EcoEnergy Pub Date : 2024-11-22 DOI: 10.1002/ece2.79

Yuqing Cheng, Yibo wang, Zhaoping Shi, Hongxiang Wu, Jiahao Yang, Jing Ni, Ming Yang, Ziang Wang, Meiling Xiao, Changpeng Liu, Wei Xing

{"title":"Recent progress in advanced design of iridium-based and ruthenium-based perovskite catalysts for acidic oxygen evolution reaction","authors":"Yuqing Cheng, Yibo wang, Zhaoping Shi, Hongxiang Wu, Jiahao Yang, Jing Ni, Ming Yang, Ziang Wang, Meiling Xiao, Changpeng Liu, Wei Xing","doi":"10.1002/ece2.79","DOIUrl":"https://doi.org/10.1002/ece2.79","url":null,"abstract":"<p>Proton exchange membrane water electrolyzer (PEMWE) is of great importance for the production of green hydrogen. The large-scale implementation of PEMWE, however, is seriously impeded by the sluggish oxygen evolution reaction (OER) at the anode, which results in considerable overpotential and thus the decreased energy conversion efficiency. To overcome this problem, researchers have extensively explored efficient anode catalysts that possess high activity and prolonged stability. Up to now, Ir-based and Ru-based catalysts are considered to be the most efficient candidates. Especially perovskite-based catalysts have received intensive attention due to their distinctive structures and exceptional OER catalytic performance. To further promote their practical application, considerable research efforts are devoted to structural engineering toward enhanced activity and stability. In this paper, a review of the research progress on the advanced design of Ir- and Ru-based perovskite catalysts is presented, with a focus on phase engineering, doping/substitution, morphology control, and compositing with other materials for perovskite catalysts as well as some preparation methods commonly used. It also summarizes the challenges and opportunities concerning perovskite-based catalysts in current research, yielding further comprehension of the pertinent preparation and scrutiny of perovskite catalysts in the future.</p>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"131-155"},"PeriodicalIF":0.0,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.79","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143689438","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 and prospects of interface engineering in energy storage and conversion of graphdiyne-based materials

EcoEnergy Pub Date : 2024-11-16 DOI: 10.1002/ece2.76

Juan An, Haohao Zhang, Yijie Wang, Zhen Kong, Wensi Li, Xing Gao, Jibin Song, Yancai Yao

{"title":"Application and prospects of interface engineering in energy storage and conversion of graphdiyne-based materials","authors":"Juan An, Haohao Zhang, Yijie Wang, Zhen Kong, Wensi Li, Xing Gao, Jibin Song, Yancai Yao","doi":"10.1002/ece2.76","DOIUrl":"https://doi.org/10.1002/ece2.76","url":null,"abstract":"<p>A new carbon allotrope, graphdiyne (GDY) has great promise for future use. Much interest was piqued when it was initially prepared in 2010. GDY is made up of <i>sp-</i> and <i>sp</i><sup>2</sup>-hybridized carbon atoms. It has a one-atom thick two-dimensional structure and many interesting and useful qualities, such as strong chemical bonds, super-large π structures, the ability to change from an alkyne to an alkene, and can be grown on any surface. GDY has become one of the frontier hotspots in chemistry and materials science, with original research achievements in energy conversion and storage, catalysis, intelligent information, life sciences constantly emerging and so on, showing revolutionary performance. In electrochemical cells, the electrode interface content not only accounts for a small proportion in the entire electrode system but it also plays a crucial role, affecting the efficiency, lifespan, power performance, and safety performance of the battery. In view of this, the intrinsic properties of GDY have been thoroughly analyzed, and a new GDY-based electrochemical interface has been proposed by combining the key problems of electrochemical interfaces in electrochemical energy storage and conversion. This has led to new understanding and insights to address many critical scientific issues. In this review, the structure, characteristics, and applications of GDY in interface engineering are presented. In particular, recent advances in GDY and its aggregates in energy storage and conversion are summarized and discussed.</p>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"77-104"},"PeriodicalIF":0.0,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.76","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688676","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

Fast polysulfides conversion and regulated lithium plating enabled by W2N quantum dots for high-performance lithium sulfur batteries

