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Recent advances in electrochemistry with zeolitic materials 沸石材料电化学研究进展
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-04-01 Epub Date: 2026-01-07 DOI: 10.1016/j.coelec.2025.101808
Alain Walcarius
Despite their insulating nature and inherent lack of electrochemical activity, zeolite materials can be useful in electrochemistry due to their mechanically stable porous structure; their molecular sieving, ion exchange, and hosting properties; and their ionic conductivity. This opinion piece highlights the latest advances in the development of electrochemical methods for the production of continuous zeolite thin films, in electroanalysis and electrocatalysis, as well as the potential of zeolite materials for electrochemical energy conversion and storage.
尽管沸石材料具有绝缘性和固有的缺乏电化学活性,但由于其机械稳定的多孔结构,沸石材料在电化学中是有用的;它们的分子筛分、离子交换和承载性能;以及它们的离子电导率。这篇观点文章强调了用于生产连续沸石薄膜的电化学方法的最新进展,在电分析和电催化方面,以及沸石材料在电化学能量转换和储存方面的潜力。
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引用次数: 0
Electrochemical valorization of cellulose, hemicellulose, and lignin derivates into functional products: A mini-review 纤维素、半纤维素和木质素衍生物转化为功能性产品的电化学增值:综述
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-12-13 DOI: 10.1016/j.coelec.2025.101806
Byan Baihaqi, Yusrin Ramli, Francesco Thadeo, Abuliti Abudula, Guoqing Guan
The growing global energy demand underscores the urgent need for sustainable alternatives to fossil fuels. Biomass, as an abundant and renewable resource, offers significant potential for producing value-added chemicals and energy carriers. Among various conversion routes, electrochemical process emerges as a promising green technology, operating under mild conditions, minimizing reagent consumption, and reducing wastes. This mini-review provides an overview of recent advances in the electrochemical valorization of cellulose, hemicellulose, and lignin derivatives (particularly, glucose, xylose, and phenolic compounds) into high-value functional products. Recent progress, innovative strategies, and existing challenges are discussed, along with perspectives for future research aiming to develop more efficient electrocatalysts and integrated reaction systems for sustainable biomass valorization.
日益增长的全球能源需求凸显了寻找化石燃料的可持续替代品的迫切需要。生物质作为一种丰富的可再生资源,在生产增值化学品和能源载体方面具有巨大潜力。在各种转化途径中,电化学过程以其在温和的条件下运行、减少试剂消耗、减少浪费等优点成为一种很有前途的绿色技术。这篇综述概述了纤维素、半纤维素和木质素衍生物(特别是葡萄糖、木糖和酚类化合物)电化学增值成高价值功能产品的最新进展。讨论了最近的进展、创新策略和存在的挑战,以及未来研究的前景,旨在开发更有效的电催化剂和可持续生物质增值的综合反应系统。
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引用次数: 0
Electrochemical advances for cultural heritage science 文化遗产学的电化学进展
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-12-13 DOI: 10.1016/j.coelec.2025.101804
Francesca Di Turo
Electrochemistry has become an increasingly powerful tool in cultural heritage science, offering minimally invasive strategies for both conservation and archaeometric research. Recent advances in Electrochemical Impedance Spectroscopy (EIS) have focused on the development of gelled electrolytes, miniaturised probes, and portable configurations, enabling reliable analyses on fragile or irregular metallic artefacts while minimising risks to their surfaces. In parallel, Voltammetry of Immobilised Microparticles (VIMP) has expanded far beyond its original application to metals, demonstrating remarkable versatility across ceramics, paper, pigments, and complex polychrome artworks. These approaches not only allow for the characterisation and discrimination of materials but also provide insights into provenance, production technologies, and long-term stability. By bridging conservation practice with archaeometric questions, electrochemical methods are emerging as cornerstone techniques in heritage science, complementing conventional analytical approaches and opening new perspectives for the study and preservation of cultural materials.
