Development of functional properties in ceramics by microstructure control using a magnetic field

Tohru Suzuki

研究成果: Article

抄録

Tailoring the crystallographic orientation in ceramics is very useful for improving their properties. A magnetic field is shown to be very effective in controlling the crystallographic orientation in bulk ceramics. The particles were rotated to an angle minimizing the system energy by a magnetic torque generated from the interaction between the magnetic anisotropy and the applied magnetic field. This processing was applied to control the microstructure in lanthanum silicate oxyapatite (LSO) for SOFC and LiCoO2 for Li ion secondary battery. Electric conductivity parallel to the c-axis in the c-axis oriented LSO was higher than that perpendicular to the c-axis. The battery performance of the ideal textured cell fabricated using a rotating magnetic field has a significantly higher performance than a oriented cell prepared by a static magnetic field.

元の言語English
ページ(範囲)41-45
ページ数5
ジャーナルJournal of the Society of Powder Technology, Japan
54
発行部数1
DOI
出版物ステータスPublished - 2017 1 1
外部発表Yes

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Magnetic fields
Lanthanum
Silicates
Microstructure
Secondary batteries
Magnetic anisotropy
Electric conductivity
Solid oxide fuel cells (SOFC)
Torque
Ions
Processing

ASJC Scopus subject areas

  • Process Chemistry and Technology
  • Catalysis
  • Filtration and Separation
  • Fluid Flow and Transfer Processes

これを引用

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