Nano Energy最新文献_第2页

Strong piezoelectric-like electromechanical response from single granular PMMA interface 单颗粒PMMA界面强压电式机电响应

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-13 DOI: 10.1016/j.nanoen.2025.111519

Ignaas S.M. Jimidar , Artis Linarts , Kai Sotthewes , Jānis Lungevičs , Peter C. Sherrell , Andris Šutka

{"title":"Strong piezoelectric-like electromechanical response from single granular PMMA interface","authors":"Ignaas S.M. Jimidar , Artis Linarts , Kai Sotthewes , Jānis Lungevičs , Peter C. Sherrell , Andris Šutka","doi":"10.1016/j.nanoen.2025.111519","DOIUrl":"10.1016/j.nanoen.2025.111519","url":null,"abstract":"<div><div>Energy harvesting devices, namely triboelectric nanogenerators (TENGs) and piezoelectric nanogenerators (PENGs), are rapidly garnering interest. As such, a great deal of research is devoted to developing electromechanically responsive materials, particularly flexible polymers. State-of-the-art materials are typically made from toxic fluoropolymers, which need to be avoided due to environmental contamination risks. In this work, we investigate the electromechanical response of a granular-based electromechanical device. Close-packed monolayers comprising polymethyl methacrylate (PMMA) beads with diameters of 0.5 or 3.0 <span><math><mi>μ</mi></math></span>m are assembled using a solvent-free rubbing method. Subsequently, the ordered monolayers are brought into contact, while a force is cyclically applied in a quasi-static mode and during buzzer testing. The beads enable the production of ultra-thin polymer layers (with a combined thickness of only 3.5 <span><math><mi>μ</mi></math></span>m) with controlled morphology (Set by the bead size), which is highly challenging for other polymers. Our findings show that we achieve a <span><math><msub><mrow><mi>d</mi></mrow><mrow><mtext>33</mtext></mrow></msub></math></span> value of 19 (in quasi-static mode) and 117 pC/N (buzzer test) for the granular-based PMMA electromechanical device, elucidating the great potential of such beads in mechanical energy harvesting devices, as it matches and outperforms most state-of-the-art polyvinylidene fluoride (PVDF) piezoelectric materials.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111519"},"PeriodicalIF":17.1,"publicationDate":"2025-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145283722","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

Minimalist integrated, ultrathin, scalable design of thermo-optical interfaces for above-ambient cooling 极简集成，超薄，可扩展的热光学接口设计，用于环境上方冷却

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-13 DOI: 10.1016/j.nanoen.2025.111524

Renhao Ding , Shuangjiang Feng , Zezhou Wu , Fan Fan , Huajie Tang , Chenyue Guo , Qixiang Chen , Decheng Kong , Dongliang Zhao

{"title":"Minimalist integrated, ultrathin, scalable design of thermo-optical interfaces for above-ambient cooling","authors":"Renhao Ding , Shuangjiang Feng , Zezhou Wu , Fan Fan , Huajie Tang , Chenyue Guo , Qixiang Chen , Decheng Kong , Dongliang Zhao","doi":"10.1016/j.nanoen.2025.111524","DOIUrl":"10.1016/j.nanoen.2025.111524","url":null,"abstract":"<div><div>Radiative cooling (RC) exhibits substantial potential for energy conservation and sustainable development, leveraging its dual mechanism of sunlight reflection and passive thermal emission to deep space without consuming any energy. However, RC remains a fundamental challenge for objects with substantial self-generated heat and operating above ambient temperature in both indoor and outdoor environments (e.g., electronic devices and communication base stations). To address this limitation, this work proposes an integrated and ultrathin thermal photonic interface (TPI) through thermo-optical design, which incorporates 2D hexagonal boron nitride (<em>h</em>-BN) nanoplates with high backward scattering efficiency into a polymer/metal oxide RC framework. The optimized TPI demonstrates exceptional solar reflectivity (>93 %) and mid-infrared emissivity (96 %). Indoors under high thermal loading, the object coated with the TPI demonstrates temperatures 11.5 °C and 13.2 °C lower than the commercial paint and polymer matrix systems, respectively. Additionally, under daytime with high thermal loading in summer, the TPI system maintains temperatures 5–8 °C below the other two. Notably, the TPI demonstrates excellent cooling performance above the ambient temperature. This work establishes a scalable design strategy for above-ambient radiative coolers, offering an innovative paradigm for implementing 2D planar materials to RC applications.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111524"},"PeriodicalIF":17.1,"publicationDate":"2025-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145283877","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

