Zobrazeno 31 - 40
of 143
pro vyhledávání: '"623"'
Publikováno v:
Journal of Materials Science & Technology. 58:10-15
Defect existing form and its evolution play an important role in the thermoelectric transport process. Here different forms of Pb into the SnSe system were introduced in order to improve the thermoelectric and mechanical properties of SnSe. Pb/SnSe s
Publikováno v:
International Journal of Hydrogen Energy. 45:32221-32233
Based on the catalytic effects of transition metals and rare earth metals on magnesium hydride, precipitation behavior of nanocrystalline LaH3 and Mg2Ni has been discussed and correlated with the de-/hydrogenation thermodynamic of Mg-rich alloys in t
Autor:
Virginia M. Vaschetti, Analía L. Cánepa, Griselda A. Eimer, Vicente Cortés Corberán, Sandra G. Casuscelli, Karen C. Pájaro
Publikováno v:
Catalysis Today. 356:464-470
Catalysts V-MCM-41 with different V contents (0.09-0.90 wt.%), synthesized by the template ion-exchange (TIE) method, have been investigated for acetaldehyde production by selective oxidation of ethanol, studying the effects of reaction temperature,
Autor:
Zhenmin Ding, Xinjun Li, Shuhua Zhou, Yaokun Fu, Lailei Wu, Shumin Han, Yuan Li, Shuqin Ren, Wenfeng Wang, Lu Zhang
Publikováno v:
International Journal of Hydrogen Energy. 45:28154-28162
Magnesium-based hydrogen storage materials (MgH2) are promising hydrogen carrier due to the high gravimetric hydrogen density; however, the undesirable thermodynamic stability and slow kinetics restrict its utilization. In this work, we assist the de
Publikováno v:
International Journal of Hydrogen Energy. 45:21625-21634
Herein, the influence of Ti substitution on microstructure and hydrogen absorption behavior of annealed ZrxTi7-xV5Fe (x = 0, 0.3, 0.9, 1.5 and 2.1) alloys is systematically studied. The results reveal that the Ti-substituted alloys contain only α-Zr
Autor:
Yijuan Li, Weizhen Liu, Meilin Liu, Wentao Zhong, Chenghao Yang, Guilin Chen, Junhua Hu, Fenghua Zheng, Xiaohong Ji, Zhang Lin
Publikováno v:
Energy Storage Materials. 25:547-554
The shuttle effect causing by the dissolution of lithium polysulfides (LiPSs) and sluggish redox reaction kinetics during the charge/discharge processes significantly reduce the cycle life and sulfur utilization in lithium-sulfur (Li–S) batteries.
Publikováno v:
International Journal of Hydrogen Energy. 45:6701-6712
In the light of positive effects of rare earth and transition metals on the hydrogen absorption/desorption properties of magnesium, the Mg20La–5TiH2, Mg20Ni–5TiH2 and Mg10Ni10La–5TiH2 composites have been prepared in this work to ameliorate the
Autor:
Zhang Hong-Wei, Li Zhengkun, Li Hong, Liu Dingming, Zhang Long, Zhang Haifeng, Wang Ai-min, Hua-meng Fu, Zhu Zhengwang, Wu Longjun
Publikováno v:
Journal of Materials Science & Technology. 37:64-70
The deformation behavior of a TiZr-based bulk metallic glass composite (BMGC) was characterized in the supercooled liquid region (SLR) from 623 K to 693 K. It was observed that the alloy exhibits the deformation behavior from work softening at low te
Autor:
Vu Duc Tu, Pham Thi Minh Chau, Vu Thi Thai Ha, Nguyen Duy Hung, Ho Van Tuyen, Nguyen Thi Quy Hai, Tran Kim Anh, Wieslaw Strek, Le Quoc Minh
Publikováno v:
Journal of Rare Earths. 37:1126-1131
Gd2O3:Er3+ nanophosphors were fabricated by the combustion method in presence of Na2 ethylene diamine tetra acetic acid (EDTA-Na2) as fuel at not high temperature (≤350 oC) within a very short time of 5 min. The added concentration of Er3+ ions in
Autor:
Masood S. Alivand, Omid Tavakoli, Ebrahim Ghasemy, Alirmorad Rashidi, Neda Haj Mohammad Hossein Tehrani, Mehdi D. Esrafili, Mahnoush Najmi, Omid Mazaheri, Ali Kamali
Publikováno v:
Chemical Engineering Journal. 374:274-291
In this research, preparation of waste-derived nanoporous carbon from Iranian asphaltene (IANC), which was further tuned and engineered to exceptionally adsorb amoxicillin (AMX) and metronidazole (MNZ) antibiotics, is reported. Structural tuning and