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Composition change and capacitance properties of ruthenium oxide thin filmLIU Hong(刘泓)1, GAN Wei-ping(甘卫平)2, LIU Zhong-wu(刘仲武)1, ZHENG Feng(郑峰)2(1. School of Materials Science and Engineering, South... with specific capacitance of 782 F/g. Besides, it is found that the specific capacitance of the film decreased by roughly 20% with voltage scan rate increasing from 5 to 250 mV/s.Key words:ruthenium oxide......
Photocatalytic properties of thin films of ruthenium metallopolymers/gold nanoparticle: Polyoxometalate composites using visible excitationZHU Jie(朱杰) (Shanghai Academy of Environmental Science...:POM] at a ruthenium to Au nanoparticle mole ratio of 48:1, is twice as large as that those found in [Ru-PVP:POM] film.Key words:polyoxometalate; ruthenium metallopolymer; nanoparticles; photocatalysis......
Preparation and Methanol Decomposition Activity of Ruthenium Supported Ce-Doped Mesoporous TiO2 Oxide Zhang Xuehong1,Luo Laitao1,Duan Zhanhui1 (1.Institute of Applied Chemistry, Nanchang University.... The incorporation of Ce3+ ions into the channel wall improves the stability of the mesoporous structure obviously. After ruthenium being loaded by the impregnating method, the Ru particle strongly......
,在一定反应条件下,选择合适的反应时间,实质上就是选择合适的终点过饱和度.在反应温度为95 ℃,溶液钌质量浓度为10 g/L,尿素与钌物质的量比为6:1的条件下,研究反应时间对前驱体颗粒形貌,粒度及产率的影响,结果见图2. 图2 不同反应时间下获得的钌粉前驱体的SEM图 Fig. 2 SEM of ruthenium powder precursors under different... of ruthenium powder 10-6 表4 高纯钌粉GDMS分析结果(质量分数) Table 4 GDMS analysis of high purity ruthenium powder 10-6 图3及图4所示分别为前驱体煅烧氢还原后获得的钌粉的SEM像及粒度分布. 图3 煅烧-氢还原后得到的钌粉的SEM图 Fig. 3 SEM of ruthenium powder after......
Pseudo-capacitance of ruthenium oxide/carbon black composites for electrochemical capacitorsXiaofeng Wang1), Dianbo Ruan1), Peng Wang2), and Yiqiang Lu2) 1) Department of Precision Instruments...">Hydrous ruthenium oxide was formed by a new process. The precursor was obtained by mixing the aqueous solutions of RuCl3·xH2O and NaHCO3. The addition of NaHCO3 led to the formation of an oxide......
La2Ce2O7 supported ruthenium as a robust catalyst for ammonia synthesisWenfeng Han,Zhi Li,Huazhang LiuInstitute of Industrial Catalysis, Zhejiang University of Technology摘 要:La2Ce2O7 nanoparticles were prepared by citric acid complexation method followed by calcination at varied temperatures. Then, supported with 4 wt% Ru, they were evaluated......
La2Ce2O7 supported ruthenium as a robust catalyst for ammonia synthesisWenfeng Han,Zhi Li,Huazhang LiuInstitute of Industrial Catalysis, Zhejiang University of Technology摘 要:La2Ce2O7 nanoparticles were prepared by citric acid complexation method followed by calcination at varied temperatures. Then, supported with 4 wt% Ru, they were evaluated......
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. 关键词: 氧化钌;多孔涂层;阴极材料;混合电容器; 电沉积 中图分类号: TN305 文献标识码: A Preparation and characterization of porous ruthenium oxide coatings as cathode material of hybrid capacitor HE Han-wei1, OU Ding-bin2, LIU... University, Changsha 410083, China) Abstract: Porous ruthenium oxide coatings as cathode material of hybrid capacitor were prepared on tantalum subs-trate by electrodeposition method. Change......
, China) Abstract: To research low-cost, high specific capacitance key composite electrode materials for super-capacitors, ruthenium oxide coated active carbon (RuO2/AC) was prepared by coating and thermal decomposition of ruthenium chloride on AC matrix. The morphology of the composite electrode was investigated by SEM. The performances of RuO2/AC composite membrane electrode at different coating......