Advanced Energy Materials最新文献_第9页

Entropy-Mediated Nonporous Polymer Separator Unlocks Ultra-Wide Temperature Range (−70°C to 150°C) Lithium Metal Batteries 熵介导的无孔聚合物分离器解锁超宽温度范围（- 70°C至150°C）锂金属电池

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-19 DOI: 10.1002/aenm.71480

Yongqi Wang, Yaodong Huo, Chunkun Song, Duanduan Li, Qiyue Zhao, Tuotuo Ma, Yuliang Gao

{"title":"Entropy-Mediated Nonporous Polymer Separator Unlocks Ultra-Wide Temperature Range (−70°C to 150°C) Lithium Metal Batteries","authors":"Yongqi Wang, Yaodong Huo, Chunkun Song, Duanduan Li, Qiyue Zhao, Tuotuo Ma, Yuliang Gao","doi":"10.1002/aenm.71480","DOIUrl":"10.1002/aenm.71480","url":null,"abstract":"<div>\u0000 \u0000 The separator, as an indispensable component in batteries, has attracted extensive attention. Nevertheless, its poor temperature adaptability restricts the application of lithium (Li) metal batteries under extreme temperature scenarios. Herein, we develop a novel nonporous high-entropy separator (HES) based on a rationally designed high-entropy polymer, achieving for the first time, from the perspective of the separator, the long-term operation of Li metal batteries from −70 to 150°C. The as-prepared HES delivers superior electrolyte wettability and thermal stability. Moreover, the abundant ion transport channels in HES homogenize and accelerate ion transport, while facilitating the formation of stable, inorganic/B-rich solid electrolyte interphase and cathode electrolyte interphase in the Li metal batteries. These effectively inhibit Li dendrites and parasitic reactions across a wide temperature range. Consequently, Li||Li cells operate for 2200 h at −70°C, 6548 h at 25°C, and 700 h at 150°C. Li||V2O5 batteries can run from −70 to 150°C, demonstrating excellent application potential. This work enriches separator design strategies and expands the temperature boundaries for the application of Li metal batteries.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148768623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Grain-Boundary-Rich SEI Synergizing with an H2O-Poor EDL Enables Multidimensional Interfacial Regulation for Stable Zn Anodes 富含晶界的SEI与缺乏h2o的EDL协同作用，实现了稳定Zn阳极的多维界面调节

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-18 DOI: 10.1002/aenm.71481

Haoqi Bao, Jiyuan Liu, Saisai Lin, Chuming Zheng, Xiao Zhang, Chenyue Huang, Ke Yue, Qiangqiang Qiao, Peng Liu, Xiehong Cao, Lin Zhang, Yingchun Liu, Chenghang Zheng, Xinyong Tao, Xiang Gao

