JP5095825B2 - 気体吸着媒体及びこれを備える吸着ポンプ装置 - Google Patents
気体吸着媒体及びこれを備える吸着ポンプ装置 Download PDFInfo
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- JP5095825B2 JP5095825B2 JP2010530916A JP2010530916A JP5095825B2 JP 5095825 B2 JP5095825 B2 JP 5095825B2 JP 2010530916 A JP2010530916 A JP 2010530916A JP 2010530916 A JP2010530916 A JP 2010530916A JP 5095825 B2 JP5095825 B2 JP 5095825B2
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Description
(バナジウムナノワイヤー結晶質の製造)
メタバナジン酸アンモニウム0.4gとイオン交換樹脂4gを一緒に80mLの蒸留水に入れ、72時間以上放置し、ナノワイヤーを合成した。割合を一定に調節すれば、時間が経つにつれてゾル形態の物質がゲル形態の物質に変わって、ナノワイヤーが形成される。蒸留水に含まれているナノワイヤーとナノワイヤー化合物を濾過装置に通過させて蒸留水を除去した後、フィルム形状の構造体を製作した。
バナジウムナノワイヤー結晶質の吸着量測定
本実験例では、実施例で製造されたバナジウム五酸化物を気体吸着媒体として含む気体吸着装置の気体吸着量を分析するために、熱重量分析法(TGA)を使用して実験し、その結果を図3に示す。この際、実験方法は、温度による重さ(重量比)の変化を測定し、試料の組成分析及び熱安定性に関する情報を提供し、本実験では、気体が吸着されていない状態で、気体の吸着量が最大どれほどの重量%(W%)になることができるかを調べるために、気体が吸着される以前に吸脱着可能な物質で満たされていた気体吸着媒体の質量と、吸脱着可能な物質がすべて除去された時の気体吸着媒体の質量とを比較し、気体の最大吸着量を測定した。
図5は、水素吸着量を分析したグラフであって、X軸は、時間であり、Y軸は、周波数である。
120 イオン価が変化する物質ナノワイヤー結晶質
130 空き空間
210 気体吸着媒体
220 バナジウム五酸化物ナノワイヤー結晶質
230 水
410 石英振動子
420 電極
430 ナノワイヤー
610 ナノワイヤー吸着物質
620 冷却パネル
630 冷凍機
Claims (14)
- 化学結合に関与しない余分の電子を含みイオン価が変化するナノワイヤー結晶質の酸化バナジウムで形成される層が互いに離隔されている多層の層状構造を有し、各層の間には、吸脱着が可能な分子形態の物質が酸化バナジウムと化学的または物理的に結合されている、気体吸着媒体。
- 前記多層の層状構造において、各層は、互いに0.1nm乃至100nmで離隔されている、請求項1に記載の気体吸着媒体。
- 酸化バナジウムの、2つ以上の構造が互いに連結されて非対称な構造を有する、請求項1又は2に記載の気体吸着媒体。
- 前記酸化バナジウムは、VO2、V2O3、及びV2O5から選択されるいずれか1つである、請求項1〜3のいずれか1項に記載の気体吸着媒体。
- 酸化バナジウムは、ナノ薄膜、ペレット、バルク、またはフィルム形状である、請求項1〜4のいずれか1項に記載の気体吸着媒体。
- 酸化バナジウムは、イオン注入を通じてイオンがドーピングされている、請求項1〜5のいずれか1項に記載の気体吸着媒体。
- 前記イオンは、遷移金属から選択されるいずれか1つである、請求項6に記載の気体吸着媒体。
- メタバナジン酸アンモニウムに、イオン交換樹脂及び溶媒を追加して形成する、請求項1〜7のいずれか1項に記載の気体吸着媒体の製造方法。
- 前記溶媒には、表面積が1平方ナノメートル乃至1000平方マイクロメートルの物質が混合される、請求項8に記載の気体吸着媒体の製造方法。
- 前記溶媒には、炭素ナノチューブ、伝導性ナノワイヤー、非伝導性ナノワイヤー、及び有機物よりなる群から選択されるいずれか1つのナノドット形態の物質が混合される、請求項9に記載の気体吸着媒体の製造方法。
- 前記溶媒には、ポリピロール、ポリアセチレン、及びポリエチレンよりなる群から選択される1つ以上のポリマーが混合される、請求項8に記載の気体吸着媒体の製造方法。
- シラン基を有する分子、アミン基を有する分子、及びカルボキシル基を有する分子よりなる群から選択されるいずれか1つの分子を利用して、酸化バナジウムを表面処理する工程をさらに含む、請求項8〜11のいずれか1項に記載の気体吸着媒体の製造方法。
- 前記シラン基を有する分子は、アミノプロピルトリエトキシシラン(APTES)またはアミノプロピルトリメトキシシラン(APTMS)である、請求項12に記載の気体吸着媒体の製造方法。
- 請求項1〜7のいずれか1項に記載の気体吸着媒体を備える、吸着ポンプ。
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KR1020070123199A KR100931576B1 (ko) | 2007-11-30 | 2007-11-30 | 기체 흡착 매체 및 이를 구비한 흡착 펌프 장치 |
KR10-2007-0123199 | 2007-11-30 | ||
PCT/KR2008/003053 WO2009069868A1 (en) | 2007-11-30 | 2008-05-30 | Gas adsorption medium and gas adsorption pump apparatus using the same |
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