Green Chemistry最新文献

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Paving the way toward highly reversible aluminum metal anodes: the core role of ionic liquid electrolyte systems. 为高度可逆的铝金属阳极铺平道路:离子液体电解质系统的核心作用。
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-09-25 eCollection Date: 2026-10-12 DOI: 10.1039/d6gc03584a
Huaming Yu, Dongping Chen, Tingrui Yang, Xiaofeng Zhang, Minshen Zhu, Wenjun Meng, Yang Huang
{"title":"Paving the way toward highly reversible aluminum metal anodes: the core role of ionic liquid electrolyte systems.","authors":"Huaming Yu, Dongping Chen, Tingrui Yang, Xiaofeng Zhang, Minshen Zhu, Wenjun Meng, Yang Huang","doi":"10.1039/d6gc03584a","DOIUrl":"10.1039/d6gc03584a","url":null,"abstract":"<p><p>Rechargeable aluminum-ion batteries (AIBs) are promising candidates for next-generation energy storage, yet their practical deployment is hampered by the intrinsic limitations of conventional ionic liquid (IL) electrolytes, such as high viscosity, corrosivity, and moisture sensitivity. This review focuses on the core role of IL electrolyte design in enabling highly reversible aluminum metal anodes. First, the fundamental requirements and working mechanisms of ILs are systematically elucidated. Furthermore, recent optimization strategies are critically summarized and discussed in terms of four aspects: (1) cation-anion pair engineering to regulate active aluminum species, tailor physicochemical properties, and reduce reliance on costly imidazolium-based components, (2) functional additives to enhance ion transport and regulate solid electrolyte interphase (SEI) formation, (3) deep eutectic solvent formulations as potentially lower-cost and more sustainable alternatives, and (4) gel and quasi-solid-state architecture construction to improve safety and mechanical strength. Finally, the performance-sustainability trade-offs of current IL electrolyte systems are discussed, and design guidelines are provided for developing safer and more sustainable electrolytes with high ionic conductivity, wide electrochemical windows, and robust interfacial compatibility. These advancements are expected to facilitate the realization of highly reversible aluminum metal anodes and high-energy-density AIBs, thereby propelling the development of next-generation aluminum-based energy storage technologies.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" ","pages":"15424-15451"},"PeriodicalIF":10.6,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13613487/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149056608","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}
引用次数: 0
Green surfactants reveal mechanistic principles governing polymeric microbubble formation and function. 绿色表面活性剂揭示了控制聚合物微泡形成和功能的机理原理。
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-08-28 eCollection Date: 2026-09-14 DOI: 10.1039/d6gc02897g
Roman A Barmin, Sabina A Saraolu, Rustam A Gumerov, Yanchen Li, MirJavad Moosavifar, Jens Köhler, Michael Pohl, Céline Bastard, Stephan Rütten, Laura De Laporte, Katharina Landfester, Igor I Potemkin, Fabian Kiessling, Twan Lammers, Roger M Pallares
{"title":"Green surfactants reveal mechanistic principles governing polymeric microbubble formation and function.","authors":"Roman A Barmin, Sabina A Saraolu, Rustam A Gumerov, Yanchen Li, MirJavad Moosavifar, Jens Köhler, Michael Pohl, Céline Bastard, Stephan Rütten, Laura De Laporte, Katharina Landfester, Igor I Potemkin, Fabian Kiessling, Twan Lammers, Roger M Pallares","doi":"10.1039/d6gc02897g","DOIUrl":"10.1039/d6gc02897g","url":null,"abstract":"<p><p>Poly(butyl cyanoacrylate) microbubbles (PBCA MB) are clinically investigated ultrasound-responsive materials whose formation is governed by surfactant-mediated interfacial templating. Here, we used a chemically diverse panel of 14 commercially designated greener non-ionic surfactants to clarify how surfactant chemistry governs PBCA MB formation and performance. By combining physicochemical analysis, dissipative particle dynamics simulations, microscopy, drug-loading experiments, and acoustic characterization, we determined how the architecture of the hydrophobic moiety, PEG chain length, and hydrophilic-lipophilic balance shape MB yield, shell composition, morphology, and function. The hydrophobic tail structure primarily influenced MB yield, while increasing PEG chain length shifted the morphology toward asymmetric particles. Surfactant incorporation into PBCA MB shells depended on surfactant hydrophilic-lipophilic balance, and dissipative particle dynamics simulations indicated preferential surfactant enrichment at the polymer-water interface. Brij O20 and Ecosurf SA-9 increased drug loading by 6.2- and 4.8-fold relative to conventional Triton X-100-generated MB, while acoustic performance could be tuned toward either greater stability or stronger non-linear, disruption-prone behavior. Together, these findings clarify the role of surfactant chemistry in PBCA MB synthesis and promote surfactant design as a practical route to tailor MB morphology, shell composition, drug loading, and acoustic performance.