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Ag plasmon adjusted single crystal Cu2O nanoreactor array with ordered charge transport and light multiplication effect for high photocatalytic conversion of CO2
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-04-01 DOI: 10.1016/j.nanoen.2025.110930
Mengyang Xu, Chenlong Yan, Bingqing Chang, Yicong Hou, Huiqin Wang, Xianghai Song, Weiqiang Zhou, Xin Liu, Yan Yan, Jisheng Zhang, Yangyang Yang, Hisahiro Einaga, Hajime Hojo, Pengwei Huo
{"title":"Ag plasmon adjusted single crystal Cu2O nanoreactor array with ordered charge transport and light multiplication effect for high photocatalytic conversion of CO2","authors":"Mengyang Xu, Chenlong Yan, Bingqing Chang, Yicong Hou, Huiqin Wang, Xianghai Song, Weiqiang Zhou, Xin Liu, Yan Yan, Jisheng Zhang, Yangyang Yang, Hisahiro Einaga, Hajime Hojo, Pengwei Huo","doi":"10.1016/j.nanoen.2025.110930","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110930","url":null,"abstract":"Local surface plasmon resonance (LSPR) is introduced into traditional photocatalytic systems, which has become a research focus. However, there is still a huge gap in the research of LSPR effect, especially the requirement of ideal plasma carrier has not been fully elaborated and planned. Here, a single crystal Cu<sub>2</sub>O nanoreactor (Cu<sub>2</sub>O-V) was synthesized with surface modified silver nanoparticles as an optical antenna for CO<sub>2</sub> conversion. The precisely designed Cu<sub>2</sub>O single crystal structure has a highly ordered atomic arrangement and fewer grain boundary defects, which provides a high-speed electron transport path and greatly improves the stability of Cu<sup>+</sup>. Meanwhile, the vesicle structure and thin shell array formation of Cu<sub>2</sub>O-V form a \"double light trap\", showing prominent LSPR amplification effect. This allows the catalyst to be uniformly immersed in the local electromagnetic field, further increasing the rate of carrier generation and transfer. Finally, under the synergistic action of \"double light trap\" and LSPR, Ag<sub>5%</sub>-Cu<sub>2</sub>O-V shows first-class performance and excellent stability. A small amount of C<sub>2</sub>H<sub>4</sub> was also detected. This study reveals the effect of a single crystal Cu<sub>2</sub>O catalyst characterized by a high-speed electron transport channel and vesicle array structure combined with LSPR on the photoreactivity.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"55 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745187","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
Enhanced Mesenchymal Stem Cells-derived Exosomes Secretion by Electrical Stimulation of Triboelectric Nanogenerator
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-04-01 DOI: 10.1016/j.nanoen.2025.110933
Shanguo Zhang, Tianyi Jiang, Haoxiu Sun, Ming Li, Depeng Yang, Wenlong Wu, Qi Gu, Aitong Xu, Yu Li, Hongyuan Jiang
{"title":"Enhanced Mesenchymal Stem Cells-derived Exosomes Secretion by Electrical Stimulation of Triboelectric Nanogenerator","authors":"Shanguo Zhang, Tianyi Jiang, Haoxiu Sun, Ming Li, Depeng Yang, Wenlong Wu, Qi Gu, Aitong Xu, Yu Li, Hongyuan Jiang","doi":"10.1016/j.nanoen.2025.110933","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110933","url":null,"abstract":"Exosomes derived from mesenchymal stem cells (MSCs) exhibit immunomodulatory, tissue repair, anti-inflammatory, and anti-aging properties, making them valuable tools in cell therapy and regenerative medicine. Electrical stimulation shows promise for enhancing exosome production; however, current methods rely on large, expensive power supplies to generate electrical signals. These systems are prone to electrode electrolysis and bubble formation in the buffer solution. In this study, we propose a novel self-powered method based on triboelectric nanogenerators to enhance exosome production from MSCs. This approach utilizes the triboelectric effect to generate an electrical output with an open-circuit voltage of 1800V and a short-circuit current of 88<!-- --> <!-- -->µA, effectively avoiding harmful electrochemical reactions. By optimizing parameters such as current strength, electrical stimulation duration, and treatment cycles, exosome production is increased by up to 3.2 times. Further investigations reveal that the enhanced exosome production is closely linked to calcium ion influx. Moreover, exosomes produced under electrical stimulation retain their biological activity and significantly promote wound healing. Thus, this self-powered, portable, and efficient electrical stimulation method holds significant potential for advancing exosome production.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"65 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758595","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
