Advanced Energy and Sustainability Research最新文献

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Enhancing Plastic Decomposition in Mealworms (Tenebrio molitor): The Role of Nutritional Amino Acids and Water 促进粉虫体内塑料分解:营养氨基酸和水的作用
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-23 DOI: 10.1002/aesr.202400378
Xinbo Wang, Ruoxin Du, Felipe Nunes Henriquez, Hongming Liu, Sze Yung Chan, Chi Man Leong, Matthew Y. Lui
{"title":"Enhancing Plastic Decomposition in Mealworms (Tenebrio molitor): The Role of Nutritional Amino Acids and Water","authors":"Xinbo Wang,&nbsp;Ruoxin Du,&nbsp;Felipe Nunes Henriquez,&nbsp;Hongming Liu,&nbsp;Sze Yung Chan,&nbsp;Chi Man Leong,&nbsp;Matthew Y. Lui","doi":"10.1002/aesr.202400378","DOIUrl":"10.1002/aesr.202400378","url":null,"abstract":"<p>Certain insects, such as mealworms (<i>Tenebrio molitor</i>), have shown the ability to effectively biodecompose plastic waste under environmentally benign conditions. However, sustaining this biodecomposition within insect populations presents challenges, as high mortality rates and relatively slow decomposition rates limit the viability of large-scale plastic recycling. To enhance the process, protein-rich nutritional additives are usually necessary. Despite this, there has been little guidance on selecting suitable nutrients for plastic-eating insects like mealworms. In this systematic investigation, aqueous solutions of representative nonessential amino acids (NEAAs) and essential amino acids (EAAs) are used and compared as additives for the biodecomposition of polystyrene by mealworms. The study demonstrates that the essentiality and abundance of amino acids in mealworms significantly impact the rate of plastic biodecomposition. High-abundance EAAs, such as phenylalanine (Phe) and valine (Val), provide the most notable rate enhancements, while low-abundance NEAAs, such as cysteine (Cys), do not enhance the rate. The results also indicate that both water and individual free amino acid solutions effectively reduce cannibalistic behavior among mealworms, while enhancing their nutritional value. These findings provide a more rational basis for selecting cofeeds to improve this biodecomposition process.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 6","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400378","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Environmental Emission and Climate Change Impact of Hydrogen Fuel Derived from Photocatalysis Water-Splitting Reaction 光催化水裂解氢燃料对环境排放和气候变化的影响
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-23 DOI: 10.1002/aesr.202400337
Chloe Nelson, Meei Mei Gui, Peter K. J. Robertson
{"title":"The Environmental Emission and Climate Change Impact of Hydrogen Fuel Derived from Photocatalysis Water-Splitting Reaction","authors":"Chloe Nelson,&nbsp;Meei Mei Gui,&nbsp;Peter K. J. Robertson","doi":"10.1002/aesr.202400337","DOIUrl":"10.1002/aesr.202400337","url":null,"abstract":"<p>\u0000Hydrogen fuel is widely received as the most promising clean fuel to substitute fossil fuel in power grid, home heating, and automotive industry to achieve net-zero target. Photocatalysis hydrogen route, which fulfills the Gibbs free energy of water-splitting reaction with solar energy, has been a promising approach to produce green hydrogen. However, there are limited study on the environmental performance of this hydrogen evolution process, particularly the potential emission of the photocatalyst synthesis process. In this work, the environmental emission of photocatalytic hydrogen evolution process is investigated through life cycle analysis (LCA) based on a pilot scale reaction system. The individual processing steps with its corresponding material flows that contributed significantly to environmental emission are identified from the LCA simulation. Excessive use of sacrificial reagent in the photocatalysis reaction has been identified as one of the main contributors to the environmental emission of this reaction system. The results observed can be feedback to the process design and improvisation of such photocatalysis reaction system to help improvise the existing technology for better environmental potential for upscale production to meet the ever-rising demand on hydrogen fuel.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 5","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400337","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143909568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent Advances and Strategies for Co-Based Catalysts in Ammonia Decomposition for Hydrogen Production 氨分解制氢co基催化剂的研究进展与对策
