J. Li, Chong Tang, Li Chen, Tengfei Zhang, Xinqi Liang, Yifa Sheng, Xinhui Xia, Yongqi Zhang, Jun Liu
{"title":"Plasma-engineered sandwich-structured N-doped carbon@TiNb <sub>2</sub> O <sub>7</sub> with vertical graphene skeletons for ultrahigh-rate and long-cycling lithium storage","authors":"J. Li, Chong Tang, Li Chen, Tengfei Zhang, Xinqi Liang, Yifa Sheng, Xinhui Xia, Yongqi Zhang, Jun Liu","doi":"10.20517/energymater.2025.122","DOIUrl":"https://doi.org/10.20517/energymater.2025.122","url":null,"abstract":"The rapid expansion and booming development of the lithium-ion battery market have raised escalating concerns over safety issues. Titanium niobium oxide (TiNb2O7, TNO) is a highly promising, safe anode material due to its intercalation reaction mechanism and high operating potential. However, its intrinsic low electronic conductivity severely hinders practical implementation. To address this, we developed a plasma-assisted interfacial engineering strategy to fabricate self-supported sandwich-structured N-doped carbon (N-C)@TNO composites. This unique “conductive skeleton || active core || protective shell” architecture comprises: (1) vertical graphene (VG) arrays acting as three-dimensional charge highways, (2) TNO nanoparticles (30-60 nm) serving as redox-active centers, and (3) uniform N-C shells (~3 nm). The synergistic coupling between the VG skeleton and the N-C coating establishes an all-around conductive network. The optimized N-C@TNO anode delivers exceptional rate capability (300.1 mAh g-1 at 0.2 C and 214.4 mAh g-1 at 40 C) and ultralong cycling stability (95.38% capacity retention after 5,000 cycles at 20 C), outperforming most reported TNO-based anodes. This work presents a novel concept for designing high-power storage electrodes, particularly multistage composite structures.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147331205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Enhancing the activity and stability of RuO<sub>2</sub>-based catalyst <i>via</i> nano-confinement effect for O<sub>2</sub> evolution reaction in acid electrolyte","authors":"Shu‐kai Liu, Huang Tan, Gaole Dai, Shiyun Xiong, Yu Zhao, Benxia Li","doi":"10.20517/energymater.2025.97","DOIUrl":"https://doi.org/10.20517/energymater.2025.97","url":null,"abstract":"The oxygen evolution reaction (OER), as a pivotal process in electrochemical water splitting, directly determines energy conversion efficiency. Ruthenium (Ru)-based catalysts have gained considerable attention in recent years due to their decent intrinsic activity in acidic media. Previous studies have demonstrated that while Ru exhibits superior OER activity compared to RuO2 in acidic environments, its operational stability remains markedly inferior. This performance dichotomy, coupled with the persistent challenges of active species dissolution and catalyst particle aggregation during prolonged operation, significantly hinders their practical implementation in electrochemical systems. To address these challenges, this study develops a carbon nanotube (CNT)/Fe-Ni@RuO2@PANI-350 composite catalyst composed of RuO2 nanoparticles supported on bimetallic Fe-Ni modified CNTs (CNT/Fe-Ni) and encapsulated with polyaniline (PANI). This catalyst utilizes the anchoring effect of bimetallic Fe-Ni sites and the spatial confinement effect of PANI coating layer, effectively inhibiting the dissolution and agglomeration of RuO2 during both high-temperature processing and electrochemical operation, thereby significantly enhancing electrochemical stability. The anchoring strength of RuO2 nanoparticles on CNT/Fe-Ni support via the nano-confinement effect, as well as the microscopic mechanisms underlying the performance enhancement, are revealed by density functional theory calculations and experimental characterizations. The composite catalyst demonstrates fascinating OER performance in 0.5 M H2SO4, exhibiting a low Tafel slope of 39.1 mV dec-1 as well as low overpotentials of 188 and 225 mV at current densities of 10 and 100 mA cm-2, respectively. Remarkably, the composite catalyst demonstrates significantly enhanced stability, exhibiting only ~30 mV overpotential increase during 150 h continuous operation at 10 mA cm-2. This study highlights a simple yet effective nano-confinement strategy to address the challenges of Ru-based catalysts, and provides a practical paradigm for designing and preparing highly efficient OER electrocatalysts with enhanced stability.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/published/article/1b737f4e67a1b46079588701cb9b8c8d/em5097.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147331286","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}
