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Advances in electrochemical detection of bacterial biofilm metabolites "细菌生物膜代谢物的电化学检测进展"
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-14 DOI: 10.1016/j.coelec.2024.101486
Niloofar Haghighian, Ritu Kataky

Bacterial biofilms are structured communities of microorganisms that play a critical role in various industries and healthcare settings, contributing to chronic infections and biofouling issues. Understanding the metabolites produced by bacterial biofilms is of paramount importance to detect their growth patterns, virulence, and responses to treatment strategies. Electrochemical detection has emerged as a powerful and versatile tool for real-time, label-free, and sensitive analysis of bacterial biofilm metabolites. This review paper investigates recent breakthroughs in the field of electrochemical detection, focusing on the principles, methodologies, and applications of this cutting-edge technology. It includes a comprehensive examination of electrochemical sensors and their various modifications, designed to enhance sensitivity and specificity. Finally, the paper emphasisesing the potential for novel electrochemical techniques and their integration into clinical and industrial settings.

细菌生物膜是由微生物组成的结构化群落,在各行各业和医疗环境中发挥着重要作用,导致慢性感染和生物污染问题。了解细菌生物膜产生的代谢物对于检测其生长模式、毒性和对治疗策略的反应至关重要。电化学检测已成为实时、无标记、灵敏地分析细菌生物膜代谢物的一种功能强大、用途广泛的工具。这篇综述论文探讨了电化学检测领域的最新突破,重点是这一尖端技术的原理、方法和应用。其中包括对电化学传感器及其各种改进的全面研究,旨在提高灵敏度和特异性。最后,论文强调了新型电化学技术的潜力及其与临床和工业环境的结合。
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引用次数: 0
Recent advances in the hybrid cathode for rechargeable zinc-bromine redox batteries 可充电锌溴氧化还原电池混合阴极的最新进展
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-14 DOI: 10.1016/j.coelec.2024.101485
Dabin Han, Sangaraju Shanmugam

Rechargeable metal-bromine batteries have emerged as promising candidates to develop competitive, cost-effective, high-energy-density energy storage systems. The general configuration of a metal-bromine battery includes a metal anode and a bromine cathode. The emergence of zinc-bromine redox batteries (ZBRBs) is attributed to the earth's abundance of zinc, the cost-effectiveness of the active materials, and the high theoretical energy density. Recent advancements have highlighted using bromides (Br, Br2, and Brn (n = 3, 5, 7 …)) entrapping materials for the cathode to enhance the Br/Br2 redox reaction and inhibit the Br2 diffusion in the ZBRBs. This review aims to explore the various arrangements and insights into bromides-entrapping-based cathodes recently reported. Finally, we share perspectives on the remaining challenges and prospects for the ZBRBs.

可充电金属溴电池已成为开发具有竞争力、成本效益高、能量密度大的储能系统的理想候选电池。金属溴电池的一般构造包括一个金属阳极和一个溴阴极。锌溴氧化还原电池(ZBRBs)的出现得益于地球上丰富的锌、活性材料的成本效益以及理论上的高能量密度。最近的研究进展突出了使用溴化物(Br、Br 和 Br(n=3、5、7......))夹带材料作为阴极,以增强溴/硼氧化还原反应并抑制溴在 ZBRB 中的扩散。本综述旨在探讨最近报道的基于溴化物诱捕的阴极的各种安排和见解。最后,我们分享了对 ZBRBs 面临的挑战和前景的看法。
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引用次数: 0
Towards greener energy storage: Brief insights into 3D-printed anode materials for sodium-ion batteries 实现更环保的能源储存:钠离子电池 3D 打印阳极材料简介
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-14 DOI: 10.1016/j.coelec.2024.101482
K. Karuppasamy , Jining Lin , Dhanasekaran Vikraman , Vishwanath Hiremath , P. Santhoshkumar , Hyun-Seok Kim , Akram Alfantazi , T. Maiyalagan , Jan G. Korvink , Bharat Sharma

The safety issues and lack of availability of lithium metal have led to the ever-increasing demand for research on new battery technologies, driven by the need for high-performance electrochemical energy storage (EES) systems. In this regard, sodium-ion batteries (SIBs) are plausible substitutes for commercial lithium-ion batteries (LIBs). However, the growth of SIBs is primarily hampered by insufficient electrochemical characteristics caused by the sluggish diffusion kinetics of sodium ions. Many solutions have been proposed to overcome such shortcuts, including employing innovative fabrication strategies and development in battery technology, such as the advances in 3D-printed electrodes to improve the overall SIBs’ performance. This brief review explores the recent advancements in SIB technology, directed explicitly at using 3D-printed anodes for improved sodium storage. This new additive process can substantially enhance the efficiency, electrochemical performance, and scalability of SIBs.

