Pub Date : 2025-08-19DOI: 10.1016/j.coelec.2025.101745
Sondes Ben-Aissa, Suryasnata Tripathy, Anthony Edward George Cass
Applying biosensor technologies to continuous, real-time measurements in living creatures, including humans, offers an exciting range of possibilities for a better understanding of both normal physiology and disease. It also comes with a collection of technical, ethical and regulatory needs that render the transition of electrochemical biosensors from in vitro to in vivo exceptionally challenging. In this review, we address the advances in the components of implantable electrochemical biosensors. These include the integration of molecular recognition elements, materials design, supply of electrical power, fabrication of instrumentation packages and communications protocols. Significant challenges that remain include those associated with biocompatibility, sterility, device lifetime, calibration and user acceptability. Regulatory aspects whether of medical or consumer devices are essential to address and need to be an early consideration in device design, as are the use cases to which the implanted sensor will ultimately address.
{"title":"Implantable electrochemical biosensors: Challenges, strategies, and applications","authors":"Sondes Ben-Aissa, Suryasnata Tripathy, Anthony Edward George Cass","doi":"10.1016/j.coelec.2025.101745","DOIUrl":"10.1016/j.coelec.2025.101745","url":null,"abstract":"<div><div>Applying biosensor technologies to continuous, real-time measurements in living creatures, including humans, offers an exciting range of possibilities for a better understanding of both normal physiology and disease. It also comes with a collection of technical, ethical and regulatory needs that render the transition of electrochemical biosensors from in vitro to in vivo exceptionally challenging. In this review, we address the advances in the components of implantable electrochemical biosensors. These include the integration of molecular recognition elements, materials design, supply of electrical power, fabrication of instrumentation packages and communications protocols. Significant challenges that remain include those associated with biocompatibility, sterility, device lifetime, calibration and user acceptability. Regulatory aspects whether of medical or consumer devices are essential to address and need to be an early consideration in device design, as are the use cases to which the implanted sensor will ultimately address.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"54 ","pages":"Article 101745"},"PeriodicalIF":6.9,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145046148","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}
Pub Date : 2025-08-16DOI: 10.1016/j.coelec.2025.101748
Supratim Mahapatra, Daphika S. Dkhar, Ankur Singh, Pranjal Chandra
Glassy carbon electrodes (GCEs) remain a cornerstone in electrochemical biosensing due to their conductivity, stability, and reliability for surface modifications. Incorporation of metallic nanoparticles (MNPs) onto GCEs has significantly improved biosensor performance, particularly in terms of sensitivity, selectivity, and signal transduction. Despite extensive applications using noble and transition metal nanostructures, a systematic understanding of how MNP characteristics such as morphology, composition, and deposition methods impact biosensing across enzymatic, immunological, and nucleic acid platforms remains underexplored. This review critically examines recent advances in MNP-GCE systems, emphasizing nanomaterial design, surface functionalization strategies, and incorporating emerging smart biosensing trends. It discusses the integration of artificial intelligence (AI), machine learning (ML), and Internet of Things (IoT) technologies for next-generation smart sensing applications. Key challenges such as reproducibility, real-sample compatibility, and commercial scalability are highlighted, along with future directions for advancing robust, intelligent biosensors for point-of-care and digital healthcare applications.
