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      KCI등재

      코발트 산화물 리튬 이온 배터리 용량 및 사이클 안정성에 대한 코발트 산화물/첨가제 계면 및 결정립 크기의 영향 = Effect of Co3O4/Additive Interface and Crystallite Size on Co3O4 Li-ion Battery Capacity and Cycle Stability

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      https://www.riss.kr/link?id=A108139469

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      다국어 초록 (Multilingual Abstract)

      Due to its high theoretical capacity in the conversion reaction, Co3O4, a transition metal oxide, has been attracting attention as an anode material for lithium-ion batteries. Comparing conventional slurry method with the electrophoretic deposition (EPD) method without additives (conductive agents and binders), we investigated the effect of the Co3O4/additive interface and thermal annealing-induced Co3O4 crystallite size on Li-ion battery capacity and cycle stability. The EPD deposition system based on Co3O4 active material without additives was not significantly affected by thermal annealing-induced crystallite size. However, the slurry deposition system in which Co3O4/binder and Co3O4/conductive agent interfaces are embedded showed significant differences in capacity and cycle stability. This result reveals that the Co3O4/additive interface in the slurry system works as a limiting step, depending on the Co3O4 crystallite size, for reversible electrochemical reactions associated with Li-ion battery charging/discharging processes. On the other hand, for the EPD system, the capacity was higher than that in the slurry system with superior cycle stability, indicating that the limiting step was eliminated by removing the Co3O4/additive interface. Moreover, the current collector/active material interface was demonstrated to be crucial in determining the intrinsic electrochemical properties of Co3O4 in the EPD system. Our findings contribute further understanding of the relationship between the battery electrode/additive interface and the electrochemical reaction resulting from the conversion reaction in transition metal oxide electrode materials.
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      Due to its high theoretical capacity in the conversion reaction, Co3O4, a transition metal oxide, has been attracting attention as an anode material for lithium-ion batteries. Comparing conventional slurry method with the electrophoretic deposition (E...

      Due to its high theoretical capacity in the conversion reaction, Co3O4, a transition metal oxide, has been attracting attention as an anode material for lithium-ion batteries. Comparing conventional slurry method with the electrophoretic deposition (EPD) method without additives (conductive agents and binders), we investigated the effect of the Co3O4/additive interface and thermal annealing-induced Co3O4 crystallite size on Li-ion battery capacity and cycle stability. The EPD deposition system based on Co3O4 active material without additives was not significantly affected by thermal annealing-induced crystallite size. However, the slurry deposition system in which Co3O4/binder and Co3O4/conductive agent interfaces are embedded showed significant differences in capacity and cycle stability. This result reveals that the Co3O4/additive interface in the slurry system works as a limiting step, depending on the Co3O4 crystallite size, for reversible electrochemical reactions associated with Li-ion battery charging/discharging processes. On the other hand, for the EPD system, the capacity was higher than that in the slurry system with superior cycle stability, indicating that the limiting step was eliminated by removing the Co3O4/additive interface. Moreover, the current collector/active material interface was demonstrated to be crucial in determining the intrinsic electrochemical properties of Co3O4 in the EPD system. Our findings contribute further understanding of the relationship between the battery electrode/additive interface and the electrochemical reaction resulting from the conversion reaction in transition metal oxide electrode materials.

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      참고문헌 (Reference)

      1 V. Etacheri, 4 (4): 3243-, 2011

      2 G. Huang, 6 (6): 7236-, 2014

      3 D. Aurbach, 89 (89): 206-, 2000

      4 P. Harks, 288 : 92-, 2015

      5 M. Park, 195 (195): 7904-, 2010

      6 D. Aurbach, 50 (50): 247-, 2004

      7 M. Gauthier, 6 (6): 4653-, 2015

      8 T. R. Jow, 165 (165): 361-, 2018

      9 M. Ghiyasiyan-Arani, 183 : 107734-, 2020

      10 Y. Liang, 14 (14): 1702514-, 2018

      1 V. Etacheri, 4 (4): 3243-, 2011

      2 G. Huang, 6 (6): 7236-, 2014

      3 D. Aurbach, 89 (89): 206-, 2000

      4 P. Harks, 288 : 92-, 2015

      5 M. Park, 195 (195): 7904-, 2010

      6 D. Aurbach, 50 (50): 247-, 2004

      7 M. Gauthier, 6 (6): 4653-, 2015

      8 T. R. Jow, 165 (165): 361-, 2018

      9 M. Ghiyasiyan-Arani, 183 : 107734-, 2020

      10 Y. Liang, 14 (14): 1702514-, 2018

      11 Y. Zhao, 7 (7): 1601424-, 2017

      12 S. S. Zhang, 7 (7): 3569-, 2020

      13 T. Li, 410 : 213221-, 2020

      14 Y. Shi, 343 : 427-, 2018

      15 F. Zhan, 15 (15): 6169-, 2009

      16 D. Tian, 54 (54): 8159-, 2015

      17 Y. Ma, 5 (5): 1800222-, 2018

      18 N. Yan, 116 (116): 7227-, 2012

      19 H. M. Otte, 32 (32): 1536-, 1961

      20 S. Rahman, 39 (39): 5235-, 2013

      21 Z. -S. Wu, 4 (4): 3187-, 2010

      22 H. -J. Kim, 9 (9): 1161-, 2020

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2023 평가예정 해외DB학술지평가 신청대상 (해외등재 학술지 평가)
      2020-01-01 평가 등재학술지 유지 (해외등재 학술지 평가) KCI등재
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      2008-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2006-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2004-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2001-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      1998-07-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 1.24 1.12 0.9
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.73 0.6 0.835 0.2
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