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金属和金属硫族化合物纳米晶的可控合成及其氧还原性能研究

Controllable Synthesis of Metal and Metal Chalcogenide Nanocrystals as Electrocatalyst for Oxygen Reduction Reaction
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摘要 可再生型H_2-O_2燃料电池在新能源体系中举足轻重,而优质电催化剂是其广泛生产和应用的关键.该研究设计出新颖的非水体系化学置换法,进而调控纳米晶的成核及生长过程,可控合成具有亚稳态结构的多组份金属和硫族化合物纳米晶催化剂.系统研究亚稳态结构与催化性能关联,在可再生型H_2-O_2燃料电池领域电催化剂存在的问题上取得突破,从而为将来大规模生产具有特殊性能的纳米粒子,设计研制先进的纳米电子器件提供理论基础和实践指导. The regenerable hydrogen-oxygen fuel cell plays an important role in the new energy system, and the high quality electrocatalyst is the key to the extensive production and application. This research designs a new method that can control the nucleation and growth environment of metastable nanocrystals, and further achieve the controllable synthesis of metastable multicomponent metal and metal chalcogenides nanocrystals. On the basis of further systematic research on the relationship between the metastable structure and the catalytic performance of the catalyst which has the best effect, this thesis aims to solve the existing problems which electrocatalyst has to face in the regenerable hydrogen-oxygen fuel cell area. Furthermore, this research provides the theoretical basis and practi-cal guidance for the mass production of nanoparticles, which have special properties, and for the design of ad-vanced nanoelectronic devices.
出处 《南京晓庄学院学报》 2016年第6期57-62,74,共7页 Journal of Nanjing Xiaozhuang University
基金 国家自然科学青年基金项目(21501096) 江苏省青年基金项目(BK20150086) 江苏省高校自然科学面上项目(15KJB150020)
关键词 金属和金属硫族化合物纳米晶 可再生型H2-O2 燃料电池 电催化剂 metal and metal chalcogenide nanocrystals regenerable hydrogen-oxygen fuel cell electrocatalyst
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