Cation dependent linear dichroism in PL spectra of self-assembled perovskite nanoparticle film and nanoparticle-liquid crystal mixtures 自组装钙钛矿纳米颗粒薄膜和纳米颗粒-液晶混合物PL光谱中的阳离子依赖线性二色性

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-12 DOI: 10.1016/j.nanoen.2025.111523

Chengqiang Wang , Xudong Hu , Tao Song , Yanlong Ma , Pingyuan Yan , Muyan Zhu , Zhongqi Xie , Zihui Zhou , Heng Li , Qiang Wang , Xiaoming Li , ChuanXiang Sheng

{"title":"Cation dependent linear dichroism in PL spectra of self-assembled perovskite nanoparticle film and nanoparticle-liquid crystal mixtures","authors":"Chengqiang Wang , Xudong Hu , Tao Song , Yanlong Ma , Pingyuan Yan , Muyan Zhu , Zhongqi Xie , Zihui Zhou , Heng Li , Qiang Wang , Xiaoming Li , ChuanXiang Sheng","doi":"10.1016/j.nanoen.2025.111523","DOIUrl":"10.1016/j.nanoen.2025.111523","url":null,"abstract":"<div><div>Self-assembly films formed by perovskite nanoparticles (NPs) exhibit fascinating collective assembly phenomena, but the in-depth description is still lacking. Here, three perovskite APbBr<sub>3</sub> NPs, where A<sup>+</sup> includes Cs<sup>+</sup>, MA<sup>+</sup>, and FA<sup>+</sup>, with similar size wrapping with various ligands, are used as model materials. The degree of linear polarization (DOLP) strongly depends on the aggregation of the NPs. All colloidal solutions exhibit non-polarized luminescence, whereas the DOLP of APbBr<sub>3</sub> films range from ∼0–10 %. This can be attributed to the dipole-dipole interaction resulting from lattice distortion, imperfect shape, as well as the ligand features. Accordingly, the dipole of a NP can also interact with the dipole of liquid crystal molecules, resulting in a centimeter-scale device comprising the mixture of NPs and liquid crystal with DOLP of 50 %. Our work highlights the potentials of using dipole-dipole interaction to construct NPs into large-scale structures with controllable collective optical phenomena, particularly offering a new method for linearly polarized emission.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111523"},"PeriodicalIF":17.1,"publicationDate":"2025-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145283429","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

Unraveling the conversion reaction pathways and kinetics of FeWO4 anode during lithiation via in situ transmission electron microscopy 原位透射电镜研究锂化过程中FeWO4阳极的转化反应途径和动力学

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-11 DOI: 10.1016/j.nanoen.2025.111522

Yuchen Pan , Qi Qi , Xinfei Wu , Yuwei Xiong , Huihua Min , Lei Li , Litao Sun , Feng Xu

{"title":"Unraveling the conversion reaction pathways and kinetics of FeWO4 anode during lithiation via in situ transmission electron microscopy","authors":"Yuchen Pan , Qi Qi , Xinfei Wu , Yuwei Xiong , Huihua Min , Lei Li , Litao Sun , Feng Xu","doi":"10.1016/j.nanoen.2025.111522","DOIUrl":"10.1016/j.nanoen.2025.111522","url":null,"abstract":"<div><div>Transition metal tungstates (TMTs) are gaining attraction in lithium-ion batteries (LIBs) anode research, primarily attributed to their superior volumetric capacity, good electronic transport property, and stable electrochemical cycling. However, the fundamental phase evolution pathways during lithiation of TMTs largely remain ambiguous owing to the lack of direct evidence. Herein, ferrous tungstate (FeWO<sub>4</sub>) is strategically selected as a characteristic TMT anode material to investigate the time-resolved structural evolution and reaction kinetics during lithiation. Previously unexplored two-step conversion reaction mechanism during the lithiation of FeWO<sub>4</sub> is explicitly revealed by coupling <em>in situ</em> transmission electron microscopy (TEM) with synchronized electron diffraction (ED) observation. Impressively, the single-crystal Li<sub>2</sub>WO<sub>4</sub> is identified as the intermediate phase by <em>in situ</em> lattice-resolution imaging and density functional theory (DFT) calculation. Upon further Li<sup>+</sup> intercalation, the lattice spacing of Li<sub>2</sub>WO<sub>4</sub> progressively expands along with distortion and cracking of ordered lattice fringes, ultimately resulting in full conversion of Li<sub>2</sub>WO<sub>4</sub> into Fe, W and Li<sub>2</sub>O phases. The final delithiation products can be recovered to the FeWO<sub>4</sub> phase and therefore reversible phase conversion reactions can be maintained with cycling. The <em>in situ</em> TEM observations not only decipher the whole lithiation process of the FeWO<sub>4</sub> anode, but more importantly establishe a general mechanistic framework for understanding the Li storage mechanism of other TMT anodes.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111522"},"PeriodicalIF":17.1,"publicationDate":"2025-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145283431","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

