plan Capacity（ Ah） 20 50 100 Power density（ W/kg） ≥1800 ≥700 ≥500 Energy density（ Wh/kg） LiFePO4 ≥65 ≥110 ≥110 LiMn2O4 ≥70 ≥120 ≥120 Max. discharge rate 30C(20s) 6C(30s) 5C(30s) Max. charge rate 10C(10s) (60s) 4C(60s) Internal resistance（ mΩ） ≤ ≤ ≤ Safety Pass requirements of industiral norm or national standard Pack cycle life（ 10,000km） 15（ LFP）， 10（ LMO） Cost (RMB Yuan/Wh） ≤3 ≤2 ≤2 Tianjin Institute of Power Sources Performance of Liion battery for EV 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 MaterialsLiM
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