{"title":"Metallic nanoparticle-based glassy carbon electrodes for smart biosensing","authors":"Supratim Mahapatra, Daphika S. Dkhar, Ankur Singh, Pranjal Chandra","doi":"10.1016/j.coelec.2025.101748","DOIUrl":"10.1016/j.coelec.2025.101748","url":null,"abstract":"<div><div>Glassy carbon electrodes (GCEs) remain a cornerstone in electrochemical biosensing due to their conductivity, stability, and reliability for surface modifications. Incorporation of metallic nanoparticles (MNPs) onto GCEs has significantly improved biosensor performance, particularly in terms of sensitivity, selectivity, and signal transduction. Despite extensive applications using noble and transition metal nanostructures, a systematic understanding of how MNP characteristics such as morphology, composition, and deposition methods impact biosensing across enzymatic, immunological, and nucleic acid platforms remains underexplored. This review critically examines recent advances in MNP-GCE systems, emphasizing nanomaterial design, surface functionalization strategies, and incorporating emerging smart biosensing trends. It discusses the integration of artificial intelligence (AI), machine learning (ML), and Internet of Things (IoT) technologies for next-generation smart sensing applications. Key challenges such as reproducibility, real-sample compatibility, and commercial scalability are highlighted, along with future directions for advancing robust, intelligent biosensors for point-of-care and digital healthcare applications.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"54 ","pages":"Article 101748"},"PeriodicalIF":6.9,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145007685","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}
Pub Date : 2025-08-14DOI: 10.1016/j.coelec.2025.101747
Din Zelikovich , Pavel Savchenko , Daniel Mandler
The understanding that chemical reactions carried out under nanoconfinement behave significantly differently than in the bulk has motivated electrochemists to study electrochemical processes in nanometer-sized volumes. Significant work has been performed in nanopores where the reactants and products enter and leave at different places. This has been primarily applied to protein and DNA sequencing. Yet, fewer studies have been devoted to studying electrochemical reactions in nanocavities where there is only a single opening. This review summarizes the growing activity in this relatively new area, which includes the approaches for making nanocavities, the ways the nanocavities are analyzed, and the present and future applications.
{"title":"Confined electrochemistry in nanocavities: Perspective and techniques","authors":"Din Zelikovich , Pavel Savchenko , Daniel Mandler","doi":"10.1016/j.coelec.2025.101747","DOIUrl":"10.1016/j.coelec.2025.101747","url":null,"abstract":"<div><div>The understanding that chemical reactions carried out under nanoconfinement behave significantly differently than in the bulk has motivated electrochemists to study electrochemical processes in nanometer-sized volumes. Significant work has been performed in nanopores where the reactants and products enter and leave at different places. This has been primarily applied to protein and DNA sequencing. Yet, fewer studies have been devoted to studying electrochemical reactions in nanocavities where there is only a single opening. This review summarizes the growing activity in this relatively new area, which includes the approaches for making nanocavities, the ways the nanocavities are analyzed, and the present and future applications.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"54 ","pages":"Article 101747"},"PeriodicalIF":6.9,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144933480","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}
Pub Date : 2025-08-13DOI: 10.1016/j.coelec.2025.101746
Janiennid Alicea Tirado , Gina DelMonache , Shwetha Prakash, Pratahdeep Gogoi, Xiaoli Ge, Yuguang C. Li
Electrochemical systems are considered key technologies for integrating directly with renewable energy sources. However, the development and industrial adoption of certain electrochemical systems are hindered by low efficiencies and current densities, particularly for the activation of inert chemical bonds. Plasma-electrochemical systems have emerged as a transformative approach to overcoming these challenges by decoupling the requirement for bond activation and reaction selectivity. This hybrid configuration allows plasma to drive the activation of strong chemical bonds, while the electrochemical interface controls product formation. As a result, activity and selectivity can be optimized independently, offering a significant advantage over conventional approaches. Plasma-electrochemical systems have been successfully applied in ammonia synthesis, CO2 reduction, methane activation, and environmental pollutant remediation. This review discusses recent advancements in plasma-electrochemical experimental setups and key chemical mechanisms involved in various catalytic conversions.
{"title":"Decoupling activity and selectivity in catalysis reactions with plasma electrochemical systems","authors":"Janiennid Alicea Tirado , Gina DelMonache , Shwetha Prakash, Pratahdeep Gogoi, Xiaoli Ge, Yuguang C. Li","doi":"10.1016/j.coelec.2025.101746","DOIUrl":"10.1016/j.coelec.2025.101746","url":null,"abstract":"<div><div>Electrochemical systems are considered key technologies for integrating directly with renewable energy sources. However, the development and industrial adoption of certain electrochemical systems are hindered by low efficiencies and current densities, particularly for the activation of inert chemical bonds. Plasma-electrochemical systems have emerged as a transformative approach to overcoming these challenges by decoupling the requirement for bond activation and reaction selectivity. This hybrid configuration allows plasma to drive the activation of strong chemical bonds, while the electrochemical interface controls product formation. As a result, activity and selectivity can be optimized independently, offering a significant advantage over conventional approaches. Plasma-electrochemical systems have been successfully applied in ammonia synthesis, CO<sub>2</sub> reduction, methane activation, and environmental pollutant remediation. This review discusses recent advancements in plasma-electrochemical experimental setups and key chemical mechanisms involved in various catalytic conversions.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"54 ","pages":"Article 101746"},"PeriodicalIF":6.9,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144921562","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}
Pub Date : 2025-08-05DOI: 10.1016/j.coelec.2025.101738
Ahmet Cetinkaya , S. Irem Kaya , Sibel A. Ozkan
Electrochemical biosensors are preferred in many areas due to their advantages, such as high sensitivity, miniaturization, low cost, and versatility. Early and accurate diagnosis of diseases is the primary step in preventing the spread and progression of the disease and in applying the proper treatment options, which is possible thanks to diagnostic biomarkers. In this context, electrochemical biosensors are practical and effective tools for rapidly and reliably determining biomarkers. Many studies are in the literature due to the versatility of electrochemical biosensors and the ability to improve performance through integration with fields such as nanotechnology and molecular imprinting technology. This short review highlights the most recent and interesting studies on this subject and provides insight into future developments.