Breathable, Antibacterial, and Highly Sensitive Tribo-Sensors using HOF Embedded Nanofibers for Movements Monitoring and Injury Prevention
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-04-01 DOI: 10.1016/j.nanoen.2025.110936
Han Zhang, Huidan Wei, Sai Yan, Xuechen Wu, Shengyuan Yang, Peng Li, Hengxue Xiang, Ran Cao, Meifang Zhu
{"title":"Breathable, Antibacterial, and Highly Sensitive Tribo-Sensors using HOF Embedded Nanofibers for Movements Monitoring and Injury Prevention","authors":"Han Zhang, Huidan Wei, Sai Yan, Xuechen Wu, Shengyuan Yang, Peng Li, Hengxue Xiang, Ran Cao, Meifang Zhu","doi":"10.1016/j.nanoen.2025.110936","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110936","url":null,"abstract":"Physical activity is essential for physical health and mental well-being, while improper movements can cause serious injuries. To address this challenge, we developed a sweat-resistant, breathable, and antibacterial triboelectric sensor (BATS) for instantaneously monitoring of physical movements and reducing injury risks. The BATS was created using a hydrogen-bonded organic framework (HOF-101-F) embedded within polyvinylidene fluoride (PVDF) nanofibers. The resultant BATS system, when coupled with a logic circuit, will issue immediate warnings for improper movements or gestures, aiding in injury prevention. The BATS also present an excellent antibacterial property. The photoactive HOF-101-F generates singlet oxygen (<sup>1</sup>O<sub>2</sub>), achieving over 90% antibacterial efficacy against <em>E. coli</em> and inhibiting microbial growth under sweaty conditions during physical activity. Additionally, the incorporation of HOF-101-F enhanced the electrical output of the BATS by 250% compared to pure PVDF. Entirely fiber-based and air-permeable, the BATS can be integrated into sportswear. With its superior comfort, antibacterial efficacy, and exceptional sensitivity, the BATS hold significant promise for personalized health management.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"33 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745186","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
Fe3O4/Fe2N Heterostructured Hollow Microspheres as Functional Electrocatalysts for High Stability Lithium-Sulfur Batteries
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-04-01 DOI: 10.1016/j.nanoen.2025.110949
Yebao Li, Fangjun Lu, Kai Zong, Jiayi Wang, Li Pan, Yihang Nie, Xingbo Wang, Yi Yang, Lin Yang, Mingliang Jin, Xin Wang, Zhongwei Chen
{"title":"Fe3O4/Fe2N Heterostructured Hollow Microspheres as Functional Electrocatalysts for High Stability Lithium-Sulfur Batteries","authors":"Yebao Li, Fangjun Lu, Kai Zong, Jiayi Wang, Li Pan, Yihang Nie, Xingbo Wang, Yi Yang, Lin Yang, Mingliang Jin, Xin Wang, Zhongwei Chen","doi":"10.1016/j.nanoen.2025.110949","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110949","url":null,"abstract":"Lithium-sulfur batteries (LSBs) are considered as a promising candidate for next-generation energy storage device due to the high theoretical capacity, giant energy density, affordability, and environmental friendliness. However, the notorious shuttle effect and poor redox kinetics of lithium polysulfide (LiPS) tremendously hinder their commercial application. Herein, we have developed a Fe<sub>3</sub>O<sub>4</sub>/Fe<sub>2</sub>N heterostructure by growing Fe<sub>2</sub>N in situ on the surface of Fe<sub>3</sub>O<sub>4</sub> hollow microspheres as a cathode electrocatalyst. This heterostructure effectively integrates the immobilization of sulfur species and reinforced redox transformation kinetics, enhancing the high-rate capability and reversible cycling lifetime. The Fe<sub>3</sub>O<sub>4</sub> hollow microspheres enhance chemisorption sites and inhibit the shuttle of polysulfide. Meanwhile, incorporating Fe<sub>2</sub>N significantly accelerates the kinetics and thermodynamics of multistep polysulfide redox reactions. These advantages are confirmed through operando characterizations and electrochemical tests, demonstrating enhanced adsorption interactions and accelerated LiPS redox reactions. Also, this configuration provides excellent conductivity and enables high charge transfer efficiency. Leveraging these merits, a coin cell assembled with Fe<sub>3</sub>O<sub>4</sub>/Fe<sub>2</sub>N heterostructure shows a decent initial capacity of 1128.37 mAh g<sup>-1</sup> at 0.2<!-- --> <!-- -->C, while the reversible capacity over 100 cycles attained 900.34 mAh g<sup>-1</sup>. Furthermore, the average specific capacity fade is as low as 0.0391% per cycle after 1000 cycles at 1<!-- --> <!-- -->C.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"15 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758533","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
