Sustainable Energy & Fuels最新文献

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Cerium oxide-based electrolytes for low- and intermediate-temperature solid oxide fuel cells: state of the art, challenges and future prospects 低温和中温固体氧化物燃料电池用氧化铈基电解质:现状、挑战和未来展望
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-06-05 DOI: 10.1039/D5SE00526D
Paramvir Kaur and K. Singh
{"title":"Cerium oxide-based electrolytes for low- and intermediate-temperature solid oxide fuel cells: state of the art, challenges and future prospects","authors":"Paramvir Kaur and K. Singh","doi":"10.1039/D5SE00526D","DOIUrl":"https://doi.org/10.1039/D5SE00526D","url":null,"abstract":"<p >Solid oxide fuel cells (SOFCs) are important, efficient, and environmentally friendly energy conversion devices that also serve as solid oxide electrolysers, producing hydrogen and oxygen by reversing chemical reactions. Research and development of electrode and electrolyte materials is still very much needed for their efficient working in low (≤650 °C) and intermediate (650–850 °C) temperature regimes. The present article reviews undoped and doped ceria-based electrolytes in light of processing parameters such as synthesis methods, sintering time, temperature and different doping strategies. The article focuses primarily on the various factors that affect the conductivity of ceria-based electrolytes. Different approaches to enhance the conductivity and improve the cell parameters have also been discussed. Conclusion, challenges and direction for further research are also provided at the end of this article.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 15","pages":" 3981-3998"},"PeriodicalIF":5.0,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/se/d5se00526d?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144671937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
BiVO4/V2O5 heterostructures for durable and highly reversible calcium- and zinc-ion batteries† 用于耐用和高度可逆的钙和锌离子电池的BiVO4/V2O5异质结构
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-06-03 DOI: 10.1039/D5SE00400D
Danish Wazir, Souvik Naskar, Priya R. Sharmesh, Partha Ghosal and Melepurath Deepa
{"title":"BiVO4/V2O5 heterostructures for durable and highly reversible calcium- and zinc-ion batteries†","authors":"Danish Wazir, Souvik Naskar, Priya R. Sharmesh, Partha Ghosal and Melepurath Deepa","doi":"10.1039/D5SE00400D","DOIUrl":"https://doi.org/10.1039/D5SE00400D","url":null,"abstract":"<p >The potential of BiVO<small><sub>4</sub></small>/V<small><sub>2</sub></small>O<small><sub>5</sub></small> (BVO/VO) heterostructures for Ca<small><sup>2+</sup></small> and Zn<small><sup>2+</sup></small> ion storage is demonstrated. BVO micro-clusters and VO micro-platelets, characterized by large vacant voids and wide inter-layer spacings, enable facile Zn<small><sup>2+</sup></small> ion intercalation <em>via</em> a diffusion mechanism, owing to its small size and ease of de-solvation at the electrolyte/BVO/VO interface. A Zn-ion battery (ZIB) fabricated with the following architecture, BVO/VO/carbon nanotubes (CNTs)/Zn<small><sup>2+</sup></small>/Zn-activated carbon (AC), delivers an initial discharge capacity of ∼162 mA h g<small><sup>−1</sup></small> and retains nearly 100% of its original capacity after 100 cycles at 30 mA g<small><sup>−1</sup></small>. Accelerated cycling at 2 A g<small><sup>−1</sup></small> showed this ZIB to retain ∼82% of its initial capacity after 2500 cycles. The highly stable and reversible response is attributed to the formation of robust interphases at the cathode and anode that allow facile Zn<small><sup>2+</sup></small> ion diffusion and prevent any Zn-ion consuming decomposition reactions, as both the electrodes retain their structural integrity with cycling. In a similar vein, a Ca-ion battery (CIB) with a BVO/VO/CNTs/Ca<small><sup>2+</sup></small>/AC configuration provides an initial capacity of 120 mA h g<small><sup>−1</sup></small>, with 100% retention after 100 cycles. The large size of Ca<small><sup>2+</sup></small> ions and their large solvation shell inhibit direct intercalation into BVO/VO, allowing only surface faradaic reactions at the cathode/electrolyte interface and anion adsorption/desorption at the AC anode. The consistent storage capacity retained by the cell with cycling is attributed to the stability of the BVO/VO heterostructures and AC, which are largely unaffected by the back-and-forth movement of Ca<small><sup>2+</sup></small> ions during charge–discharge.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 14","pages":" 3954-3970"},"PeriodicalIF":5.0,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144573032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A liquid thermoelectric converter composed of acetone–water mixed solution with reduced solution resistance† 一种由丙酮-水混合溶液组成的液体热电转换器,降低了溶液电阻†
