ChemSusChem最新文献_第9页

Impact of Ferric and Ferrous Iron on the Crystallization of Rare Earth Sulphate Hydrates. 铁对稀土硫酸盐水合物结晶的影响。

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-18 DOI: 10.1002/cssc.202500285

Nitin Pawar, Alexandre Chagnes, Marie Christine Boiron, Michel Cathelineau, Michael Svärd, Kerstin Forsberg

{"title":"Impact of Ferric and Ferrous Iron on the Crystallization of Rare Earth Sulphate Hydrates.","authors":"Nitin Pawar, Alexandre Chagnes, Marie Christine Boiron, Michel Cathelineau, Michael Svärd, Kerstin Forsberg","doi":"10.1002/cssc.202500285","DOIUrl":"10.1002/cssc.202500285","url":null,"abstract":"Rare earth elements (REEs) are important for permanent magnets used in for example wind turbines and motors. There is an imbalance in supply and demand of this commodity and the REE have been identified as critical raw materials by the European Union. This study focuses on recovery of REEs from sulfuric acid solutions using antisolvent crystallization in recycling of magnet waste. Ethanol is used as an antisolvent to crystallize Nd2(SO4)3·8H2O and (Nd/Dy)2(SO4)3·8H2O. The impact of the presence of Fe in ferrous and ferric states, and of different seeding strategies, on the quality of the crystal product in terms of purity, crystal size, morphology and agglomeration has been investigated. Higher purity (above 99%) is obtained for seeded experiments and the purity is higher for higher seed loading and lower antisolvent dosing rate. Furthermore, Fe(III) has a higher tendency to be incorporated into the pure Nd phase compared to the Nd phase containing 10% of Dy, while Fe(II) is not detected in any of the phases. By balancing the addition of antisolvent and seed loading the optimum conditions in terms of high purity and productivity can be found. The results provide insights to improve the recovery of REEs as a pure concentrate.","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2500285"},"PeriodicalIF":7.5,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144323969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Front Cover: Eco-Friendly and Ready-To-Market Polyurethanes: A Design of Experiment-Guided Substitution of Toxic Catalyst and Fossil-Based Isocyanate (ChemSusChem 12/2025) 封面：环保和即将上市的聚氨酯：有毒催化剂和化石基异氰酸酯的实验指导替代设计（ChemSusChem 12/2025）

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-18 DOI: 10.1002/cssc.202581201

Gabriele Viada, Dr. Nicole Mariotti, Dr. Simone Galliano, Dr. Alberto Menozzi, Prof. Claudia Barolo, Dr. Matteo Bonomo

引用次数: 0

Probing the Chemical Action of M-N4 Motif in Metal Phthalocyanine-Based Redox Mediators in Li-O₂ Batteries. M-N4基序在锂氧电池金属酞菁基氧化还原介质中的化学作用研究。

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-18 DOI: 10.1002/cssc.202501040

Subhankar Mandal, Sanjukta Parida, Sabyashachi Mishra, Aninda J Bhattacharyya

{"title":"Probing the Chemical Action of M-N4 Motif in Metal Phthalocyanine-Based Redox Mediators in Li-O2 Batteries.","authors":"Subhankar Mandal, Sanjukta Parida, Sabyashachi Mishra, Aninda J Bhattacharyya","doi":"10.1002/cssc.202501040","DOIUrl":"10.1002/cssc.202501040","url":null,"abstract":"Despite the exceptionally high theoretical specific energy of Li-O2 rechargeable batteries, their practical realization remains elusive, primarily due to the sluggish oxygen reduction/evolution kinetics and the underlying nontrivial mechanisms. This study systematically investigates, by operando spectroscopy and density functional theory calculations, the anchoring characteristics of various discharge (viz. metal-superoxide, metal-peroxide) and side products (viz. Li2CO3, LiOH) on the M-N4 motif of first-row transition metal phthalocyanines redox mediators (RMs) and their impact on Li-O2 battery performance. The unsaturated d-orbital and discharge products oriented between the two MN bonds lead to stability of the Mn-, Fe-, and Co-based RMs, low charge polarization, and superior battery performance. On the contrary, strong anchoring with the phthalocyanine ring leads to a loss of RM activity. While discharge and parasitic products coordinate more strongly with the metal center for unsaturated d-orbital RMs, for filled d-orbitals, the products coordinate with the porphyrin ring. The findings on the orientation of discharge/side products on the M-N4 motif catalyst clearly account for the polarization during the charging process. This fundamental study aid in comprehensive molecular designs for liquid-based RMs for next-generation battery systems for stationary applications.","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2501040"},"PeriodicalIF":7.5,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144323970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Bio-Based Phenol from Cashew Nutshells by Catalytic Hydrocardanol Trans-Alkylation Using H-ZSM-5 Zeolite. H-ZSM-5沸石催化腰果壳氢腰果酚反式烷基化制备生物基苯酚