A highly efficient self-powered air purification system based on high-voltage-applicable DC triboelectric nanogenerator
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-04-01 DOI: 10.1016/j.nanoen.2025.110947
Shujun Zhang, Ping Liu, Haimao Zhu, Shijing Yang, Yubei Wei, Jiancheng You, Xiude Yang, Gaobo Xu, Qunliang Song
{"title":"A highly efficient self-powered air purification system based on high-voltage-applicable DC triboelectric nanogenerator","authors":"Shujun Zhang, Ping Liu, Haimao Zhu, Shijing Yang, Yubei Wei, Jiancheng You, Xiude Yang, Gaobo Xu, Qunliang Song","doi":"10.1016/j.nanoen.2025.110947","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110947","url":null,"abstract":"Particulate matter (PM) pollution can lead to various diseases and poses a critical threat to human health, which can be effectively mitigated through high-voltage dust removal. The high voltage and low current output of triboelectric nanogenerators (TENGs) can avoid safety problems generated from normal high-voltage sources. However, conventional alternating current TENGs (AC-TENGs) are not a good choice for ionizing air without rectifiers. The newly developed electrostatic breakdown ternary direct-current TENG (EBT-DC-TENG) is a simple and low-cost structure to be used in dust removal. However, spark discharge occurs between the back electrodes of the EBT-DC-TENG when connected to heavy loads, which limits its high-voltage applications. Here, we improved its high-voltage application range by addressing this issue. By integrating the optimized EBT-DC-TENG with a dust removal device, we have demonstrated an effective and safe indoor dust removal system. The optimized EBT-DC-TENG achieves a maximum open-circuit voltage (V<sub>oc</sub>) of 18<!-- --> <!-- -->kV and generates 1.28 × 10<sup>13</sup> negative air ions per second by driving copper needles at 100<!-- --> <!-- -->rpm. This system can reduce PM2.5 concentration from 999 to 50<!-- --> <!-- -->µg/m³ in just 300<!-- --> <!-- -->seconds within an 18000<!-- --> <!-- -->cm³ air chamber. It offers a safe and sustainable solution for improving indoor air quality to protect human health.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"26 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758534","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
Mitigating Electrode Polarization through Electrolyte Concentration Optimization
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-04-01 DOI: 10.1016/j.nanoen.2025.110950
Weibin Chen, Kai Wang, Xuanlong He, Xi Chen, Tao Huang, Jing Chen, Weiyuan Huang, Xuming Yang, Xiangzhong Ren, Xiaoping Ouyang, Jianhong Liu, Feng Pan, Biwei Xiao, Qianling Zhang, Jiangtao Hu
{"title":"Mitigating Electrode Polarization through Electrolyte Concentration Optimization","authors":"Weibin Chen, Kai Wang, Xuanlong He, Xi Chen, Tao Huang, Jing Chen, Weiyuan Huang, Xuming Yang, Xiangzhong Ren, Xiaoping Ouyang, Jianhong Liu, Feng Pan, Biwei Xiao, Qianling Zhang, Jiangtao Hu","doi":"10.1016/j.nanoen.2025.110950","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110950","url":null,"abstract":"High-loading electrodes are crucial for attaining elevated high energy density in the industrial applications of lithium-ion batteries. However, a rise in electrode loading correlates with an elevation in electrode tortuosity. The elevated tortuosity of the transport pathway may result in a discrepancy between ion transport and electrode reaction, leading to excessive or incomplete reactions of localized particles, creating concentration gradient phenomena, and ultimately causing capacity loss. Research on high-loading electrodes mostly concentrates on the regulation of electrode structure and material modification, while investigations into electrolyte concentration predominantly emphasize solvation structures; however, the correlation between electrolyte concentration and high-loading electrodes has been inadequately explored. This study examines the effect of electrolyte concentration on the electrochemical performance of high-loading LiNi₀.₈₃Mn₀.₁₂Co₀.₀₅O₂ (NMC83) electrode. Utilizing pore network modeling (PNM), high-resolution techniques, and pore equivalent diameters (EqD) analysis to compare ion transport pathways and abilities under different electrolyte concentrations. It was observed that a concentration of 1.5<!-- --> <!-- -->M in the conventional electrolyte can establish a more efficient percolation channel and provide sufficient lithium ions to achieve a balance between ion transport and electrode reaction, thereby alleviating the inherent concentration polarization of high-loading electrodes.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"98 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758596","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
