Marina Medina, Vinícius José Carvalho, Leanderson Araujo da Silva, Gabriel Gonçalves Borges, Thiago Capelupi, Arthur Piani, Pedro Paes Mauriz, João Vitor Gomes, Juliana Ferreira de Brito
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引用次数: 0
摘要
我们目前的生活方式所依赖的能源生产和其他工业流程对环境造成了重大影响。一些广泛使用的工业流程是二氧化碳排放的主要来源。一个典型的例子是合成氨生产,它能耗高,使用天然气,每年产生数亿吨二氧化碳。要解决这些问题,适当的废物处理、化石燃料替代品和化合物生产工艺至关重要。在这方面,(光)电化学技术(如电催化(EC)和光电催化(PEC))有助于以清洁、经济高效的方式处理废水,同时还能生成新燃料和具有商业价值的化合物。还原反应特别适用于:(i) CO2 分子,产生燃料;(ii) N2 分子,产生 NH3;(iii) H + 物种,产生 H2。氧化反应可用于处理实际污水中的有机和无机分子,目的是处理受污染的水。巴西的电催化研究小组不仅为这些氧化还原反应的研究做出了贡献,还为这两种反应合成了电催化剂,使其更具成本效益、特异性和高效性,为生产具有附加值的环保型化合物、清洁能源转换(非石油能源)以及最大限度地减少环境废水处理的经济影响开辟了新的前景。因此,这项研究首次深入探讨了电化学应用在巴西能源和环境修复领域的优势、挑战和前景,凸显了巴西作为全球科学知识来源的重要意义。
Electrocatalytic contributions from Brazilian research groups for clean energy conversion and environmental remediation
Our energy generation and other industrial processes on which our current lifestyle is based cause significant environmental impacts. Some widely employed industrial processes are major contributors to CO2 emissions. A prime example is ammonia production, which represents a high energy consumption, utilizes natural gas, and generates hundreds of millions of tons of CO2 annually. Proper waste treatment, alternatives to fossil fuels, and chemical compound production processes are crucial to address these issues. In this regard, (photo)electrochemical techniques such as electrocatalysis (EC) and photoelectrocatalysis (PEC) can aid in the clean and cost-effective treatment of wastewater while also generating new fuels and commercially valuable chemical compounds. Reduction reactions can be specifically applied to (i) CO2 molecules, producing fuels; (ii) N2 molecules, generating NH3; and (iii) H + species, producing H2. Oxidation reactions can be employed for organic and inorganic molecules present in real effluents, aiming to treat contaminated water. Electrocatalytic Brazilian research groups have been contributing not only to those redox reaction investigations but also to the synthesis of electrocatalysts for both reactions, making them more cost-effective, specific, and efficient, opening new perspectives in the generation of environmentally friendly chemical compounds with added value, clean energy conversion (non-petroleum energy), and minimizing the economic impact of environmental wastewater treatments. Thus, this work offers for the first time insights into the strengths, challenges, and prospects of electrochemical applications in the fields of energy and environmental remediation in Brazil, highlighting the country’s significance as a source of scientific knowledge on a global scale.
期刊介绍:
The Journal of Solid State Electrochemistry is devoted to all aspects of solid-state chemistry and solid-state physics in electrochemistry.
The Journal of Solid State Electrochemistry publishes papers on all aspects of electrochemistry of solid compounds, including experimental and theoretical, basic and applied work. It equally publishes papers on the thermodynamics and kinetics of electrochemical reactions if at least one actively participating phase is solid. Also of interest are articles on the transport of ions and electrons in solids whenever these processes are relevant to electrochemical reactions and on the use of solid-state electrochemical reactions in the analysis of solids and their surfaces.
The journal covers solid-state electrochemistry and focusses on the following fields: mechanisms of solid-state electrochemical reactions, semiconductor electrochemistry, electrochemical batteries, accumulators and fuel cells, electrochemical mineral leaching, galvanic metal plating, electrochemical potential memory devices, solid-state electrochemical sensors, ion and electron transport in solid materials and polymers, electrocatalysis, photoelectrochemistry, corrosion of solid materials, solid-state electroanalysis, electrochemical machining of materials, electrochromism and electrochromic devices, new electrochemical solid-state synthesis.
The Journal of Solid State Electrochemistry makes the professional in research and industry aware of this swift progress and its importance for future developments and success in the above-mentioned fields.