Electrochemical Performance of Li4Ti5O12 Particles Manufactured Using High Pressure Synthesis Process for Lithium Ion Battery

Sung Hwa Ji; Wan Taek Jo; Hyun Hyo Kim; Hyojin Kim

doi:10.3740/MRSK.2018.28.6.337

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2018 Vol.28, Issue 6 Preview Page Next Page

Electrochemical Performance of Li₄Ti₅O₁₂ Particles Manufactured Using High Pressure Synthesis Process for Lithium Ion Battery 초고압 합성법으로 제조한 리튬이온전지 음극활물질 Li₄Ti₅O₁₂의 전기화학적 특성

June 2018. pp. 337-342

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Abstract

Using a high pressure homonizer, we report on the electrochemical performance of Li₄Ti₅O₁₂(LTO) particles manufactured as anode active material for lithium ion battery. High-pressure synthesis processing is performed under conditions in which the mole fraction of Li/Ti is 0.9, the synthesis pressure is 2,000 bar and the numbers of passings-through are 5, 7 and 10. The observed X-ray diffraction patterns show that pure LTO is manufactured when the number of passings-through is 10. It is found from scanning electron microscopy analysis that the average size of synthesized particles decreases as the number of passings-through increases. LiCoO₂-based active cathode materials are used to fabricate several coin half/full cells and their battery characteristics such as lifetime, rate capability and charge transfer resistance are then estimated, revealing quite good electrochemical performance of the LTO particles as an effective anode active material for lithium secondary batteries.

Keywords

lithium ion battery

anode active material

metal oxide

high pressure homogenizer

continuous manufacturing system

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Information

Publisher :Materials Research Society of Korea
Publisher(Ko) :한국재료학회
Journal Title :Korean Journal of Materials Research
Journal Title(Ko) :한국재료학회지
Volume : 28
No :6
Pages :337-342
Received Date : 2018-02-01
Revised Date : 2018-05-23
Accepted Date : 2018-05-24
DOI :https://doi.org/10.3740/MRSK.2018.28.6.337

Korean Journal of Materials Research ISSN:1225-0562(Print) 2287-7258(Online) 한국재료학회지

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