碳平衡之新穎觸媒開發(3/3)

This plan outlines four main objectives as follows: (1) Enhancement of Oxygen Evolution Catalysts: Within the realm of electrolysis, the oxidation of water to produce oxygen involves a 4-electron transfer oxidation reaction. Typically, this process demands a higher overvoltage compared to the 2-electron reduction reaction that occurs at the cathode (converting CO2 into CO). Moreover, when dealing with the neutral or weakly acidic electrolytes necessary for carbon dioxide reduction, the efficiency and stability of the anode catalyst face even greater challenges. Addressing the critical issue of enhancing catalyst activity and stability in a neutral environment through techniques like nitrogen doping is paramount. (2) Refining Electrocatalytic Carbon Dioxide Reduction Catalysts: Previous research has highlighted certain catalysts, such as gold, silver, and non-noble metal iron single-atom catalysts, as excelling in terms of product selectivity for carbon monoxide, boasting rates exceeding 90%, and low overvoltages (only 80mV). Furthermore, transition metal single-atom catalysts also demonstrate superior product selectivity and reactivity for carbon monoxide, warranting in-depth exploration. However, single-atom catalysts suffer from low stability and cannot support sustained reactions. To address this issue, the development and investigation of carbon substrates, such as semiconductor substrates, promise to significantly enhance the stability of single-atom catalysts. (3) Advancements in Catalyst Mass Production Techniques and Methods: To meet the increased demand for catalysts in scaled-up operations, this project aims to devise an innovative and scalable synthesis method for the efficient mass production of essential metal oxy-nitrides (MON). Given the sensitivity of the nitrogen doping process, the project will encompass the design of a planar nitriding reactor equipped with precise temperature control and a uniform gas supply system. Emphasis will be placed on scrutinizing various aspects, including the selection of synthetic precursors, optimization of ammonia flow, and detailed examination of argon/nitrogen gas flow rates, reaction durations, and temperature control parameters. (4) Development and Deployment of Large-Scale Syngas Production Equipment: Synthesizing insights gained from the previous segments of this project, we will undertake a pre-commercial evaluation of syngas generation technology. This evaluation will encompass the refinement of large-area electrode preparation, a comprehensive analysis of energy consumption, and the assessment of costs associated with the separation and purification processes for both main products and by-products. Furthermore, we will conduct electrolysis analysis, with the design and fine-tuning of a tank reactant circulation system to establish an experimental-scale prototype.