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-18 DOI: 10.1002/cssc.202500401

Jan J Wiesfeld, Keisuke Iriba, Satoshi Suganuma, Emiel J M Hensen, Ryota Osuga, Kiyotaka Nakajima

{"title":"Bio-Based Phenol from Cashew Nutshells by Catalytic Hydrocardanol Trans-Alkylation Using H-ZSM-5 Zeolite.","authors":"Jan J Wiesfeld, Keisuke Iriba, Satoshi Suganuma, Emiel J M Hensen, Ryota Osuga, Kiyotaka Nakajima","doi":"10.1002/cssc.202500401","DOIUrl":"10.1002/cssc.202500401","url":null,"abstract":"Cardanol, an unsaturated long-chain alkylphenol derived from agricultural waste, has potential as a sustainable substrate for bio-based phenol production. Herein, the potential of hydrocardanol, readily obtained through cardanol hydrogenation, is demonstrated as a viable feedstock for phenol production via trans-alkylation using toluene as the alkyl acceptor. H-ZSM-5 (SiO2/Al2O3 molar ratio = 80) exhibits a 53.7% phenol yield with a high phenolics balance (86.7%) from a 10 wt% hydrocardanol solution at full conversion in a batch reactor. In contrast, cardanol gives only 27.1% phenol under the same reaction conditions. This improved yield with hydrocardanol is attributed to suppressed formation of bi- and/or polycyclic phenols via self-alkylation, due to the higher thermal stability of the saturated side chain. Realkylation of the desired phenol product largely limits the phenol yield. The model reaction experiments with phenol and 1-pentadecene show that the reaction proceeds via hydrocardanol dealkylation on the zeolite, followed by rapid isomerization, cracking and oligomerization reactions of the resulting long-chain olefin, and realkylation of toluene and phenol. This indicates that phenol alkylation could be suppressed by reducing the hydrocardanol-to-toluene ratio. This approach is validated in a fixed-bed flow reactor, achieving a high phenol yield (>95%) with a high carbon balance (>99%).","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2500401"},"PeriodicalIF":7.5,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144323967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Corrigendum to “Biomass-Derived, Target Specific, and Ecologically Safer Insecticide Active Ingredients”

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-18 DOI: 10.1002/cssc.202500976

引用次数: 0

Improved Water Electrolysis Over Cobalt Oxyhydroxide by Carbonate Anion Adsorption: Direct Observation of Active Species Using Operando Hard/Soft X-Ray Absorption Spectroscopy. 碳酸盐阴离子吸附改进氢氧化钴电解：利用Operando硬/软x射线吸收光谱直接观察活性物质。

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-17 DOI: 10.1002/cssc.202500559

Kazuki Harada, Arisu Sakai, Shun Tsunekawa, Yuji Takaki, Masanari Nagasaka, Hayato Yuzawa, Ke-Hsuan Wang, Toshiaki Ina, Hiroshi Kondoh, Masaaki Yoshida

{"title":"Improved Water Electrolysis Over Cobalt Oxyhydroxide by Carbonate Anion Adsorption: Direct Observation of Active Species Using Operando Hard/Soft X-Ray Absorption Spectroscopy.","authors":"Kazuki Harada, Arisu Sakai, Shun Tsunekawa, Yuji Takaki, Masanari Nagasaka, Hayato Yuzawa, Ke-Hsuan Wang, Toshiaki Ina, Hiroshi Kondoh, Masaaki Yoshida","doi":"10.1002/cssc.202500559","DOIUrl":"10.1002/cssc.202500559","url":null,"abstract":"Cobalt oxide electrocatalysts electrodeposited from carbonate-based electrolyte solutions (Co-Ci) and exhibiting high oxygen evolution reaction (OER) activity at neutral pH are investigated using operando hard/soft X-ray absorption fine structure (XAFS) analyses. Operando Co K-edge XAFS data indicate that the Co-Ci comprises a collection of CoOOH nanoclusters and that the Co in this material is oxidized to higher valence states upon applying an electrode potential. Operando C K-edge XAFS results show that carbonate anions are adsorbed on the CoOOH nanoclusters and that this phenomenon is promoted at the active potential for the OER. The carbonate anions are found to remain adsorbed on the CoOOH and to be catalytically active even in unbuffered solutions without carbonate anions. The carbonate anions evidently stabilize the active sites associated with Co4+ to enhance the electrocatalytic activity. This study provides new insights into the function of anions adsorbed on CoOOH nanoclusters, and the results of this work should be applicable to a wide range of metal oxide catalysts in neutral solutions.","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2500559"},"PeriodicalIF":7.5,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144309348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Closed-Loop Recyclable Vitrimer Plastics from PET Waste: A Design for Circularity. 由PET废料制成的闭环可回收玻璃体塑料：循环设计。