{"title":"Grain-Boundary-Rich SEI Synergizing with an H2O-Poor EDL Enables Multidimensional Interfacial Regulation for Stable Zn Anodes","authors":"Haoqi Bao, Jiyuan Liu, Saisai Lin, Chuming Zheng, Xiao Zhang, Chenyue Huang, Ke Yue, Qiangqiang Qiao, Peng Liu, Xiehong Cao, Lin Zhang, Yingchun Liu, Chenghang Zheng, Xinyong Tao, Xiang Gao","doi":"10.1002/aenm.71481","DOIUrl":"10.1002/aenm.71481","url":null,"abstract":"<div>\u0000 \u0000 The reversibility and sustainability of aqueous zinc-ion batteries (AZIBs) are drastically compromised by interfacial issues arising from the H2O-rich electric double layer (EDL) and unstable solid-electrolyte interphase (SEI). Herein, trace biomolecule additive, zinc hyaluronate (HA-Zn), is introduced to synergistically construct a grain-boundary-rich SEI and an H2O-poor EDL for stable zinc anodes. Mechanistic studies reveal that HA-Zn preferentially adsorbs onto the Zn anode and reconstructs an H2O-poor EDL, effectively suppressing the water-related side reactions. Simultaneously, the centred tetra-oxygen ligands chelate Zn2+ ions at the interface to homogenize ions distribution. This reconfigured interface further promotes the in situ decomposition of HA-Zn and SO42−, generating an organic-inorganic hybrid SEI with abundant Zn2+-conductive grain boundaries, which not only accelerates Zn2+ transport but also guides oriented Zn(101) deposition. Benefiting from the designed interface comprising HA-Zn adsorption and grain-boundary-rich SEI, the Zn||Zn symmetric cells achieve long lifespans exceeding 4700 h and 1700 h at 1 and 4 mAh·cm−2, respectively. More significantly, the Zn||I2 full cells retain 88.67% capacity retention rate after more than 15000 cycles at 2 A·g−1, and the Zn||I2 pouch batteries (0.3 Ah) maintain 86.34% capacity over 3300 cycles at 0.5 A·g−1.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148754645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Toward Scalable Water Electrolysis Catalysts: Mechanistic Insights, Structure-Activity Relationships and Multiscale Design 面向可伸缩的水电解催化剂：机理洞察、结构-活性关系和多尺度设计

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-25 DOI: 10.1002/aenm.71510

Kai Zeng, Xu Liang, Rui Hu, Menghao Zhou, Jinxin Sun, Sha Li, Hongwei Tao, Yibing Li, Haitao Hu, Zhengyou He, Ruizhi Yang, Zheng Hu, Hongwen Huang

{"title":"Toward Scalable Water Electrolysis Catalysts: Mechanistic Insights, Structure-Activity Relationships and Multiscale Design","authors":"Kai Zeng, Xu Liang, Rui Hu, Menghao Zhou, Jinxin Sun, Sha Li, Hongwei Tao, Yibing Li, Haitao Hu, Zhengyou He, Ruizhi Yang, Zheng Hu, Hongwen Huang","doi":"10.1002/aenm.71510","DOIUrl":"10.1002/aenm.71510","url":null,"abstract":"<div>\u0000 \u0000 Highly active catalysts have substantially advanced water electrolysis for green hydrogen production and decarbonized energy systems. However, large-scale deployment remains hindered by the challenge of simultaneously achieving high catalytic activity, long-term durability, and scalable manufacturability. Despite remarkable progress in developing non-noble electrocatalysts, most materials remain confined to lab-scale demonstrations owing to complex synthesis routes and non-industrial evaluation conditions, inducing a significant gap between catalyst discovery and practical implementation. This review summarizes recent progress in bridging laboratory innovation and scalable manufacturing for water electrolysis electrocatalysts. Fundamental reaction mechanisms, scalable synthesis strategies, structure-activity relationships, and multiscale design principles are systematically discussed, spanning atomic-level regulation of intrinsic activity and active site density to macroscopic architectures engineering for optimized mass transport and operational stability. Finally, the prevailing challenges and future trajectories for sustainable catalyst manufacturing and industrial deployment are presented.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148809846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Empowering Triboelectric Nanogenerators With Origami and Kirigami Mechanics: From Metamaterials to Self-Powered Systems 用折纸和基里伽米力学增强摩擦电纳米发电机：从超材料到自供电系统

