動力鋰離子電池及其關(guān)鍵材料開發(fā)與評估-汪繼強-文庫吧在線文庫
【正文】 ................ Organized by Tianjin Institute of Power Sources Tianjin Institute of Power Sources 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80( c )( b )113110018107015104012006101003 Intensity (.)2 ? de g. ( Cu K ? )( a )2 . 8 5 42 . 8 5 62 . 8 5 82 . 8 6 0 a (angstrom)1 4 . 2 3 51 4 . 2 4 01 4 . 2 4 51 4 . 2 5 01 4 . 2 5 51 4 . 2 6 0 c (angstrom)1 . 2 0 1 . 2 5 1 . 3 0 1 . 3 5 1 . 4 01 0 0 . 41 0 0 . 61 0 0 . 81 0 1 . 0 Volume (angstrom3)L i c o n t e n tFig. Xray diffraction patterns of +x[Ni1/4Mn3/4] powders ((a) x = 0, (b) x = , (c) x = ) and Lattice constants a, c, and V as a function of Li content. Fig. 3. Scanning electron photographs of +x[Ni1/4Mn3/4]. Layered +x[Ni1/4Mn3/4] material Tianjin Institute of Power Sources Cathode material 0 5 10 15 2004080120160200240280320360 x =0 x = x =Discharge capacity/ mAhg1Cy c le nu m ber0 50 100 150 200 250 300 3502345x = 2 7 x = 8 1(b ) Voltage/ VS pe c i f i c c a pa c i t y / mA hg1(a )x =0Fig. The first charge/discharge profiles amp。 Capacity10Ah for HEV, 50Ah for EV。 StructureHeat dispersion and conductibility。 cycleability of +x[Ni1/4Mn3/4]. Tianjin Institute of Power Sources Anode material Fig. XRD plots of Sibased posites after heat treatment at 900186。 Anode: HC, NGC, LTO。 2) Smaller particle size。 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 1
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