APPARATUS AND METHOD FOR ESTIMATING POWER OF SECON
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专利名称：APPARATUS AND METHOD FOR
ESTIMATING POWER OF SECONDARY
BATTERY COMPRISING BLENDED CATHODE
MATERIAL
发明人：Won-Tae JOE,Sun-Young CHA
申请号：US14531365
申请日：20141103
公开号：US20150051855A1
公开日：
20150219
专利内容由知识产权出版社提供
专利附图：
摘要：Disclosed is an apparatus and method for estimating a power of a secondary
battery comprising a blended cathode material. The apparatus according to the present invention estimates a power of a secondary battery comprising a blended cathode material in which at least a first cathode material and a second cathode material are blended, the apparatus comprising a discharging means for discharging the secondary battery under conditions of a plurality of discharge rates (c-rate) different from each other, a sensor means for measuring a plurality of discharge termination voltages (V) corresponding to the conditions of the plurality of discharge rates, and a control means for approximating a correlation between the plurality of discharge rates and the plurality of discharge termination voltages by a two-dimensional linear equation, calculating a maximum discharge rate (C) of the secondary battery corresponding to a minimum discharge voltage (V) using the linear equation, and estimating a maximum power (P) of the secondary battery from the calculated maximum discharge rate.
申请人：LG CHEM, LTD.
地址：Seoul KR
国籍：KR
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