Study on a visible analysis of Jahn-Teller distortion in Li secondary batteries

• Project/Area Number: 18760013
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Applied materials science/Crystal engineering
• Research Institution: Osaka Kyoiku University
• Principal Investigator: KUSHIDA Kazumasa Osaka Kyoiku University, 教育学部, 准教授 (80372639)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥2,150,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥150,000); Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2007: ¥500,000 (Direct Cost: ¥500,000); Fiscal Year 2006: ¥1,000,000 (Direct Cost: ¥1,000,000)
• Keywords: 新機能材料 / リチウムイオン二次電池 / 原子間力顕微鏡

Research Abstract

ゾル-ゲル・スピンコーティング法を用い、シリコン基板上にFe置換LiMn_2O_4膜を作成する手法を確立した。作成した試料に対し、100〜500サイクルの充放電実験を行い、上記のFe置換量に対する放電容量を調べ、ヤーン・テラー格子歪抑制効果との相関性を調べた。また、その際の表面形状変化を原子間力顕微鏡(AFM)を用いて観察した。さらに、同試料の電気伝導特性および光物性を評価した。

Research Products

• [Journal Article] (2008)
  • Author(s): K. Kuriyama, J. Anzawa and K. Kushida
  • Journal Title: J. Crystal Growth vol. 330 Pages: 2298-2300
  • Peer Reviewed
• [Journal Article] GROWTH AND BAND GAP OF THE FILLED TETRAHEDRAL SEMIC ONDUCTOR Li_3AlP_2 (2008)
  • Author(s): K. Kuriyama, J. Anzawa and K. Kushida
  • Journal Title: Journal of Crystal Growth 310 Pages: 2298-2300
  • Peer Reviewed
• [Journal Article] Small polaron transport in Li7MnN4 containing isolated MnN4 tetrahedra (2008)
  • Author(s): K. Kuriyama, Y. Suzuki and K. Kushida
  • Journal Title: Solid State Communications 148 Pages: 508-510
  • Peer Reviewed
• [Journal Article] (2007)
  • Author(s): K. Kuriyama, A. Onoue, Y. Yuasa and K. Kushida
  • Journal Title: Surface Science Vol. 601 Pages: 2256-2259
  • Peer Reviewed
• [Journal Article] (2007)
  • Author(s): K. Kuriyama, Y. Yamashita, T. Ishikawa, K. Kushida
  • Journal Title: Phys. Rev. B Vol. 75
  • Peer Reviewed
• [Journal Article] (2007)
  • Author(s): K. Kushida and K. Kuriyama
  • Journal Title: Phys. Rev. B Vol. 76
  • Peer Reviewed
• [Journal Article] Modification of electronic structure induced by local lattic e distortion in Li_3GaN_2 and Li_3AIN_2: Simulation by discrete variational Xα method (2007)
  • Author(s): K. Kushida, K. Kuriyama
  • Journal Title: Phys. Rev. B 76
  • Peer Reviewed
• [Journal Article] Raman scattering from the filled tetrahedral semiconductor LiMgN: Identification of the disordered arrangement between Li and Mg (2007)
  • Author(s): K. Kuriyama, Y. Yamashita, T. Ishikawa, K. Kushida
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Atomic force microscopy study of surface morphology change in spinel LiMn_2O_4: Possibility of direct observation of Jahn-Teller instability (2007)
  • Author(s): K. Kuriyama, A. Onoue, Y. Yuasa, K. Kushida
  • Journal Title: Surface Science 601 Pages: 2256-2269
  • Peer Reviewed
• [Journal Article] (2006)
  • Author(s): K. Kushida and K. Kuriyama
  • Journal Title: Physic a Status Solid (c) Vol. 3 Pages: 2800-2803
  • Peer Reviewed
• [Journal Article] Band gap of LiInO_2 synthesized by a sol-gel method (2006)
  • Author(s): K.Kushida, K.Kuriyama
  • Journal Title: Phys. Stat. Sol. (c) 3 Pages: 2800-2083
• [Journal Article] Thermally stimulated current studies on deep levels in hydrothermally grown single crystal ZnO bulk (2006)
  • Author(s): K.Kuriyama, M.Ooi, K.Matsumoto, K.Kushida
  • Journal Title: Appl. Phys. Lett. 89
• [Journal Article] Thermally stimulated current studies on neutron irradiation induced defects in GaN (2006)
  • Author(s): K.Kuriyama, M.Ooi, A.Onoue, K.Kushida
  • Journal Title: Appl. Phys. Lett. 89
• [Presentation] (2007)
  • Author(s): K. Kuriyama, J. Anzawa, K. Kushida
  • Organizer: 15th. Int. Conf. Crystal Growth
  • Place of Presentation: Salt Lake City
• [Presentation] (2007)
  • Author(s): K. Kushida and K. Kuriyama
  • Organizer: 15th. Int. Conf. Crystal Growth
  • Place of Presentation: Salt Lake City
• [Presentation] (2007)
  • Author(s): K. Kuriyama, Y. Yamashita, T. Ishikawa and K. Kushida
  • Organizer: 15th. Int. Conf. Crystal Growth
  • Place of Presentation: Salt Lake City
• [Presentation] (2006)
  • Author(s): K. Kuriyama, T. Ishikawa and K. Kushida
  • Organizer: 28th. Int. Conf. Phys. Semicond.
  • Place of Presentation: Wien
• [Presentation] (2006)
  • Author(s): K. Kuriyama, A. Onoue, Y. Yuasa and K. Kushida
  • Organizer: 28th. Int. Conf. Phys. Semicond.
  • Place of Presentation: Wien
• [Book] 「全固体型二次電池の要素技術-安全性と性能の両立-」第2章第4節 (2007)
  • Author(s): 栗山一男、串田一雅
  • Publisher: サイエンス&テクノロジー株式会社
• [Remarks]
  • URL: http://ir.lib.osaka-kyoiku.ac.jp/dspace/