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-06-02 DOI: 10.1039/D5SE00463B
Haruka Yamada, Touya Aiba and Yutaka Moritomo
{"title":"A liquid thermoelectric converter composed of acetone–water mixed solution with reduced solution resistance†","authors":"Haruka Yamada, Touya Aiba and Yutaka Moritomo","doi":"10.1039/D5SE00463B","DOIUrl":"https://doi.org/10.1039/D5SE00463B","url":null,"abstract":"<p >The maximum power (<em>W</em><small><sub>max</sub></small>) per unit area of the electrode of a liquid thermoelectric converter (LTE) is determined by the electrochemical Seebeck coefficient <em>α</em> and device resistance <em>R</em> as <em>W</em><small><sub>max</sub></small> = <img>, where Δ<em>T</em> and <em>s</em> are the temperature difference between electrodes and electrode area, respectively. In an organic LTE containing Fe<small><sup>2+</sup></small>/Fe<small><sup>3+</sup></small>, <em>α</em> is much higher than that of the corresponding aqueous LTE even though <em>R</em> is higher. Here, we searched for pure and/or mixed organic solution with lower solution resistance <em>R</em><small><sub>s</sub></small> using viscosity <em>η</em> as a clue. We demonstrated that <em>W</em><small><sub>max</sub></small> of an LTE (electrode distance <em>d</em> is 10 mm) composed of acetone–H<small><sub>2</sub></small>O electrolyte is 31% higher than <em>W</em><small><sub>max</sub></small> of the corresponding aqueous LTE.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 14","pages":" 3927-3934"},"PeriodicalIF":5.0,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144573064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A high output triboelectric nanogenerator based on 2D boron nitride nanosheet–PVP composite ink and electrospun cellulose acetate nanofibers for kinetic energy harvesting and self-powered tactile sensing applications† 基于二维氮化硼纳米片- pvp复合油墨和静电纺醋酸纤维素纳米纤维的高输出摩擦电纳米发电机,用于动能收集和自供电触觉传感应用
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-05-30 DOI: 10.1039/D5SE00302D
Ainikulangara Sundaran Bhavya, Hasna M. Abdul Hakkeem, Saju Pillai, Achu Chandran and Kuzhichalil Peethambharan Surendran
{"title":"A high output triboelectric nanogenerator based on 2D boron nitride nanosheet–PVP composite ink and electrospun cellulose acetate nanofibers for kinetic energy harvesting and self-powered tactile sensing applications†","authors":"Ainikulangara Sundaran Bhavya, Hasna M. Abdul Hakkeem, Saju Pillai, Achu Chandran and Kuzhichalil Peethambharan Surendran","doi":"10.1039/D5SE00302D","DOIUrl":"https://doi.org/10.1039/D5SE00302D","url":null,"abstract":"<p >The development of intelligent systems integrated with high-sensitivity sensors is critical for next-generation electronic applications. Triboelectric nanogenerator (TENG)-based tactile sensors offer a promising solution by converting mechanical stimuli directly into electrical signals, making them ideal for wearable electronics, robotics, and prosthetics. In this work, we present a self-powered tactile sensor fabricated using two complementary triboelectric materials: screen-printed boron nitride nanosheet (BNNS) composite ink printed on a polymer substrate and electrospun cellulose acetate (ES-CA) nanofibers. Structural modification of the BN–PVP/ES-CA TENG resulted in a significantly enhanced performance, delivering an output voltage of 1200 V, a short-circuit current density of 1.2 mA m<small><sup>−2</sup></small>, and a power density of 1.4 W m<small><sup>−2</sup></small>. The sensor effectively detects low-magnitude forces even up to 0.05 N, exhibiting a sensitivity of 3.98 V N<small><sup>−1</sup></small> for forces &lt;2 N and 1.843 V N<small><sup>−1</sup></small> for forces between 2 and 10 N, demonstrating its potential in high-resolution tactile sensing for advanced robotic and prosthetic applications.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 13","pages":" 3731-3742"},"PeriodicalIF":5.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144367178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unassisted visible-light–driven NADH regeneration based on a dual-photoelectrode system† 基于双光电极系统的无辅助可见光驱动NADH再生[j]