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-24 DOI: 10.1002/aenm.71484

Hanlin Sun, Xiaocheng Sun, Zhihao Zhao, Jie Wang

{"title":"Empowering Triboelectric Nanogenerators With Origami and Kirigami Mechanics: From Metamaterials to Self-Powered Systems","authors":"Hanlin Sun, Xiaocheng Sun, Zhihao Zhao, Jie Wang","doi":"10.1002/aenm.71484","DOIUrl":"10.1002/aenm.71484","url":null,"abstract":"<div>\u0000 \u0000 Origami- and Kirigami-inspired structures have emerged as transformative strategies for enhancing the performance and versatility of triboelectric nanogenerators (TENGs). Their folding mechanisms facilitate efficient for contact-separation TENGs, as well as their geometric patterns provide essential stretchability for complex interfaces. This review emphasizes that the core mechanism of these architectures lies in their ability to bridge mechanical deformation and electrical output of TENGs. On this basis, we summarize the representative origami and kirigami configurations and their mechanical characteristics. More importantly, we propose a general design framework to clarify how these structural strategies adapt to different operating conditions by leveraging their inherent mechanical characteristics. Typical applications include blue energy harvesting, vibration and biomechanical energy harvesting for micro/nano energy systems, self-powered sensing for environmental and health monitoring, tactile sensing, and wearable electronics that benefit from the stretchability and deformability of kirigami structures. Finally, the current challenges and outline emerging opportunities toward deeper functional integration and scalable implementation of origami- and kirigami-inspired TENGs are concluded.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148809811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Continuous Fabrication of Dendrite-Free Zinc Fiber Anodes for Flexible Batteries 柔性电池用无枝晶锌纤维阳极的连续制备

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-07-02 DOI: 10.1002/aenm.71235

Jeong-Gil Kim, Jisung Lee, Hayoung Yu, Kyusoon Pak, Steve Park, Min Ji Kim, Min Woo Kim, Min Seob Kim, Seo Gyun Kim, Dae-Yoon Kim, Jun Yeon Hwang, Bon-Cheol Ku, Hyung-Kyu Lim, Hyeon Su Jeong, Jinwoo Lee, Nam Dong Kim

{"title":"Continuous Fabrication of Dendrite-Free Zinc Fiber Anodes for Flexible Batteries","authors":"Jeong-Gil Kim, Jisung Lee, Hayoung Yu, Kyusoon Pak, Steve Park, Min Ji Kim, Min Woo Kim, Min Seob Kim, Seo Gyun Kim, Dae-Yoon Kim, Jun Yeon Hwang, Bon-Cheol Ku, Hyung-Kyu Lim, Hyeon Su Jeong, Jinwoo Lee, Nam Dong Kim","doi":"10.1002/aenm.71235","DOIUrl":"10.1002/aenm.71235","url":null,"abstract":"<div>\u0000 \u0000 Fiber-shaped zinc metal batteries (FZBs) with non-flammable aqueous electrolytes and non-reactive metals are gaining attention as safe power source in wearable electronics However, practical implementation is hindered by persistent dendrite formation due to complex zinc deposition kinetics on cylindrical geometries, as well as limitations in achieving extended device lengths. Here, we simultaneously address these challenges by development of fiber-shaped zinc electrodes based on oxygen functionalized carbon nanotube fiber (OCNTF) via custom-designed continuous process for meter-scale FZBs (M-FZBs). The aligned, highly crystalline OCNTF significantly mitigate dendrite formation by low lattice misfit with zinc. Additionally, the densely packed structure of OCNTFs generates distinct valley regions between adjacent nanotubes, providing energetically favorable nucleation sites for uniform zinc deposition. Consequently, the continuous produced Zn@OCNTF exhibits superior corrosion resistance and durability. Additionally, the M-FZBs demonstrate an impressive energy density of 151.0 µWh tex−1. Our research effectively addresses fundamental and scalability challenges, advancing practical application of FZBs.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148365298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Ordered Lattice at Polycrystalline-Single Crystal Island Interfaces for Efficient CO2/H2O Co-Electrolysis in Solid Oxide Electrolysis Cells 固体氧化物电解池中高效CO 2 / h2o CO -电解的多晶-单晶岛界面有序晶格

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-06-14 DOI: 10.1002/aenm.71182