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" ","pages":"14515-14531"},"PeriodicalIF":10.6,"publicationDate":"2026-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13523131/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148849473","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}
引用次数: 0
Optimal sizing of renewable generation and storage for grid-connected CO2 electrolysis: a Dutch case study on syngas production for e-SAF. 可再生能源发电和并网二氧化碳电解储存的最佳规模:荷兰e-SAF合成气生产案例研究。
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-08-19 eCollection Date: 2026-09-14 DOI: 10.1039/d6gc04304f
Thijmen Wiltink, Andrea Ramírez, Mar Pérez-Fortes
{"title":"Optimal sizing of renewable generation and storage for grid-connected CO<sub>2</sub> electrolysis: a Dutch case study on syngas production for e-SAF.","authors":"Thijmen Wiltink, Andrea Ramírez, Mar Pérez-Fortes","doi":"10.1039/d6gc04304f","DOIUrl":"10.1039/d6gc04304f","url":null,"abstract":"<p><p>Co-electrolysis of CO<sub>2</sub> (CO<sub>2</sub>E) and water enables the production of syngas for sustainable aviation fuels (SAF) that are compliant with European RFNBO (renewable fuels of non-biological origin) regulations. However, a mismatch exists between the intermittent renewable electricity supply and the continuous operation of the downstream Fischer-Tropsch plants. To address this, we developed a two-stage linear optimization model to optimize the operation of a 540 MW electrolysis plant, alongside the sizing and operation of the connected renewable generation, battery storage, and syngas storage. Applying this model to a Dutch case study, we explored grid integration with an electrolyzer across future scenarios with global warming potentials (GWPs) ranging between 35 and 370 g CO<sub>2</sub>-eq per kWh. For generation, the preferred renewable mix is onshore wind combined with PV. When grid mix electricity consumption is restricted, the electrolyzer has an optimal capacity factor of 78% but requires a battery of comparable capacity to the electrolyzer and multi-kilotonne syngas storage to ensure continuous output. Crucially, we found that producing RFNBO-compliant syngas for SAF is impossible with the 2025 Dutch grid mix. Even at a reduced grid intensity of 205 g CO<sub>2</sub>-eq per kWh, RFNBO compliance limits grid consumption to just 1% of grid mix electricity per hour. This results in a levelized cost of 2350 EUR<sub>2019</sub> per tonne syngas. Unrestricted grid electricity consumption becomes feasible when emissions drop below 36 g CO<sub>2</sub>-eq per kWh, reducing production costs by 43% (1344 EUR<sub>2019</sub> per tonne syngas). Consequently, we demonstrate that grid composition intensity is a bottleneck for the short-term economic viability and regulatory compliance of CO<sub>2</sub>E-based SAF in the Netherlands.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" ","pages":"14278-14296"},"PeriodicalIF":10.6,"publicationDate":"2026-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13487491/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148785688","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}
引用次数: 0
Recent advances in xylochemicals of interest to the paints and coatings industry. 油漆和涂料工业感兴趣的木化学物质的最新进展。
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-08-17 eCollection Date: 2026-09-14 DOI: 10.1039/d6gc02642g
Miłosz J Długosz, Jake M Graham, Megan S Smith, Harry Maslen, Helen F Sneddon
{"title":"Recent advances in xylochemicals of interest to the paints and coatings industry.","authors":"Miłosz J Długosz, Jake M Graham, Megan S Smith, Harry Maslen, Helen F Sneddon","doi":"10.1039/d6gc02642g","DOIUrl":"10.1039/d6gc02642g","url":null,"abstract":"<p><p>Xylochemicals, bio-based platform molecules isolated from wood-based waste streams, have been of particular interest to those in the paints and coatings industry seeking to increase bio-based content in their products. This tutorial review provides an introduction to the area, and covers recent advances across three key platforms: furfural and 5-hydroxymethylfurfural, vanillin, and cardanol derivatives, as well as an overview of other lignocellulosic platform molecules currently under investigation.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"28 35","pages":"14118-14155"},"PeriodicalIF":10.6,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13573572/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148965826","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}
