Chemical record最新文献_第9页

Green Hydrogen Production From Non-Traditional Water Sources: A Sustainable Energy Solution With Hydrogen Storage and Distribution 利用非传统水源生产绿色氢气：氢储存和分配的可持续能源解决方案。

IF 7 2区化学

Chemical record Pub Date : 2024-09-23 DOI: 10.1002/tcr.202400080

Fazil Qureshi, Mohammad Asif, Abuzar Khan, Hamad Aldawsari, Mohammad Yusuf, Mohd Yusuf Khan

{"title":"Green Hydrogen Production From Non-Traditional Water Sources: A Sustainable Energy Solution With Hydrogen Storage and Distribution","authors":"Fazil Qureshi, Mohammad Asif, Abuzar Khan, Hamad Aldawsari, Mohammad Yusuf, Mohd Yusuf Khan","doi":"10.1002/tcr.202400080","DOIUrl":"10.1002/tcr.202400080","url":null,"abstract":"Green hydrogen development plays an essential role in creating a sustainable and environmentally conscious society while reducing reliance on traditional fossil fuels. Proton Exchange Membrane Water Electrolysers (PEMWEs), are sensitive to water quality, with various impurities impacting their efficiency, the quality of the hydrogen produced, and the device‘s lifespan. High-purity water is required for PEM electrolyzers; Type II water, which is required for commercial electrolyzers, must have a resistivity greater than 1 MΩ cm, sodium, and chloride concentrations less than 5 μg/L, and total organic carbon (TOC) content less than 50 parts per billion. The majority of electrolyzers operate on freshwater, or total dissolved solids (TDS) <0.5 g/kg, whereas brackish, rainwater, wastewater, and seawater have TDSs of 1–35 g/kg, 0.01–0.15 g/kg, 0.5–2 g/kg, and 35–45 g/kg, respectively. This critical review offers, for the first time, a comprehensive overview of relevant impurities in operating electrolyzers and their impact. The findings of this study indicate that electrolysis-based H2 processes are promising options that contribute to the H2 production capacity but require improvements to produce larger competitive volumes. In addition, the main challenges and opportunities for generating, storing, transporting, and distributing hydrogen, as well as large-scale adoption are discussed.","PeriodicalId":10046,"journal":{"name":"Chemical record","volume":"24 10","pages":""},"PeriodicalIF":7.0,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307214","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

The Progress of Reductive Coupling Reaction by Iron Catalysis 铁催化还原偶联反应的研究进展

IF 7 2区化学

Chemical record Pub Date : 2024-09-17 DOI: 10.1002/tcr.202400108

Prof. Dr. Jian-Qiang Zhao, Prof. Dr. Zhang-Pei Chen

{"title":"The Progress of Reductive Coupling Reaction by Iron Catalysis","authors":"Prof. Dr. Jian-Qiang Zhao, Prof. Dr. Zhang-Pei Chen","doi":"10.1002/tcr.202400108","DOIUrl":"10.1002/tcr.202400108","url":null,"abstract":"The transition metal catalyzed coupling reaction has revolutionized the strategies for forging the carbon-carbon bonds. In contrast to traditional cross-coupling methods using pre-prepared nucleophilic organometallic reagents, reductive coupling reactions for the C−C bonds formation provide some advantages. Because both coupling partners are reduced in the final products using a stoichiometric amount of a reductant, this approach not only avoids the need to use sensitive organometallic species, but also provides an orthogonal and complementary access to classical coupling reaction. Notably, the reductive coupling reactions feature readily available fragments, promote good step economy, exhibit high functional group tolerance and unique chemoselectivity, which have propelled their increasingly popular in the organic synthesis. In recent years, due to the low price, minimal toxicity, and environmentally benign character, iron-catalyzed carbon-carbon coupling reactions have garnered significant attention from the organic synthetic chemists and pharmacologists, especially the iron-catalyzed reductive coupling. This review aims to provide an insightful overview of recent advances in iron-catalyzed reductive coupling reactions, and to illustrate their possible reaction mechanisms.","PeriodicalId":10046,"journal":{"name":"Chemical record","volume":"24 11","pages":""},"PeriodicalIF":7.0,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142255031","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