Ruqi Li, Shilin Wei, Zhongbo Zhang, Shaorong Wang, Lang Xu

{"title":"Ordered Lattice at Polycrystalline-Single Crystal Island Interfaces for Efficient CO2/H2O Co-Electrolysis in Solid Oxide Electrolysis Cells","authors":"Ruqi Li, Shilin Wei, Zhongbo Zhang, Shaorong Wang, Lang Xu","doi":"10.1002/aenm.71182","DOIUrl":"10.1002/aenm.71182","url":null,"abstract":"<div>\u0000 \u0000 Solid oxide electrolysis cells (SOECs) hold promise for large-scale co-electrolysis of CO2 and H2O to produce syngas (CO/H2), a key step toward sustainable fuel production. However, the efficiency of this process is often limited by sluggish electrode kinetics and inefficient interfacial charge transfer. Here, we construct a polycrystalline-single crystal island homojunction via epitaxial growth to overcome these limitations. In this architecture, single-crystal BaFeO3 and BaCoxFe1-xO3 islands are grown on a polycrystalline Ba0.7Gd0.3FeO3 (110) substrate. The resulting structure achieves two major functions: it spatially separates CO2 and H2O adsorption sites, while the highly ordered polycrystalline-single crystal interface, free from dangling bonds, significantly enhances charge transfer kinetics. The BaCo0.1Fe0.9O3/Ba0.7Gd0.3FeO3 composite electrode delivers a faradaic efficiency of 95.9% for CO2 reduction and shows no notable degradation over 300 h of continuous operation. Moreover, directional doping of Co into the BaFeO3 single-crystal islands precisely modulates the adsorption behavior toward CO2 and H2O, allowing a broadly adjustable syngas ratio (CO:H2 = 1:1.1 to 1:5.8). This ordered ‘polycrystalline-single crystal’ structure establishes a materials design strategy in which ordered interfaces and spatially separated active sites converge to overcome the kinetic and transport limitations that have long hindered high-efficiency co-electrolysis in SOECs.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148291104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Half-Electrode Absence and Asymmetric Arrangement Design Integrated With Shielding Electrodes for Boosting Sliding Triboelectric Nanogenerator Performance 半电极缺失和不对称排列设计与屏蔽电极集成提高滑动摩擦电纳米发电机性能

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-19 DOI: 10.1002/aenm.71476

Jiaqi Duan, Gui Li, Xinyue Cheng, Haoran Zhaojia, Jiawei Li, Wei Tang, Ling Li, Shengyang Xiong, Lingyu Wan, Guanlin Liu, Chenguo Hu

{"title":"Half-Electrode Absence and Asymmetric Arrangement Design Integrated With Shielding Electrodes for Boosting Sliding Triboelectric Nanogenerator Performance","authors":"Jiaqi Duan, Gui Li, Xinyue Cheng, Haoran Zhaojia, Jiawei Li, Wei Tang, Ling Li, Shengyang Xiong, Lingyu Wan, Guanlin Liu, Chenguo Hu","doi":"10.1002/aenm.71476","DOIUrl":"10.1002/aenm.71476","url":null,"abstract":"<div>\u0000 \u0000 Enhance charge transmission performance of sliding mode triboelectric nanogenerators (TENG) is critical approach for achieving efficient energy harvesting in constructing self-powered systems. However, the charge transmission efficiency in practical applications remains challenge, and the output current regulation and control are still deficiency. Herein, a half-electrode absence and asymmetric arrangement design combined with shielding-electrodes (HAS) strategy is proposed to address the low charge transmission efficiency and output current loss for sliding-TENGs. Through this unique design of the electrode structure and the interaction between different materials, HAS-TENG enables uniform charge accumulation across the entire surface of the dielectric layer and prevents output current distortion. Additionally, the corresponding equivalent circuit model and dynamic charge transfer mechanism of the HAS-TENG are analyzed. The HAS-TENG outputs a root-mean-square current of 3.86 µA, which is approximately 3.3 and 2.2 times that of the sliding-TENG and the charge-space accumulation TENG, respectively, under equivalent dimensions. Furthermore, based on the charge accumulation effect, the rotational HAS-TENG not only maintains a stable current after 100 000 operating cycles but also achieves an average power output of 53.94 mW. This work offers design strategies for optimizing charge accumulation and transport performance in sliding-mode TENG, facilitating its path toward practical application.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148768466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Stable and Low-Pressure Anode-Free All-Solid-State Li–S Batteries Enabled by Reaction-Derived Nanocrystalline-Amorphous Li2S Cathodes and Deformable Sodium Current Collectors 通过反应衍生的纳米晶非晶锂2s阴极和可变形钠集流器实现稳定和低压无阳极的全固态锂电池