EcoEnergy Pub Date : 2024-11-14 DOI: 10.1002/ece2.80

Linfeng He, Zhuyu Luo, Ping Liu, Xin Zhu, Wenbo Fan, Qi Yu, Xiaoyan Liu, Hexing Li

{"title":"Fast polysulfides conversion and regulated lithium plating enabled by W2N quantum dots for high-performance lithium sulfur batteries","authors":"Linfeng He, Zhuyu Luo, Ping Liu, Xin Zhu, Wenbo Fan, Qi Yu, Xiaoyan Liu, Hexing Li","doi":"10.1002/ece2.80","DOIUrl":"https://doi.org/10.1002/ece2.80","url":null,"abstract":"<p>Lithium sulfur (Li-S) batteries have been regarded as one of the most promising next-generation batteries. However, the shuttle effect caused by solubility and sluggish kinetics of polysulfides on the cathode and the uneven deposition of lithium on the anode hindered its practical application seriously. Herein, we designed W<sub>2</sub>N quantum dots (QW<sub>2</sub>N) embedded in mesoporous carbon microspheres (MC) as catalyst (QW<sub>2</sub>N/MC) modified on both sides of the separator. The ultrafine QW<sub>2</sub>N associated with nitrogen vacancies provide abundant active sites to adsorb the polysulfides and induce the fast in situ conversion, which highly prevent the shuttle effect. Meanwhile, the QW<sub>2</sub>N/MC layer on the anode side regulated the uniform deposition of lithium due to the good affinity with lithium ions. In long-term performance evaluations, the Li-S batteries achieved a reversible discharge capacity of 685.4 mAh g<sup>−1</sup> after 600 cycles at 1 C with a decay rate as low as 0.07% per cycle. When the sulfur loading was increased to about 7.44 mg cm<sup>−2</sup>, it still maintained a high areal capacity of 5.97 mAh cm<sup>−2</sup>. This study showed a novel strategy to accelerate the polysulfides conversion and regulate uniform lithium deposition simultaneously by introducing QW<sub>2</sub>N modified separators, showing great potential in constructing high-performance Li-S batteries.</p>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"192-201"},"PeriodicalIF":0.0,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.80","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688943","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

Interface triboelectricity

EcoEnergy Pub Date : 2024-11-09 DOI: 10.1002/ece2.78

Jing You, Jiajia Shao, Yahua He, Bobo Sun, Khay Wai See, Zhong Lin Wang, Xiaolin Wang

{"title":"Interface triboelectricity","authors":"Jing You, Jiajia Shao, Yahua He, Bobo Sun, Khay Wai See, Zhong Lin Wang, Xiaolin Wang","doi":"10.1002/ece2.78","DOIUrl":"https://doi.org/10.1002/ece2.78","url":null,"abstract":"<p>The exploration of triboelectricity at the liquid–solid (L-S) interface has sparked significant interest due to its potential for sustainable energy harvesting and technological advancement. Motivated by the need for innovative energy solutions and the unique advantages offered by liquid-based environments, a comprehensive review of the fundamental concepts, mechanisms, and applications of liquid–solid triboelectric nanogenerators (TENGs) is provided. Three basic working modes of liquid–solid TENGs and the distinct properties and mechanisms of each model are discussed systematically. The physical fundamental of liquid–solid TENGs is further investigated, which includes “Wang Transition”, Wang's Hybrid Electric Double Layer model, tribovoltaic effect, equivalent circuit model, and the mechanisms of liquid–solid contact electrification based on density functional theory. Understanding charge transfer and charge distribution at the liquid–solid interface is also crucial to confirm the underlying mechanisms of liquid–solid TENGs. Finally, a broad range of applications of liquid–solid TENGs are explored, emphasizing their potential in addressing energy challenges and complex interdisciplinary issues that link the disciplines of materials science, chemistry, physics, and even electrical engineering.</p>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"105-130"},"PeriodicalIF":0.0,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.78","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688706","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

An eco-friendly Na-ion battery utilizing biowaste-derived carbon and birnessite with enhanced high voltage reaction