Stretchable Transparent Electrodes Based on Metal Grid Hybrids for Skin-like Multimodal Sensing and Flexible Touch Panel
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-04-01 DOI: 10.1016/j.nanoen.2025.110942
Sheng Yang, Yu-Jie Cao, Kai Han, Jun-Tao Guo, Pei-Ling Zheng, Lai-Yuan Wang, Tao Cheng, Yi-Zhou Zhang, Wen-Yong Lai
{"title":"Stretchable Transparent Electrodes Based on Metal Grid Hybrids for Skin-like Multimodal Sensing and Flexible Touch Panel","authors":"Sheng Yang, Yu-Jie Cao, Kai Han, Jun-Tao Guo, Pei-Ling Zheng, Lai-Yuan Wang, Tao Cheng, Yi-Zhou Zhang, Wen-Yong Lai","doi":"10.1016/j.nanoen.2025.110942","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110942","url":null,"abstract":"The rapidly growing field of intelligent wearable optoelectronics demands the creation of stretchable transparent electrodes (STEs) that combine exceptional optoelectronic performance, outstanding mechanical stretchability, and advanced sensing capabilities. Nevertheless, achieving these attributes simultaneously is challenging because of the inevitable deterioration of electrical and sensing properties caused by delamination and fracturing of conductive materials during stretching. Herein, a novel type of STEs has been developed using interlocking metal grid hybrids, achieved through interface modification assisted transfer of the inkjet printed serpentine metal grids into elastic substrates. The STEs simultaneously exhibit outstanding optoelectronic performance (<em>T</em>: 84.8%, <em>R</em><sub>s</sub>: 29.9 Ω sq<sup>-1</sup>), excellent mechanical stretchability and multiperceptivity. As an effective means to visualize the stress distribution, finite element analysis (FEA) has been developed to thoroughly elucidate the intrinsic stretching mechanisms. This exceptional performance allows the STEs to serve as flexible touch panels and wireless skin-like sensors for multimodal sensing, including temperature monitoring and biophysical signal acquisition, paving the way for future flexible wearable electronics.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"22 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758614","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
Ultrasound-Enhanced Piezoelectric Nanogenerators for Wireless Electrostimulation Therapy in the Wound Healing
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110940
Xingxing Shi, Binying Peng, Xu Cai, Shuidong Zhang, Yingxin Chen
{"title":"Ultrasound-Enhanced Piezoelectric Nanogenerators for Wireless Electrostimulation Therapy in the Wound Healing","authors":"Xingxing Shi, Binying Peng, Xu Cai, Shuidong Zhang, Yingxin Chen","doi":"10.1016/j.nanoen.2025.110940","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110940","url":null,"abstract":"Skin wounds present a major clinical challenge due to their complex healing process, and electrostimulation therapy has emerged as a promising approach to enhance wound healing by simulating the endogenous electric field microenvironment. Herein, we have successfully synthesized functionalized barium titanate (BT@CDs@ArPFTU) nanoparticles via surface modification and incorporated into poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF–TrFE)) to fabricate flexible piezoelectric P(VDF–TrFE)/BT@CDs@ArPFTU films through electrospinning. FT-IR, XRD, and DSC tests show that the incorporation of BT@CDs@ArPFTU nanoparticles endows P(VDF–TrFE) films with higher crystallinity and β-phase content, and thus attains good piezoelectric properties. The electrical performance of piezoelectric nanogenerations (PENGs) were thoroughly investigated by assembling piezoelectric films with copper electrodes. P(VDF–TrFE)/BT@CDs@ArPFTU PENGs exhibit excellent electrical performance and demonstrate potential for wireless electrostimulation of wound sites. Furthermore, the piezoelectric P(VDF–TrFE)/BT@CDs@ArPFTU films can promote cell proliferation and migration, and accelerate wound healing under wireless electrostimulation by the expression of the lowest CD68 level and the highest CD31 level. Our systematic work could provide a promising new direction for the fabrication of high-performance sono-PENGs and wireless electrostimulation therapy for wound healing.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"21 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143737054","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
Band tilt with enhanced charge separation induced by Nb-doped piezoelectric to boost photocatalysis
IF 16.8 1区 材料科学
Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110929
Weiguang Han , Xiaodong Zhang , Hui Li , Yang Fu , Boxiong Shen , Sheng-Qi Guo , Tianyi Ma