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-19 DOI: 10.1002/aenm.71471

Qi Zhang, Rui Yang, Zhiwei Ni, Zhengran Wang, Baojuan Xi, Shenglin Xiong, Aimin Zhang, Jinkui Feng

{"title":"Stable and Low-Pressure Anode-Free All-Solid-State Li–S Batteries Enabled by Reaction-Derived Nanocrystalline-Amorphous Li2S Cathodes and Deformable Sodium Current Collectors","authors":"Qi Zhang, Rui Yang, Zhiwei Ni, Zhengran Wang, Baojuan Xi, Shenglin Xiong, Aimin Zhang, Jinkui Feng","doi":"10.1002/aenm.71471","DOIUrl":"10.1002/aenm.71471","url":null,"abstract":"<div>\u0000 \u0000 Anode-free all-solid-state Li–S batteries (ASSLSBs) are promising for high-energy-density storage, but their development is hindered by sluggish Li2S activation and unstable solid–solid interfaces, especially under low stack pressure. Here we report a low-pressure anode-free ASSLSB enabled by a solid-state in situ reaction-derived nanocrystalline-amorphous Li2S cathode and a deformable Na current collector. During short-term high-energy ball milling, PI3 reacts with Li2S to generate LiI and amorphous thiophosphate species around nanocrystalline Li2S domains, forming a reaction-derived ion-conductive framework. Meanwhile, the Na current collector maintains intimate contact with the sulfide electrolyte even under limited external pressure, while the mitigated volume variation of Li2S and amorphous interfacial framework jointly stabilize the solid–solid interfaces during cycling. Consequently, the optimized Li2S-PI3 8% full cell exhibits a capacity retention of approximately 100% after 200 cycles at 0.5 C under a stacking pressure of 4 MPa. Under the same external pressure, the cell further exhibits a capacity retention of 89.71% after 400 cycles at 0.2 C. Remarkably, even under an external pressure as low as 1 MPa, the full cell maintains 70.54% capacity retention after 300 cycles, underscoring its robust cycling stability under low-external-pressure conditions.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148768613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Surface-Engineered Ti3C2Tx MXene/Cu2O Photocathodes for Highly Selective Photoelectrocatalytic CO2 Reduction to Ethanol 表面工程Ti 3c2txmxene / cu2o光电阴极用于高选择性光电催化co2还原为乙醇

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-19 DOI: 10.1002/aenm.71469

Luis A. M. Carrascosa, Magdaléna Linková, Monika Remzová, Tomáš Hrbek, Pavla Eliášová

