研究用LiCoO2-LiFePO4作正极的锂离子电池的电化学性能和安全性能.结果表明:电池在1、3和5C倍率的放电容量分别为347.7、327.2和322.5 mA·h,5C条件下的放电容量为1C放电容量的92.8％.在25℃、1C条件下循环150次的容量保持率为100％;在-10℃、1C条件下的放电容量为256.5 mA·h,是25℃、1C放电容量的74.8％.电池具有很好的耐过充性能,在3C,10 V条件下进行过充电,电池不漏液、起火或爆炸.短路时电池的表面温度低于LiCoO2电池的表面温度.
参考文献
| [1] | 黄可龙;王兆翔;刘素琴.锂离子电池原理与关键技术[M].北京:化学工业出版社,2009:1-6. |
| [2] | 刘云建,胡启阳,李新海,王志兴,郭华军,彭文杰.钴酸锂的再生及其电化学性能[J].中国有色金属学报,2007(06):984-989. |
| [3] | PENG Z S;WAN C R;JIANG C Y .Synthesis by sol-gel process and characterization of LiCoO2 cathode materials[J].Journal of Power Sources,1998,72(02):215-220. |
| [4] | Lin CH;Shen CH;Prince AAM;Huang SM;Liu RS .Electrochemical studies on mixtures of LiNi0.8Co0.17Al0.03O2 and LiCoO2 cathode materials for lithium ion batteries[J].Solid State Communications,2005(10):687-690. |
| [5] | Young-Min Choi;Su-Il Pyun;Joon-Sung Bae;Seong-In Moon .Effects of lithium content on the electrochemical lithium intercalation reaction into LiNiO_2 and LiCoO_2 electrodes[J].Journal of Power Sources,1995(1):25-30. |
| [6] | Cho J.;Lee JG.;Kim B.;Park B. .Effect of P2O5 and AlPO4 coating on LiCoO2 cathode material[J].Chemistry of Materials,2003(16):3190-3193. |
| [7] | CHO J;KIM Y J;PARK B .Novel LiCoO2 cathode material with Al2O3 coating for a lithium-ion cell[J].American Chemistry Society,2000(12):3788-3791. |
| [8] | Liu LJ.;Wang ZX.;Li H.;Chen LQ.;Huang XJ. .Al2O3-coated LiCoO2 as cathode material for lithium ion batteries[J].Solid state ionics,2002(Pt.A):341-346. |
| [9] | Wang H;Zhang WD;Zhu LY;Chen MC .Effect of LiFePO4 coating on electrochemical performance of LiCoO2 at high temperature[J].Solid state ionics,2007(1/2):131-136. |
| [10] | 王力臻,闫继,谷书华,蔡洪波.锂离子电池复合/混合正极材料的研究进展[J].电池,2009(01):40-43. |
| [11] | KIM H S;KIM S I;KIM W S .A study on electrochemical characteristics of LiCoO2/LiNi1/3Mn1/3Co1/3O2 mixed cathode for Li secondary battery[J].Electrochimica Acta,2006,52(04):1457-1461. |
| [12] | Xingjiang Liu;Guangyan Zhu;Kai Yang;Jiqiang Wang .A mixture of LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2 and LiCoO_2 as positive active material of LIB for power application[J].Journal of Power Sources,2007(2):1126-1130. |
| [13] | 白咏梅,邱鹏,文中流,韩绍昌.LiFePO4/PANI复合材料的制备及电化学性能[J].中国有色金属学报,2010(08):1572-1577. |
| [14] | K. Striebel;J. Shim;V. Srinivasan .Comparison of LiFePO_4 from Different Sources[J].Journal of the Electrochemical Society,2005(4):A664-A670. |
| [15] | M. Koltypin;D. Aurbach;L. Nazar;B. Ellis .More on the performance of LiFePO_4 electrodes-The effect of synthesis route, solution composition, aging, and temperature[J].Journal of Power Sources,2007(2):1241-1250. |
| [16] | Amine K;Liu J;Belharouak I .High-temperature storage and cycling of C-LiFePO4/graphite Li-ion cells[J].Electrochemistry communications,2005(7):669-673. |
| [17] | Paulsen J. M.;Mueller-Neuhaus J. R. .Layered LiCoO_2 with a Different Oxygen Stacking (O_2 Structure) as a Cathode Material for Rechargeable Lithium Batteries[J].Journal of the Electrochemical Society,2000(2):508-516. |
| [18] | Atsuo Yamada;Mamoru Hosoya;Sai-Cheong Chung;Yoshihiro Kudo;Koichiro Hinokuma;Kuang-Yu Liu;Yoshio Nishi .Olivine-type cathodes Achievements and problems[J].Journal of Power Sources,2003(119/121):232-238. |
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