橄榄石结构的LiFePO_4以其高比容量、低成本、环境友好、热稳定性良好等优点而成为一类最具发展前景的锂离子电池正极材料,但电导率和离子扩散率低是制约其在动力电池领域广泛应用的主要障碍.从材料制备和改性等方面综述了近年来国内外利用液相法合成LiFePO_4以及掺杂改性的研究状况,比较了水热法、共沉淀法、溶胶-凝胶法及掺杂对材料性能的影响,认为合成材料的形貌和粒径以及导电剂或少量金属离子的掺杂是提高LiFePO_4电导率的有效方法,指出今后的重点方向是合成工艺的改进和理论的继续深入研究.
The olivine LiFePO_4 is viewed widely as the most promising cathode material for lithium ion battery due to its high specific capacity, lower cost,environmental benignancy,good thermal stability,etc. Exploring new synthesis methods which can reduce energy consumption and cost, and improve electrochemical performance of LiFePO_4 through modification have become research hotspots nowadays. Compared with solid-state synthetic methods, wetchemical approaches have attracted more and more attention because of their simple procedure, low consumption,small particle size of product,and uniform particle size distribution. In this paper,the researches of recent years for the synthesis of LiFePO_4 are reviewed systematically; furthermore, the modification by addition conductive materials and metal ions doping is also introduced.
参考文献
| [1] | Tarascon J M;Artnand M .Issues and challenges facing rechargeable lithium batteries[J].Nature,2001,414(15):359. |
| [2] | Padhi AK.;Goodenough JB.;Nanjundaswamy KS. .PHOSPHO-OLIVINES AS POSITIVE-ELECTRODE MATERIALS FOR RECHARGEABLE LITHIUM BATTERIES[J].Journal of the Electrochemical Society,1997(4):1188-1194. |
| [3] | M.Stanley Whittingham .Lithium Batteries and Cathode Materials[J].Chemical Reviews,2004(10):4271-4301. |
| [4] | Dragana Jugovic;Dragan Uskokovic .A review of recent developments in the synthesis procedures of lithium iron phosphate powders[J].Journal of Power Sources,2009(2):538-544. |
| [5] | Shoufeng Yang;Peter Y. Zavalij;M. Stanley Whittingham .Hydrothermal synthesis of lithium iron phosphate cathodes[J].Electrochemistry communications,2001(9):505-508. |
| [6] | Shoufeng Yang;Yanning Song;Peter Y. Zavalij;M. Stanley Whittingham .Reactivity, stability and electrochemical behavior of lithium iron phosphates[J].Electrochemistry communications,2002(3):239-244. |
| [7] | G. Meligrana;C. Gerbaldi;A. Tuel .Hydrothermal synthesis of high surface LiFePO_4 powders as cathode for Li-ion cells[J].Journal of Power Sources,2006(1):516-522. |
| [8] | Jiajun Chen;Shijun Wang;M. Stanley Whittingham .Hydrothermal synthesis of cathode materials[J].Journal of Power Sources,2007(2):442-448. |
| [9] | Chen JJ;Vacchio MJ;Wang SJ;Chernova N;Zavalij PY;Whittingham MS .The hydrothermal synthesis and characterization of olivines and related compounds for electrochemical applications[J].Solid state ionics,2008(31/32):1676-1693. |
| [10] | Dokko K;Koizumi S;Nakano H;Kanamura K .Particle morphology, crystal orientation, and electrochemical reactivity of LiFePO4 synthesized by the hydrothermal method at 443 K[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2007(45):4803-4810. |
| [11] | B. Ellis;Wang Hay Kan;W. R. M. Makahnouk .Synthesis of nanocrystals and morphology control of hydrothermally prepared LiFePO4[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2007(30):3248-3254. |
| [12] | Zhongli Wang;Shaorui Su;Chunyang Yu;Yu Chen;Dingguo Xia .Synthesises, Characterizations And Electrochemical Properties Of Spherical-like Lifepo_4 By Hydrothermal Method[J].Journal of Power Sources,2008(2):633-636. |
| [13] | Franger S;Le Cras F;Bourbon C et al.Comparison between different LiFePO_4 synthesis routes and their influence on its physico-chemical properties[J].Journal of Power Sources,2003,119:252. |
| [14] | Shiraishi K;Dokko K;Kanamura K .Formation of impurities on phospho-olivine LiFePO_4 during hydrothermal synthesis[J].Journal of Power Sources,2005,146(1-2):555. |
| [15] | Lee J;Teja AS .Characteristics of lithium iron phosphate (LiFePO4)particles synthesized in subcritical and supercritical water[J].The Journal of Supercritical Fluids,2005(1):83-90. |
| [16] | Lee J;Teja A S .Synthesis of LiFePO_4 micro and nanoparti-cles in supercritical water[J].Materials Letters,2006,60(17-18):2105. |
| [17] | Chunbao Xu;Jaewon Lee;Amyn S.Teja .Continuous hydrothermal synthesis of lithium iron phosphate particles in subcritical and supercritical water[J].The Journal of Supercritical Fluids,2008(1):92-97. |
| [18] | Aimable, A.;Aymes, D.;Bernard, F.;Le Cras, F. .Characteristics of LiFePO4 obtained through a one step continuous hydrothermal synthesis process working in supercritical water[J].Solid state ionics,2009(11/13):861-866. |
