Green Chemistry最新文献

{"title":"Aqueous solution synthesis of lithium-ion conductive tin-based sulphide electrolytes†","authors":"","doi":"10.1039/d4gc02159b","DOIUrl":"10.1039/d4gc02159b","url":null,"abstract":"<div><p>To overcome the challenges associated with the toxicity of the majority of organic solvents for the liquid phase synthesis of solid electrolytes toward the human body and environment, we demonstrate the synthesis of tin-based sulphide electrolytes using water, which is the most environmentally friendly solvent. <em>ortho</em>-Thiostannate, <em>i.e.</em>, Li₄SnS₄, was obtained from a mixture of Li₂S, Sn, and S using aqueous solution synthesis. Furthermore, Li₁₀SnP₂S₁₂, a superionic conductor, was obtained by mixing an aqueous solution of Li₄SnS₄ and tetrahydrofuran suspension of Li₃PS₄, which exhibited the highest ionic conductivity (5.9 × 10⁻³ S cm⁻¹ at 25 °C) in liquid-phase synthesis. This study successfully demonstrates that water can be efficiently used to synthesize sulphide electrolytes instead of conventional organic solvents.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/gc/d4gc02159b?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141779396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sustainable iron production via highly efficient low-temperature electrolysis of 3D conductive colloidal electrodes†","authors":"","doi":"10.1039/d4gc00698d","DOIUrl":"10.1039/d4gc00698d","url":null,"abstract":"<div><p>Towards decarbonizing the carbothermic reduction of iron and steelmaking, which produces around 5% of global CO₂ emissions, we herein propose a low-temperature electrolysis (100 °C) with 3D electrically–ionically conductive colloidal Fe₂O₃ electrodes as a novel and sustainable alternative. With the designed electrodes that offer a 3D conductive network to facilitate the electrochemical reduction of Fe₂O₃ at such a low temperature, high-purity Fe powder (&gt;95%) can be produced with high current efficiency (&gt;95%) and no direct CO₂ emission. In addition to Fe, we also demonstrate the production of metal and alloy powders such as Cu, Ag, and an FeNi alloy using the proposed method. A techno-economic assessment of the process is performed to evaluate industrial feasibility as well as CO₂ emission analysis. Altogether, this alternative process is green, environmentally friendly, and energy efficient, showing great potential for revolutionizing the conventional process that has had a significant environmental impact for decades.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/gc/d4gc00698d?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141720236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advances in photochemical/electrochemical synthesis of heterocyclic compounds from carbon dioxide","authors":"Yu-Yang Xie and Ying-Ming Pan","doi":"10.1039/D4GC02829E","DOIUrl":"10.1039/D4GC02829E","url":null,"abstract":"<p >The primary greenhouse gas is carbon dioxide (CO<small>₂</small>), which also serves as an excellent C1 building block for the synthesis of heterocyclic compounds. The preparation and transformation of these structures have long been a focus in organic chemistry, making the utilization of CO<small>₂</small> highly advantageous. This paper reviews progress in the photochemical/electrochemical construction of heterocyclic compounds using CO<small>₂</small>, differentiating between various reaction types and elucidating their underlying mechanisms as well as potential applications.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142196048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Progress in the synthesis of carbon aerogels for advanced energy storage applications","authors":"","doi":"10.1039/d4gc02640c","DOIUrl":"10.1039/d4gc02640c","url":null,"abstract":"<div><p>Carbon aerogels, usually prepared from organic aerogel precursors, have many merits such as being light weight, high porosity, large surface area, excellent conductivity, and high temperature resistance for broad applications in the fields of adsorption, catalysis, and energy storage. Particularly, the application of carbon aerogels in advanced energy storage devices has gained increasing attention in recent years. This paper discusses the preparation and application of carbon aerogels derived from organic precursors. The development of resin- and biomass-derived carbon aerogels for application in supercapacitors and rechargeable batteries (<em>e.g.</em>, Li-ion batteries – LIBs) is highlighted. Furthermore, the development and challenges of the carbon aerogel industry are discussed. This work offers a strategic guide to build a close connection between carbon aerogels and the energy storage economy. In general, the electrochemical performances mostly rely on the surface structures and chemical characteristics of carbon aerogels. Carbon aerogels possessing a 3D hierarchical porous network structure with appropriate microporosity and mesoporosity, heteroatom (<em>e.g.</em>, N, S) doping, and active metal nanoparticle (<em>e.g.