Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Electrochemical Characterization of Tin Oxide Prepared by Microwave Heating

마이크로파로 합성한 주석산화물의 전기화학적 특성

  • Received : 2008.07.08
  • Accepted : 2008.08.02
  • Published : 2008.12.31
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Abstract

Tin oxide was prepared by microwave heating for anode material of lithium ion battery. The samples were heated at 300, 500 and $700^{\circ}C$ for 3h under flowing oxygen after microwave heating. The effect of microwave heating on the electrochemical performance of the manufactured tin oxide and the reversible capacity performance were investigated. Tin oxide heated at $500^{\circ}C$ showed higher capacity than those at $300^{\circ}C$ and $700^{\circ}C$ under microwave heating condition. Comparing microwave and furnace heating, microwave heating condition showed higher capacity. The discharge capacity after microwave heating and $500^{\circ}C$ heating showed 1,500 mAh/g.

마이크로파를 이용하여 주석산화물을 제조한 후에 리튬이온전지의 음극활물질로 사용하였다. 시료들은 마이크로파를 이용하여 가열한 후에 산소분위기에서 300, 500, $700^{\circ}C$로 3시간 열처리하였다. 마이크로파로 제조한 주석산화물의 전기화학적인 특성과 가역용량을 고찰하였다. $500^{\circ}C$로 가열한 주석산화물이 $300^{\circ}C$와 $700^{\circ}C$로 가열한 시료보다 높은 가역용량을 나타내었다. 마이크로파 가열과 전기로 가열을 비교한 결과 마이크로파 가열이 높은 가역용량을 나타내었다. 마이크로파 가열과 $500^{\circ}C$ 가열한 주석산화물의 경우에 초기 방전용량이 1,500 mAh/g으로 나타났다.

Keywords

Acknowledgement

Supported by : 한국에너지자원기술기획평가원

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