EcoEnergy Pub Date : 2024-11-01 DOI: 10.1002/ece2.77

Gregorio F. Ortiz, Ruqin Ma, Mingzeng Luo, Li Yixiao, He Zhanning, Yu Su, Jiale Huang, Yong Yang, Zhanhua Wei

{"title":"An eco-friendly Na-ion battery utilizing biowaste-derived carbon and birnessite with enhanced high voltage reaction","authors":"Gregorio F. Ortiz, Ruqin Ma, Mingzeng Luo, Li Yixiao, He Zhanning, Yu Su, Jiale Huang, Yong Yang, Zhanhua Wei","doi":"10.1002/ece2.77","DOIUrl":"https://doi.org/10.1002/ece2.77","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <p>Trigonal birnessite (Na<sub>0.5</sub>MnO<sub>2</sub>·0.7H<sub>2</sub>O) with quasi-hexagonal-stacked particles is synthesized by a simple procedure. The MnO<sub>6</sub> layers are expanded (ca. 7.1 Å as confirmed by HRTEM) by sodium ion and water molecules permitting the cyclability of the cathode up to 4.4 V without anionic redox effect. This particular phase exhibits sodium storage performance with 181.2 mA h g<sup>−1</sup> reversible capacity, high Coulombic efficiency (99.8%), good rate performance (20–640 mA g<sup>−1</sup>), and 80% capacity retention over 200 cycles. X-ray adsorption near-edge structure (XANES) spectra at Mn-k edge confirmed that the main redox component is Mn<sup>3+</sup>/Mn<sup>4+</sup>. An environmental-friendly Na-ion full cell is assembled with this cathode and biowaste-derived carbon (obtained from trash of lemon peels) anode and provided ∼ 330 Wh kg<sup>−1</sup> energy density (at the material's level) which is preserved at ∼71% over 200 cycles. Manganese, sodium, and carbon are cheap and eco-friendly materials for practical energy storage eagerly sought after in the industry.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"180-191"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.77","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688692","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

Progress on Si-based photoelectrodes for industrial production of green hydrogen by solar-driven water splitting

EcoEnergy Pub Date : 2024-10-29 DOI: 10.1002/ece2.73

Shuyang Peng, Di Liu, Haoyun Bai, Chunfa Liu, Jinxian Feng, Keyu An, Lulu Qiao, Kin Ho Lo, Hui Pan

{"title":"Progress on Si-based photoelectrodes for industrial production of green hydrogen by solar-driven water splitting","authors":"Shuyang Peng, Di Liu, Haoyun Bai, Chunfa Liu, Jinxian Feng, Keyu An, Lulu Qiao, Kin Ho Lo, Hui Pan","doi":"10.1002/ece2.73","DOIUrl":"https://doi.org/10.1002/ece2.73","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <p>Solar power has been regarded as the ultimate green-energy source because of its inexhaustibility and eco-friendliness. The solar-driven water-splitting technology for green hydrogen production is considered to be one of effective ways for solar energy harvesting and storage, which may provide solutions for the energy crisis and environmental issues. In the past decades, great progress has been achieved in this area. Photoelectrochemical (PEC) water splitting is especially promising for the production of solar fuels because of expected large-scale industrial application. Silicon (Si), as an ideal candidate for the photoelectrode, is the most suitable material for the PEC device in industrial photocatalytic water splitting because of its abundance, mature fabrication technology, and suitable band gap. Here, we give a systematic review on the recent progress for Si-based photoelectrodes for water splitting with a focus on the industrial application. Particularly, the strategies, such as band-alignment control, morphology design, and surface engineering, are summarized to enhance the PEC performance and durability for practical application. Furthermore, the perspective for the design of commercial Si-based PEC devices with high PEC performance, long-term stability, large-size, and low cost are given at the end, which shall guide the development of PEC water splitting for industrial application.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"25-55"},"PeriodicalIF":0.0,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.73","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143689682","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

Review on polymer electrolytes for lithium-sulfurized polyacrylonitrile batteries

