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PTCC PtRu alloy catalysts

60% platinum-ruthenium catalyst (Pt-Ru/C) is a high-performance noble metal synergistic catalyst with a total mass loading of platinum-ruthenium reaching 60% on a carbon support. Through precise control of the dual-metal ratio and loading process, it constructs a stable alloy phase structure, fully leveraging the electron transfer synergy of platinum and ruthenium. It is a core material in the fields of hydrogen energy conversion such as proton exchange membrane fuel cells, electrolysis water production for hydrogen, and direct methanol fuel cells. This catalyst possesses both high active site density and excellent reaction kinetics performance. The introduction of ruthenium effectively inhibits CO adsorption poisoning on the platinum surface. Combined with a high specific surface area carbon support to enhance the interaction between the metal and the support, it can reduce particle agglomeration and detachment, achieving efficient hydrogen energy conversion under normal temperature and pressure or medium-low pressure conditions. At the same time, it balances catalytic efficiency and structural stability, making it a key functional material for promoting the large-scale application of hydrogen energy technology.

Technical specifications

High synergistic anti-poisoning performance: Based on the coordination reduction mechanism of the ethylene glycol system, a uniform and stable Pt-Ru alloy phase is formed. The dual-metal electron transfer effect is significant. Ru effectively inhibits CO poisoning on the Pt surface. Compared with traditional platinum-based catalysts, the catalytic activity is improved by more than 30%. It is suitable for complex reaction conditions.

High loading and high dispersion in one: Even at 60% high loading, it still maintains uniform nanoparticles of 3-5 nm. The spatial hindrance effect of ethylene glycol avoids particle aggregation, and the exposure density of active sites is increased. The catalytic efficiency per unit mass is superior to products from conventional preparation processes.

Mild process suitable for industrialization: Atmospheric pressure reaction conditions, no need for harsh equipment, a single-step reduction-laden integration process, strong batch stability, production energy consumption reduced by 20%, suitable for pilot and large-scale batch production.

Long-lasting stability for various scenarios: Surface residual functional groups strengthen the interaction between the metal and the carrier, reducing particle detachment rate by 40%, extending service life by 15-30%, and improving wettability, accelerating mass transfer, suitable for actual application scenarios such as fuel cells and electrolysis water production for hydrogen.

Green and sustainable: Ethylene glycol is low toxic and recyclable. No additional strong reducing agents/dispersants are needed. The by-products are easy to handle, in line with the trend of environmental protection production, and reduces environmental governance costs.

Outstanding hydrogen desorption catalytic activity: Under the standard test condition of 10 mA/cm², the overpotential is only 55 mV, significantly reducing the reaction energy barrier and providing a core support for efficient hydrogen energy conversion. Moreover, under the actual operating conditions of the AEM electrolyzer, when matched with the NiFe catalyst independently developed by PTCC, it can achieve a performance of 23000 A/m² at a voltage of 2V (both are prepared as electrodes using foam nickel as the base material).

PtRu Catalyst - 1 Gram

PTCC PtRu alloy catalysts

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