引用次数: 0
Recyclable and bio-based waterborne acetal thermosets and composites. 可回收和生物基水性缩醛热固性和复合材料。
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-08-15 eCollection Date: 2026-09-14 DOI: 10.1039/d6gc03576k
Patrick Schara, Željko Tomović
{"title":"Recyclable and bio-based waterborne acetal thermosets and composites.","authors":"Patrick Schara, Željko Tomović","doi":"10.1039/d6gc03576k","DOIUrl":"10.1039/d6gc03576k","url":null,"abstract":"<p><p>Fully recyclable waterborne acetal thermosets were synthesized <i>via</i> the condensation of sorbitol and glutaraldehyde, utilizing oxalic acid as a green and <i>in situ</i> decomposable catalyst. <i>Via</i> a simple one-pot polycondensation in water the catalyst-free densely crosslinked networks are formed, combining high mechanical performance (tensile strength >90 MPa), stiffness (Young's modulus 3.3 GPa), and excellent thermal and solvent stability. While the materials remain fully stable under neutral conditions, the acetal linkages enable complete depolymerization under acidic environments, producing a homogeneous solution that can be recondensed into new thermosets with properties indistinguishable from the original, thus achieving true closed-loop recycling. The resins also exhibit outstanding compatibility with glass and carbon fibers, enabling the fabrication of high-performance, recyclable composites from which pristine fibers can be recovered. Together, these results establish waterborne, bio-based acetal chemistry as a scalable and sustainable platform for high-performance thermosets and fiber composites, offering a practical and circular route toward next-generation materials design.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" ","pages":"14367-14377"},"PeriodicalIF":10.6,"publicationDate":"2026-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13496943/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148785641","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}
引用次数: 0
The selective and sequential chemical recycling of commodity polymers with imino-indole zinc(ii) catalysts. 使用亚胺吲哚锌(ii)催化剂的商品聚合物的选择性和顺序化学回收。
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-08-13 eCollection Date: 2026-09-14 DOI: 10.1039/d6gc03650c
Jack A Stewart, Matthew J Cullen, Matthew G Davidson, Matthew D Jones
{"title":"The selective and sequential chemical recycling of commodity polymers with imino-indole zinc(ii) catalysts.","authors":"Jack A Stewart, Matthew J Cullen, Matthew G Davidson, Matthew D Jones","doi":"10.1039/d6gc03650c","DOIUrl":"10.1039/d6gc03650c","url":null,"abstract":"<p><p>Chemical recycling of plastic waste will play a key role in both decoupling the plastics economy from fossil feedstocks and addressing growing global plastic pollution. Real-world plastic waste streams, however, are complex and heterogeneous, which presents a serious challenge to established chemical recycling methods. Here, we present a series of zinc complexes that show high activity for the chemical recycling of poly(lactic acid) (PLA), bisphenol A polycarbonate (BPA-PC), and poly(ethylene terephthalate) (PET). Crucially, the most active of these catalysts is capable of selectively deconstructing a mixed feed of these polymers in succession with selectivity governed by careful modulation of reaction temperature. This sequential approach allows for the products of each reaction to be isolated in high yields without the need for complex separations. Further, high activity is demonstrated for the direct depolymerization of PLA to lactide. This work demonstrates the feasibility of sequential chemical recycling of mixed plastic waste as a tool for a more circular plastics economy.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"28 35","pages":"14320-14330"},"PeriodicalIF":10.6,"publicationDate":"2026-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13573571/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148965834","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}
引用次数: 0
Deprotection of benzyl ethers via solvent anion-mediated EDA complex. 溶剂阴离子介导的EDA配合物对苯醚的脱保护作用。
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-07-13 eCollection Date: 2026-07-27 DOI: 10.1039/d6gc02664h
Cole Stenftenagel, Athul Joshy, Charles D Irving, Micheal G Esdon, Taylor E Casey, Sébastien Laulhé