</em>, MnO₂, Co₃O₄) loading are key indexes to determine the capacitance, rate capability, and cycling stability of the assembled supercapacitors. Resin-derived carbon aerogels have the advantages of large specific surface area and highly tunable pores for application in supercapacitors, but the poor mechanical properties hinder their application in flexible supercapacitors. In addition, carbon aerogels for application in rechargeable batteries are mostly used as the supports for electroactive substances in LIBs and the separators of Li–S and Na–S batteries. Carbon aerogels derived from biomass precursors, in comparison with conventional resin precursors, are promising alternatives owing to the benefits of low cost (abundant in nature), sustainability, eco-friendliness, large specific surface areas, tunable pore structures, and strong mechanical properties. The challenges of promoting biomass-derived carbon aerogels for practical use include simplifying the procedure and further reducing the time and cost required for the preparation of carbon aerogels from diverse biomass precursors.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141746440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Catalyst-free synthesis of hydrazino-containing glycine derivatives via a diaziridine in situ formation/ring-opening cascade†","authors":"","doi":"10.1039/d4gc02565b","DOIUrl":"10.1039/d4gc02565b","url":null,"abstract":"<div><p>Glycine derivatives are prevalent structural motifs that can be easily found in many bioactive molecules and natural isolates. To date, chemical synthesis of hydrazino-containing glycine derivatives has mainly focused on the utilization of metal catalysts or light-irradiation methods. Herein, we report a three-component reaction of amines, azodicarboxylates, and diazoalkanes under green and sustainable reaction conditions, leading to a wide range of hydrazino-containing glycine derivatives in good to excellent yields. Compared to the reported methods, the as-developed method does not require catalysts or light irradiation. The success of the scale-up reaction, synthetic transformation of the formed glycine products, and the direct aqueous media synthesis further rendered the method attractive and valuable. Control experiments together with detailed mechanism studies revealed that the <em>in situ</em> formed diaziridines are the key reaction intermediates.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141754121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemoenzymatic synthesis of amino-esters as precursors of ammonium salt-based surfactants from 5-hydroxymethylfurfural (HMF)†‡","authors":"","doi":"10.1039/d4gc00425f","DOIUrl":"10.1039/d4gc00425f","url":null,"abstract":"<div><p> <em>N</em>-Substituted 5-(hydroxymethyl)-2-furfuryl amines have been obtained through the reductive amination of 5-hydroxymethylfurfural (HMF) with a variety of primary amines using a non-noble metal catalyst based on monodisperse Co nanoparticles covered by a thin carbon layer. The Co@C catalyst was highly active, selective and stable, allowing us to perform the reductive amination of HMF under very mild reaction conditions (60 °C and 4 bar H₂) using ethanol as a green solvent and achieve the corresponding amino-alcohol in yields ranging from 80 to 99%. Moreover, the reaction was extended to other furanic aldehydes with excellent success. Furthermore, in order to synthesize amino-ester derivatives, precursors of ammonium salt-based surfactants, the reductive amination of HMF with methylamine was coupled with the selective esterification of the hydroxymethyl group of the furan ring with fatty acids using lipase CALB (Novozym 435) as a biocatalyst in 2-methyltetrahydrofuran as a green and enzyme compatible solvent, achieving practically total conversion to the corresponding amino-esters. The process was implemented in flow reactors by combining two consecutive fixed bed reactors, achieving a global yield of the amino-ester derivative of 85%, which was maintained over 86 h of operation.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/gc/d4gc00425f?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140636231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rational design of biomass-derived electrocatalysts for hydrogen/oxygen evolution reactions: a synthetic strategy for multiple components and their corresponding properties","authors":"","doi":"10.1039/d4gc02100b","DOIUrl":"10.1039/d4gc02100b","url":null,"abstract":"<div><p>H₂ produced <em>via</em> water electrolysis is a promising alternative to traditional energy, with electrodes playing a dominant role in the production process. To date, numerous studies have screened different types of biomass as precursors to synthesize electrocatalysts with practical functions, but the clear conclusions in this field are unfortunately absent. Therefore, herein, the recent advances in biomass-derived electrocatalysts for HER/OER processes are summarized, focusing on the design of carbonaceous structures from multiple components, the incorporation of supports with single or several metals and the available methods for their modification <em>via</em> defect engineering. Subsequently, the overall efficiency of electrochemical water splitting on a biomass-derived electrolyzer is discussed in depth together with the upgraded strategy for the so-called electrosynthesis of chemicals paired with H₂ production. Finally, the technical bottlenecks that need to be properly resolved in the near future for the development of these electrocatalysts originating from biomass are presented. It can be expected that this review will not only contribute to the in-depth knowledge on the rational synthesis of biomass-derived materials as electrodes, but also present new opportunities for the valorization of biomass resources in electrochemical applications.