H2020Индивидуална стипендия2019–2021

CF-CO2R · Catholyte-free flow cell enables high efficiency electroreduction of CO2 to C2 fuels

„Хоризонт 2020“ — Действия „Мария Склодовска-Кюри“

Период: 2019-06-15 → 2021-06-14
Финансиране от ЕС: 191 149 €
Участници: 1
Схема: MSCA-IF-EF-ST

Линиите свързват координатора с партньорите.

Накратко на български

Електрохимическото превръщане на въглероден диоксид в горива като етилен и етанол се изследва чрез нови клетки без течен електролит и специални катализатори. Това помага за намаляване на енергийните разходи и ускорява декарбонизацията на нефтената и газовата индустрия.

Този кратък обзор е генериран от изкуствен интелект

Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.

Резултати накратко

Catholyte-free flow cell enables high efficiency electroreduction of CO2 to C2 fuels

The electrochemical CO2 reduction (CO2R) provides a promising means to utilize and upgrade CO2 towards valuable two-carbon (C2) products (i.e. ethylene and ethanol), yet the current CO2R requires high energy costs that pose major challenging barries to compete with C2 productions from conventional petrochemical routes. Two main hurdles have been identified: (1) significant ohmic loss and the surface reconstruction of catalysts result from the use of liquid electrolyte, and (2) catalysts with heterogeneous active sites yield a variety of products, including undesired one-carbon (C1) products (e.g. CO) and parasitic H2 production from competing hydrogen evolution reactions. Coupling efficient catalysts and systems design to achieve near-unity selectivity towards a single C2 product remains a grand challenge. These topics are important for society because designing energy-efficient CO2R catalysts and systems accelerates the decarbonization of the oil and gas industry, and promises a carbon-neutral future. To this regard, this MSC Action titled “Catholyte-free flow cell enables high efficiency electroreduction of CO2 to C2 fuels” aims at: (1) design of catholyte-free membrane electrode assembly (CF-MEA) flow cell to enable CO2R with low-energy costs, (2) synthesis of efficient electrocatalysts to produce value-added ethylene and ethanol products at high selectivities, and (3) characterization of the catalyst structure-reactivity relationship using operando spectroscopy techniques, with the goal of accelerating ethylene- or ethanol-selective catalysts that work readily at industrial-relevant system conditions.

Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз

Цел на проекта

In the light of rising levels of atmospheric CO2 and associated climate change, the development of advanced techniques for CO2 conversion is of foremost importance. Particularly, many efforts have been made recently to synthesize efficient electrocatalysts for CO2 reduction to carbon fuels using renewable electricity. Nevertheless, to meet the requirement of industrial implementation, even the best performance of these recently developed electrocatalysts must be increased by one order of magnitude. Currently, energy efficiency of CO2 electroreduction is limited by energy-loss in catholyte and transport of CO2 to the cathode surface. The importance of transport limitations will grow as currents approach the higher levels required for industry. The vision for this work is the design of an efficient catholyte-free electrode structure and reactor, in combination with state-of-the-art photovoltaic, that can provide for the industry-ready artificial photosynthesis of carbon fuels. To achieve this goal, we will be dedicated to develop a membrane electrode assembly cell with the design of a catholyte-free flow-through-porous electrode which will allow the incorporation of newly types of nanostructured electrocatalysts and efficient CO2 transfer and conversion into specific carbon fuels such as ethylene or ethanol. Particularly, the proposed research aims include: (i) Development of efficient electrocatalysts that allow the formation of ideal products (ethylene/ethanol); (ii) Enhancement of electrocatalytic activity and stability via system engineering; (iii) Understanding the fundamentals of CO2 electroreduction and cell mechanics to accelerate the development of catholyte-free flow-through-porous electrode for the design of a scalable, high-performance CO2 electroconversion cell through both experiments and theoretical modeling; (iv) Achieving the scalable solar fuels production with CO2 reduction and photovoltaic in tandem.

Оригинален текст от CORDIS (на английски).

Участници

ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE · LausanneКоординаторШвейцария