Fabrication of solid thin film electrolyte and LiCoO2 by aerosol flame pyrolysis deposition

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作者
Cho, Kihyun [1 ]
Oh, Jangwon [1 ]
Lee, Taewon [1 ]
Shin, Dongwook [1 ]
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[1] Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea, Republic of
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Aerosol flame pyrolysis deposition method was applied to deposit the oxide glass electrolyte film and LiCoO2 cathode for thin film type Li-ion secondary battery. The thicknesses of as-deposited porous LiCoO2 and Li2O-B2O3-P2O5 electrolyte film were about 6 μm and 15 μm; respectively. The deposited LiCoO2 was sintered for 2 min at 700 °C to make partially densified cathode layer; and the deposited Li2O-P2O5-B2O3 glass film completely densified by the sintering at 700 °C for 1 h. After solid state sintering process the thicknesses were reduced to approximately 4 μm and 6 μm; respectively. The cathode and electrolyte layers were deposited by continuous deposition process and integrated into a layer by co-sintering. It was demonstrated that Aerosol flame deposition is one of the good candidates for the fabrication of thin film battery. © 2007 Elsevier B.V. All rights reserved;
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页码:502 / 506
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