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-05-30 DOI: 10.1039/D5SE00676G
Koya Kano, Masanobu Higashi and Yutaka Amao
{"title":"Unassisted visible-light–driven NADH regeneration based on a dual-photoelectrode system†","authors":"Koya Kano, Masanobu Higashi and Yutaka Amao","doi":"10.1039/D5SE00676G","DOIUrl":"https://doi.org/10.1039/D5SE00676G","url":null,"abstract":"<p >NADH regeneration is crucial for biocatalytic processes. One promising example is visible-light–driven NADH regeneration using water as an electron source. Here, we demonstrate for the first time, to the best of our knowledge, visible-light–driven electrochemical NADH regeneration using water as an electron source without the need for an external bias. This is achieved by combining an IrO<small><sub><em>x</em></sub></small>/TaON (or RhO<small><sub><em>x</em></sub></small>/TaON) photoanode, CdS/CuInS<small><sub>2</sub></small> photocathode and [Cp*Rh(bpy)(H<small><sub>2</sub></small>O)]<small><sup>2+</sup></small>, as a catalyst for regioselective reduction of NAD<small><sup>+</sup></small>. Furthermore, application of this system to the production of <small>L</small>-lactate from pyruvate using lactate dehydrogenase was attempted.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 14","pages":" 3791-3795"},"PeriodicalIF":5.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/se/d5se00676g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144572966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultra-high efficient lithium recovery via terephthalic acid from spent lithium-ion batteries† 利用对苯二甲酸从废锂离子电池中高效回收锂†
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-05-30 DOI: 10.1039/D5SE00547G
Jiahui Hou, Zexin Wang, Zifei Meng, Jinzhao Fu, Zeyi Yao, Wenting Jin, Xiaotu Ma, Zhenzhen Yang and Yan Wang
{"title":"Ultra-high efficient lithium recovery via terephthalic acid from spent lithium-ion batteries†","authors":"Jiahui Hou, Zexin Wang, Zifei Meng, Jinzhao Fu, Zeyi Yao, Wenting Jin, Xiaotu Ma, Zhenzhen Yang and Yan Wang","doi":"10.1039/D5SE00547G","DOIUrl":"https://doi.org/10.1039/D5SE00547G","url":null,"abstract":"<p >The recovery of lithium from spent lithium-ion batteries (LIBs) is a critical step in advancing sustainability within the battery industry. Traditional lithium extraction methods from end-of-life LIBs predominantly rely on chemical leaching techniques. However, these methods often involve the excessive use of acids, leading to substantial environmental concerns. Additionally, their non-selective nature can compromise the purity of the recovered lithium salt. To achieve battery-grade purity, further purification and recovery processes are necessary. In this study, we introduce a universal and eco-friendly process for lithium recovery, employing terephthalic acid to selectively extract lithium prior to the recycling of other valuable metals. This innovative method achieves lithium recovery rates exceeding 98.53% from layered oxide cathodes and 98.53% from lithium iron phosphate cathodes, delivering an exceptional purity level of 99.95%. By demonstrating applicability across a variety of cathode materials, this approach establishes a universal, sustainable and efficient solution for LIB recycling. The high-purity lithium extraction enabled by this process supports the comprehensive utilization of valuable resources, contributing significantly to the development of a circular economy for battery materials.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 14","pages":" 3862-3874"},"PeriodicalIF":5.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/se/d5se00547g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144573038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Harnessing evaporation: a mini review on advances in hydrovoltaic technology for green energy generation 利用蒸发:绿色能源发电的水力发电技术进展综述
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-05-30 DOI: 10.1039/D5SE00313J
Subramanian Rajalekshmi, Subham Kumar Subudhi, Fathima Thanveera Kalathingal and Alagarsamy Pandikumar