Wan Rong, Kang Huang, Longlong Dong, Jiuyang Xia, Rui Dang, Yunfei Chen, Jianfei Liu, Qigao Cao, Bowei Zhang, Junsheng Wu
{"title":"Anion-rich Ir-doped CoO<sub>x</sub> for boosting oxygen evolution reaction in water electrolysis","authors":"Wan Rong, Kang Huang, Longlong Dong, Jiuyang Xia, Rui Dang, Yunfei Chen, Jianfei Liu, Qigao Cao, Bowei Zhang, Junsheng Wu","doi":"10.20517/energymater.2025.21","DOIUrl":"https://doi.org/10.20517/energymater.2025.21","url":null,"abstract":"Owing to the sluggish kinetics of oxygen evolution reaction (OER) in electrochemical water electrolysis process, efficient and durable OER electrocatalysts are crucially needed. However, it is a great challenge to improve the comprehensive performance of OER electrocatalysts by utilizing various synergistic methodologies. To solve these issues, herein, Ir-doped Co-based compounds with regulated anions were synthesized using a coprecipitation method as the electrodes for boosting the OERs. Doping with Ir atoms modified the coordination environments and electronic structures of the CoOx-CO32- lattice, and the generated Co3+ species promoted the generation of active species for the OER. It is worthwhile noting that a hybrid crystalline/amorphous IrCoOx-CO32- compound was obtained with an Ir content of 10.09 wt.% and a large amount of Co3+, and demonstrated excellent electrocatalytic OER performance. The overpotential required for the developed IrCoOx-CO32- to achieve 10 mA cm-2 was as low as 207 mV with a very low Tafel slope of 61.7 mV dec-1, which is better than the commercial IrO2. Furthermore, anions created in the IrCoOx significantly promoted the OER, and their effects were decreased in the order of CO32- > PO43- > OH-. This work clarifies the synergistic mechanism of cations and anions on the electrocatalytic OER performance of Co-based compounds, providing new insights for designs of high-performance OER electrocatalysts for water electrolysis.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147333243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Design of a polymer electrolyte membrane for enhanced zinc anode stability in reversible aqueous zinc-ion batteries","authors":"Qi Deng, Weibin Zhou, Hongrui Wang, Qiang Ma, Changzhu Li, Xiongwei Wu, Yuping Wu","doi":"10.20517/energymater.2024.299","DOIUrl":"https://doi.org/10.20517/energymater.2024.299","url":null,"abstract":"Aqueous zinc-ion batteries (ZIBs) hold great promise for energy storage applications. Nevertheless, the realization of high-capacity ZIBs with extended cycle durability remains a significant scientific challenge, predominantly attributed to two inherent limitations: the uncontrollable dendritic growth and concomitant side reactions. In this study, we present a polymer electrolyte membrane denoted as TAC, which addresses these challenges by enhancing the uniform distribution of zinc ions. By incorporating phenolic hydroxyl groups from tannic acid (TA) onto the surface of cellulose fibers, TAC is synthesized, which not only effectively shields both the front and back surfaces of the zinc anode from corrosive effects of the liquid electrolyte, but also exhibits a high liquid-retention capacity under pressures up to 5 MPa. Combining density functional theory simulations with experimental investigations, we demonstrate that the phenolic hydroxyl groups from TA actively engage with zinc ions, thereby significantly reducing the desolvation energy during the plating/stripping processes of the zinc anode. The assembled battery utilizing 1% TAC achieves remarkable performance, retaining 83.1% of its discharge capacity after 1,000 cycles at a current density of 5 C. Moreover, it exhibits high reversibility, high coulombic efficiency of 99.9%, and an impressive lifespan exceeding 2,300 h at 0.5 mA cm-2. Furthermore, 1% TAC demonstrates excellent cycling stability across four different electrolyte systems [ZnSO4, Zn(CF3SO3)2, Zn(OAc)2, and ZnCl2], highlighting its outstanding compatibility across diverse electrolyte compositions. The exceptional performance of the assembled batteries underscores the efficacy of our design, offering a novel strategy for the development and fabrication of polymer electrolyte membranes tailored for aqueous ZIBs.