{"title":"Biomedical field applications of electrochemical biosensors as diagnostic tools: A short review","authors":"Ahmet Cetinkaya , S. Irem Kaya , Sibel A. Ozkan","doi":"10.1016/j.coelec.2025.101738","DOIUrl":"10.1016/j.coelec.2025.101738","url":null,"abstract":"<div><div>Electrochemical biosensors are preferred in many areas due to their advantages, such as high sensitivity, miniaturization, low cost, and versatility. Early and accurate diagnosis of diseases is the primary step in preventing the spread and progression of the disease and in applying the proper treatment options, which is possible thanks to diagnostic biomarkers. In this context, electrochemical biosensors are practical and effective tools for rapidly and reliably determining biomarkers. Many studies are in the literature due to the versatility of electrochemical biosensors and the ability to improve performance through integration with fields such as nanotechnology and molecular imprinting technology. This short review highlights the most recent and interesting studies on this subject and provides insight into future developments.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"53 ","pages":"Article 101738"},"PeriodicalIF":6.9,"publicationDate":"2025-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144863195","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}
Pub Date : 2025-07-25DOI: 10.1016/j.coelec.2025.101737
Tathagata Bhattacharjya , Martin–Alex Nalepa , Ivan Dědek , Petr Jakubec , David Panáček , Michal Otyepka
Non-communicable diseases, including cancer, cardiovascular diseases, diabetes, and neurological disorders, represent a growing global health challenge, driving an urgent need for rapid, sensitive, and affordable diagnostic technologies. Graphene-based materials, with their exceptional physicochemical properties, offer transformative potential for the development of next-generation electrochemical biosensors. This review highlights recent advancements in the use of graphene derivatives (such as reduced graphene oxide, graphene quantum dots, laser-induced graphene, and covalently functionalized graphene) for the electrochemical detection of key biomarkers associated with major non-communicable diseases. We critically analyze strategies for enhancing biosensor performance, discuss innovations in biomarker recognition and real-sample validation, and underscore emerging trends toward wearable, minimally invasive platforms. Particular emphasis is placed on the challenges of selectivity, stability, and clinical translation, as well as on the need for reproducible material synthesis and device standardization. By bridging material science with biomedical applications, graphene-based biosensors are poised to enable earlier diagnosis, continuous monitoring, and improved management of non-communicable diseases, ultimately contributing to the advancement of global healthcare.
