Nano EnergyPub Date : 2025-03-29DOI: 10.1016/j.nanoen.2025.110915
Tongbin Zhang , Yan Wang , Xiaoen Wang , Dan Luo , Shufeng Jia , Xuancheng Liu , Yongguang Zhang , Zhongwei Chen
{"title":"In-situ construction of solid polymer electrolyte with regulated Li-polymer interaction for high-performance solid-state Li metal batteries","authors":"Tongbin Zhang , Yan Wang , Xiaoen Wang , Dan Luo , Shufeng Jia , Xuancheng Liu , Yongguang Zhang , Zhongwei Chen","doi":"10.1016/j.nanoen.2025.110915","DOIUrl":"10.1016/j.nanoen.2025.110915","url":null,"abstract":"<div><div>The practical application of lithium metal batteries (LMB) is severely hindered owing to the fatal side reactions and dendritic growth of Li, while the development of solid-state LMB by using solid polymer electrolytes (SPE) can address these issues. Employing in-situ polymerization method is a feasible strategy for the large-scale production of SPE. However, its ionic conductivity and high voltage stability is still unsatisfactory. Herein, we developed a new SPE based on the in-situ polymerization of 2-vinyl-1,3-dioxolane (VDOL). The double bond addition reaction of VDOL induced by free radical polymerization endows the formation of enriched adjacent carbonyl functional group in polymer chain, which significantly enlarges its high-voltage tolerance and facilitates the formation of densified sites for favored Li<sup>+</sup> interaction and promoted ion conduction. In addition, the strengthened chemical interaction between Li<sup>+</sup> and C-O groups in SPE not only enhances the lithium salt dissociation, but also effectively regulates Li deposition and immobilizes anions. Attributed to its regulated Li-polymer interaction, the designed Ah-level pouch type LMB paired with sulfur cathode demonstrates a high energy density of 314.8 Wh kg<sup>−1</sup> and decent cyclic stability, which provides a new strategy of developing high performance SPE and related electrochemical devices.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110915"},"PeriodicalIF":16.8,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736472","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}
Nano EnergyPub Date : 2025-03-29DOI: 10.1016/j.nanoen.2025.110918
Lutong Guo, Rudai Zhao, Xuefan Yang, Lijun Cheng, Kun Zhang, Haodan Guo, Mingquan Tao, Xiwen Zhang, Yang Wang, Yanlin Song
{"title":"Perovskite-insulator-perovskite architecture for dynamic recognition of dual-dimensional optical information with the narrow range of mixed incident light","authors":"Lutong Guo, Rudai Zhao, Xuefan Yang, Lijun Cheng, Kun Zhang, Haodan Guo, Mingquan Tao, Xiwen Zhang, Yang Wang, Yanlin Song","doi":"10.1016/j.nanoen.2025.110918","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110918","url":null,"abstract":"Dynamic information recognition and encryption communication have been seriously affected under complex incident light environment conditions, especially the narrow range of mixed incident light. Single material device is not suitable for the intricate ambient light source, resulting in the incapable of accurate identification for the dual-dimensional optical signals. Herein, we design a perovskite-insulator-perovskite (PIP) sandwich structure photodetector through two-dimensional perovskite materials and machine learning to dynamically discriminate the narrow range of complex ambient light including the dual-dimensional optical signals, which enhances the device's light-sensing capabilities for photodetection information recognition and encryption communication. Meanwhile, the machine learning reinforces the complex dynamic recognition of PIP device under the dual-dimensional optical information. The PIP device demonstrates the notable performances along with average responsivity up to 0.13<!-- --> <!-- -->A<!-- --> <!-- -->W<sup>-1</sup> and detectivity over 3.09 ×10<sup>11</sup> Jones. The machine learning-PIP device with the mass and dual-dimensional signal recognition also exhibits the encryption and dynamic decryption of light-based data. This machine learning-assisted PIP architecture device will apply into the reliably optical communication and environmentally adaptive devices landscape.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"1 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736471","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}
Nano EnergyPub Date : 2025-03-28DOI: 10.1016/j.nanoen.2025.110924
Mingyang Li , Zhuli Hou , Yakun Mou , Yanniu Xu , Xunxiao Wu , Yuhang Qiu , Yaping Zeng , Shuwen Luo , Shan Chen , Dengjun Lu