由于锂金属的安全问题和供应不足,在高性能电化学储能(EES)系统需求的推动下,对新型电池技术研究的需求不断增加。在这方面,钠离子电池(SIB)是商用锂离子电池(LIB)的可靠替代品。然而,钠离子电池的发展主要受制于钠离子缓慢的扩散动力学所导致的电化学特性不足。为了克服这些不足,人们提出了许多解决方案,包括采用创新的制造策略和电池技术的发展,如三维打印电极的进步,以提高 SIB 的整体性能。这篇简短的综述探讨了 SIB 技术的最新进展,明确针对使用三维打印阳极来改进钠储存。这种新型添加剂工艺可大幅提高 SIB 的效率、电化学性能和可扩展性。
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引用次数: 0
From electrolyte to electrode interface: Understanding impacts of electrolyte additives for aqueous zinc-ion batteries 从电解质到电极界面:了解锌离子水电池电解质添加剂的影响
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-14 DOI: 10.1016/j.coelec.2024.101483
Zeshen Deng, Liuzhang Ouyang, Longtao Ma, Lichun Yang, Min Zhu

Aqueous zinc-ion batteries (AZIBs) hold tremendous potential as next-generation large-scale energy storage devices, yet they face significant challenges. The reversibility of AZIBs is hindered by the unstable electrode/electrolyte interface caused by dendrite formation and parasitic side reactions. Electrolyte additives present a promising and straightforward approach to enhance the reversibility of AZIBs while maintaining overall energy density. In this short review, we systematically summarize the impacts of electrolyte additives based on the functional mechanisms. We provide a comprehensive analysis of the effects of additives on the bulk electrolyte and the electrode/electrolyte interface, as well as highlight the significance of multifunctional additives for achieving durable anodes and cathodes. To address the current research limitations, we offer perspectives on future research directions, guiding the exploration of novel additives and the realization of high-performance AZIBs.

锌离子水电池(AZIBs)作为下一代大规模储能设备具有巨大潜力,但也面临着重大挑战。由于枝晶形成和寄生副反应导致电极/电解质界面不稳定,AZIBs 的可逆性受到阻碍。电解质添加剂为提高 AZIB 的可逆性同时保持整体能量密度提供了一种前景广阔的直接方法。在这篇简短的综述中,我们根据功能机制系统地总结了电解质添加剂的影响。我们全面分析了添加剂对体电解质和电极/电解质界面的影响,并强调了多功能添加剂对实现耐用阳极和阴极的重要意义。针对目前研究的局限性,我们展望了未来的研究方向,为探索新型添加剂和实现高性能 AZIB 提供了指导。
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引用次数: 0
SAM-modified electrodes for understanding and harnessing the properties of redox proteins 用于了解和利用氧化还原蛋白特性的 SAM 改性电极
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-14 DOI: 10.1016/j.coelec.2024.101481
Ulises A. Zitare , Jonathan Szuster , Daniel H. Murgida

This short review describes recent work on the use of SAM-coated electrodes for studying redox proteins and enzymes. These platforms, in conjunction with electrochemical and in situ spectroelectrochemical techniques, provide a wealth of information on the structure, dynamics and reactivity of the immobilized proteins. New experimental evidence and theoretical developments, which suppose a major breakthrough in the fundamental understanding of interfacial electron transfer reactions of proteins immobilized on SAM-coated electrodes, are presented. Selected examples of mechanistic insights into redox and redox-coupled processes of the immobilized proteins, as well as the development of alternative SAM coatings for improved protein adsorption, stability and current densities are also discussed.