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-19 DOI: 10.1002/aesr.202400406
Sujin Kim, Young Woo Kim, Iljun Chung, Chaeeun Lim, Kijung Yong, Yongju Yun
{"title":"Recent Advances and Strategies for Co-Based Catalysts in Ammonia Decomposition for Hydrogen Production","authors":"Sujin Kim,&nbsp;Young Woo Kim,&nbsp;Iljun Chung,&nbsp;Chaeeun Lim,&nbsp;Kijung Yong,&nbsp;Yongju Yun","doi":"10.1002/aesr.202400406","DOIUrl":"10.1002/aesr.202400406","url":null,"abstract":"<p>\u0000Hydrogen has been proposed as a clean energy source to replace fossil fuels. The hydrogen economy encompasses the production, storage, transport, and use of hydrogen. Among the various potential hydrogen carriers, ammonia is considered an efficient and economical option due to its established infrastructure for production, storage, and transport. In this ammonia value chain, ammonia decomposition enables the efficient and sustainable production of carbon-free hydrogen. Recently, Co has gained attention as an active metal for thermal ammonia decomposition due to its excellent catalytic performance and cost-effectiveness. This review presents current developments in supported and unsupported Co-based catalysts for ammonia decomposition. Key strategies to enhance the hydrogen formation rate include optimizing the Co precursor and synthesis methods, incorporating a second active metal and promoters, tuning the physical properties of the catalyst, and doping heteroatoms into the support. Practical considerations for the preparation of Co-based catalysts are also outlined. This review provides valuable insights into the development of advanced Co-based catalysts for ammonia decomposition, with the aim of guiding future research toward highly efficient, cost-effective, and scalable hydrogen production solutions.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 7","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400406","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144589632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of Cellulose-Polyaniline Blends as Electrolytes of Lithium-Ion Battery 纤维素-聚苯胺共混物在锂离子电池电解质中的应用
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-19 DOI: 10.1002/aesr.202500021
Seyedeh-Arefeh Safavi-Mirmahalleh, Mehdi Salami-Kalajahi
{"title":"Application of Cellulose-Polyaniline Blends as Electrolytes of Lithium-Ion Battery","authors":"Seyedeh-Arefeh Safavi-Mirmahalleh,&nbsp;Mehdi Salami-Kalajahi","doi":"10.1002/aesr.202500021","DOIUrl":"https://doi.org/10.1002/aesr.202500021","url":null,"abstract":"<p>Natural polymers offer several benefits as battery components, such as wide availability, biodegradability, non-leakage, stability in solid form, ease of processing, electrochemical stability, and low production costs. On the contrary, conductive polymers can enhance the battery's electrochemical performance, improving factors like energy storage capacity, cycling stability, and charge/discharge rates. Thus, combining these two types of materials can yield desirable properties. In this research, thin polymer films are produced based on cellulose using the solution casting method. Polyaniline (PANI) is then mixed with cellulose in various weight ratios. The electrochemical characteristics of the prepared electrolytes are analyzed, revealing that the addition of PANI increases ionic conductivity through creating voids and benefiting from the conductive polymers’ high dielectric constant. The prepared electrolytes demonstrate impressive ionic conductivity (≈10<sup>−3</sup> S cm<sup>−1</sup> upon incorporating PANI), remarkable discharge capacity, consistent cycling stability, outstanding electrochemical performance with a stability window exceeding 4.5 V, and a good Li<sup>+</sup> transference number spanning from 0.44 to 0.76.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 10","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://advanced.onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202500021","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145237339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Recent Progress on Upgrading of Furfural and Derivatives into Green Transport Fuels and Precursors via CC Coupling Reactions 糠醛及其衍生物通过C - γ - C偶联反应转化为绿色运输燃料和前驱体的研究进展
