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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.2
- 수록면
- 1 - 11 (11page)
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Additives such as glycerol, methanol, acetone, and ethanol were used to prevent NaBO₂ from precipitation, and their effects on hydrogen generation properties of NaBH₄ hydrolysis were investigated. When the concentration of additives was 5 wt%, the additives such as methanol, acetone, and ethanol could not prevent NaBO₂ precipitation. Although glycerol prevented NaBO₂ precipitation, conversion efficiency decreased to 78.0% due to its viscosity. Based on test results, hydrogen generation tests were also performed at various concentration of glycerol and methanol to investigate the concentration effects on hydrogen generation properties. As the concentration of glycerol increased from 1 wt% to 3 wt%, conversion efficiency increased owing to additive effect. When its concentration increased to 5 wt%, conversion efficiency decreased due to its viscosity. As the concentration of methanol increased from 5 wt% to 10 wt%, conversion efficiency increased owing to additive effect. When its concentration increased to 15 wt%, conversion efficiency decreased due to NaB(OCH3)4 precipitate. Although conversion efficiency decreased about 1% when 3 wt% glycerol was added, NaBO₂ precipitation was prevented. Consequently, addition of 3 wt% glycerol to NaBH₄ solution improves stability of hydrogen generation system.
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