{"title":"Recent advances in graphene-based electrochemical biosensors for major non-communicable diseases","authors":"Tathagata Bhattacharjya , Martin–Alex Nalepa , Ivan Dědek , Petr Jakubec , David Panáček , Michal Otyepka","doi":"10.1016/j.coelec.2025.101737","DOIUrl":"10.1016/j.coelec.2025.101737","url":null,"abstract":"<div><div>Non-communicable diseases, including cancer, cardiovascular diseases, diabetes, and neurological disorders, represent a growing global health challenge, driving an urgent need for rapid, sensitive, and affordable diagnostic technologies. Graphene-based materials, with their exceptional physicochemical properties, offer transformative potential for the development of next-generation electrochemical biosensors. This review highlights recent advancements in the use of graphene derivatives (such as reduced graphene oxide, graphene quantum dots, laser-induced graphene, and covalently functionalized graphene) for the electrochemical detection of key biomarkers associated with major non-communicable diseases. We critically analyze strategies for enhancing biosensor performance, discuss innovations in biomarker recognition and real-sample validation, and underscore emerging trends toward wearable, minimally invasive platforms. Particular emphasis is placed on the challenges of selectivity, stability, and clinical translation, as well as on the need for reproducible material synthesis and device standardization. By bridging material science with biomedical applications, graphene-based biosensors are poised to enable earlier diagnosis, continuous monitoring, and improved management of non-communicable diseases, ultimately contributing to the advancement of global healthcare.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"53 ","pages":"Article 101737"},"PeriodicalIF":6.9,"publicationDate":"2025-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144829523","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}
Pub Date : 2025-07-25DOI: 10.1016/j.coelec.2025.101736
Arzum Erdem, Huseyin Senturk, Cengiz Altınsoy
Electrochemical impedance spectroscopy (EIS)-based aptasensors combine the high selectivity of aptamers as biorecognition elements with the label-free, sensitive, and noninvasive measurement capabilities of EIS. Owing to these features, they have recently attracted considerable attention, offering a wide range of applications from the early diagnosis of numerous biomarkers in the field of healthcare to food safety and environmental analysis. In this review, the fundamental principles of impedimetric aptasensors are discussed, and studies published over the last two years in the fields of health, food, and environment are comprehensively examined. In this context, recent original research on the development of aptasensors for the detection of various analytes including cancer biomarkers, viral and bacterial pathogens, mycotoxins, antibiotic residues, hormones, and heavy metals has been analyzed in detail. Moreover, recent findings supporting the applicability of these aptasensors in complex biological (e.g. serum, plasma, saliva, urine), food (e.g. milk, fruit juice, cereal products), and environmental (e.g. wastewater, river water) sample matrices have been summarized. Additionally, key application-oriented challenges such as optimization of surface chemistry for aptamer immobilization, minimization of matrix effects, sensor surface stability, repeatability/reproducibility, multiplex detection, and integration into portable platforms have been thoroughly discussed. Furthermore, innovative solutions that could facilitate the transition of this technology into clinical and field applications, as well as future perspectives regarding commercialization, have been presented. In this regard, it is emphasized that impedimetric aptasensors possess strong potential not only at the laboratory scale but also as powerful tools for real-world diagnostic and monitoring applications.
{"title":"Impedimetric aptasensors: Emerging tools for sensitive detection in health, food, and environmental monitoring","authors":"Arzum Erdem, Huseyin Senturk, Cengiz Altınsoy","doi":"10.1016/j.coelec.2025.101736","DOIUrl":"10.1016/j.coelec.2025.101736","url":null,"abstract":"<div><div>Electrochemical impedance spectroscopy (EIS)-based aptasensors combine the high selectivity of aptamers as biorecognition elements with the label-free, sensitive, and noninvasive measurement capabilities of EIS. Owing to these features, they have recently attracted considerable attention, offering a wide range of applications from the early diagnosis of numerous biomarkers in the field of healthcare to food safety and environmental analysis. In this review, the fundamental principles of impedimetric aptasensors are discussed, and studies published over the last two years in the fields of health, food, and environment are comprehensively examined. In this context, recent original research on the development of aptasensors for the detection of various analytes including cancer biomarkers, viral and bacterial pathogens, mycotoxins, antibiotic residues, hormones, and heavy metals has been analyzed in detail. Moreover, recent findings supporting the applicability of these aptasensors in complex biological (e.g. serum, plasma, saliva, urine), food (e.g. milk, fruit juice, cereal products), and environmental (e.g. wastewater, river water) sample matrices have been summarized. Additionally, key application-oriented challenges such as optimization of surface chemistry for aptamer immobilization, minimization of matrix effects, sensor surface stability, repeatability/reproducibility, multiplex detection, and integration into portable platforms have been thoroughly discussed. Furthermore, innovative solutions that could facilitate the transition of this technology into clinical and field applications, as well as future perspectives regarding commercialization, have been presented. In this regard, it is emphasized that impedimetric aptasensors possess strong potential not only at the laboratory scale but also as powerful tools for real-world diagnostic and monitoring applications.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"53 ","pages":"Article 101736"},"PeriodicalIF":6.9,"publicationDate":"2025-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144863194","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}
Pub Date : 2025-07-22DOI: 10.1016/j.coelec.2025.101732
Glen McClea , Laura Titheridge , Steven Matthews , Aaron T. Marshall
Conventional industrial alkaline water electrolysis electrodes made using plasma spray deposition are unable to produce and sustain the demanding performance requirements needed to achieve economic targets. State-of-the-art lab-scale alkaline electrolysis configurations can achieve these higher performances; however, given their complex electrode architecture and production methods, often suffer from practical limitations regarding scale-up. Proven and trusted by industry, plasma spraying offers a pragmatic and cost-effective method for fabricating these next-generation electrodes at scale. This review explores the most recent advances in plasma-sprayed electrode development, covering its use to form both the active catalyst layer and the porous transport layer. We also highlight how these findings can be transferred to benefit the development of other industrial process electrodes. This review aims to provide pathways for future research, showing how novel lab-scale electrodes can be replicated at scale, with the latest in plasma-spray technology.