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/da72d6e7-9d7f-4904-abd8-e292f04381db/em40299.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147331801","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}
Jifei Liu, Yongzhi Wan, Kefeng Wang, Kai Wang, Wanjun Sun, Jianfeng Dai, Zengpeng Li, Feitian Ran
{"title":"Constructing an enhanced charge-mass transfer passage for silicon anodes to achieve increased capacity under high-rate conditions","authors":"Jifei Liu, Yongzhi Wan, Kefeng Wang, Kai Wang, Wanjun Sun, Jianfeng Dai, Zengpeng Li, Feitian Ran","doi":"10.20517/energymater.2024.308","DOIUrl":"https://doi.org/10.20517/energymater.2024.308","url":null,"abstract":"Silicon (Si) holds promise as an anode material for next-generation lithium-ion batteries due to its high theoretical capacity. However, practical applications are impeded by structural damage from volume expansion. Here, we designed a novel Si/CNFs/C anode by integrating mesoporous Si particles, carbon nanofibers (CNFs), and carbon quantum dots into a three-dimensional (3D) architecture via a one-step magnesiothermic reduction process. This design significantly enhances both electron and ion conductivity, alleviates the volume expansion of Si particles, and ensures mechanical stability during battery operation. Consequently, batteries with the Si/CNFs/C anode exhibit a reversible capacity of 1,172.4 mAh g-1 after 200 cycles at 0.1 A g-1 and maintain 1,107.7 mAh g-1 after 1,000 cycles at 1 A g-1. Notably, after 1,000 cycles at a high current density of 1 A g-1, the capacity remains nearly comparable to that after 100 cycles at 0.1 A g-1, attributed to significant pseudocapacitive characteristics that facilitate high performance under elevated current densities. Furthermore, we employed distribution of relaxation times analysis alongside other electrochemical techniques to investigate changes in ion transport pathways and the evolving role of Si in the energy storage process. Our design and analysis provide valuable insights for optimizing 3D conductive architectures and understanding the dynamic electrochemical mechanisms of Si-based anodes, advancing the development of high-performance lithium-ion batteries.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/09463f1c-8c4f-4696-8157-eb079a34e0cb/em40308.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147333082","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}
{"title":"Zwitterionic gemini additive as interface engineers for long-life aqueous Zn/TEMPO flow batteries with enhanced areal capacity","authors":"Feiyang Hu, Zhiwen Cui, Zhen Dong, Liyuan Jiang, Nwaji Njemuwa Njoku, Wenjun Dong, Hao Fan, Mahalingam Ravivarma, Jianbao Wu, Duanyang Kong, Jiangxuan Song","doi":"10.20517/energymater.2024.161","DOIUrl":"https://doi.org/10.20517/energymater.2024.161","url":null,"abstract":"Aqueous Zn-based flow batteries often face issues such as poor reversibility and short lifespan due to irregular Zn deposition and detrimental side reactions. To address these challenges, we developed a zwitterionic gemini additive, N,N′-bis(3-propanesulfonic acid)-3,3′-bipyridinium (SPr-Bpy), to enhance Zn plating/stripping behavior and optimize the Zn2+ solvation structure. The dual sulfonate groups influence the Zn2+ solvation shell and anchor SPr-Bpy to the Zn surface through multi-site interactions. Additionally, the bipyridinium structure forms an electrostatic shielding layer, suppressing excessive Zn2+ accumulation, promoting uniform Zn deposition, and thus mitigating dendrite formation and hydrogen evolution. Consequently, the Zn||Zn symmetric cells exhibit an impressive lifespan of 250 h, while the Zn||Cu asymmetric cells achieve a high average Coulombic efficiency of 99.8% over 450 cycles. Moreover, SPr-Bpy significantly improves Zn/TEMPO flow battery performance, achieving a high areal capacity of 24.4 mAh cm-2 with an exceptional capacity retention of 99.992%/cycle over 500 cycles.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/eeaee96d-7221-47be-84e7-57a8a9ea8d7a/em40161.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147332880","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}