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-16 DOI: 10.1002/aesr.202400369
Errol D. Saluta, Mahlet N. Gebresillase, Jeong Gil Seo
{"title":"A Recent Progress on Upgrading of Furfural and Derivatives into Green Transport Fuels and Precursors via CC Coupling Reactions","authors":"Errol D. Saluta,&nbsp;Mahlet N. Gebresillase,&nbsp;Jeong Gil Seo","doi":"10.1002/aesr.202400369","DOIUrl":"10.1002/aesr.202400369","url":null,"abstract":"<p>The conversion of lignocellulosic biomass into fuel precursors offers a promising and environmentally friendly alternative to conventional fuel production, which often poses risks and contributes to carbon emissions. Furfural stands out in this context due to its high value and reactivity, presenting opportunities to enhance sustainable fuel production. With increasing demand for fuel precursors in aviation and road transportation, recent research has focused on C<span></span>C coupling reactions, notably aldol condensation and hydroxyalkylation–alkylation (HAA), to transform furfural and 2-methylfuran into fuel-range alkanes. This review summarizes recent advancements in these reactions, particularly those involving furfural and 2-methylfuran derived from furfural hydrogenation. By exploring the potential and limitations of these processes, this review aims to provide insights into their role in cleaner, more efficient fuel production. Additionally, as technology progresses, it is crucial to highlight emerging innovations in furfural and 2-methylfuran coupling reactions, which could redefine energy production by offering cleaner and less energy-intensive solutions. This review will discuss these technologies, paving the way for future research and development in the quest for sustainable energy alternatives.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 7","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400369","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144589919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent Progress on Redox Materials for High-Temperature Thermochemical Heat Storage 高温热化学储热用氧化还原材料研究进展
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-16 DOI: 10.1002/aesr.202400317
Alfonso J. Carrillo, José Manuel Serra
{"title":"Recent Progress on Redox Materials for High-Temperature Thermochemical Heat Storage","authors":"Alfonso J. Carrillo,&nbsp;José Manuel Serra","doi":"10.1002/aesr.202400317","DOIUrl":"10.1002/aesr.202400317","url":null,"abstract":"<p>Thermal energy storage based on gas–solid reversible chemical reactions offers higher-energy storage densities than commercially implemented sensible heat-storage systems. Despite the promise, it is a much less mature technology, and several aspects still require further improvement. Among the wide variety of reversible thermochemical reactions that show potential for thermal energy storage, reduction–oxidation reactions of metal oxides are promising since air can be employed as reactant without the need of costly pressurized storage units. In this perspective, the fundamental aspects of metal oxides for redox thermochemical heat storage are explored, paying special attention to the latest developments that will assure high energy-storage density and multicycle stability. The design of more efficient redox materials remains a key aspect in thermochemical heat storage; however, the development of high-temperature reactors and their implementation in concentrated solar power plants also plays an important role in the advancement of this technology. All these interrelated elements together with techno-economic assessments, a paramount tool in terms of materials choice, are also discussed.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 4","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400317","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spin-Selective Catalysts for Oxygen-Involved Electrocatalysis 含氧电催化的自旋选择性催化剂
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-16 DOI: 10.1002/aesr.202400326
Haifan Li, Quan Quan, Chun-Yuen Wong, Johnny C. Ho