Cathode voltage slope determining Li plating risk: Why LiFePO4 needs a higher N/P ratio than LiCoO2 阴极电压斜率决定镀锂风险：为什么LiFePO4需要比LiCoO2更高的N/P比

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-11 DOI: 10.1016/j.nanoen.2025.111521

Minsoo Kim , Moon-Seok Kwon , Jinsu Ha , Bokhyun Ka , Sanghee Nam , Sunyhik Ahn

{"title":"Cathode voltage slope determining Li plating risk: Why LiFePO4 needs a higher N/P ratio than LiCoO2","authors":"Minsoo Kim , Moon-Seok Kwon , Jinsu Ha , Bokhyun Ka , Sanghee Nam , Sunyhik Ahn","doi":"10.1016/j.nanoen.2025.111521","DOIUrl":"10.1016/j.nanoen.2025.111521","url":null,"abstract":"<div><div>In lithium-ion battery manufacturing, the N/P ratio is a critical design parameter for preventing lithium (Li) plating on the anode. It is typically determined based on anode properties such as resistance and the expected operating C-rate, under the assumption that Li plating is primarily governed by anode characteristics. However, this study reveals that the voltage profile of the cathode at the end of charge (EOC) also plays a significant role by influencing the anode cut-off voltage under high C-rate conditions. This study compares LiFePO<sub>4</sub> (LFP) and LiCoO<sub>2</sub> (LCO) cathodes, which exhibit markedly different voltage slopes at EOC. As the C-rate increases, the LFP full-cell shows less capacity reduction than the LCO cell, owing to the steep voltage rise near EOC that acts as a buffer against overpotential-induced cut-off. As a result, the graphite anode in the LFP cell becomes more lithiated, leading to a lower anode potential and increased risk of Li plating. Three-electrode measurements, differential voltage (dV/dQ) analysis, Li plating analysis, and long-term cycling tests of LFP cells (> 4 Ah) with varying N/P ratios consistently support this mechanism. The findings highlight that the cathode voltage slope at EOC significantly affects anode behavior and should be considered in N/P ratio design to ensure safer and longer-lasting LFP batteries.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111521"},"PeriodicalIF":17.1,"publicationDate":"2025-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145283430","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

Homogeneous integration of 1D/2D nanomaterials into mesoporous metal oxides via ultrafast condensation-induced self-assembly toward enhanced lithium-ion storage 通过超快凝聚诱导自组装将一维/二维纳米材料均匀集成到介孔金属氧化物中，以增强锂离子的存储能力

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-10 DOI: 10.1016/j.nanoen.2025.111518

Keon-Woo Kim , Hangjun Jo , Woosuk Kang , Yeonwoo Jeong , Jinkwan Choi , Sandip Maiti , Changshin Jo , Jin Kon Kim

{"title":"Homogeneous integration of 1D/2D nanomaterials into mesoporous metal oxides via ultrafast condensation-induced self-assembly toward enhanced lithium-ion storage","authors":"Keon-Woo Kim , Hangjun Jo , Woosuk Kang , Yeonwoo Jeong , Jinkwan Choi , Sandip Maiti , Changshin Jo , Jin Kon Kim","doi":"10.1016/j.nanoen.2025.111518","DOIUrl":"10.1016/j.nanoen.2025.111518","url":null,"abstract":"<div><div>Homogeneous integration of nanomaterials into mesoporous metal oxides (MMOs) remains a long-standing challenge, as conventional solvent evaporation–driven block copolymer self-assembly often leads to phase segregation and structural inhomogeneity, thereby hindering the realization of synergistic effects between MMOs and nanomaterials. Herein, we introduce an ultrafast condensation-induced self-assembly (CISA) strategy that leverages the rapid condensation of metal alkoxides in block copolymer solutions to trigger self-assembly within seconds. This rapid solution-phase process enables the uniform incorporation of 1D/2D nanomaterials into mesostructured MMOs. The resulting nanocomposites exhibit enhanced lithium-ion battery performance over their MMO counterparts. Furthermore, as CISA process avoids solvent evaporation and employs a green solvent (acetone), it allows complete solvent recovery through a simple purification step, enhancing the environmental sustainability. In addition, by introducing condensation instead of evaporation as a new driving force for block copolymer self-assembly, CISA offers a versatile platform for the green synthesis of MMOs and their nanocomposites with broad applications in energy storage, catalysis, and sensing.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111518"},"PeriodicalIF":17.1,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145255453","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

