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    • 9. 发明专利
    • Catalyst production apparatus
    • 催化剂生产设备
    • JP2012240005A
    • 2012-12-10
    • JP2011113976
    • 2011-05-20
    • Toyota Motor Corpトヨタ自動車株式会社Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • KAWAMURA TETSUOMURATA HAJIMENAGAI TOMOYUKITERADA TOMOAKIKATAOKA MIKIHIRO
    • B01J23/52B01J37/03H01M4/90H01M4/92
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a catalyst production apparatus capable of producing a catalyst containing platinum particles surface-modified with gold, easily in mass production without an external power source.SOLUTION: The catalyst production apparatus at least includes a suspension containing vessel 10 containing a suspension made by suspending an aqueous acid solution containing copper ions with a conductive support supporting platinum particles, a copper precipitation vessel 20 which communicates with the suspension containing vessel 10 in such a way that a suspension A from the suspension containing vessel 10 flows down and contains a copper material for precipitating a copper layer on the surface of the platinum particles contained in the suspension A and a gold substitution vessel 40 which communicates with the copper precipitation vessel 20 in such a way that the suspension B from the copper precipitation vessel 20 flows down, contains a gold aqueous solution containing gold ion within the vessel and substitutes the copper of the copper layer of the platinum particles contained in the suspension A with gold in the gold aqueous solution C. An inert gas supply source 3 is connected to the suspension containing vessel 10, the copper precipitation vessel 20 and the gold substitution vessel 40 so that the insides of the suspension containing vessel 10, copper precipitation vessel 20 and the gold substitution vessel 40 can be substituted with an inert gas.
    • 要解决的问题:提供一种催化剂制备装置,其能够生产含有金表面改性的铂颗粒的催化剂,容易在大量生产中而不需要外部电源。 解决方案:催化剂生产装置至少包括含有容器10的悬浮液,其含有通过将含有铜离子的酸性水溶液悬浮在支撑铂颗粒的导电载体上而形成的悬浮液,与沉淀容器连通的铜沉淀容器20 10,使得来自含悬浮液的容器10的悬浮液A向下流动并且包含用于沉淀悬浮液A中所含的铂颗粒的表面上的铜层的铜材料和与铜连接的金取代容器40 沉淀容器20以使来自铜沉淀容器20的悬浮液B向下流动的方式含有在容器内含有金离子的金水溶液,并将金悬浮液A中所含的铂颗粒的铜层的铜与金取代 在金水溶液C中连接惰性气体供给源3 含有容器10的容器,铜沉淀容器20和金取代容器40,使得含有容器10的容器10,铜沉淀容器20和金取代容器40的内部可以用惰性气体代替。 版权所有(C)2013,JPO&INPIT