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LiFePO4作为正极材料电化学性能优越,是发展潜力巨大的锂离子正极材料之一,但由于导电率和锂离子扩散速率问题,一直制约其发展。首先阐述了LiFePO4的微观结构、充放电原理以及充放电反应模型,回顾了近年来国内外改善磷酸铁锂的电化学性能所进行的研究,重点介绍了离子掺杂、碳包覆和材料纳米化方法对LiFePO4正极材料的影响以及目前仍然存在的问题,最后展望了该领域的发展趋势,并指出继续进行深入的理论研究和工艺改进是今后的重点研究方向。
Abstract：Lithium iron phosphate cathode material is considered as one of the most promising cathode materials for lithium ion batteries due to its excellent electrochemical properties.However,its development has been restricted by its low conductivity and slow diffusion rate of lithium ions.Crystal structure,charge-discharge principle and electrochemical reaction model of lithium iron phosphate are described firstly.Recent studies on improving electrochemical performance of lithium iron phosphate at home and abroad are reviewed.Influence of modification methods such as ion doping,carbon coating and nanomaterials on lithium iron phosphate cathode materials for lithium ion batteries and current existing problems are discussed.Finally,development trend in this field is prospected and it is suggested that further theoretical research and process improvement should be the key research direction in the future.
[1]王华丹，陈富金，贡纬华，等．共沉淀法制备磷酸铁锂的热处理过程研究[J]．有色金属（冶炼部分），2019(11):75-80.WANG H D,CHEN F J,GONG W H,et al.Study on heat treatment process of preparation of lithium iron phosphate by coprecipitation method[J].Nonferrous Metals(Extractive Metallurgy),2019(11):75-80.
[2]杨芳，吴正斌，徐亚威，等．废旧动力磷酸铁锂电池资源化回收技术研究进展[J]．有色金属（冶炼部分），2017(12):53-56.YANG F,WU Z B,XU Y W,et al.Progress of recycling of spent lithium iron phosphate batteries[J].Nonferrous Metals(Extractive Metallurgy),2017(12):53-56.
[3]孙学磊，戴永年，姚耀春．球形磷酸铁锂正极材料制备中试研究[J]．中国有色金属学报，2011,21(1):125-130.SUN X L,DAI Y N,YAO Y C.Pilot scale production of spherical LiFePO4/C cathode material[J].The Chinese Journal of Nonferrous Metals,2011,21(1):125-130.
[4]李英杰，刘红英．不同配比LiCoO2、LiMnO2、LiFePO4正极材料对电性能影响[J]．太原科技大学学报，2019,40(2):129-132.LI Y J,LIU H Y.Influences of LiCoO2,LiMnO2,LiFePO4 positive electrode materials with different mass ratios on electrical performance[J].Journal of Taiyuan University of Science and Technology,2019,40(2):129-132.
[5]梁卫春，郭欢，吴理觉，等．锂离子电池正极材料LiNi0.4Co0.2Mn0.4O2的制备与性能研究[J]．有色金属（冶炼部分），2018(11):51-55.LIANG W C,GUO H,WU L J,et al.Synthesis and performance study of LiNi0.4Co0.2Mn0.4O2 cathode material for lithium-ion batteries[J]. Nonferrous Metals(Extractive Metallurgy),2018(11):51-55.
[6]朱蕾，江小标，贾荻，等．LiFePO4/S复合正极材料的制备及其电化学性能[J]．储能科学与技术，2019,8(6):1116-1125.ZHU L,JIANG X B,JIA D,et al.Preparation and electrochemical performance of LiFePO4/S composite cathode materials[J].Energy Storage Science and Technology,2019,8(6):1116-1125.
[7] LI J,DU Z,RUTHER R E,et al.Toward low-cost,high-energy density,and high-power density lithiumion batteries[J].JOM,2017,69(9):1484-1496.
[8] YAMANAKA T,MINATO T,OKAZAKI K I,et al.Evolution and migration of lithium-deficient phases during electrochemical delithiation of large single crystals of LiFePO4[J]. ACS Applied Energy Materials,2018,1(3):1140-1145.
[9]朱蕾，贾荻，陈俊超，等．石墨烯修饰改性制备锂离子电池LiFePO4/LiNi0.8Co0.15Al0.05O2复合正极材料及其性能[J]．无机化学学报，2018,34(8):1501-1510.ZHU L,JIA D,CHEN J C,et al.Synthesis and properties of LiFePO4/LiN0.8Co0.15Al0.05O2composite cathode material modificated by graphene for lithium ion battery[J]. Chinese Journal of Inorganic Chemistry,2018,34(8):1501-1510.
[10]JEFFREY W FERGUS. Recent developments in cathode materials for lithium ion batteries[J].Journal of Power Sources,2010,195:939.
[11]YUAN L X,WANG Z H,ZHANG W X,et al.Development and challenges of LiFePO4 cathode material for lithium-ion batteries[J].Energy and Environmental Science,2011,4(2):269-284.
[12]ISLAM M S,DRISCOLL D J,FISHER C A J,et al.Atomic-scale investigation of defects,dopants,and lithium transport in the LiFePO4 olivine-type battery material[J].Chemistry of Materials,2005,17(20):5085-5092.
[13]WU X L,JIANG L Y,CAO F F,et al.LiFePO4nanoparticles embedded in a nanoporous carbon matrix:Superior cathode material for electrochemical energy-storage devices[J].Advanced Materials,2009,21(25/26):2710-2714.
[14]ANDERSSON A S,THMAS J O.The source of firstcycle capacity loss in LiFePO4[J].Journal of Power Sources,2001,97-98:498-502.