电化学已成为文化遗产科学中日益强大的工具,为保护和考古研究提供了微创策略。电化学阻抗谱(EIS)的最新进展集中在凝胶电解质、小型化探针和便携式配置的开发上,能够对易碎或不规则的金属工件进行可靠的分析,同时最大限度地降低其表面的风险。与此同时,固定微粒伏安法(VIMP)已经远远超出了其最初在金属上的应用,在陶瓷、纸张、颜料和复杂的彩色艺术品上展示了非凡的多功能性。这些方法不仅可以对材料进行表征和区分,还可以对来源、生产技术和长期稳定性提供见解。通过将保护实践与考古问题联系起来,电化学方法正在成为遗产科学的基石技术,补充了传统的分析方法,并为文化材料的研究和保护开辟了新的视角。
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引用次数: 0
Impedance analysis of high-entropy alloy for ammonia synthesis 合成氨用高熵合金的阻抗分析
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-12-03 DOI: 10.1016/j.coelec.2025.101791
Daniela Silva , Paulo Molina , Luis Herrán , Diego Véliz , Magdalena Walczak , Mamié Sancy
Ammonia is gaining significant importance as a renewable energy carrier, driving global interest in sustainable production methods, such as electrochemical nitrogen or nitrate reduction. Due to the low yield in electrochemical ammonia synthesis, research on new catalyst materials, such as high-entropy alloys, has become increasingly significant, necessitating a deeper analysis of their catalytic behavior. In this context, electrochemical impedance spectroscopy is a valuable and versatile technique. This review presents a comprehensive impedance analysis of high-entropy alloys as catalysts for the electrochemical nitrogen reduction reaction and nitrogen oxoanions reduction reaction for ammonia generation at room temperature, highlighting the complexity of the system and the need for a multidisciplinary approach to understand the microstructural and electrochemical mechanisms.
氨作为一种可再生能源载体正变得越来越重要,推动了全球对可持续生产方法的兴趣,如电化学氮或硝酸盐还原。由于电化学合成氨的收率较低,对高熵合金等新型催化剂材料的研究日益重要,需要对其催化行为进行更深入的分析。在这种情况下,电化学阻抗谱是一种有价值的、通用的技术。本文综述了高熵合金作为室温下电化学氮还原反应和氮氧阴离子还原反应催化剂的阻抗分析,强调了系统的复杂性,以及需要多学科方法来理解微观结构和电化学机制。
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引用次数: 0
Transition metal MN4 macrocycle-derived bifunctional ORR/OER electrocatalysts for air electrodes in rechargeable zinc-air batteries 可充电锌-空气电池空气电极用过渡金属MN4大循环衍生双功能ORR/OER电催化剂
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-11-17 DOI: 10.1016/j.coelec.2025.101783
Zubair Ahmed, Marek Mooste, Kaido Tammeveski
Secondary Zn-air battery (ZAB), also known as rechargeable ZAB, is one of the most viable alternatives for Li-ion batteries for light transportation, electric vehicles, and portable electronics. Therefore, its development potential is significant, but at present it is limited mainly by the need for platinum-group-metal (PGM)-based air electrode materials to catalyze the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). MN4 macrocyclic complexes, which have a central metal atom coordinated to surrounding nitrogen atoms, have emerged as one of the most promising alternatives to PGM-based catalysts for the ZAB air electrode, creating an intense and competitive research field. This review summarizes the most important MN4 macrocycle-derived air electrode catalyst developments in recent years for rechargeable ZABs, while also highlighting some critical issues.