{"title":"Bioinspired programmable cilia array for enhanced tactile perception","authors":"Mingyang Li , Zhuli Hou , Yakun Mou , Yanniu Xu , Xunxiao Wu , Yuhang Qiu , Yaping Zeng , Shuwen Luo , Shan Chen , Dengjun Lu","doi":"10.1016/j.nanoen.2025.110924","DOIUrl":"10.1016/j.nanoen.2025.110924","url":null,"abstract":"<div><div>Flexible pressure sensors, as key components for enhancing the dimensionality of machine learning perception, demonstrate significant application potential in the Internet of Everything framework, enabling intelligent connectivity through Human-Machine Interfaces. However, the balance between sensitivity and load range remains a critical challenge that limits sensor performance. In this study, inspired by the step-by-step contact sensing principle of cochlear cilia, a programmable multi-scale ciliary structure triboelectric material is developed using a flow casting method. The flexible pressure sensor constructed using this triboelectric structural material achieves both a wide sensing range of 100 kPa and a high sensitivity of 12.692 kPa<sup>−1</sup>. Compared to single-scale microstructure sensors, the sensing range is increased by 67.1 %, while the sensitivity is enhanced by 182.7 %. Furthermore, the sensor maintains high stability after more than 25,000 testing cycles. Based on this, an intelligent sensing ring was developed, which enables real-time gesture recognition and grip force sensing through the perception of finger motion states, achieving sensing accuracies of up to 98.6 % and 97.6 %, respectively. This research addresses the challenge of achieving compatibility between a wide stress range and high sensitivity in sensors, providing a promising manufacturing strategy for high-performance sensors based on Internet of Everything systems.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110924"},"PeriodicalIF":16.8,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143734283","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}
Nano EnergyPub Date : 2025-03-27DOI: 10.1016/j.nanoen.2025.110920
Yuzhao Qiang , Ziye Chen , Lu Yang , Qingdan Huang , Daoyi Li , Wenchao Huang , Xiaogang Guo , Chao Zhang
{"title":"Ultrafast self-powered strain sensor utilizing a flexible solar cell","authors":"Yuzhao Qiang , Ziye Chen , Lu Yang , Qingdan Huang , Daoyi Li , Wenchao Huang , Xiaogang Guo , Chao Zhang","doi":"10.1016/j.nanoen.2025.110920","DOIUrl":"10.1016/j.nanoen.2025.110920","url":null,"abstract":"<div><div>In the era of the rapidly growing Internet of Things (IoT), self-powered strain sensors play a vital role in ensuring the structural health of equipment and enabling intelligent monitoring systems. While integrating photovoltaic cells with sensing arrays to create self-sustaining sensing systems that operate continuously without external charging is promising, the design involving distinct sensors and energy-generating devices connected via conditioning circuits can pose integration challenges. Therefore, our novel approach of using copper indium gallium selenide (CIGS) solar cells directly as self-powered strain sensors excels in reducing system complexity. Density functional theory (DFT) calculations used to evaluate the effects of strain on the bandgap of the material showed downward trends under tensile and compressive loads. COMSOL Multiphysics simulations using the DFT results confirmed a direct correlation between strain and the device output voltage changes, establishing the working principle of the strain sensor. The CIGS sensor exhibits high linearity, low hysteresis, and an ultrafast response (0.03 ms) under impact tests. Environmental impact assessments lead to corrective measures to enhance the performance reliability. A distributed CIGS strain sensor network was able to successfully monitor wing deformation and can measure vibrations up to 20,000 Hz, marking significant progress toward practical applications in self-powered structural health monitoring.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110920"},"PeriodicalIF":16.8,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143724016","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}
Nano EnergyPub Date : 2025-03-27DOI: 10.1016/j.nanoen.2025.110916
Yu Liu , Wenjun Dong , Yucheng Luan , Ping Che , Lihong Li
