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《Chinese Journal of Power Sources》 2011-08
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Voltage detecting and error analysis of lithium iron phosphate power batteries

HU Yin-quan,LIU He-ping,LIU Ping(State Key Laboratory of Power Transmission Equipment & System Security and New Technology,Chongqing University, Chongqing 400030,China)  
Lithium iron phosphate(LiFePO4) power battery must be connected in series to meet the demand of electric vehicle.In order to avoid some batteries overcharge and overdischarge,and extend the cycle life of batteries,the single battery voltage and other parameters must be detected,and state of charge must be estimated.A simple,low cost,and reliable voltage detection method was described in this paper,the battery voltage detection errors were analyzed,and the corresponding improved method to reduce the errors was proposed.The experimental results show the new battery voltage detection methods can improve the accuracy and validity,and achieve good results in practical applications.
【Fund】: 国家“863”计划资助项目(2003AA501350);; 中央高校基本科研业务费资助(CDJXS11151156)
【CateGory Index】: TM912.9
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 LIN Cheng-tao1,ZHANG Bin1,CHEN Quan-shi1,XIE Yong-cai2(1.State Key Lab of Automotive Safety & Energy,Tsinghua University,Beijing100084,China;2.PLA No.93507 Unit,Hebei Province Shijiazhuang City,Shijiazhuang Hebei050207,China);Comparative research on characteristics and performance of typical tractive battery[J];Chinese Journal of Power Sources;2008-11
2 CHEN Zhao-yong,ZHANG Jian-li,ZHU Hua-li,DENG Ya-ping,ZHU Wei(School of Physics and Electronic Science,Changsha University of Science and Technology,Changsha 410114,China);Preparation of LiFePO_4 and Its Structure Change and Performance Study in the Charge-discharge Cycles[J];Chinese Journal of Synthetic Chemistry;2009-04
3 ZHOU Hong-li HE Li-ping ZHONG Zhi-hua State key Laboratory of Advanced Design and Manufacture for Vehicle Body,Hunan University,Changsha Hunan 410082,China GAO Xue-feng Lexel Battery Shenzhen CO.LTD,Shenzhen Guangdong 518040,China;Dynamic Performance Analysis and SOC Predication of Battery for Electric Vehicle[J];Computer Simulation;2008-01
【Co-citations】
Chinese Journal Full-text Database 2 Hits
1 GUI Chang-qing(No.712 Research Institute,China Shipbuilding Industry Co.,Wuhan,Hubei 430064,China);Influence of temperature on LiFePO_4 Li-ion power battery[J];Battery Bimonthly;2011-02
2 GUI Chang-Qing(CSIC 712 Research Institute,Wuhan,Hubei 430064,China);Market situation of Li-ion power battery[J];Chinese Battery Industry;2011-01
【Secondary Citations】
Chinese Journal Full-text Database 9 Hits
1 Luo Shaohua1,2,Tang Zilong1,Lu Junbiao1,Zhang Zhongtai1(1.Tsinghua University,Beijing 100084,China)(2.Northeastern University at Qinhuangdao Branch,Qinhuangdao 066004,China);Physical and Electrochemical Properties of La-doped Lithium Iron Phosphate Electrodes[J];Rare Metal Materials and Engineering;2007-08
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7 TANG Jin-hong1,2,CHEN Shi1,2,WANG Fang1,3,WU Feng1,2 (1.School of Chemical Engineering and the Environment,Beijing Institute of Technology,Beijing 100081,China; 2.National Development Center of Hi-Tech Green Materials,Beijing 100081,China; 3.Department of Chemistry,Tsinghua University,Beijing 100084,China);Research progress of Ni(OH)_2 electrode modified with cobalt in MH/Ni battery[J];Journal of Functional Materials;2007-05
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