| [19] | Arnold G;Garche J.Fine-particle lithium iron phosphate LiFePO_4 synthesized by a new low-cost aqueous precipitation technique[J].Journal of Power Sources,2003:119-247. |
| [20] | K.S.Park;T.K.Kang;S.B.Lee;G.Y.Kim;Y.J.Park;H.G.Kim .Synthesis of LiFePO_4 with fine particle by co-precipitation method[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2004(12):1803-1810. |
| [21] | K. S. Park;J. T. Son;H. T. Chung;S. J. Kim;C. H. Lee;H. G. Kim .Synthesis of LiFePO_4 by co-precipitation and microwave heating[J].Electrochemistry communications,2003(10):839-842. |
| [22] | Zhu BQ;Li XH;Wang ZX;Guo HJ .Novel synthesis of LiFePO4 by aqueous precipitation and carbothermal reduction[J].Materials Chemistry and Physics,2006(2/3):373-376. |
| [23] | Jun-chao Zheng;Xin-hai Li;Zhi-xing Wang;Hua-jun Guo;Shao-yun Zhou .Lifepo_4 With Enhanced Performance Synthesized By A Novel Synthetic Route[J].Journal of Power Sources,2008(2):574-577. |
| [24] | Li P;He W;Zhao H S et al.Biomimetic synthesis and characterization of the positive electrode material LiFePO_4[J].Journal of Alloys and Compounds,2009,471(1-2):536. |
| [25] | Daiwon Choi;Prashant N. Kumta .Surfactant based sol-gel approach to nanostructured LiFePO_4 for high rate Li-ion batteries[J].Journal of Power Sources,2007(2):1064-1069. |
| [26] | En Mei Jin;Bo Jin;Dae-Kyoo Jun;Kyung-Hee Park;Hal-Bon Gu;Ki-Won Kim .A study on the electrochemical characteristics of LiFePO_4 cathode for lithium polymer batteries by hydrothermal method[J].Journal of Power Sources,2008(2):801-806. |
| [27] | Jin B;Jin EM;Park KH;Gu HB .Electrochemical properties of LiFePO4-multiwalled carbon nanotubes composite cathode materials for lithium polymer battery[J].Electrochemistry communications,2008(10):1537-1540. |
| [28] | Wang Y G;Wang Y R;Hosono E et al.The design of a LiFePO_4 /carbon nanocomposite with a core-shell structure and its synthesis by an in situ polymerization restriction method[J].Angewandte Chemie International Edition,2008,47(39):7461. |
| [29] | Guangchuan Liang;Li Wang;Xiuqin Ou;Xia Zhao;Shengzhao Xu .Lithium Iron Phosphate With High-rate Capability Synthesized Through Hydrothermal Reaction In Glucose Solution[J].Journal of Power Sources,2008(2):538-542. |
| [30] | Akira Kuwahara;Shiny a Suzuki;Masaru Miyayama .High-rate properties of LiFePO_4/carbon composites as cathode materials for lithium-ion batteries[J].Ceramics International,2008(4):863-866. |
| [31] | Dominko R;Bele M;Gaberscek M et al.Porous olivine composites synthesized by sol-gel technique[J].Journal of Power Sources,2006,153(02):274. |
| [32] | Jae-Kwang Kim;Jae-Won Choi;Ghanshyam S. Chauhan;Jou-Hyeon Ahn;Gil-Chan Hwang;Jin-Beom Choi;Hyo-Jun Ahn .Enhancement of electrochemical performance of lithium iron phosphate by controlled sol-gel synthesis[J].Electrochimica Acta,2008(28):8258-8264. |
| [33] | Zhihui Xu;Liang Xu;Qiongyu Lai;Xiaoyang Ji .A PEG assisted sol-gel synthesis of LiFePO_4 as cathodic material for lithium ion cells[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2007(5):883-891. |
| [34] | K.S. Park;J.T. Son;H.T. Chung;S.J. Kim;C.H. Lee;K.T. Kang;H.G. Kim .Surface modification by silver coating for improving electrochemical properties of LiFePO_4[J].Solid State Communications,2004(5):311-314. |
| [35] | C.H. Mi;Y.X. Cao;X.G. Zhang .Synthesis and characterization of LiFePO4/(Ag+C) composite cathodes with nano-carbon webs[J].Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems,2008(3):301-306. |
| [36] | J.F. Ni;H.H. Zhou;J.T. Chen .LiFePO_4 doped with ions prepared by co-precipitation method[J].Materials Letters,2005(18):2361-2365. |
| [37] | Lingjun Li;Xinhai Li;Zhixing Wang;Ling Wu;Junchao Zheng;Huajun Guo .Stable cycle-life properties of Ti-doped LiFePO4 compounds synthesized by co-precipitation and normal temperature reduction method[J].The journal of physics and chemistry of solids,2009(1):238-242. |
| [38] | Yang R;Song X P;Zhao M S et al.Characteristics of Li_(0.98)Cu_(0.01) FePO_4 prepared from improved co-precipitation[J].Journal of Alloys and Compounds,2009,468(1-2):365. |
| [39] | Xiuqin Ou;Guangchuan Liang;Li Wang;Shengzhao Xu;Xia Zhao .Effects Of Magnesium Doping On Electronic Conductivity And Electrochemical Properties Of Lifepo_4 Prepared Via Hydrothermal Route[J].Journal of Power Sources,2008(2):543-547. |
| [40] | Barker J;Saidi M Y;Swoyer J L .Lithium iron(Ⅱ) phos-pho-olivines prepared by a novel carbothermal reduction method[J].Electrochemical and Solid-State Letters,2003,6(03):A53. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%