An Opportunity for Synergizing Desalination by Membrane Distillation Assisted Reverse-Electrodialysis for Water/Energy Recovery 利用膜蒸馏辅助反向电渗析法协同海水淡化以实现水/能源回收的机遇

IF 7 2区化学

Chemical record Pub Date : 2024-09-17 DOI: 10.1002/tcr.202400098

Muhammad Mujahid, Muhammad Umar Farooq, Chao Wang, Bassim Arkook, Moussab Harb, Long-Fei Ren, Jiahui Shao

{"title":"An Opportunity for Synergizing Desalination by Membrane Distillation Assisted Reverse-Electrodialysis for Water/Energy Recovery","authors":"Muhammad Mujahid, Muhammad Umar Farooq, Chao Wang, Bassim Arkook, Moussab Harb, Long-Fei Ren, Jiahui Shao","doi":"10.1002/tcr.202400098","DOIUrl":"10.1002/tcr.202400098","url":null,"abstract":"Industry, agriculture, and a growing population all have a major impact on the scarcity of clean-water. Desalinating or purifying contaminated water for human use is crucial. The combination of thermal membrane systems can outperform conventional desalination with the help of synergistic management of the water-energy nexus. High energy requirement for desalination is a key challenge for desalination cost and its commercial feasibility. The solution to these problems requires the intermarriage of multidisciplinary approaches such as electrochemistry, chemical, environmental, polymer, and materials science and engineering. The most feasible method for producing high-quality freshwater with a reduced carbon footprint is demanding incorporation of industrial low-grade heat with membrane distillation (MD). More precisely, by using a reverse electrodialysis (RED) setup that is integrated with MD, salinity gradient energy (SGE) may be extracted from highly salinized MD retentate. Integrating MD-RED can significantly increase energy productivity without raising costs. This review provides a comprehensive summary of the prospects, unresolved issues, and developments in this cutting-edge field. In addition, we summarize the distinct physicochemical characteristics of the membranes employed in MD and RED, together with the approaches for integrating them to facilitate effective water recovery and energy conversion from salt gradients and freshwater.","PeriodicalId":10046,"journal":{"name":"Chemical record","volume":"24 10","pages":""},"PeriodicalIF":7.0,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142255033","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

Recent Developments in the Fabrication and Application of Superhydrophobic Suraces 制造和应用超疏水膜的最新进展。

IF 7 2区化学

Chemical record Pub Date : 2024-09-09 DOI: 10.1002/tcr.202400065

Ting Li, Yi Peng., Hang You, Xiaoya Guan, Jin Lv, Chong Yang

{"title":"Recent Developments in the Fabrication and Application of Superhydrophobic Suraces","authors":"Ting Li, Yi Peng., Hang You, Xiaoya Guan, Jin Lv, Chong Yang","doi":"10.1002/tcr.202400065","DOIUrl":"10.1002/tcr.202400065","url":null,"abstract":"A superhydrophobic surface is defined as having a contact angle exceeding 150 °C, indicating a remarkable ability to repel water. Generally, superhydrophobicity originates from the utilization of low-surface-energy materials with unique micro- and nanostructures. Superhydrophobic surfaces have gained considerable recognition and are widely employed in diverse areas for anti-icing, oil-water separation, anticorrosion, self-cleaning, blood-repellent, and antibacterial applications. These surfaces can greatly enhance industrial processes by yielding significant performance improvements. In this review, we introduce the basic theories that provide a foundation for understanding the hydrophobic properties of superhydrophobic surfaces. We then discuss current techniques for fabricating superhydrophobic coatings, critically analyzing their strengths and limitations. Furthermore, we provide an overview of recent progress in the application of superhydrophobic materials. Finally, we summarize the challenges in developing superhydrophobic materials and future trends in this field. The insights provided by this review can help researchers understand the basic knowledge of superhydrophobic surfaces and obtain the latest progress and challenges in the application of superhydrophobic surfaces. It provides help for further research and practical application of superhydrophobic surfaces.","PeriodicalId":10046,"journal":{"name":"Chemical record","volume":"24 9","pages":""},"PeriodicalIF":7.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142153250","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