{"title":"Micro/nano self-powered device based on interface regulation strategy","authors":"Yu Liu , Wenjun Dong , Yucheng Luan , Ping Che , Lihong Li","doi":"10.1016/j.nanoen.2025.110916","DOIUrl":"10.1016/j.nanoen.2025.110916","url":null,"abstract":"<div><div>Micro/nano self-powered devices offer innovative solutions for efficient energy conversion, driving advancements in wearable devices, the Internet of Things (IoT), and artificial intelligence technology. The interface regulation strategies can accurately change the interface properties via interface defect control, composite materials preparation, heterojunction design, and other methods and significantly impact the performance improvement of micro/nano self-powered devices. Extensive efforts have been focused on leveraging this strategy to optimize the functionality of the devices. However, the prominent research advances in terms of electronics, micro/nano self-powered devices, and their relationship have not been systematically reviewed, which is highly attractive for advanced micro-type low-energy consuming devices. This study focuses on reviewing interface regulation strategies and exploring their varied applications in micro/nano self-powered devices. It summarizes the latest research developments and comprehensively outlines the crucial role of interface regulation strategies for ensuring stability, optimizing performance, and expanding the application potential of micro/nano self-powered devices. The comprehensive outlook in this review proposes a roadmap for ongoing and future research endeavors in the ever-evolving field of low-energy electronics.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110916"},"PeriodicalIF":16.8,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143723845","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}
Nano EnergyPub Date : 2025-03-26DOI: 10.1016/j.nanoen.2025.110919
Zongnuo Sha , Cheng Hu , Shuchen Tu , Tong Li , Fang Chen , Hongwei Huang
{"title":"Piezo-activating oxygen vacancy regulates quantum well effect and p-band center for exceptional photocatalysis","authors":"Zongnuo Sha , Cheng Hu , Shuchen Tu , Tong Li , Fang Chen , Hongwei Huang","doi":"10.1016/j.nanoen.2025.110919","DOIUrl":"10.1016/j.nanoen.2025.110919","url":null,"abstract":"<div><div>Solar catalysis efficiency is severely subject to the insufficient charge separation and inactive surface sites. Building piezoelectric field is established to be effective for anisotropic photocharge separation, and introducing defects can enrich surface reactive sites. However, the relationship between piezoelectric field and surface defect or reaction kinetics remains unclear. Herein, we report piezo-activating oxygen vacancy (OVs) to regulate quantum well effect and p-band center for exceptional photocatalysis in polar BiOIO<sub>3</sub> single crystals. The introduction of piezoelectric field enhances the local charge asymmetry distribution induced by OVs, facilitating electron donating from bulk to surface I atom. Remarkably, the external strain collaborates with OVs to largely reduces the work function of its surface, and induces a larger up-shift of p-band center of I 5p orbitals in BiOIO<sub>3</sub>. It indicates a reduction in the occupancy of antibonding-orbital, facilitating the stabilization of O 2p antibonding states and formation of I-O<sub>ads</sub> bonds for strong O<sub>2</sub>/H<sub>2</sub>O adsorption. Thus, oxygen-vacant BiOIO<sub>3</sub> achieves a dramatically improved piezo-photocatalytic degradation efficiency towards various pollutants, outperforming the related piezo-photocatalysts in previous reports. This work reveals the mechanism of piezoelectric field on surface vacancy and surface electronic structure at the atomic level.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110919"},"PeriodicalIF":16.8,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713430","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}
Nano EnergyPub Date : 2025-03-26DOI: 10.1016/j.nanoen.2025.110923
Jiaming Shang , Zhentao Xiao , Mei Yang , Yijiang Liu , Duanguang Yang , Huaming Li , Bei Liu
{"title":"Halogen-bonding driven self-assembly synthesis of B/N/Cl-rich layered 3D carbon nanosheet stacks for zinc-ion hybrid supercapacitors","authors":"Jiaming Shang , Zhentao Xiao , Mei Yang , Yijiang Liu , Duanguang Yang , Huaming Li , Bei Liu","doi":"10.1016/j.nanoen.2025.110923","DOIUrl":"10.1016/j.nanoen.2025.110923","url":null,"abstract":"<div><div>Cost-efficient fabrication of heteroatom multi-doped and morphology-controllable carbon cathodes with excellent capacity for Zn-ion hybrid supercapacitor (ZICS) is highly desirable but still challenging. Herein, we demonstrate a novel halogen-bonding driven self-assembly strategy to fabricate B/N/Cl-rich layered 3D carbon nanosheet stacks, where chloroethyl amine derivatives (CAH) and ammonium pentaborate (AP) serve as C/Cl/N sources and B-containing 2D template, respectively. The halogen-bonding drives CAH and AP to construct an interconnected 3D network, endowing high B/N/Cl-codoped and layer-by-layer stacked wrinkle carbon nanosheets (ClBNC-850) with hierarchically porous structure. The resultant ClBNC-850 cathode with chlorine doping effect is pioneeringly introduced in ZISC, exampling a cogent model to clarify the cooperative effect of chlorine-induced defects and layer-stacked nanosheets for carbons in ZICS, achieving high capacity (220 mAh g<sup>−1</sup> at 1.0 A g<sup>−1</sup>) and energy density (225 Wh kg<sup>−1</sup> at 1122 W kg<sup>−1</sup>), good flexibility, surpassing the recently reported carbon-based ZICS. Meanwhile, the ex-situ characterizations and theoretical calculations reveal that the chlorine-induced defects engineering can adjust the electronic structures of the B/N-doped carbons, as active centers, enhance accessibility and adsorption-capacity of Zn<sup>2+</sup>. This approach paves a new way to construct advanced carbon cathodes with high-performance Zn-ions storage at the atom level.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110923"},"PeriodicalIF":16.8,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713431","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}
Nano EnergyPub Date : 2025-03-25DOI: 10.1016/j.nanoen.2025.110914
Yichen Dou , Cong Geng , Changyu Duan , Shenghan Hu , Xinyu Deng , Yuanyuan Chen , Anqi Kong , Yong Peng , Ziyue Qiang , Zhiliang Ku
{"title":"A vapor-assisted annealing strategy towards high-quality perovskite absorbers enabling efficient wide bandgap perovskite solar cells","authors":"Yichen Dou , Cong Geng , Changyu Duan , Shenghan Hu , Xinyu Deng , Yuanyuan Chen , Anqi Kong , Yong Peng , Ziyue Qiang , Zhiliang Ku","doi":"10.1016/j.nanoen.2025.110914","DOIUrl":"10.1016/j.nanoen.2025.110914","url":null,"abstract":"<div><div>Vapor-deposited wide bandgap (WBG) perovskite solar cells are attracting considerable interest due to their scalability and compatibility with silicon/perovskite monolithic tandem devices. However, producing high-quality WBG perovskite thin films through vapor-based techniques is challenging, primarily due to the difficulties in controlling the stoichiometric ratios and achieving uniform distribution of organic and inorganic ions. In this research, we meticulously control the doping levels of Cs and Br during the evaporation of inorganic precursors, resulting in perovskite films with optimal bandgaps for tandem applications. Then, by employing vapor-assisted pressure-controlled annealing (VA-PCA) with a combination of 4-fluorophenylmethylammonium bromide (F-PMABr) and ammonium fluoride (NH<sub>4</sub>F), we achieve homogeneous, pinhole-free WBG perovskite films of exceptional quality. This method synergistically addresses both surface and bulk defects. The incorporation of small ions and molecules mitigates halide vacancy defects and fortifies the lattice structure, effectively curbing detrimental ion migration and minimizing phase segregation in WBG perovskites. Consequently, the highest power conversion efficiency achieved by our fabricated inverted WBG perovskite solar cell is 20.10 %. Impressively, when encapsulated, the device maintains 82.3 % of its original efficiency after continuous exposure to air and illumination for 456 hours, demonstrating strong potential for applications in silicon/perovskite tandem devices.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110914"},"PeriodicalIF":16.8,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703033","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}
Nano EnergyPub Date : 2025-03-25DOI: 10.1016/j.nanoen.2025.110921
Zhisen Zhu , Mingchuan Wang , Aoyu Wang , Meng Wang , Boyi Xiong , Amèvi Tongne , Wenling Zhang
{"title":"Improved self-sensing harsh-impact absorber merging compression-torsion metamaterial with active magnetorheological effects","authors":"Zhisen Zhu , Mingchuan Wang , Aoyu Wang , Meng Wang , Boyi Xiong , Amèvi Tongne , Wenling Zhang","doi":"10.1016/j.nanoen.2025.110921","DOIUrl":"10.1016/j.nanoen.2025.110921","url":null,"abstract":"<div><div>Obtaining Efficient buffering and energy absorption under harsh impact is critical for research areas such as military, aviation, and vehicle. As a candidate solution, magnetorheological (MR) materials, capable of flexibly regulating damping and stiffness by through external magnetic field to prevent system resonance, face limitations in their energy absorption efficiency due to significant deformation