二次锌空气电池(ZAB),也被称为可充电ZAB,是轻型运输、电动汽车和便携式电子产品中锂离子电池最可行的替代品之一。因此,其发展潜力显著,但目前主要受限于需要铂族金属(PGM)基空气电极材料来催化氧还原反应(ORR)和析氧反应(OER)。具有中心金属原子与周围氮原子配位的MN4大环配合物已成为最有希望替代pgm基ZAB空气电极催化剂的一种,创造了一个激烈和竞争的研究领域。本文综述了近年来用于可充电ZABs的MN4大循环衍生空气电极催化剂的重要进展,并指出了一些关键问题。
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引用次数: 0
Electroanalytical methods for monitoring pollutants during (photo)-(electro)-catalytic treatments of wastewater—A critical review on possible hybrid vs sequenced combinations (照片)-(电)-催化处理废水过程中监测污染物的电分析方法——对可能的混合与测序组合的重要回顾
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-11-24 DOI: 10.1016/j.coelec.2025.101787
Flamur Sopaj , Emmanuel Mousset
Electrochemical analysis of the wastewater pollutants during their degradation by electrochemical and photocatalytical techniques has been reviewed for the first time. Electroanalysis is convenient compared to chromatographic methods, due to its simplicity and cost-effectiveness, though interferences could restrict its use. The electroanalytical methods used during the degradation processes were as follows: differential pulse voltammetry (DPV), square wave voltammetry (SWV), cyclic voltammetry (CV), linear scan voltammetry, and chronoamperometry. DPV and SWV were the most used techniques due to their higher sensitivity and selectivity. Electroanalysis has been more performed during photochemical than during electrochemical treatments. In addition, the combination was mostly performed in sequence, while only few cases investigated the hybrid coupling, in which in situ analyses took place. Advantages and drawbacks of the sequenced versus hybrid system have been discussed, while more intensive studies need to performed to improve the promising possibility of the in situ combination.
本文首次综述了电化学和光催化技术降解废水污染物过程中的电化学分析。与色谱法相比,电分析法简便,成本效益高,但干扰可能会限制其使用。降解过程中采用的电分析方法有:差分脉冲伏安法(DPV)、方波伏安法(SWV)、循环伏安法(CV)、线性扫描伏安法和计时伏安法。DPV和SWV技术因其较高的灵敏度和选择性而被广泛使用。电化学分析在光化学处理中比在电化学处理中进行得更多。此外,这些组合大多是按顺序进行的,而只有少数情况调查了杂交耦合,其中进行了原位分析。已经讨论了测序与杂交系统的优缺点,但需要进行更深入的研究以提高原位组合的可能性。
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引用次数: 0
Translating mechanistic insights into industrially relevant performance for alkaline hydrogen evolution 将机械见解转化为工业相关的碱性氢演化性能
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-11-05 DOI: 10.1016/j.coelec.2025.101781
Yawen Hao , Qian Zhang , Yu Yang , Fengwang Li , Aoni Xu
Alkaline water electrolysis enables low-cost hydrogen production with non-precious catalysts but suffers from sluggish water dissociation and complex interfacial proton transport. In this perspective, we first summarize how catalyst design strategies are guided by an expanding set of mechanistic insights, including reaction pathway modulation, interface engineering, and microenvironment control to enhance intrinsic activity at the active site. We then address the principal barrier to implementation: the evaluation challenge, where catalysts that show promise under simplified, low-current-density laboratory conditions often fail when subjected to the harsh, high-current-density environment of an industrial stack. This work argues that bridging these 'active sites to stacks' divide necessitates a methodological shift toward harmonized, device-relevant benchmarking to create a reliable feedback loop between catalyst design and practical application. Adopting this integrated approach is essential for accelerating the deployment of durable, high-performance catalysts capable of achieving scalable, cost-effective hydrogen production.