{"title":"Band tilt with enhanced charge separation induced by Nb-doped piezoelectric to boost photocatalysis","authors":"Weiguang Han ,&nbsp;Xiaodong Zhang ,&nbsp;Hui Li ,&nbsp;Yang Fu ,&nbsp;Boxiong Shen ,&nbsp;Sheng-Qi Guo ,&nbsp;Tianyi Ma","doi":"10.1016/j.nanoen.2025.110929","DOIUrl":"10.1016/j.nanoen.2025.110929","url":null,"abstract":"<div><div>Activating the inherent piezoelectric effect of materials as an auxiliary driving force for photocatalytic performance is considered a reliable approach for developing a new generation of efficient photocatalytic systems, but research on modification strategies for optimizing piezoelectric performance is still in its infancy. In this work, we developed Nb-doped NaNbO<sub>3</sub> (N-NNO-4) piezoelectric based on self-doping strategy. Under the combined action of ultrasonic vibration and solar light irradiation, N-NNO-4 can generate high concentrations of hydroxyl radicals (•OH) in water environment, thereby achieving excellent oxidation performance. N-NNO-4 exhibits excellent piezo-photocatalytic performance in water pollution control applications. The reaction kinetic coefficients of its use as a piezo-photocatalyst for purifying common plasticizers dimethyl phthalate are 8.5 times and 6.8 times those of its use as a photocatalyst and piezocatalyst, respectively, and 17 times that of undoped NaNbO<sub>3</sub> (NNO) piezo-photocatalyst. Mechanism analysis shows that the excellent piezo-photocatalytic performance is not only attributable to the efficient charge separation efficiency induced by Nb-doped and the improved charge transfer ability, but also originate from the synergistic effect of band tilt caused by piezoelectric effect and efficient activation of interface H<sub>2</sub>O caused by Nb-doped. The synergistic effect opens up new channels for •OH generation and significantly intensifies the formation of •OH. The present study explores the feasibility of constructing an efficient piezoelectric photocatalytic system based on self-doping strategy, providing theoretical reference and experimental basis for utilizing green energy in nature to achieve sustainable environmental protection and development.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110929"},"PeriodicalIF":16.8,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745250","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
Exploring the chemical adhesive effect of tin foil to double the lifetime of the solid-state lithium battery
IF 17.6 1区 材料科学
Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110938
Qiqi Zhou, Cong Zhong, Shiqi Wang, Pengfei Jiang, Lifan Wang, Jiangfeng Qian, Chun Zhan
{"title":"Exploring the chemical adhesive effect of tin foil to double the lifetime of the solid-state lithium battery","authors":"Qiqi Zhou, Cong Zhong, Shiqi Wang, Pengfei Jiang, Lifan Wang, Jiangfeng Qian, Chun Zhan","doi":"10.1016/j.nanoen.2025.110938","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110938","url":null,"abstract":"The growth of lithium dendrite in solid-state electrolytes (SSE) poses a significant challenge to the commercialization of solid-state battery (SSB). While previous research has largely concentrated on enhancing the ionic conductivity and electrochemical stability of SSE, the mechanical properties of the SSE/Li interface, a critical factor in suppressing dendrite initiation and propagation, have received inadequate attention. To address this gap, this work develops an interface modification strategy to enhance both adhesion and elasticity at the SSE/Li interface, thereby ensuring a robust interface during prolonged cycling. Specifically, tin foil is introduced into the SSE/Li interface to form the Li-Sn alloy during cycling. The resulted Li-Sn alloy ensures intimate SSE/Li contact through chemical adhering effect and simultaneously provides a 35-fold increase in elasticity compared to cycled Li electrode, effectively inhibiting the growth of Li-dendrite. Furthermore, the introduction of tin foil mitigates the occurrence of side reactions at SSE/Li interface. As a result, the LFP/LATP/Sn/Li cell (300 cycles, 83.9% capacity retention) demonstrates doubled lifetime of LFP/LATP/Li cell (155 cycles, 80% capacity retention) at 0.5<!-- --> <!-- -->C. Moreover, the full cell and symmetrical cell exhibits robust cycling performance at higher rate, sustaining over 300 cycles at 1.5<!-- --> <!-- -->C and 400<!-- --> <!-- -->h at 0.5<!-- --> <!-- -->mA/cm<sup>2</sup>. Compared with previous studies, this work not only emphasizes the critical role of the mechanical properties of the SSE/Li interface in determining interface stability, but also provides a valuable guide to how the lithium alloy interlayer enhances electrochemical stability.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"557 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745193","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
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