这篇简短的综述介绍了利用 SAM 涂层电极研究氧化还原蛋白和酶的最新研究成果。这些平台与电化学和原位光谱电化学技术相结合,提供了有关固定蛋白质的结构、动力学和反应性的大量信息。新的实验证据和理论发展为从根本上理解固定在 SAM 涂层电极上的蛋白质的界面电子转移反应提供了重大突破。此外,还讨论了对固定化蛋白质的氧化还原和氧化还原耦合过程的机理认识的部分实例,以及为改善蛋白质吸附、稳定性和电流密度而开发的替代性 SAM 涂层。
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引用次数: 0
Recent advances in anodic hydrogen production: Electrochemical oxidative dehydrogenation of aldehydes to carboxylates 阳极制氢的最新进展:醛到羧酸盐的电化学氧化脱氢反应
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-14 DOI: 10.1016/j.coelec.2024.101484
Nathanael C. Ramos , Adam Holewinski

Electrooxidation of aldehydes to carboxylates has been observed to yield H2 at small anodic potentials on Group IB metal electrodes (mainly Cu, Ag, and Au) in alkaline media. When paired with hydrogen evolution at the cathode, only one mole of electrons is transferred to generate a mole each of hydrogen and carboxylate product. Recently, this phenomenon of electrochemical oxidative dehydrogenation (EOD) has gained renewed interest as it has been demonstrated with biomass-derived substrates at industrially relevant current densities. The high electron efficiency, low cell voltage, and valuable anode products of EOD all give cause for further investigation into its prospects for co-producing renewable hydrogen and organic chemicals. Currently, the underlying mechanism of EOD remains unclear. This contribution reviews the present understanding of the reaction mechanism and highlights notable performance benchmarks to date, emphasizing the role of catalyst material and reaction conditions.

据观察,在碱性介质中的 IB 族金属电极(主要是铜、银和金)上,当阳极电位较低时,醛类电氧化生成羧酸盐会产生氢。在阴极与氢进化配对时,只需转移一摩尔的电子,就能生成一摩尔的氢和羧酸盐产物。最近,这种电化学氧化脱氢(EOD)现象再次引起了人们的兴趣,因为它已在工业相关的电流密度下与生物质衍生基质进行了验证。EOD 的高电子效率、低电池电压和有价值的阳极产品都促使人们进一步研究其联合生产可再生氢气和有机化学品的前景。目前,EOD 的基本机制仍不清楚。本文回顾了目前对该反应机理的理解,并强调了催化剂材料和反应条件的作用,重点介绍了迄今为止显著的性能基准。
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引用次数: 0
The prospects of urea manufacturing via electrochemical co-reduction of CO2 and nitrates 通过二氧化碳和硝酸盐的电化学共还原生产尿素的前景
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-13 DOI: 10.1016/j.coelec.2024.101479
Qinglan Zhao , Yan Zhang , Dapeng Cao , Minhua Shao

Electrochemical co-reduction of CO2 and nitrates presents a promising alternative for urea production. However, the current electrochemical synthesis of urea faces challenges related to low selectivity and production rates. The development of high-efficiency electrocatalysts is the key to performance improvement of urea electrosynthesis. This minireview primarily focuses on the rational design of catalysts, starting with a mechanistic overview. In addition, the advancement of electrolyzers for urea electrochemical synthesis is also discussed aiming to articulate guiding principles of achieving high-rate production reaching industrial relevant level in the future.

一氧化碳和硝酸盐的电化学共还原为尿素生产提供了一种前景广阔的替代方法。然而,目前尿素的电化学合成面临着选择性低和生产率低的挑战。开发高效电催化剂是提高尿素电合成性能的关键。本微型综述主要侧重于催化剂的合理设计,首先从机理方面进行概述。此外,还讨论了尿素电化学合成电解槽的进展,旨在阐明未来实现达到工业相关水平的高速生产的指导原则。
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引用次数: 0
Porous electrocatalysts modified electrodes in organic electrocatalysis 有机电催化中的多孔电催化剂改性电极
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-11 DOI: 10.1016/j.coelec.2024.101478
Xinglei He, Hong Yan, Ke-Yin Ye

Porous materials are emerging recyclable electrocatalysts that exhibit many advantages such as rich pore environments, tunable structures and functionalities, and large specific surface areas. However, the research of these materials in organic electrocatalysis is promising but only emerged recently. In this review, we summarized the latest research progress of porous carbon materials, metal-organic frameworks (MOFs), and covalent-organic frameworks (COFs) in organic electrocatalysis, focusing on their structural optimization, electrochemical performance, and reaction mechanisms. In addition, the main challenges and future directions in this field were also discussed. We hope that this review can inspire more research interest of synthetic organic chemists in the development of porous electrocatalysts in organic electrocatalysis.