{"title":"MOF-derived rose-like carbon-coated Ni-Co phosphide with phosphorus vacancies to enhance hydroxide-ion storage in hybrid supercapacitors","authors":"Honghong Cheng, Zhibiao Cui, Weijie Zheng, Dong Shu, Cong Liu, Yanjun Zeng, Junrong Zheng, Jiayin Cui, Keyi Chen, Tao Meng","doi":"10.20517/energymater.2024.142","DOIUrl":"https://doi.org/10.20517/energymater.2024.142","url":null,"abstract":"The low structural stability and sluggish charge-transfer kinetics of transition metal phosphides (TMPs) hinder their application in hybrid supercapacitors. The realization of advanced OH- storage critically depends on the delicate TMP designs, particularly their chemical composition and structure. Herein, a synergistic engineering approach based on metal-organic framework (MOF)-derived C-coated bimetallic phosphides and P vacancies (Pv) was proposed. Using a Ni-Co-based MOF, a one-step high-temperature carbonization and phosphidation method was employed as the precursor to prepare a rose-like Ni1-xCoxP composite (Ni1-xCoₓP@NC), comprising a N-doped carbon (NC) coating and Pv. Physical characterization and theoretical calculations indicated that the open structure with porous Ni1-xCoxP@NC nanosheets originating from high-temperature pyrolysis of Ni-Co-based MOF provides abundant redox-active sites, and the NC layer offers excellent mechanical support for persistent electron/OH- transfer. The bimetallic phosphides, surface Pv, and NC coating synergistically enhance the electrical conductivity of TMPs, reduce the energy barriers for OH- adsorption, and accelerate charge-transfer kinetics. The prepared Ni1-xCoxP @NC electrode possessing an open architecture exhibits a high specific capacitance (2,108 F g-1 at 1 A g-1) and excellent rate capability (1,710 F g-1 at 10 A g-1). Furthermore, the assembled active carbon//Ni1-xCoxP P@NC hybrid supercapacitor demonstrates an energy density of 37.7 Wh kg-1 at a power density of 750 W kg-1. Our study presents a promising strategy for modifying TMP electrodes to realize efficient and stable OH- storage in hybrid supercapacitors.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/8277a053-9a42-4074-89f4-1e3135e3a7ec/em40142.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147333060","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}
Yin Cai, Tao Yi, Jie Ding, Fuhua Li, Rongsheng Chen, Tao Ma, Feng Liang
{"title":"Composition-regulated lattice strain of PdSn/C for boosting C1 pathway in ethanol electrooxidation","authors":"Yin Cai, Tao Yi, Jie Ding, Fuhua Li, Rongsheng Chen, Tao Ma, Feng Liang","doi":"10.20517/energymater.2024.91","DOIUrl":"https://doi.org/10.20517/energymater.2024.91","url":null,"abstract":"The rational design of Pd-based catalysts to enhance their applications in ethanol oxidation reaction (EOR) presents both exciting opportunities and significant challenges. Herein, a series of carbon-supported PdSn nanoparticle catalysts (PdSn/C-X, X = 0.1, 0.5, 1, 2) with tunable lattice strains were synthesized using a facile method at room temperature and applied to the EOR. Our findings demonstrate that the activity and stability of EOR can be modulated by manipulating the lattice strain in Pd-based catalysts. Remarkably, PdSn/C-1 exhibits an excellent mass current density of 8,452.3 mA/mgPd, which is higher than that of most Pd-based catalysts, along with great stability, maintaining a mass activity of 573.9 mA/mgPd after 5,000 s. By combining structural analysis, in situ spectral characterization, and theoretical calculation, we elucidate that the optimal tensile strain adjusted by Sn composition in PdSn/C optimizes the free energy of the key intermediate (*CH2CO) during EOR, thereby favoring the C1 pathway and enhancing catalytic activity. This study demonstrates that by controlling the composition, the lattice strain can be altered to improve catalytic performance of Pd-based catalysts in EOR.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/7a0250c0-0870-459c-8522-04aea227a8bd/em4091.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147332074","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}