{"title":"Deprotection of benzyl ethers <i>via</i> solvent anion-mediated EDA complex.","authors":"Cole Stenftenagel, Athul Joshy, Charles D Irving, Micheal G Esdon, Taylor E Casey, Sébastien Laulhé","doi":"10.1039/d6gc02664h","DOIUrl":"10.1039/d6gc02664h","url":null,"abstract":"<p><p>Benzyl ethers are among the most robust and indispensable protecting groups in the synthesis of complex natural products and pharmaceuticals, providing effective neutralization of the reactive hydroxy group in phenols and alcohols. However, their cleavage necessitates the use of expensive catalysts, hazardous conditions, or excessive organic additives. Herein, we report a catalyst-free, photoinduced debenzylation protocol of phenolic and aliphatic ethers. By leveraging <i>in situ</i> generated solvent-anions as the reductant, the protocol achieves chemoselective debenzylation in the presence of alkenes, amides, carbamates, alcohols, and boronic esters in high yields under mild conditions. This strategy circumvents the need for costly hydrogenation catalysts or toxic reagents, providing a sustainable and economically viable alternative for debenzylation.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" ","pages":"12457-12464"},"PeriodicalIF":10.6,"publicationDate":"2026-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13360896/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148434438","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}
引用次数: 0
Integrated upcycling of PET waste via ethylene glycol oxidation and CO2 electroreduction: full-cell demonstration with techno-economic and environmental assessments 通过乙二醇氧化和二氧化碳电还原对PET废弃物进行综合升级回收:全电池示范及技术经济和环境评估
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-07-06 Epub Date: 2026-06-18 DOI: 10.1039/d6gc01540a
Sang Yoon Kim, Hyeonseo Im, Kisan Chhetri, Chandan Chandru Gudal, Jiyong Kim, Chan-Hwa Chung
{"title":"Integrated upcycling of PET waste via ethylene glycol oxidation and CO2 electroreduction: full-cell demonstration with techno-economic and environmental assessments","authors":"Sang Yoon Kim,&nbsp;Hyeonseo Im,&nbsp;Kisan Chhetri,&nbsp;Chandan Chandru Gudal,&nbsp;Jiyong Kim,&nbsp;Chan-Hwa Chung","doi":"10.1039/d6gc01540a","DOIUrl":"10.1039/d6gc01540a","url":null,"abstract":"<div><div>The electrochemical CO<sub>2</sub> reduction reaction (CO<sub>2</sub>RR) offers a sustainable strategy for converting CO<sub>2</sub> into valuable products while utilizing renewable energy sources. However, the oxygen evolution reaction (OER), which is commonly coupled with the CO<sub>2</sub>RR, is a sluggish reaction that requires a high overpotential. To overcome this, we used the ethylene glycol oxidation reaction (EGOR) as an alternative anodic oxidation reaction, using ethylene glycol (EG) derived from waste poly(ethylene terephthalate) (PET). This strategy lowers the overall cell voltage and enables simultaneous carbon utilization and plastic waste valorization. The EGOR∥CO<sub>2</sub>RR system was operated with a Ni<sub>0.33</sub>Co<sub>0.67</sub>(OH)<sub>2</sub>/NF anode and an Ag-BTC/CP cathode. The as-prepared anode required less energy (135 mV) for the EGOR at 100 mA cm<sup>−2</sup> than for the OER. In the full cell, the EGOR at the anode achieved a faradaic efficiency (F.E.) of approximately 60% for formate production, while the CO<sub>2</sub>RR at the cathode reduced CO<sub>2</sub> to CO with a F.E. exceeding 95% over a wide range of potentials. Furthermore, to elucidate the commercialization potential of the EGOR∥CO<sub>2</sub>RR, we developed a rigorous process simulation with techno-economic and environmental assessments incorporating PET hydrolysis and downstream separation at an industrial scale. Three process configurations were designed and evaluated, revealing that hydrolysis and separation dominate the overall process efficiency rather than electrochemical performance alone. Moreover, we demonstrate that improvements in EGOR∥CO<sub>2</sub>RR technology can approach cost parity with fossil-based terephthalic acid and achieve lower CO<sub>2</sub>-equivalent emissions, thereby providing a viable pathway toward commercialization of the technology.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"28 26","pages":"Pages 11120-11134"},"PeriodicalIF":10.6,"publicationDate":"2026-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148545606","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}
引用次数: 0
Micelle-promoted aqueous synthesis of γ-amino acid derivatives via metal-free photoredox decarboxylative three-component coupling 胶束促进无金属光氧化还原脱羧三组分偶联制备γ-氨基酸衍生物
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-07-06 Epub Date: 2026-06-10 DOI: 10.1039/d6gc01675h
Gui-Ting Song, Su-Ya Liu, Ying Cheng, Shi-You Xue, Wen-Bin Zong, Shan-Shan Chen, Lin Zhu, Nian Wang, Jia-Hong Li, Chuan-Hua Qu