{"title":"Surface-Engineered Ti3C2Tx MXene/Cu2O Photocathodes for Highly Selective Photoelectrocatalytic CO2 Reduction to Ethanol","authors":"Luis A. M. Carrascosa, Magdaléna Linková, Monika Remzová, Tomáš Hrbek, Pavla Eliášová","doi":"10.1002/aenm.71469","DOIUrl":"10.1002/aenm.71469","url":null,"abstract":"Cu2O is an inexpensive p-type semiconductor that promotes the photoelectrocatalytic CO2 reduction reaction (PEC CO2RR). While its low bandgap enables photoexcitation by visible light, long-term stability remains limited due to quick charge recombination and photocorrosion. Here, we enhanced charge separation and extraction by combining Cu2O with surface-engineered MXenes. In this novel architecture, TiO2 grows in situ on the surface of Ti3C2Tx and serves as a charge-transport layer, forming a junction with Cu2O. On the other side, the outer TiO2 surface exposed to the CO2-saturated electrolyte offers catalytically active sites for CO2 reduction. Acting as a central layer, the MXene conductive backbone provides an electronically continuous pathway for electron transport. In PEC CO2RR, the photocathode containing 50 wt.% of MXene and a balanced amount of TiO2 on the Ti3C2 surface outperformed the best Cu/CuxO-based systems operating in non-organic electrolytes reported in the literature. The FTO/Cu2O/ml-Ti3C2Tx-350-N2 photocathode reached 8.4 µmol cm−2 h−1 ethanol production rate and 2.74% solar-to-ethanol efficiency after 2 h. Moreover, pairing TiO2-MXene with Cu2O significantly stabilized the photocathode, which maintained 76% of the ethanol production rate after 6 h. Overall, our results establish surface-engineered Cu2O/TiO2-MXene heterostructures as a solid platform for highly selective, visible-light-driven ethanol production with significantly improved operational stability.","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aenm.71469","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148768621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Multi-Selective Dominant Coordination in Multi-Salt High-Entropy Electrolytes Toward High-Performance Silicon Anodes 面向高性能硅阳极的多盐高熵电解质的多选择优势配位

IF 25.5 1区材料科学

Advanced Energy Materials Pub Date : 2026-10-06 Epub Date: 2026-08-19 DOI: 10.1002/aenm.71486

Xudong Gao, Qinglong Zhao, Fupu Liu, Lucheng Cai, Chaowei He, Haonan Zheng, Yijing Zhou, Mengya Wang, Xin Guo, Yuanchun Zhang, Hangjun Ying, Wei-Qiang Han

{"title":"Multi-Selective Dominant Coordination in Multi-Salt High-Entropy Electrolytes Toward High-Performance Silicon Anodes","authors":"Xudong Gao, Qinglong Zhao, Fupu Liu, Lucheng Cai, Chaowei He, Haonan Zheng, Yijing Zhou, Mengya Wang, Xin Guo, Yuanchun Zhang, Hangjun Ying, Wei-Qiang Han","doi":"10.1002/aenm.71486","DOIUrl":"10.1002/aenm.71486","url":null,"abstract":"<div>\u0000 \u0000 High-entropy electrolytes (HEEs) are revolutionizing the design of electrolytes for lithium-ion batteries. However, significant gaps and numerous uncertainties still persist in this field. To address these issues, we originally proposed the multi-selective dominant coordination mechanism, which reveals the origin of the anion-rich solvation environment in multi-salt high-entropy electrolytes (HEEsalts). Using commercially available lithium salts, we designed single-salt (SS), triple-salt (TS), parent/auxiliary salt (PAS), and mixed pentasalt (MixS) electrolytes to systematically investigate the regulating role of entropy on the electrochemical performance of alloying-type anodes. Molecular dynamics (MD) simulations and spectroscopic characterization confirm that increased coordination selectivity of anions enables Li+ to enter a highly delocalized and dynamically reconfigurable solvation environment, driving the system to spontaneously evolve toward a stable, anion-rich state. Post-cycle analysis reveals that HEEsalts induce the formation of a thin, uniform, and robust solid electrolyte interphase (SEI), with an inorganic content up to 49.2%. As a result, the entropy-driven solvation reconfiguration synergistically accelerates ion bulk transport and interfacial reaction kinetics. Accordingly, MixS endows significantly improved electrochemical performance compared to other electrolytes. Remarkably, a 250 mAh pouch cell exhibits a capacity retention rate of 97.18% after 200 cycles, demonstrating the excellent industrial practicability of HEEsalts.\u0000 </div>","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"16 37","pages":""},"PeriodicalIF":25.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148768558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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