多孔材料是新兴的可回收电催化剂,具有许多优点,如丰富的孔隙环境、可调的结构和功能以及较大的比表面积。然而,这些材料在有机电催化方面的研究前景广阔,但最近才刚刚兴起。在这篇综述中,我们总结了多孔碳材料、金属有机框架(MOFs)和共价有机框架(COFs)在有机电催化中的最新研究进展,重点介绍了它们的结构优化、电化学性能和反应机理。此外,还讨论了该领域的主要挑战和未来发展方向。希望这篇综述能激发更多有机合成化学家对有机电催化中多孔电催化剂开发的研究兴趣。
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引用次数: 0
Electromembrane processes for waste valorization: Energy recovery and storage 废物价值化的电热膜工艺:能量回收和储存
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-07 DOI: 10.1016/j.coelec.2024.101477
Marta Herrero-Gonzalez, Inmaculada Ortiz, Raquel Ibañez, Ane Urtiaga

This article reviews the most recent advances on the contribution of electromembrane-based technologies to waste valorisation through their implementation in the sustainable recovery and storage of energy from waste streams. Two driving forces are considered, salinity and pH gradients. Recent advances and challenges in ion exchange membranes (IEMs) and bipolar membranes (BPMs) are presented. Reverse electrodialysis (RED) and reverse bipolar membrane electrodialysis (RBMED) are evaluated as primary batteries to harvest energy from salty streams. The potential of combining RED/ED and RBMED/BMED as sustainable secondary batteries is also presented. Overall, it is concluded that increasing the membrane performance is a key aspect to rise the maturity of the proposed technologies along with their adaptation to the different characteristics of current and future waste streams potentially available for energy recovery and storage.

这篇文章回顾了基于电解质膜的技术在从废物流中可持续地回收和储存能量方面的最新进展。文章考虑了两种驱动力,即盐度和 pH 梯度。介绍了离子交换膜(IEM)和双极膜(BPM)的最新进展和挑战。评估了反向电渗析(RED)和反向双极膜电渗析(RBMED)作为从含盐溪流中获取能量的主要电池的情况。此外,还介绍了将 RED/ED 和 RBMED/BMED 组合作为可持续二次电池的潜力。总之,得出的结论是,提高膜性能是提高拟议技术成熟度的一个关键方面,同时还能使这些技术适应当前和未来可能用于能量回收和储存的废物流的不同特性。
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引用次数: 0
Recent advances in anodic anaerobic ammonia oxidation in microbial electrolysis cells 微生物电解池阳极厌氧氨氧化的最新进展
IF 8.5 2区 化学 Q1 Chemistry Pub Date : 2024-03-07 DOI: 10.1016/j.coelec.2024.101470
Decong Zheng , Daping Li , Jingting Wang , Yifeng Zhang

Electricity-driven anaerobic ammonia oxidation (anammox) has garnered extensive attention as a novel, up-and-coming ammonium removal technology because of its broad, cost-efficient, and eco-friendly application. However, the anammox occurring in anode did not receive the attention it deserved. The underlying mechanisms, regulatory strategies, and technical and economic potential of anodic anammox technology are still poorly understood. Thus, we discussed the recent advance in anodic anammox, emphasizing the associated bacteria groups, and assessed the technological and economic potential of the process in terms of operating conditions and energy consumption. It was unravelled that the energy consumption of anodic anammox varies from 0.002 to 0.80 ± 0.09 kWh kg−1 N. This review can improve our understanding of anodic anammox and provide a theoretical foundation for future regulation and practical applications.

电驱动厌氧氨氧化(anammox)作为一种新型、新兴的氨去除技术,因其应用广泛、成本效益高和生态友好而受到广泛关注。然而,发生在阳极中的氨氧化作用却没有得到应有的重视。人们对阳极氨氧化技术的基本机理、监管策略以及技术和经济潜力仍知之甚少。因此,我们讨论了阳极氨氧化技术的最新进展,强调了相关的细菌群,并从操作条件和能源消耗方面评估了该工艺的技术和经济潜力。本综述可增进我们对阳极氧化还原法的了解,并为今后的监管和实际应用提供理论基础。
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引用次数: 0
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Current Opinion in Electrochemistry
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