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| 1 | Oxygen adsorption/desorption behavior of YBaCo4O7+δ and its application to oxygen removal from nitrogen显示文摘A new medium-temperature (200-400℃) adsorbent material for oxygen removal and air separation, YBaCo4O7+β, was prepared by the solid-state reaction method. This new adsorbent could adsorb a large quantity of oxygen in the temperature range of 200-370 ℃. Ad-sorbed oxygen could be released by raising temperature over 400 ℃ or by switching the atmosphere from oxygen to nitrogen. This oxygen adsorption and desorption process had good reproducibility. Taking advantage of this unique oxygen intake/release behavior, a nitrogen puri-fication process was investigated. The results showed that YBaCo4O7+δ material was a promising candidate for the oxygen sorption process and could be used to produce high-purity nitrogen or to remove trace oxygen from other gases. | HAO Haoshan ZHAO Limin FIU Jie HU Xing HOU Hongwei | 2009 | Journal of Rare Earths2009，27，5： | 8 |
| 2 | Modifying the oxygen adsorption properties of YBaCo4O7 by Ca, Al, and Fe doping显示文摘 | Song Wang Haoshan Hao Baofeng Zhu Jianfeng Jia Xing Hu | 2008 | Journal of Materials Science2008，，15： | 1 |
| 3 | High-temperature Thermoelectric Properties of Cu-substituted Bi_2Ba_2Co_(2-x)Cu_xO_y Oxides显示文摘Cu-substituted Bi2Ba2Co2-xCuxOy(0.0≤x≤0.4) samples were prepared by conventional solid-state reaction method and the effect of Cu substitution on the microstructure and thermoelectric properties were investigated.The partial substitution of Cu for Co in Bi2Ba2Co2-xCuxOy led to an increase in the electrical conductivity because of an increase in the hole concentration and grain size of sintered bodies.In addition,Cu substitution led to an increase in Seebeck coefficients while kept the thermal conductivity unchanged.The highest thermoelectric figure of merit(ZT value) was obtained in x=0.4 sample and the value was 1.5 times as large as that of Cu-free sample at 873 K. | Haoshan Hao Huizhi Yang Yongtao Liu Xing Hu | 2011 | Journal of Materials Science & Technology2011，27，6： | 1 |
| 4 | Oxygen absorption properties of YBaCo4O7-type compounds 显示文摘 | Hao Haoshan Cui Jianghua Chen Changqing | 2006 | Solid State lonics2006，177，： | 1 |
| 5 | Modifying the oxygen absorption properties of YBaCo4O7 by Ca, A1, and Fe doping 显示文摘 | Wang Song Hao Haoshan Zhu Baofeng | 2008 | Journal of Materials Science2008，43，15： | 1 |
| 6 | Fieh| Emission Properties o|' the Globe-Like Diamond Microcrystalline Aggregate Fihns Grown by M PCV l) 显示文摘 | Gao Jinhai Zhao l imin Hao Haoshan | 2010 | Physcia B2010，4405，1： | 1 |
| 7 | Electronic transport properties of YBaCo 2? x Cu x O 5+ δ (0? x ?1) at high temperature显示文摘 | Xiantu Zhang Haoshan Hao Xing Hu | 2008 | Physica B: Physics of Condensed Matter2008，，19： | 1 |
| 8 | Modifying the oxygen adsorption properties of YBaCo4O7 by Ca, Al, and Fe doping显示文摘 | Song Wang Haoshan Hao Baofeng Zhu Jianfeng Jia Xing Hu | 2008 | Journal of Materials Science2008，，15： | 1 |
| 9 | Modifying the oxygen adsorption properties of YBaCo4O7 by Ca, Al, and Fe doping显示文摘 | Song Wang Haoshan Hao Baofeng Zhu Jianfeng Jia Xing Hu | 2008 | Journal of Materials Science2008，，15： | 1 |
| 10 | Field emission properties of the globe-like diamond microcrystalline aggregate films grown by MPCVD显示文摘 | Jinhai Gao Limin Zhao Haoshan Hao | 2009 | Physica B: Physics of Condensed Matter2009，，1： | 1 |
| 11 | Microstructure and Thermoelectric Properties of Bi- and Cu-Substituted Ca_3Co_4O_9 Oxides显示文摘Bi- and Cu-substituted Ca3Co4O9 samples were prepared by conventional solid-state reaction method and the effect of element substitution on the microstructures and thermoelectric properties was investigated. Partial substitution of Cu for Co leads to an increase in electrical conductivity and a decrease in Seebeck coeffcient due to the rise of hole concentration. The microstructure of Cu-substituted sample is almost unchanged compared with undoped Ca3Co4O9. On the other hand, partial substitution of Bi for Ca gives rise to a significant increase in the grain size, and c-axis-oriented structure can be formed in Ca2.7Bi0.3Co4O9, resulting in an obvious increase in electrical conductivity. Cu and Bi co-substitution further increases the grain growth and the electrical conductivity of Ca2.7Bi0.3Co3.7Cu0.3O9. Thus, Cu and Bi co-substitution samples possess the optimal thermoelectric performance at high temperature and the highest value of power factor can reach 3.1×10-4 Wm-1·K-2 at 1000 K. | Haoshan Hao Limin Zhao Xing Hu | 2009 | Journal of Materials Science & Technology2009，25，1： | 0 |
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