Isomer-engineering of pyridine amidinium for efficient bifacial perovskite/silicon tandem solar cells 高效双表面钙钛矿/硅串联太阳能电池中吡啶酰胺的异构体工程研究

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-10 DOI: 10.1016/j.nanoen.2025.111520

Jianxun Li , Yihan Ye , Bita Farhadi , Kai Wang , Qingyun Wei , Dan Yang , Han Lu , Yafei Qiao , Siyi Jiang , Jing Ma , Shengzhong Liu

{"title":"Isomer-engineering of pyridine amidinium for efficient bifacial perovskite/silicon tandem solar cells","authors":"Jianxun Li , Yihan Ye , Bita Farhadi , Kai Wang , Qingyun Wei , Dan Yang , Han Lu , Yafei Qiao , Siyi Jiang , Jing Ma , Shengzhong Liu","doi":"10.1016/j.nanoen.2025.111520","DOIUrl":"10.1016/j.nanoen.2025.111520","url":null,"abstract":"<div><div>Bifacial perovskite/silicon tandem solar cells (TSCs) exhibit significant performance advantages over their monofacial counterparts under real-world operating conditions, yet their progress is contingent on the development of high-quality wide-bandgap perovskites. Herein, we integrate the benefits of Lewis bases and oversized cations by designing a series of structurally tailored pyridine-functionalized amidinium additives (2PyFA⁺, 3PyFA⁺, and 4PyFA⁺) to systematically explore the impact of ionic configuration on perovskite film properties and device performance. Among them, the meta-configured 3PyFA⁺ demonstrates a unique bidentate anchoring capability: it simultaneously coordinates with Pb<sup>2 +</sup> and forms hydrogen bonds with I⁻, enabled by its optimal spatial geometry and inductive modulation. This dual-site interaction not only promotes oriented perovskite crystal growth and relieves residual lattice strain, but also induces the formation of low-dimensional perovskites that reduce residual PbI<sub>2</sub> and passivate defects. As a result, inverted single-junction 1.6 eV wide-bandgap perovskite solar cells achieved a remarkable power conversion efficiency of 23.53 %, alongside excellent photo- and thermal stability. Notably, monolithic bifacial perovskite/silicon TSCs incorporating 3PyFA⁺ attain a record-high power generation density of 32.51 mW cm<sup>−2</sup> under typical bifacial illumination - the highest reported value to date for bifacial perovskite/silicon TSCs. This study establishes a new paradigm for additive design via structural isomer engineering and offers practical guidance for the development of efficient and durable bifacial tandem photovoltaics.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111520"},"PeriodicalIF":17.1,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145255452","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

Spatial engineering of textile threads for all-textile embroidered triboelectric nanogenerators 全织物绣花摩擦电纳米发电机用纺织线的空间工程

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-09 DOI: 10.1016/j.nanoen.2025.111510

R.L. Bulathsinghala , S. Meng , B.E. King , I.M. Nassiuma , P. Kinnell , R.D.I.G. Dharmasena

{"title":"Spatial engineering of textile threads for all-textile embroidered triboelectric nanogenerators","authors":"R.L. Bulathsinghala , S. Meng , B.E. King , I.M. Nassiuma , P. Kinnell , R.D.I.G. Dharmasena","doi":"10.1016/j.nanoen.2025.111510","DOIUrl":"10.1016/j.nanoen.2025.111510","url":null,"abstract":"<div><div>Triboelectric nanogenerators (TENGs) are envisioned to become a leader in wearable energy-harvesting and self-powered sensing applications with textile-based TENGs playing a major role due to their comfort. However, textile TENGs face challenges including lower electrical outputs, low charge stability, and sporadic outputs, mainly due to lack of fibre/yarn-level TENG optimization strategies. These devices are predominantly constructed using fabric-level triboelectric modifications, at which stage, scope for their optimization is limited. Therefore, significant attention is needed to design and optimize fibre/yarn-level TENGs that can function as wearable sensors with excellent electrical, wearable, and mechanical performance. Herein, we introduce spatial engineering and optimisation techniques at fibre/yarn level of a textile using an embroidery technique to construct high-performance wearable TENG devices. For the first time, this work provides a comprehensive theoretical and experimental study on how fundamental embroidery parameters—such as stitch spacing, stitch length, and stitch direction—can be systematically varied to optimize TENG outputs, demonstrating significant increase in their performance. These TENGs were then used as self-powered active sensors for monitoring elbow movement on human subjects. Compared to gold-standard optoelectronic sensors and commercial inertial measurement units, these sensors provided excellent accuracy and repeatability, highlighting a landmark study in this research field.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111510"},"PeriodicalIF":17.1,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145255461","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