{"title":"Spin-Selective Catalysts for Oxygen-Involved Electrocatalysis","authors":"Haifan Li,&nbsp;Quan Quan,&nbsp;Chun-Yuen Wong,&nbsp;Johnny C. Ho","doi":"10.1002/aesr.202400326","DOIUrl":"10.1002/aesr.202400326","url":null,"abstract":"<p>\u0000The sluggish kinetics of oxygen-involved electrolysis, such as oxygen evolution reaction (OER) and oxygen reduction reaction (ORR), hinders the efficiency of the pertaining energy conversion process, which can be promoted by using spin-selective materials to align the spin direction of oxygen-involved intermediates. This review delivers a thorough and timely overview of state-of-the-art spin-selective catalysts for OER and ORR. Primarily, the fundamental principle of spin-selective process is depicted by the spin-sensitive reaction pathways, pointing out that the existence of spin-polarized adsorption sites is necessary for the development of spin-selective catalysts. Subsequently, approaches for investigating the spin-related transition during electrocatalysis are introduced by reviewing in situ technologies and theoretical calculations. Then, the reported spin-selective catalysts are categorized into intrinsic spin-polarized materials, doping-induced spin-polarized materials, and multiple magnetic composites to discuss their application in electrocatalytic OER and ORR as well as their mechanism of spin polarization. Finally, the open questions and prospects in this field are concluded, aiming to offer a clear route for designing novel and highly-efficient spin-polarized materials for industrial oxygen-involved electrocatalysis.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 5","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400326","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143909513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gelatin–Organic Acid-Based Biodegradable Batteries for Stretchable Electronics 用于可拉伸电子产品的明胶-有机酸基可生物降解电池
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-16 DOI: 10.1002/aesr.202400402
Junzhi Liu, Gregory Lazaris, Jinhyuk Lee, Sharmistha Bhadra
{"title":"Gelatin–Organic Acid-Based Biodegradable Batteries for Stretchable Electronics","authors":"Junzhi Liu,&nbsp;Gregory Lazaris,&nbsp;Jinhyuk Lee,&nbsp;Sharmistha Bhadra","doi":"10.1002/aesr.202400402","DOIUrl":"10.1002/aesr.202400402","url":null,"abstract":"<p>\u0000As the environmental pollution caused by electronic products becomes increasingly severe, the development and application of biodegradable batteries have become more important. Traditional biodegradable batteries are limited by low power output, low capacity, and lack of flexibility and stretchability, restricting their range of applications. Herein, a biodegradable battery made from magnesium–molybdenum electrodes and gelatin-organic acid electrolytes such as lactic acid (LA)–gelatin (gel) and the citric acid (CA)–gelatin (gel) is proposed. The addition of organic acids to the gelatin increases the ionic conductivity of the electrolyte and promotes its reaction with the magnesium electrode, effectively enhancing battery performance. In the experimental results, it is shown that the LA–gel-based electrolyte achieves a maximum conductivity of 2.37 × 10<sup>−</sup><sup>3</sup> S cm<sup>−</sup><sup>1</sup>, while the CA–gel-based electrolyte demonstrates a low activation energy of 11.04 kJ mol<sup>−</sup><sup>1</sup>. The highest open-circuit voltage recorded for the CA–gel-based electrolyte with the Mg anode and Mo cathode is 1.92 V, and the related plateau voltage is around 1.3 V. The maximum power and maximum capacity achieved by the Mg-based battery are 76.8 μW and 1.36 mAh cm<sup>−</sup><sup>2</sup>, respectively, at 40 μA cm<sup>−</sup><sup>2</sup> for LA–gel battery. Moreover, the battery can be stretched to 80% strain while maintaining stable capacity.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 8","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400402","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144782398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temporal and Spatial Trends of CO2 Emissions and the Emission Reduction Paths of Countries along the Silk Road Economic Belt from 1960 to 2060 1960 - 2060年丝绸之路经济带沿线国家CO2排放时空趋势及减排路径
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-16 DOI: 10.1002/aesr.202400298
Wen Li, Qiting Zuo, Jiahang Guo, Long Jiang, Zhizhuo Zhang