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-17 DOI: 10.1002/cssc.202500898

Mary K Danielson, Catalin Gainaru, Zoriana Demchuk, Chuyi Pan, Jihye Choi, Hong-Hai Zhang, Jeffrey C Foster, Tomonori Saito, Md Anisur Rahman

{"title":"Closed-Loop Recyclable Vitrimer Plastics from PET Waste: A Design for Circularity.","authors":"Mary K Danielson, Catalin Gainaru, Zoriana Demchuk, Chuyi Pan, Jihye Choi, Hong-Hai Zhang, Jeffrey C Foster, Tomonori Saito, Md Anisur Rahman","doi":"10.1002/cssc.202500898","DOIUrl":"10.1002/cssc.202500898","url":null,"abstract":"Plastics are essential to modern society, but their low recycling rates and inefficient end-of-life management pose a significant environmental challenge. Herein, the efficient strategy for upcycling postconsumer poly(ethylene terephthalate) (PET) waste into robust, closed-loop recyclable vitrimer plastics and composites is presented to address this issue. The catalyst-free aminolysis utilizes readily available amines to deconstruct diverse PET wastes into macromonomers, which are upcycled into vitrimers, exhibiting superior mechanical properties and exceeding the ultimate tensile stress and Young's Modulus of virgin PET by 80% and 150% respectively. These vitrimers exhibit excellent healability, shape memory, thermal reprocessability, and closed-loop chemical recyclability, enabling quantitative macromonomer recovery even from mixed plastic waste streams and glass/carbon fiber reinforced vitrimer (G/CFRV) composites. Furthermore, the vitrimer resin yields robust GFRV and CFRV composites with tensile strengths exceeding those of traditional epoxy composites by 100% and 80%, respectively, while maintaining complete chemical recyclability of both constituent materials. A preliminary technoeconomic analysis confirms the costeffectiveness and competitiveness of the facile PET deconstruction approach, which is potentially adaptable to other condensation polymers. This study presents a facile approach to upcycling plastic waste into circular plastics and composites, offering a sustainable solution to global plastic waste management and fostering a circular economy.","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2500898"},"PeriodicalIF":7.5,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144309347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Nitrogen-Functionalized Lignin: Current Status, Applications, and Challenges. 氮功能化木质素：现状、应用和挑战。

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-16 DOI: 10.1002/cssc.202500607

Jiansong Chen, Kun Liu, Haishun Du, Xuejun Pan

{"title":"Nitrogen-Functionalized Lignin: Current Status, Applications, and Challenges.","authors":"Jiansong Chen, Kun Liu, Haishun Du, Xuejun Pan","doi":"10.1002/cssc.202500607","DOIUrl":"10.1002/cssc.202500607","url":null,"abstract":"Lignin-a natural, abundant, and renewable biopolymer-has garnered increasing attention for its intrinsic sustainability and versatile chemical architecture. The abundance of reactive functional groups within lignin enables its modification to meet specific application requirements. Nitrogen-functionalized lignin (N-lignin), in particular, has emerged as a focal point in contemporary research, providing a pathway to introduce nitrogen functionality through chemical modifications, grafting copolymerization, or physical blending with nitrogen-containing materials. These strategies significantly enhance the performance of the lignin, making it suitable for diverse applications such as catalysts, antifouling agents, nitrogen-enriched fertilizers, and antibacterial materials. This review offers a comprehensive examination of current methodologies for the nitrogen functionalization of lignin. It also delves into the applications of these functionalized materials in diverse fields, including environmental remediation, biomedicine, energy, catalysis, and agriculture. The analysis highlights the potential of N-lignin to drive sustainable innovations while addressing practical challenges, such as scalability, structural heterogeneity, and process optimization. By synthesizing recent advancements and identifying ongoing challenges, this review provides a roadmap for lignin valorization, emphasizing its transformative role in fostering sustainable technologies and materials.","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2500607"},"PeriodicalIF":7.5,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144309349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Influence of Ink Composition and Drying Technique on the Performance and Stability of Fe-N-C-Based High-Temperature Proton Exchange Membrane Fuel Cells. 油墨组成和干燥技术对fe - n - c基高温质子交换膜燃料电池性能和稳定性的影响。