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141754103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The advanced applications of ionic liquids in new energy, electronic information materials, and biotechnologies","authors":"","doi":"10.1039/d4gc01519c","DOIUrl":"10.1039/d4gc01519c","url":null,"abstract":"<div><p>Ionic liquids (ILs) with remarkable performance offer opportunities to advance green and low-carbon chemical processes. Thus, much work is focused on building an innovative theory and knowledge framework to unravel the nature of ILs. Moreover, there is an increasing trend to utilize ILs in rapidly emerging fields. Aiming to provide an overview of the recent advances and challenges of ILs in the development of green processes for renewable resources, this review highlights the properties and functions of ILs in IL gating and as electrolyte additives, modifiers, exfoliation agents, nucleation substrates, tunable solvents, versatile carriers and biosensor components in three representative and revolutionary production processes, namely, new energy, electronic information materials, and biotechnologies. The innovative applications of ILs demonstrate their potential to create a landscape of low-carbon, high-end and smart technologies.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141779394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Non-equilibrium plasma co-upcycling of waste plastics and CO2 for carbon-negative oleochemicals†","authors":"","doi":"10.1039/d4gc02340d","DOIUrl":"10.1039/d4gc02340d","url":null,"abstract":"<div><p>Mechanical recycling and chemical upcycling by thermochemical reactions have been the major approaches for recycling end-of-life plastics. Herein, we report an electrified approach to upcycle waste plastics into carbon-negative commodity chemicals using greenhouse gas CO₂ as the oxidant and additional carbon source. In this non-equilibrium plasma process, waste polyolefins were oxidatively depolymerized by plasma-activated CO₂ to produce oleochemicals and hydrocarbon chemicals in a single-step process at high reaction rates. In addition, a mixture of CO₂ and a small amount of O₂ was employed as plasma gases to selectively produce fatty alcohols from polyolefins. Based on this atmospheric pressure, non-solvent, and non-catalyst process, up to 97.6% of fatty alcohols could be produced within minutes. In this article, the co-conversion approach was demonstrated using common polyolefins and real-world mixed waste plastics to obtain comparable results. The techno-economic analysis estimates the internal rate of return to be 42.2% and 43.5% for the plasma-based conversion of waste plastics, depending on the plasma gas composition. Lifecycle assessment indicates the global warming potential is between −3.33 and −3.07 kg CO_2e per kg of plastic.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/gc/d4gc02340d?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141779390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Race towards net zero emissions (NZE) by 2050: reviewing a decade of research on hydrogen-fuelled internal combustion engines (ICE)","authors":"","doi":"10.1039/d4gc00864b","DOIUrl":"10.1039/d4gc00864b","url":null,"abstract":"<div><p>Hydrogen fuel offers promising decarbonization pathways for hard-to-electrify transport sectors such as long-haul trucking, international maritime, and aviation. The internal combustion engine (ICE) is and will continue to be important in the transition to net zero emissions (NZE), especially in the transport sector. In this review, the research trend, hotspots, and evolutionary nuances of hydrogen-fuelled ICEs have been investigated. Our analysis reveals that while earlier research primarily focused on the performance and emission characteristics of hydrogen-fuelled ICEs, recent studies are increasingly paying more attention to combustion and emission control strategies. NO_x emissions have received a lot of attention, as it is the most important pollutant from hydrogen engines. Several techniques, namely exhaust gas recirculation (EGR), water injection, and lean combustion, have been predominantly adopted and studied for controlling NO_x emissions. Another major research area in the field has centered on combustion anomalies such as backfiring and knocking, which are key setbacks to the hydrogen-fuelled ICE. Owing to its ability to produce fewer emissions and greater performance than diesel-only operation, hydrogen in diesel engines as dual fuel has also become a major research hotspot in the field within the last decade. Our analysis also showed that there is a strong interest in this field where researchers are focusing on the use of hydrogen with other alternative fuels such as methane, biogas, biodiesel, ammonia, and methanol for optimal operation of the ICE. Finally, we provide some critical challenges and potential solutions related to the use of hydrogen as an ICE fuel. It is anticipated that the results from the present work will pave the way for the continuous development of hydrogen engine research for the ongoing fight to decarbonize the transport sector.</p></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141754116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}