EcoEnergy Pub Date : 2024-10-25 DOI: 10.1002/ece2.74

Yan Zhang, Su Wang, Chen Li, Zhaokun Wang, Yue Ma, Xixi Shi, Hongzhou Zhang, Dawei Song, Lianqi Zhang

{"title":"Review on polymer electrolytes for lithium-sulfurized polyacrylonitrile batteries","authors":"Yan Zhang, Su Wang, Chen Li, Zhaokun Wang, Yue Ma, Xixi Shi, Hongzhou Zhang, Dawei Song, Lianqi Zhang","doi":"10.1002/ece2.74","DOIUrl":"https://doi.org/10.1002/ece2.74","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <p>Lithium-sulfur (Li-S) batteries are deemed as the next generation of energy storage devices due to high theoretical specific capacity (1675 mAh g<sup>−1</sup>) and energy density (2600 Wh kg<sup>−1</sup>). However, the commercial application has always been constrained by lithium polysulfide (LiPSs) shuttling effects and still has a long way to go. Sulfurized polyacrylonitrile (SPAN) is a promising alternative candidate to replace traditional sulfur cathode and is conducive to eliminating LiPSs by realizing “solid-solid” direct conversion in conventional carbonate electrolytes. However, an over 25% irreversible capacity loss is exhibited inevitably in the first discharge process, the inherent structure of SPAN and the related reaction mechanism remain unclear. In this review, the structure characteristics and electrochemical behaviors of SPAN are summarized for better interpreting current knowledge and favoring the design of high performance materials. In the past few decades, many problems in traditional Li-S batteries have been solved by improving electrolytes. Polymer electrolytes (PEs) have been widely used due to structural designability, multi-functionality, exceptional chemical stability, and excellent processability. Surprisingly, the relevant researches on PEs compatible with SPAN remains limited currently. Therefore, the recent modification strategies of gel polymer electrolytes and solid polymer electrolytes in Li-SPAN batteries are introduced in terms of Li<sup>+</sup> transfer and interface engineering, the design principles are concluded, the specific challenges encountered by polymer-based electrolytes are summarized and the instructive directions for future research on PEs are demonstrated, facilitating the commercialization of Li-SPAN batteries.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"56-76"},"PeriodicalIF":0.0,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.74","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690012","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

An ultrastable luminescent covalent organic polymer for selective Pd2+ detection in strong acid

EcoEnergy Pub Date : 2024-10-25 DOI: 10.1002/ece2.75

Yaoyao Bai, Huangjie Lu, Min Lei, Jie Qiu, Jian Lin

{"title":"An ultrastable luminescent covalent organic polymer for selective Pd2+ detection in strong acid","authors":"Yaoyao Bai, Huangjie Lu, Min Lei, Jie Qiu, Jian Lin","doi":"10.1002/ece2.75","DOIUrl":"https://doi.org/10.1002/ece2.75","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <p>The low natural abundance of palladium (10 ppb) in the Earth's crust highlights its considerable potential as a valuable resource, especially given that spent nuclear fuel contains approximately 1–2 kg of Pd per ton. However, the detection and separation of Pd<sup>2+</sup> from high-level liquid waste (HLLW) present significant challenges due to high acidity (2–5 M HNO<sub>3</sub>) and intense radiation conditions inherent in spent fuel reprocessing. We present a cyano-olefin-linked covalent organic polymer (COP-TnPp) that exhibits remarkable stability in strong acidic environments and resilience to radiation. Thanks to its olefin linkage, which facilitates π-electron conjugation, COP-TnPp exhibits strong luminescence, whose intensity remains stable across a range of 1–5 M nitric acid solutions. Pd<sup>2+</sup> ions can effectively quench the fluorescence of COP-TnPp in 1 and 5 M HNO<sub>3</sub> solutions with detection limits of 0.37 and 0.63 μM, respectively. Additionally, COP-TnPp demonstrates exceptional selectivity for Pd<sup>2+</sup> ions, even amidst 22 other interfering ions in a simulated HLLW solution (5 M HNO<sub>3</sub>), with the detection limit remaining at 0.697 μM. This work not only marks an advancement in the development of materials for detecting Pd<sup>2+</sup> in extreme acidic conditions but also offers new insights into the detection of other radionuclides under similarly challenging environments.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"170-179"},"PeriodicalIF":0.0,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.75","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690013","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

