한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제40권7호
  • /
  • Pages.620-624
  • /
  • 2003
  • /
  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지
DOI QR코드

DOI QR Code

Discharge Capacity Fading of LiCoyMn2-yO4 with Cycling

  • Kwon, Ik-Hyun (Division of Advanced Materials Engineering, Research Center of Advanced Materials Development, Engineering Research Institute, Chonbuk National University) ;
  • Song, Myoung-Youp (Division of Advanced Materials Engineering, Research Center of Advanced Materials Development, Engineering Research Institute, Chonbuk National University)
  • 발행 : 2003.07.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

LiCo$_{y}$Mn$_{2-y}$O$_4$ samples were synthesized by calcining a mixture of LiOH.$H_2O$, MnO$_2$ (CMD) and CoCO$_3$ calcining at 40$0^{\circ}C$ for 10 h and then calcining twice at 75$0^{\circ}C$ for 24 h in air with intermediate grinding. All the synthesized samples exhibited XRD patterns for the cubic spinel phase with a space group Fd(equation omitted)m. The electrochemical cells were charged and discharged for 30 cycles at a current density 600 $mutextrm{A}$/$\textrm{cm}^2$ between 3.5 and 4.3 V. As the value of y increases, the size of particles becomes more homogeneous. The first discharge capacity decreases as the value of y increases, its value for y=0.00 being 92.8 mAh/g. The LiMn$_2$O$_4$ exhibits much better cycling performance than that reported earlier. The cycling performance increases as the value of y increases. The efficiency of discharge capacity is 98.9％ for y=0.30. The larger lattice parameter for the smaller value of y is related to the larger discharge capacity. The more quantity of the intercalated and the deintercalated Li in the sample with the larger discharge capacity brings about the larger capacity fading rate.ate.

키워드

참고문헌

  1. Solid State Ionics v.69 Lithium-ion Rechargeable Batteries with LiCoO₂and Carbon Electrodes:The LiCoO₂/C System K.Ozawa https://doi.org/10.1016/0167-2738(94)90411-1
  2. J. Solid State Chem. v.134 Structure and Electrochemical Properties of Boron-doped LiCoO₂ R.Alcantara;P.Lavela;J.L.Tirado;R.Stoyanova;E.Zhecheva https://doi.org/10.1006/jssc.1997.7552
  3. J. Power Sources v.72 Synthesis by Solgel Process and Characterization of LiCoO₂Cathode Materials Z.S.Peng;C.R.Wan;C.Y.Jiang https://doi.org/10.1016/S0378-7753(97)02689-X
  4. J. Electrochem. Soc. v.138 The Spinel Phase of $LiMn_{2}O_{4}$ as a Cathode in Secondary Lithium Cells J.M.Tarascon;E.Wang;F.K.Shokoohi;W.R.McKinnon;S.Colson https://doi.org/10.1149/1.2085330
  5. J. Power Sources v.111 Synthesis by Sol-gel Method and Electrochemical Properties of LiNiO₂Cathode Material for Lithium Secondary Battery M.Y.Song;R.Lee https://doi.org/10.1016/S0378-7753(02)00263-X
  6. J. Kor. Ceram. Soc. v.38 no.6 A Study on the Synthesis and the Electrochemical Properties of $LiNi_{1-y}Co_{y}O_{2}$ from $Li_{2}CO_{3}$, and $CoCO_{3}$ H.Rim;S.G.Kang;S.H.Chang;M.Y.Song
  7. Solid State Ionics v.156 no.3;4 Synthesis by Sol-gel Method and Electrochemical Properties of $LiNi_{1-y}Al_{y} O_{2}$ Cathode Materials for Lithium Secondary Battery M.Y.Song;R.Lee;I.H.Kwon https://doi.org/10.1016/S0167-2738(02)00751-8
  8. J. Kor. Ceram. Soc. v.40 no.6 Synthesis of Cathode Materials $LiNi_{1-y}Co_{y}O_{2} from Various Starting Materials and their Electrochemical Properties M.Y.Song;H.Rim;E.Y.Bang;S.G.Kang;S.H.Chang https://doi.org/10.4191/KCERS.2003.40.6.507
  9. Solid State Ionics v.44 Structure and Electrochemistry of $Li_{1+y]NiO_{2}$ and a New $Li_{2}NiO_{2}$ Phase with the $Ni(OH)_{2}$ Structure J.R.Dahn;U. von Sacken;C.A.Michal https://doi.org/10.1016/0167-2738(90)90049-W
  10. J. Electrochem. Soc. v.138 Rechargeable LiNiO₂/Carbon Cells J.R.Dahn;U. von Sacken;M.W.Juzkow;H. Al-Janaby https://doi.org/10.1149/1.2085950
  11. Solid State Ionics v.45 On the Thermal Stability and Defect Structure of the Solid Solution $Li_{x}Ni_{1-x}O_{2}$ A.Marini;V.Massarotti;V.Berbenni; D.Capsoni;R.Riccardi;E.Antolini;B.Passalacqua https://doi.org/10.1016/0167-2738(91)90113-P
  12. Solid State Ionics v.69 The LiNiO₂/Carbon Lithium-ion Battery W.Ebner;D.Fouchard;L.Xie https://doi.org/10.1016/0167-2738(94)90413-8
  13. Solid State Ionics v.112 On the Capacity Deterioration of Spinel Phase $LiMn_{2}O_{4}$ with Cycling around 4 V M.Y.Song;D.S.Ahn https://doi.org/10.1016/S0167-2738(98)00218-5
  14. J. Power Sources v.83 Capacity Fading of Spinel Phase $LiMn_{2}O_{4}$ with Cycling M.Y.Song;D.S.Ahn;H.R.Park https://doi.org/10.1016/S0378-7753(99)00256-6
  15. J. Electrochem. Soc. v.147 Variations of the Electrochemical Properties of $LiMn_{2}O_{4}$ with Synthesis Conditions D.S.Ahn;M.Y.Song https://doi.org/10.1149/1.1393285
  16. J. Kor. Ceram. Soc. v.39 no.6 Variations of the Electrochemial Properties of $LiMn_{2}O_{4}$ with the Calcining Temperature M.Y.Song; M.S.Shon https://doi.org/10.4191/KCERS.2002.39.6.523
  17. J. Kor. Ceram. Soc. v.40 no.5 Electrochemical Properties of $LiNi_{y}Mn_{2-y}O_{4}$ Prepared by the Solid-state Reation M.Y.Song;I.H.Kwon;M.S.Shon https://doi.org/10.4191/KCERS.2003.40.5.401
  18. Solid State Ionics v.158 no.1;2 Electrochemical Properties of $LiCo_{y}Mn_{2-y}O_{4}$ Synthesized by the Combustion Method for Lithium Secondary Battery I.H.Kwon;M.Y.Song https://doi.org/10.1016/S0167-2738(02)00750-6
  19. J. Power Sources v.68 Synthesis and Properties of Gallium-doped LiNiO₂ as the Cathode Material for Lithium Secondary Batteries Y.Nishida;K.Nakane;T.Stoh https://doi.org/10.1016/S0378-7753(97)02535-4
  20. J. Power Souces v.68 $LiMn_{2-x}Co_{x}O_{4}$ Cathode with Enhanced Cycleability B.Banov;Y.Todorov;A.Trifonova;A.Momchilov;V.Manev https://doi.org/10.1016/S0378-7753(97)02647-5