{"title":"Next-generation plasma-sprayed electrodes for water electrolysis and beyond: Recent advances and future directions","authors":"Glen McClea , Laura Titheridge , Steven Matthews , Aaron T. Marshall","doi":"10.1016/j.coelec.2025.101732","DOIUrl":"10.1016/j.coelec.2025.101732","url":null,"abstract":"<div><div>Conventional industrial alkaline water electrolysis electrodes made using plasma spray deposition are unable to produce and sustain the demanding performance requirements needed to achieve economic targets. State-of-the-art lab-scale alkaline electrolysis configurations can achieve these higher performances; however, given their complex electrode architecture and production methods, often suffer from practical limitations regarding scale-up. Proven and trusted by industry, plasma spraying offers a pragmatic and cost-effective method for fabricating these next-generation electrodes at scale. This review explores the most recent advances in plasma-sprayed electrode development, covering its use to form both the active catalyst layer and the porous transport layer. We also highlight how these findings can be transferred to benefit the development of other industrial process electrodes. This review aims to provide pathways for future research, showing how novel lab-scale electrodes can be replicated at scale, with the latest in plasma-spray technology.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"53 ","pages":"Article 101732"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144828230","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}
Pub Date : 2025-07-19DOI: 10.1016/j.coelec.2025.101731
Yuesheng Zhang, Haoxiang Bai, Yuhang Wang
CO2 capture plays a pivotal role in global carbon emission management, strongly impacting the economic feasibility of downstream carbon utilization and storage. Electrochemical CO2 capture provides a platform for efficiently removing CO2 from the atmosphere and industrial flue gases. When operating based on the pH-swing mechanism, the process can be highly O2-tolerant and adapted to both small-scale facilities and large industrial plants. In recent years, efforts have been therefore made to improve the efficiency of pH-swing electrochemical CO2 capture. This Review summarizes high-performance pH-swing CO2 capture reactors and highlights the recent advances and remaining challenges. It provides an overview of the system's working principles and performance metrics, along with an outlook on paths to low costs, high durability, and scale-up development. This paper aims to capture insights that can develop pH-swing electrochemical CO2 capture into a key component of future carbon management strategies.
{"title":"Reactor designs for pH-swing electrochemical CO2 capture","authors":"Yuesheng Zhang, Haoxiang Bai, Yuhang Wang","doi":"10.1016/j.coelec.2025.101731","DOIUrl":"10.1016/j.coelec.2025.101731","url":null,"abstract":"<div><div>CO<sub>2</sub> capture plays a pivotal role in global carbon emission management, strongly impacting the economic feasibility of downstream carbon utilization and storage. Electrochemical CO<sub>2</sub> capture provides a platform for efficiently removing CO<sub>2</sub> from the atmosphere and industrial flue gases. When operating based on the pH-swing mechanism, the process can be highly O<sub>2</sub>-tolerant and adapted to both small-scale facilities and large industrial plants. In recent years, efforts have been therefore made to improve the efficiency of pH-swing electrochemical CO<sub>2</sub> capture. This Review summarizes high-performance pH-swing CO<sub>2</sub> capture reactors and highlights the recent advances and remaining challenges. It provides an overview of the system's working principles and performance metrics, along with an outlook on paths to low costs, high durability, and scale-up development. This paper aims to capture insights that can develop pH-swing electrochemical CO<sub>2</sub> capture into a key component of future carbon management strategies.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"53 ","pages":"Article 101731"},"PeriodicalIF":6.9,"publicationDate":"2025-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144780047","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}
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