{"title":"Harnessing evaporation: a mini review on advances in hydrovoltaic technology for green energy generation","authors":"Subramanian Rajalekshmi, Subham Kumar Subudhi, Fathima Thanveera Kalathingal and Alagarsamy Pandikumar","doi":"10.1039/D5SE00313J","DOIUrl":"https://doi.org/10.1039/D5SE00313J","url":null,"abstract":"<p >The Earth offers a valuable clean energy source, with a considerable percentage of its solar energy captured through water bodies. Harnessing this potential, hydrovoltaic technology offers an innovative and sustainable approach to reduce the reliance on non-renewable energy sources by converting thermal energy into electrical energy through water evaporation. This environmentally friendly technology supports human prosperity and sustainable development. Recent advancements in energy harvesting from water evaporation have significantly enhanced the integration of renewable energy into self-powered systems. A broad range of materials, including carbon black, reduced graphene oxide, metal oxides, metal derivatives, and composites, have been engineered to meet the stringent prerequisites for energy production. This review systematically explores the diverse materials that have demonstrated efficacy in generating electricity <em>via</em> evaporation-induced mechanisms. Furthermore, we discuss the influence of variations in material and device design in amplifying the output voltage, highlighting their transformative potential. The applications of hydrovoltaic energy are spread across various domains, including energy storage, sensing technologies, and water desalination, and thus, the future perspectives on advancing hydrovoltaic technology are also provided, emphasizing its pivotal role in fostering sustainable energy solutions. This mini-review aims to inspire further innovation in this promising field, bridging the gap between renewable energy research and practical applications.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 13","pages":" 3577-3590"},"PeriodicalIF":5.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144367096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Infant diaper waste-derived multifunctional MoN-Ni3C@CFs for full water splitting at neutral and alkaline pH and solar-to-hydrogen conversion: a win–win combination† 婴儿纸尿裤废物衍生的多功能MoN-Ni3C@CFs在中性和碱性pH下进行充分的水分解和太阳能到氢气的转化:一个双赢的组合†
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-05-29 DOI: 10.1039/D5SE00112A
Jayaraman Jayabharathi, Thanikachalam Akshy, Dhanasingh Thiruvengadam, Ravichandran Nithiasri, Arokiadoss Davidrichetson and Mayakrishnan Raj kumar
{"title":"Infant diaper waste-derived multifunctional MoN-Ni3C@CFs for full water splitting at neutral and alkaline pH and solar-to-hydrogen conversion: a win–win combination†","authors":"Jayaraman Jayabharathi, Thanikachalam Akshy, Dhanasingh Thiruvengadam, Ravichandran Nithiasri, Arokiadoss Davidrichetson and Mayakrishnan Raj kumar","doi":"10.1039/D5SE00112A","DOIUrl":"https://doi.org/10.1039/D5SE00112A","url":null,"abstract":"<p >Molybdenum nitride-nickel carbide nanocarbon fibers (MoN-Ni<small><sub>3</sub></small>C@CFs) are efficient electrocatalysts for overall water splitting. These catalysts consist of MoN and Ni<small><sub>3</sub></small>C dispersed on a carbon support derived from infant-urinated disposable diapers, enabling sustained exposure of active sites and high matrix conductivity. The MoN-Ni<small><sub>3</sub></small>C@CFs synthesized from a simple win–win incineration strategy exhibited bifunctional active sites (OER/HER: 211/132 mV) for water dissociation as well as adsorption/desorption of intermediates. <em>Operando</em> electrochemical impedance spectroscopy (EIS) analysis revealed that MoN-Ni<small><sub>3</sub></small>C@CFs exhibit lower charge transfer resistance and enhanced kinetics compared to NiMoO<small><sub>4</sub></small>. This may be attributed to the etching of pore forming additives by CFs during the electrocatalytic process. The incorporation of CFs modified the surface area as well as the porosity of MoN-Ni<small><sub>3</sub></small>C@CFs, facilitating an electrocatalytic proton-decoupled electron transfer mechanism during OER. The improved activity was further supported by Bode analysis at various potentials. The temperature-dependent analysis indicated that the activated carbon in MoN-Ni<small><sub>3</sub></small>C@CFs decreased the activation energy (3.14 kJ mol<small><sup>−1</sup></small>) by three times, as compared