{"title":"Temporal and Spatial Trends of CO2 Emissions and the Emission Reduction Paths of Countries along the Silk Road Economic Belt from 1960 to 2060","authors":"Wen Li,&nbsp;Qiting Zuo,&nbsp;Jiahang Guo,&nbsp;Long Jiang,&nbsp;Zhizhuo Zhang","doi":"10.1002/aesr.202400298","DOIUrl":"10.1002/aesr.202400298","url":null,"abstract":"<p>Reducing CO<sub>2</sub> emissions is essential for sustainable development but faces challenges like politics, resources, technology, markets, and energy structure. This study uses UN and World Bank data from 1960 to 2020 to analyze CO<sub>2</sub> emissions trends and factors in 50 belt and road (B&amp;R) countries. Methods include fitting techniques, decoupling theory, and spatial autocorrelation analysis. The data are assessed using fitting methods, decoupling theory, and spatial autocorrelation analysis. The CO<sub>2</sub> emissions of countries in southeast and central Asia show a fluctuating upward trend, whereas a slow downward trend is shown in eastern and southern Europe. The epicenter of CO<sub>2</sub> emissions in B&amp;R began to shift to the southeast in the 1990s, but it has remained consistently in the northwest of B&amp;R geometric center. Key B&amp;R emission factors are population density, urban population, and hydroelectric power. To reduce B&amp;R emissions, three recommendations are proposed: 1) to establish a B&amp;R alliance and promote the development of low-carbon industries in B&amp;R; 2) to realize coordinated development of the upstream and downstream communities in the B&amp;R industrial chain; and 3) countries in the B&amp;R region shall foster the development and utilization of clean energy while focusing on stable economic development.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 4","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202400298","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unraveling the Electrical, Dielectric, and Electrocatalytic Properties of Bimetallic Cobalt-Based Metal–Organic Frameworks 揭示双金属钴基金属有机骨架的电学、介电和电催化性能
IF 5.7
Advanced Energy and Sustainability Research Pub Date : 2025-02-14 DOI: 10.1002/aesr.202300301
Manjeet Godara, Silvia Chowdhury, Ping Cheng, Ruijing Xin, Brian Yuliarto, Yusuke Yamauchi, Yusuf Valentino Kaneti, Nirat Ray
{"title":"Unraveling the Electrical, Dielectric, and Electrocatalytic Properties of Bimetallic Cobalt-Based Metal–Organic Frameworks","authors":"Manjeet Godara,&nbsp;Silvia Chowdhury,&nbsp;Ping Cheng,&nbsp;Ruijing Xin,&nbsp;Brian Yuliarto,&nbsp;Yusuke Yamauchi,&nbsp;Yusuf Valentino Kaneti,&nbsp;Nirat Ray","doi":"10.1002/aesr.202300301","DOIUrl":"10.1002/aesr.202300301","url":null,"abstract":"<p>Bimetallic metal–organic frameworks (MOFs) offer unique synergistic properties and improved conductivity due to the integration of multiple metal components. However, their electrical and dielectric properties remain underexplored, and their charge transport mechanisms are not fully understood. This study investigates the electrical and dielectric properties of Mn-BTC (BTC = benzene-1,3,5-tricarboxylic acid), Co-BTC, and bimetallic Mn–Co BTC MOFs with varying Mn/Co ratios. Charge transport in these MOFs occurs via hopping at low frequencies, transitioning to lattice response at higher frequencies. While Mn incorporation typically reduces alternating current (AC) conductivity, the 1:2 Mn:Co MOF exhibits a unique conduction mechanism, enhancing AC conductivity by 25%. As electrocatalysts for oxygen evolution reaction (OER), the 1:2 Mn:Co MOF outperforms Mn-BTC, Co-BTC, and other Mn-Co BTC variants, achieving a lower overpotential (359 mV) and Tafel slope (71 mV dec<sup>−1</sup>). The correlation between AC conductivity and electrocatalytic performance underscores the critical role of electrical properties in MOF functionality. This study highlights the potential of tailoring the electrical properties of bimetallic MOFs to optimize their electrocatalytic performance, offering valuable insights for future catalyst design.</p>","PeriodicalId":29794,"journal":{"name":"Advanced Energy and Sustainability Research","volume":"6 4","pages":""},"PeriodicalIF":5.7,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aesr.202300301","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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