under harsh impacts. To address this, the unique mechanical properties of mechanical metamaterials, exemplified by compression-torsion metamaterial (CTM), offer a promising strategy. Inspired by the energy absorption of myocardial torsion, we propose an innovative MRE/MRF absorber merged CTM. The layered structure, where the external CTM layer drives the torsional deformation of the internal MRE/MRF layer, can synergistically modulate the elastic modulus and shear modulus, thereby enhancing the energy absorption efficiency. Through theoretical analysis and simulations, optimal geometric parameters of CTM were determined, achieving a torsional absorption ratio of 21.64 %. Under simulated continuous vibration on a small-scale vibro-stand, the natural frequency was shifted from 32 Hz to 65 Hz, and the vibration acceleration attenuation rate reached 75.5 %, after applying the magnetic field. To achieve vibration identification under harsh impact, a direct current triboelectric nanogenerator (DC-TENG) sensor based on torsional deformation is designed in the interface gap between the two layers. In large-size vibro-stand tests simulating harsh impact (1<em><strong>-</strong></em>6 g), the DC-TENG sensor triggered a high voltage signal during instantaneous torsional deformation (<em><strong>a</strong></em>≥3 g), enabling magnetic field modulation and achieving an impact energy absorption efficiency of 48 %. Finally, the practical utility of this absorber was further illustrated in the context of the unmanned aerial vehicle (UAV) forced landing, where its installation increased the safe forced landing height of the UAV by 33 % (from 60 cm to 80 cm), while maintaining an impact energy absorption efficiency of 40 %. This study presents a viable solution for improving impact buffering and energy absorption in challenging environments.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110921"},"PeriodicalIF":16.8,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703035","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}
Nano EnergyPub Date : 2025-03-25DOI: 10.1016/j.nanoen.2025.110922
Jun Chen , Yutong Wang , Ben Wang , Zhenni Liu , Wenlong Chen , Zhenming Chen , Ning Zhang , Chengmei Gui
{"title":"Enhancing the accuracy of triboelectric sensor based on triboelectric material/electrode interface design strategy","authors":"Jun Chen , Yutong Wang , Ben Wang , Zhenni Liu , Wenlong Chen , Zhenming Chen , Ning Zhang , Chengmei Gui","doi":"10.1016/j.nanoen.2025.110922","DOIUrl":"10.1016/j.nanoen.2025.110922","url":null,"abstract":"<div><div>Triboelectric nanogenerator (TENG) device is widely used in the field of ultra-biometrics because triboelectric signals with unique waveform features are generated when the different materials come into contact with TENG device surface. Nevertheless, the recognition accuracy is only improved from the perspective of designing sensor structure and optimizing working mode. To address these challenges, we developed a triboelectric material/electrode interface structure design strategy that can enhance the identification accuracy of TENG-based tactile sensor. Thus, a novel TENG device with elastic polymer-encapsulated metal material structure was fabricated. Cu-plated nonwoven is fabricated and used as electrodes, which are characterized by an unordered structure with a large number of pores formed between the fibers, greatly increasing the specific surface area. There is no orientation at the micron scale, avoiding distortion of the stress-signal feature relationship. Besides, the structure of elastic polydimethylsiloxane (PDMS)-encapsulated Cu-plated nonwoven fabric results in the stability of the output signal waveform under extreme environments, which assisted in improving the durability of the output voltage and signal waveform under extreme environments. More importantly, the separation and compression between the object and triboelectric material led to the flow of electrostatic electrons and the formation of unique output signals and self-powered power. There is a clear internal relationship between the triboelectric signal feature and the material characteristics. As expected, the accuracy of identifying different materials and palms after R-CNN model training reaches 98.3 % and 98.75 %, respectively. Finally, this work provides a reliable strategy for designing smart sensors.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110922"},"PeriodicalIF":16.8,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703036","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}