[15]黄小鹏．锂离子电池LiFePO4正极材料的改性和形貌可控研究[D]．昆明：昆明理工大学，2018.HUANG X P.Modification and morphology control of LiFePO4cathode material for lithium ion batteries[D].Kunming:Kunming University of Science and Technology,2018.
[16]李超，刘述平，冯雪茹，等．镁掺杂磷酸铁锂的碳热还原法制备及表征[J]．有色金属（冶炼部分），2018(10):60-63.LI C,LIU S P,FENG X R,et al.Carbothermic reduction preparation and characterization of Mg-doped lithium iron phosphate[J]. Nonferrous Metals(Extractive Metallurgy),2018(10):60-63.
[17]许昕．Ti含量对掺杂磷酸铁锂正极材料性能影响的研究[J]．安徽化工，2018,44(6):67-69,71.XU X.Effect of Ti content on the properties of doped lithium iron phosphate cathode materials[J].Anhui Chemical Industry,2018,44(6):67-69,71.
[18]YANG J M,BAI Y,QING C B,et al.Electrochemical performances of Co-doped LiFePO4/C obtained by hydrothermal method[J].Journal of Alloys and Compounds,2011,509(37):9010-9014.
[19]陈路路，杨柳，刘双任，等．Mn掺杂改性{010}面择优生长的磷酸铁锂纳米片[J]．西南民族大学学报（自然科学版），2015,41(3):373-378.CHEN L L,YANG L,LIU S R,et al. Mn-doped modification of lithium iron phosphate nanoplates with{010}plane preferential growth[J].Journal of Southwest University for Nationalities(Natrual Science Edition),2015,41(3):373-378.
[20]石月，鲁冕，詹刚，等．燃烧法合成Ni2+掺杂磷酸铁锂的电化学性能研究[J]．化工新型材料，2015,43(5):86-88,92.SHI Y,LU M,ZHAN G,et al. Electrochemical performance of Ni2+-doped LiFePO4 by combustion method[J].New Chemical Materials,2015,43(5):86-88,92.
[21]HUANG X P,LIANG F,DU Y C,et al.Optimization of the process parameters for the synthesis of LiFe1-x-y MgxTiyPO4/C cathode material using response surface methodology[J].Nano Brief Reports and Reviews,2016,11(11):1650122.DOI:10.1142/S1793292016501228.
[22]HUANG X P,YANG C,YAO Y C.Effects of Mg2+and Ti4+doping on performance of LiFePO4for lithium-ion batteries[J].Advanced Materials Research,2013,815:423-426.
[23]王震坡，刘文，王悦，等．Mg、Ti离子复合掺杂改性磷酸铁锂正极材料及其电池性能[J]．物理化学学报，2012,28(9):2084-2090.WANG Z P,LIU W,WANG Y,et al.Synthesis and characterization of Mg and Ti ions Co-doped lithium iron phosphate and its lithium-ion batteries[J].Acta Physico-Chimica Sinica,2012,28(9):2084-2090.
[24]SHU H, WANG X, WEN W,et al. Effective enhancement of electrochemical properties for LiFePO4/C cathode materials by Na and Ti co-doping[J].Electrochimica Acta,2013,89(1):479-487.
[25]DING Y H,PING Z.Effect of Mg and Co co-doping on electrochemical properties of LiFePO4[J].Transactions of Nonferrous Metals Society of China,2012,22(S1):s153-s156.
[26]LUO D,HOU X,YANG J,et al.First principles studies on the electronics structures of(Li0.75Na0.25)(Fe0.75Mn0.25)PO4cathode materials[J].Rare Metal Materials and Engineering,2012,41(8):1323-1326.
[27]LI J,QU Q,ZHANG L,et al.A monodispersed nanohexahedral LiFePO4with improved power capability by carbon-coatings[J].Journal of Alloys and Compounds,2013,579(23):377-383.
[28]HE L,ZHA W,CHEN D. Effects of organic phosphorus acid on the core-shell structure and electrochemical properties of LiFePO4 uniformly wrapped with in-situ grown graphene nanosheets[J].Journal of Alloys and Compounds,2017,727:948-955.
[29]郑国瑞，甘礼安，陈春枝，等．柠檬酸对LiFePO4/C复合材料综合性能影响的研究[J]．电源技术，2014,38(2):221-224.ZHENG G R,GAN L A,CHEN C Z,et al.Effect of citric acid on LiFePO4/C composites[J].Chinese Journal of Power Sources,2014,38(2):221-224.
[30]HSIEH C T,PAI C T,CHEN Y F,et al.Preparation of lithium iron phosphate cathode materials with different carbon contents using glucose additive for Li-ion batteries[J].Journal of the Taiwan Institute of Chemical Engineers,2014,815(1):1-8.
[31]DHINDSA K S,MANDAL B P,BAZZI K,et al.Enhanced electrochemical performance of graphene modified LiFePO4 cathode material for lithium ion batteries[J].Solid State Ionics,2013,253(1):94-100.
[32]CABALLERO A,CRUZ-YUSTA M,MORALES J,et al.A New and fast synthesis of nanosized LiFePO4electrode materials[J].European Journal of Inorganic Chemistry,2006(9):1758-1764.
[33]DING Y,JIANG Y,XU F,et al.Preparation of nanostructured LiFePO4/graphene composites by co-precipitation method[J].Electrochemistry Communications,2010,12(1):10-13.
基本信息:
中图分类号:TM912
引用信息:
[1]郑宇,王杜,刘勇奇,等.锂电池LiFePO_4正极材料性能改善方法综述[J].有色金属(冶炼部分),2020(07):76-80.
基金信息:
国家重点研发计划项目（2018YFC1901803）
2020-07-12
2020-07-12