Current trends in micro-supercapacitor devices

EcoEnergy Pub Date : 2024-10-16 DOI: 10.1002/ece2.71

Aparna Paul, Naresh Chandra Murmu, Tapas Kuila

{"title":"Current trends in micro-supercapacitor devices","authors":"Aparna Paul, Naresh Chandra Murmu, Tapas Kuila","doi":"10.1002/ece2.71","DOIUrl":"https://doi.org/10.1002/ece2.71","url":null,"abstract":"<p>Recently, efforts have been made to design miniaturized energy storage devices according to custom requirements. The application of micro-electronic equipment has increased significantly in information technology and biotechnology. Microelectromechanical systems, nanoelectromechanical systems, maintenance-free wireless sensor networks, implantable medical devices, micro-robots, and integrating energy conversion devices require micropower sources in small dimensions. Conventional supercapacitor devices cannot fulfill such high-power demand, but miniaturization within the microscale helps enhance the working efficiency due to the shortening of diffusion path length. Micro-supercapacitors (MSCs) in the micron to centimeter dimension range integrated with circuits and microelectronic components have gained great interest due to their high-power density, high-frequency response, and long cycling stability. Research on the design and fabrication of MSCs has progressed enormously. Integrating MSCs with other electronic units helps to achieve a highly efficient self-powered system. This review presents a critical summary of the recent progress of novel materials for MSCs, fabrication methods, advanced design, and challenges in the MSCs industry.</p>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"3-24"},"PeriodicalIF":0.0,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.71","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688677","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

High-efficiency solar selective absorber: Using the high-entropy nitride MoTaTiCrN nanoceramics as a perspective strategy

EcoEnergy Pub Date : 2024-10-16 DOI: 10.1002/ece2.70

Cheng-Yu He, Zhengtong Li, Peng Zhao, Hao-Cheng Jiang, Zhuo-Hao Zhou, Rui-Ting Gao, Pei-Qing La, Lei Wang, Xiang-Hu Gao

{"title":"High-efficiency solar selective absorber: Using the high-entropy nitride MoTaTiCrN nanoceramics as a perspective strategy","authors":"Cheng-Yu He, Zhengtong Li, Peng Zhao, Hao-Cheng Jiang, Zhuo-Hao Zhou, Rui-Ting Gao, Pei-Qing La, Lei Wang, Xiang-Hu Gao","doi":"10.1002/ece2.70","DOIUrl":"https://doi.org/10.1002/ece2.70","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <p>High-entropy materials have sparked significant interest in varied applications, particularly in solar-thermal technologies such as solar-driven desalination and concentrating solar power (CSP) systems. In this context, high-entropy nitrides, as novel solar selective absorbers (SSAs) materials, play a crucial role in these applications, demonstrating excellent spectral selectivity and strong thermal and chemical stability at high temperatures and in harsh environments. However, the underlying sunlight absorption mechanisms, atomic-level structures, and programmatic design route of these SSAs still need further investigation. Herein, a high-entropy alloy (MoTaTiCr) target was used to construct gradient high-entropy nitride films via magnetron sputtering in the nitrogen atmosphere. The atomic-level microstructure study revealed the crystal structure characteristics in the MoTaTiCrN layer. Computer simulations and density functional theory calculations aided in the design and understanding of the possible solar absorption mechanisms. The as-deposited SSA exhibited impressive optical properties (<i>α</i> = 95.2%; <i>ε</i> = 6.8%) and demonstrated excellent thermal robustness, maintaining performance after long-term annealing at 600°C for 300 h. Its photothermal conversion efficiency reached 87.9% at 600°C under 100 suns. As a proof-of-concept demonstration, the SSA, used in a solar-powered photothermal desalination unit, showed a high evaporation efficiency since the excellent optical performance as well as the thermal management.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100387,"journal":{"name":"EcoEnergy","volume":"3 1","pages":"156-169"},"PeriodicalIF":0.0,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece2.70","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688678","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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