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-16 DOI: 10.1002/cssc.202500905

Tanja Zierdt, Md Raziun Bin Mamtaz, Tom Eek, Julia Müller-Hülstede, Steffen Rehse, Quentin Meyer, Dana Schonvogel, Peter Wagner, Chuan Zhao, Michael Wark, K Andreas Friedrich

{"title":"Influence of Ink Composition and Drying Technique on the Performance and Stability of Fe-N-C-Based High-Temperature Proton Exchange Membrane Fuel Cells.","authors":"Tanja Zierdt, Md Raziun Bin Mamtaz, Tom Eek, Julia Müller-Hülstede, Steffen Rehse, Quentin Meyer, Dana Schonvogel, Peter Wagner, Chuan Zhao, Michael Wark, K Andreas Friedrich","doi":"10.1002/cssc.202500905","DOIUrl":"10.1002/cssc.202500905","url":null,"abstract":"Fe-N-C catalysts have emerged as a potentially cost-effective alternative to Pt-based catalysts in high-temperature polymer electrolyte membrane fuel cell cathodes. However, the optimal design and deposition method of the Pt-free catalyst layer remain unclear. Herein, the effect of conventional oven drying compared with freeze-drying on the performance of commercial Fe-N-C catalyst layers is investigated. The gas diffusion electrodes are fabricated by doctor blade coating. Freezing the wet catalyst layer at -26 °C and subsequent sublimation of the solvents leads to a 45 % increase in mass-normalized peak power density compared to the conventional oven drying. This is attributed to a templating mechanism of the solvents, resulting in a thicker catalyst layer and improved acid retention, which enables optimal reactant transport. In contrast, freeze-drying with liquid nitrogen negatively impacts the catalyst morphology, leading to reduced porosity and performance. During 100 h of operation, the performance decreases by a similar magnitude, regardless of the fabrication method used. Operando electrochemical impedance spectroscopy with the distribution of relaxation times shows no catalyst deactivation through the fabrication methods. The results highlight the importance of optimizing catalyst layer fabrication methods for Fe-N-C catalysts to achieve improved performance in fuel cell applications.","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2500905"},"PeriodicalIF":7.5,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144300808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Ca²⁺-Driven Enhancement of Anodic Performance and Sulfur Utilization for Magnesium-Sulfur Batteries. 钙离子驱动镁硫电池阳极性能及硫利用的研究。

IF 7.5 2区化学

ChemSusChem Pub Date : 2025-06-16 DOI: 10.1002/cssc.202500999

Reona Iimura, Sibylle Riedel, Hiroaki Kobayashi, Masaki Matsui, Itaru Honma, Maximilian Fichtner, Zhirong Zhao-Karger

{"title":"Ca2+-Driven Enhancement of Anodic Performance and Sulfur Utilization for Magnesium-Sulfur Batteries.","authors":"Reona Iimura, Sibylle Riedel, Hiroaki Kobayashi, Masaki Matsui, Itaru Honma, Maximilian Fichtner, Zhirong Zhao-Karger","doi":"10.1002/cssc.202500999","DOIUrl":"10.1002/cssc.202500999","url":null,"abstract":"Magnesium-sulfur (Mg-S) batteries are emerging as promising energy storage systems due to their cost-effectiveness, safety, and high theoretical volumetric energy density. However, their practical implementation is hindered by sluggish sulfur redox kinetics with Mg2+ and severe polysulfide shuttling. Here, a double-divalent Mg-Ca hybrid electrolyte is introduced, where a small amount of Ca2+ additive significantly enhances sulfur redox kinetics, leading to higher sulfur utilization. Notably, Ca2+ primarily facilitates the solid-to-solid conversion of disulfide to sulfide. In addition to the cathode reaction, the Mg-Ca hybrid electrolyte also contributes to the anode reaction; it enables smoother Mg plating and reduces overpotential with the long cycle (>1000 cycles). For mitigating the polysulfide shuttling, the glass fiber separator with ultrasmall α-MnO2 nanoparticles is modified to adsorb polysulfide. This synergistic strategy of electrolyte and separator engineering enables the Mg-S battery to achieve an initial capacity exceeding 1000 mAh g-1 and extended cycling stability. These findings highlight the potential of Mg-Ca hybrid electrolytes and nanosized α-MnO2-modified separators in the development of high-performance Mg-S batteries.","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e2500999"},"PeriodicalIF":7.5,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144300807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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