Dibenzo-Fused Heterocycles: A Decade Update on the Syntheses of Carbazole, Dibenzofuran, and Dibenzothiophene 二苯并呋喃杂环：咔唑、二苯并呋喃和二苯并噻吩合成的十年更新。

IF 7 2区化学

Chemical record Pub Date : 2024-09-06 DOI: 10.1002/tcr.202400078

Anjana Sreekumar, Ajil R. Nair, C. Raksha, S. Gopika, S. Padmanabhan, R. Gopalakrishna Pai, Dr. Akhil Sivan

引用次数: 0

Multichannel Lanthanide-Doped Nanoprobes for Serodiagnosis and Therapy 用于血清诊断和治疗的多通道掺镧纳米探针。

IF 7 2区化学

Chemical record Pub Date : 2024-09-05 DOI: 10.1002/tcr.202400100

Dr. Yuxin Liu, Zheng Wei

引用次数: 0

Catalytic Hydrodeoxygenation of Phenols and Cresols to Gasoline Range Biofuels 催化苯酚和甲酚加氢脱氧生成汽油系列生物燃料。

IF 7 2区化学

Chemical record Pub Date : 2024-09-05 DOI: 10.1002/tcr.202400092

Ahmed A. Mohammed, Dr. Joy H. Tannous

{"title":"Catalytic Hydrodeoxygenation of Phenols and Cresols to Gasoline Range Biofuels","authors":"Ahmed A. Mohammed, Dr. Joy H. Tannous","doi":"10.1002/tcr.202400092","DOIUrl":"10.1002/tcr.202400092","url":null,"abstract":"Unlike fossil fuels, biomass has oxygen amounts exceeding 10 wt%. Hydrodeoxygenation (HDO) is a crucial step in upgrading biomass to higher heating value liquid fuels. Oxygen removal has many challenges due to the complex chemistry and the high reactivity leading to irreversible catalyst deactivation. In this study, the focus is on the catalytic HDO of aromatic oxygen-containing model compounds in biomass: phenols and cresols. In the current work, literature on catalytic HDO of phenols using molecular hydrogen is reviewed, with a focus on non-nickel-based mono- and bi-metallic catalysts, as nickel-based catalysts were reviewed elsewhere. In addition, the catalytic HDO of m-cresol using molecular hydrogen is examined. This review also addresses the use of hydrogen donors for the HDO of phenols and cresols. The operating conditions, catalysts, products, and yields are summarized to find the catalyst with promising activity and high selectivity toward aromatics. A critical review of the reactions that successfully led to HDO is presented and research gaps related to the HDO of phenols and cresols are highlighted. The conclusions provide potential successful catalyst combinations that can be used for HDO of phenols, cresols, and liquid aromatic hydrocarbons.","PeriodicalId":10046,"journal":{"name":"Chemical record","volume":"24 10","pages":""},"PeriodicalIF":7.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142131990","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

Woodward-Hoffmann or Hoffmann-Woodward? Cycloadditions and the Transformation of Roald Hoffmann from a “Calculator” to an “Explainer”** 伍德沃德-霍夫曼还是霍夫曼-伍德沃德？环加成反应与罗尔德-霍夫曼从 "计算者 "到 "解释者 "的转变。

IF 7 2区化学

Chemical record Pub Date : 2024-08-27 DOI: 10.1002/tcr.202300181

Jeffrey I. Seeman

引用次数: 0

Cover Picture: Utilization of Reactive Nitrogen Compounds for Nitrogen Circular Economy (Chem. Rec. 8/2024) 封面图片：利用反应性氮化合物实现氮循环经济（Chem. Rec. 8/2024）

IF 7 2区化学

Chemical record Pub Date : 2024-08-27 DOI: 10.1002/tcr.202480801

Dr. Tatsuo Kimura

引用次数: 0

Stereoselective Synthesis of Glycosides via Tsuji–Trost Type Glycosylation Using 3,4-Carbonate Galactals 利用 3,4-碳酸半乳糖通过辻-特罗斯特型糖基化立体选择性合成糖苷。