{"title":"Micelle-promoted aqueous synthesis of γ-amino acid derivatives via metal-free photoredox decarboxylative three-component coupling","authors":"Gui-Ting Song,&nbsp;Su-Ya Liu,&nbsp;Ying Cheng,&nbsp;Shi-You Xue,&nbsp;Wen-Bin Zong,&nbsp;Shan-Shan Chen,&nbsp;Lin Zhu,&nbsp;Nian Wang,&nbsp;Jia-Hong Li,&nbsp;Chuan-Hua Qu","doi":"10.1039/d6gc01675h","DOIUrl":"10.1039/d6gc01675h","url":null,"abstract":"<div><div>γ-Aminobutyric acid (GABA) analogues are of great value in medicinal chemistry and biomedicine, highlighting the need for efficient, green, and sustainable synthetic strategies. Herein, we report an aqueous visible-light-driven multicomponent reaction for the efficient, economical, and green synthesis of a diverse library of complex GABA analogues, whose scaffolds include α,β-substituents, quaternary carbon/quaternary carbon–fluorine centers, free hydroxyls, amino groups, as well as natural product and pharmaceutically active molecular building blocks. Introducing chiral auxiliaries enables asymmetric synthesis of GABA derivatives, and this scalable method rapidly constructs key scaffolds (γ-lactams, δ-amino alcohols, heteroaromatic amines). This protocol overcomes bottlenecks of limited structural diversity and organic solvent dependence in GABA synthesis. Mechanistically, surfactant CTAB enhances the local concentration of electron-deficient alkenes <em>via</em> electrostatic interactions, boosting the reaction rate, selectivity, and efficiency. This straightforward radical approach provides a less costly, non-toxic alternative to classical photochemistry, offering a new strategy for efficient GABA analogue synthesis.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"28 26","pages":"Pages 11170-11180"},"PeriodicalIF":10.6,"publicationDate":"2026-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148545607","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}
引用次数: 0
Recycling of spent LiFePO4 batteries with an acid-free process to high-rate Na2FeP2O7@C cathodes for sodium-ion storage 用无酸工艺回收废旧LiFePO4电池到高倍率Na2FeP2O7@C阴极用于钠离子存储
IF 10.6 1区 化学
Green Chemistry Pub Date : 2026-07-06 Epub Date: 2026-06-10 DOI: 10.1039/d6gc00598e
Xianghao Meng, Weiya Tian, Xiaoling Wang, Jiaju Lu, Junxian Hu, Qing Zhao, Bo Jin, Yaochun Yao
{"title":"Recycling of spent LiFePO4 batteries with an acid-free process to high-rate Na2FeP2O7@C cathodes for sodium-ion storage","authors":"Xianghao Meng,&nbsp;Weiya Tian,&nbsp;Xiaoling Wang,&nbsp;Jiaju Lu,&nbsp;Junxian Hu,&nbsp;Qing Zhao,&nbsp;Bo Jin,&nbsp;Yaochun Yao","doi":"10.1039/d6gc00598e","DOIUrl":"10.1039/d6gc00598e","url":null,"abstract":"<div><div>The escalating retirement of lithium iron phosphate (LiFePO<sub>4</sub>, LFP) batteries necessitates the development of sustainable recycling strategies that avoid traditional acid/alkali consumption and secondary pollution. This study pioneers an efficient and green approach for directly converting spent LiFePO<sub>4</sub> (S-LFP) cathodes into high-performance sodium-ion battery (SIB) cathodes. By employing sodium dihydrogen phosphate (NaH<sub>2</sub>PO<sub>4</sub>)-assisted roasting under an oxygen atmosphere, lithium is selectively extracted in the form of water-soluble complex phosphates (Li<sub>2</sub>NaPO<sub>4</sub> and LiNa<sub>5</sub>(PO<sub>4</sub>)<sub>2</sub>) <em>via in situ</em> solid-phase reactions, while iron is stabilized as insoluble NaFeP<sub>2</sub>O<sub>7</sub>, thereby eliminating the use of strong acids/alkalis and the generation of high-salinity wastewater. Water leaching achieved exceptional Li/Fe separation efficiency, with 99.31% lithium recovery and only 0.24% iron leaching. The recovered lithium phosphate (Li<sub>3</sub>PO<sub>4</sub>) is used to regenerate high-performance LFP cathodes. Simultaneously, the iron-rich residue is directly converted into a carbon-coated sodium iron pyrophosphate cathode (Na<sub>2</sub>FeP<sub>2</sub>O<sub>7</sub>@C, denoted as NFPO) through carbothermal reduction. The NFPO cathode exhibits outstanding SIB performance, including an ultrahigh rate capability (46.6 mAh g<sup>−1</sup> at 30 C) and exceptional cycling stability (98.6% capacity retention after 1500 cycles at 5 C). Full-cell validation (NFPO∥HC) confirms practical viability with 91.8% capacity retention after 100 cycles at 1 C. This article provides a new paradigm for the iterative transformation of used lithium-ion batteries into sodium-ion batteries.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"28 26","pages":"Pages 11147-11161"},"PeriodicalIF":10.6,"publicationDate":"2026-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148545624","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}
引用次数: 0
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