碱水电解是一种使用非贵重催化剂的低成本制氢方法,但存在水解离缓慢和复杂的界面质子传输问题。从这个角度来看,我们首先总结了催化剂设计策略是如何由一系列不断扩展的机理见解指导的,包括反应途径调制、界面工程和微环境控制,以增强活性位点的内在活性。然后,我们解决了实施的主要障碍:评估挑战,在简化、低电流密度的实验室条件下表现出前景的催化剂,在受到工业堆的恶劣、高电流密度环境的影响时,往往会失效。这项工作认为,弥合这些“活性位点到堆栈”的鸿沟,需要在方法上转向协调,设备相关的基准测试,以在催化剂设计和实际应用之间创建可靠的反馈回路。采用这种综合方法对于加速耐用、高性能催化剂的部署至关重要,这些催化剂能够实现可扩展、具有成本效益的制氢。
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引用次数: 0
Electrochemical impedance spectroscopy of battery systems, including sodium materials 电池系统的电化学阻抗谱,包括钠材料
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-11-30 DOI: 10.1016/j.coelec.2025.101800
Renjie Liu, Derek C. Sinclair, Anthony R. West
An overview is given of the literature on current approaches to the measurement, analysis and interpretation of broadband impedance data and examples of its application to Na materials, cells and batteries. Standard 2-terminal measurements on full cells are often complemented by both 2- and 3-terminal measurements on a range of materials and cell configurations; this should enable identification of the different impedance contributions that control full cell operation. Data analysis usually revolves around equivalent circuit modelling; strategies to identify the most appropriate circuits are reviewed, including the increasing use of the distribution of relaxation times methodology. Interfacial phenomena are fundamental components of solid electrolyte interfaces and composite electrodes in operational batteries; these are reviewed for Na-based materials and systems.
概述了目前宽带阻抗数据的测量、分析和解释方法的文献,并举例说明了其在钠材料、电池和电池中的应用。对全电池的标准2端测量通常由对一系列材料和电池配置的2端和3端测量补充;这应该能够识别控制整个电池运行的不同阻抗贡献。数据分析通常围绕等效电路建模;回顾了确定最合适电路的策略,包括越来越多地使用松弛时间分布方法。界面现象是可操作电池中固体电解质界面和复合电极的基本组成部分;对na基材料和系统进行了综述。
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引用次数: 0
Advances in fuel cells EIS data analysis using the distribution function of relaxation times methods 利用松弛时间分布函数法分析燃料电池EIS数据的研究进展
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-12-11 DOI: 10.1016/j.coelec.2025.101803
Shweta Pal, Yoed Tsur
Analyzing Electrochemical Impedance Spectroscopy (EIS) data measured on fuel cells is increasingly done by finding the Distribution Function of Relaxation Times (DFRT, also known as DRT). This has clear advantages in cases where the important loss mechanisms occur in series and at separable time constants. Then each peak may be attributed to a process, and its integral yields the effective loss associated with it. Recent advances in this field are briefly reviewed.
分析燃料电池的电化学阻抗谱(EIS)数据越来越多地通过寻找松弛时间分布函数(DFRT,也称为DRT)来完成。这在重要的损耗机制串联发生且时间常数可分离的情况下具有明显的优势。然后,每个峰值可归因于一个过程,其积分产生与之相关的有效损失。本文简要回顾了这一领域的最新进展。
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引用次数: 0
Harnessing the potential of artificial intelligence and 3D-printed electrochemical sensors for environmental analysis 利用人工智能和3d打印电化学传感器的潜力进行环境分析
IF 6.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-01 Epub Date: 2025-10-25 DOI: 10.1016/j.coelec.2025.101772
Ravery Sebuyoya, Glen D. O'Neil
Integrating artificial intelligence (AI) with 3D-printed electrochemical sensors has tremendous potential to revolutionize environmental monitoring. This Opinion explores the opportunities enabled by combining AI with 3D-printed electrochemical sensors for detecting various environmental analytes. It examines recent advancements in 3D-printed sensors for environmental applications, the integration of AI into 3D printing technologies, and the opportunities and challenges associated with applying AI to electrochemical sensing, particularly in environmental analysis.
将人工智能(AI)与3d打印电化学传感器相结合,在彻底改变环境监测方面具有巨大的潜力。本意见探讨了将人工智能与3d打印电化学传感器相结合,用于检测各种环境分析物所带来的机会。它探讨了用于环境应用的3D打印传感器的最新进展,人工智能与3D打印技术的集成,以及将人工智能应用于电化学传感,特别是在环境分析方面的机遇和挑战。
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引用次数: 0
期刊
Current Opinion in Electrochemistry
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