Charge self-injection strategy to enhance the volume charge density and output performance of triboelectric nanogenerator 提高摩擦纳米发电机体积电荷密度和输出性能的电荷自注入策略

IF 17.1 1区材料科学

Nano Energy Pub Date : 2025-10-09 DOI: 10.1016/j.nanoen.2025.111511

Weihao Gao , Jinyan Zhi , Li Cheng , Dan Liu , Yong Qin

{"title":"Charge self-injection strategy to enhance the volume charge density and output performance of triboelectric nanogenerator","authors":"Weihao Gao , Jinyan Zhi , Li Cheng , Dan Liu , Yong Qin","doi":"10.1016/j.nanoen.2025.111511","DOIUrl":"10.1016/j.nanoen.2025.111511","url":null,"abstract":"<div><div>As a sustainable power source for collecting energy from human body and the environment, triboelectric nanogenerator (TENG) is of great significance for the application of Internet of Things (IoT) devices and every kind of widely distributed sensors. The powering and charging performance of TENG depends largely on its output power density, which is closely related to the charge density. Here, a universal strategy of charge self-injection is proposed to increase the storage depth of triboelectric charges to improve the volume charge density of TENG. This charge self-injection strategy (CSS) effectively enhances the electric field inside dielectric layer by short-circuiting the positive and negative electrodes of TENG, and promotes the drift of triboelectric charge into the dielectric layer, thereby significantly increasing volume charge density. In addition, volume charge density is further enhanced by stabilizing the electric field inside dielectric layer in the intermittent working mode and further exploring the charge drift process. Finally, CSS enhanced TENG achieves an effective areal charge density of 93.47 μC/m<sup>2</sup>, which is 2.81 times that of traditional-TENG. This strategy improves the collection efficiency of triboelectric charges and output performance, which provides greater development potential for TENG in practical applications.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"146 ","pages":"Article 111511"},"PeriodicalIF":17.1,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145255460","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

Interface engineering of bimetallic sulfide/carbon composite anode with heterostructures and sulfur bridges for cost-effective all manganese-based sodium-ion batteries 具有异质结构和硫桥的双金属硫化物/碳复合阳极在高性价比全锰基钠离子电池中的界面工程

IF 17.6 1区材料科学

Nano Energy Pub Date : 2025-10-09 DOI: 10.1016/j.nanoen.2025.111515

Hongyu Zhang, Tingzhou Yang, Ziyi Sun, Ruiyi Li, Xiaoen Wang, Zhongwei Chen

{"title":"Interface engineering of bimetallic sulfide/carbon composite anode with heterostructures and sulfur bridges for cost-effective all manganese-based sodium-ion batteries","authors":"Hongyu Zhang, Tingzhou Yang, Ziyi Sun, Ruiyi Li, Xiaoen Wang, Zhongwei Chen","doi":"10.1016/j.nanoen.2025.111515","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.111515","url":null,"abstract":"Designing anode materials that simultaneously achieve high capacity, structural stability, and fast kinetics remains a critical challenge for sodium-ion (Na-ion) batteries. Herein, we propose a targeted interface engineering strategy construct a carbon decorated ZnS-MnS/C (ZMSC) composite anode featuring bimetallic sulfide heterostructures and interfacial sulfur-bridged bonds for all Mn-based Na-ion batteries (AMSIBs). The intrinsic differences in bandgap and electronegativity induce a built-in electric field at their interface, promoting charge redistribution and heterostructure formation. Carbon decoration establishes sulfur-bridged bonds that tightly anchor active metal nanoparticle to the carbon matrix, enhancing interfacial coupling and effectively suppressing structural degradation. Such synergistic design achieves a remarkable reversible capacity of 400 mAh g<sup>−1</sup> over 2000 cycles at 10.0 A g<sup>−1</sup>. When paired with NaMn<sub>2</sub>O<sub>4</sub> cathode, the obtained AMSIBs demonstrated excellent performance and stability, underscoring its practical viability for the development of cost-effective and high-performance Na energy storage systems.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"114 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145255456","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