to that of MoN-Ni<small><sub>3</sub></small>C@CFs (9.29 kJ mol<small><sup>−1</sup></small>). The high faradaic efficiency indicates excellent selectivity of MoN-Ni<small><sub>3</sub></small>C@CFs. The total cell and solar cell-driven electrolyzer MoN-Ni<small><sub>3</sub></small>C@CFs<small><sup>(+,–)</sup></small> exhibited exceptional overall water-splitting efficiency (1.56 V at 10 mA cm<small><sup>−2</sup></small>), establishing the suitability for practical applications. Furthermore, an alternative process with MoN-Ni<small><sub>3</sub></small>C@CFs was used to produce carbon-negative green H<small><sub>2</sub></small> and also used for value-added electrolysis, thereby exploiting economic benefits to convert waste into renewable resources. The CFs etching strategy, a new synthetically simple approach, can also be employed for pore augmentation to boost the catalytic performance.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 13","pages":" 3702-3720"},"PeriodicalIF":5.0,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144367166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Single-step solution plasma synthesis of bifunctional CoSn(OH)6–carbon composite electrocatalysts for oxygen evolution and oxygen reduction reactions† 单步溶液等离子体合成双功能CoSn(OH)6 -碳复合析氧和氧还原反应电催化剂
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-05-29 DOI: 10.1039/D5SE00370A
Sangwoo Chae, Akihito Shio, Taketo Imamura, Kouki Yamamoto, Yuna Fujiwara, Gasidit Panomsuwan and Takahiro Ishizaki
{"title":"Single-step solution plasma synthesis of bifunctional CoSn(OH)6–carbon composite electrocatalysts for oxygen evolution and oxygen reduction reactions†","authors":"Sangwoo Chae, Akihito Shio, Taketo Imamura, Kouki Yamamoto, Yuna Fujiwara, Gasidit Panomsuwan and Takahiro Ishizaki","doi":"10.1039/D5SE00370A","DOIUrl":"https://doi.org/10.1039/D5SE00370A","url":null,"abstract":"<p >Development of efficient bifunctional catalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is highly required for the application in rechargeable metal–air batteries. Many research groups continue to develop active materials that enhance ORR and/or OER, aiming to improve the electrocatalytic properties and durability of electrodes in metal–air batteries. Currently, the most commonly used materials for ORR/OER catalysts are precious metals, that need to be replaced by low-cost catalysts with comparable performance. We have successfully synthesized non-precious metal-based catalytic composite materials composed of perovskite hydroxide, CoSn(OH)<small><sub>6</sub></small> (CSO), and carbon materials <em>via</em> the solution plasma process (SPP). SPP realized the single step synthesis of carbon composite materials with the formation of CSO nanoparticles and provides excellent control over the nanostructure of the catalysts. The process can induce unique surface properties due to the plasma environment, potentially enhancing catalytic activity. The synthesized CSO and carbon composite catalysts exhibited promising catalytic properties for both ORR and OER. For ORR, the CSO and Ketjen Black (KB) composites, synthesized at pH 12, achieved the highest potential value at a current density of −3 mA cm<small><sup>−2</sup></small>. In OER, the same CSO and KB composite material synthesized at pH 12 reached the lowest potential value at a current density of 10 mA cm<small><sup>−2</sup></small>, surpassing the performance of RuO<small><sub>2</sub></small>. This study demonstrated the potential to customize and manufacture high-performance and low-cost bifunctional electrocatalysts for energy conversion systems by single-step synthesis, offering a sustainable materials alternative to commercialized precious metal-based electrocatalysts.</p>","PeriodicalId":104,"journal":{"name":"Sustainable Energy & Fuels","volume":" 14","pages":" 3875-3888"},"PeriodicalIF":5.0,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/se/d5se00370a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144573039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental study on hydrogen-rich fuel generation via ammonia decomposition using a structured catalytic reactor† 结构催化反应器氨分解制备富氢燃料的实验研究
IF 5 3区 材料科学
Sustainable Energy & Fuels Pub Date : 2025-05-28 DOI: 10.1039/D5SE00626K
Payam Shafie, Marie Mottoul, Alain DeChamplain and Julien Lepine
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