Yulin Xie, Qingyun Dou, Guosheng Li, Yuecong Chen, Xingbin Yan
{"title":"Regulating the solvation environment of hybrid electrolytes towards high-temperature zinc-ion storage","authors":"Yulin Xie, Qingyun Dou, Guosheng Li, Yuecong Chen, Xingbin Yan","doi":"10.20517/energymater.2024.183","DOIUrl":"https://doi.org/10.20517/energymater.2024.183","url":null,"abstract":"Zinc-ion batteries (ZIBs) are being explored as a potential alternative to lithium-ion batteries owing to the growing demand for safer, more sustainable, cost-effective energy storage technologies. In such systems, electrolytes, as one of the key components, have a decisive impact on their electrochemical performance. However, Zn anodes in traditional aqueous electrolytes exhibit drawbacks such as severe hydrogen evolution reactions, Zn corrosion and passivation especially at high temperatures, leading to poor cycling performance of ZIBs. Herein, we designed and evaluated a series of hybrid electrolytes consisting of zinc tetrafluoroborate hydrate [Zn(BF4)2·xH2O] as the solute and various organic solvents [tetraglyme (G4), propylene carbonate, and dimethylformamide] for high-temperature ZIBs. Comparative analysis revealed that G4-based hybrid electrolytes exhibit a unique Zn2+ solvation structure primarily surrounded by organic solvent rather than H2O, which substantially reduces H2O-related side reactions and thus promotes more reversible Zn deposition than propylene carbonate-based and dimethylformamide-based hybrid electrolytes. The superiority of G4-based hybrid electrolyte is further confirmed by long stable cycling life of the corresponding Zn||Zn symmetric cell (> 350 h) and Zn-ion capacitor full cell (over 1,400 cycles with 90.7% capacity retention) at 60 °C.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/eeac64d3-8371-4dd5-9c0e-3d3ee59bb1ed/40183.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147333251","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}
{"title":"High-entropy nitrides from dual entropic and enthalpic forces for high-efficiency oxygen evolution reaction","authors":"Jingyun Jiang, Yifan Xu, Zheng Wang, Hongbo Zhang, Qun Xu, Yuan‐Jian Li","doi":"10.20517/energymater.2024.130","DOIUrl":"https://doi.org/10.20517/energymater.2024.130","url":null,"abstract":"The development of high-entropy materials as active and durable catalysts for oxygen evolution reaction is important but challenging for hydrogen production from water electrolysis. In contrast to conventional synthesis strategies that usually involve high-temperature annealing, a novel poly(ethylene glycol)-barbituric acid deep eutectic solvent-assisted strategy was developed in this work to successfully synthesize high-entropy nitrides (HENs) (FeCoNiCuZn)N at a record low temperature of 473 K. Multiple analytical characterizations illustrate that dual entropic and enthalpic forces provided by the poly(ethylene glycol)-barbituric acid deep eutectic solvent play a critical role in the low-temperature synthesis of HENs. The prepared HENs have a microsphere structure consisting of five highly dispersed active metal (Fe, Co, Ni, Cu, and Zn) species, which are conducive to boosting oxygen evolution reaction performance in alkaline media, in terms of a low overpotential of 223 mV at 10 mA cm-2 and sustained durability over 30 h at 400 mA cm-2. This work paves the way for the fabrication of high-entropy materials with excellent electrocatalytic properties for future energy conversion and storage applications.","PeriodicalId":21863,"journal":{"name":"Solar Energy Materials","volume":"5 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://f.oaes.cc/xmlpdf/34d0ab80-a333-43f1-9e3a-1fe373c96bb1/em40130.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147330875","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}