Journal of Colloid and Interface Science最新文献_第8页

Development of 3D printable conductive cellulose-based hydrogel with incorporation of rGO for neural tissue engineering. 用于神经组织工程的含有氧化石墨烯的可3D打印导电纤维素水凝胶的开发。

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-18 DOI: 10.1016/j.jcis.2025.139285

Elena Usala, Zoilo Gonzalez, Noelia Campillo, José Baena, Esther Rincón, Begoña Ferrari, Alejandro Rodríguez, E Espinosa

{"title":"Development of 3D printable conductive cellulose-based hydrogel with incorporation of rGO for neural tissue engineering.","authors":"Elena Usala, Zoilo Gonzalez, Noelia Campillo, José Baena, Esther Rincón, Begoña Ferrari, Alejandro Rodríguez, E Espinosa","doi":"10.1016/j.jcis.2025.139285","DOIUrl":"https://doi.org/10.1016/j.jcis.2025.139285","url":null,"abstract":"Biofabrication techniques such as extrusion-based 3D bioprinting have transformed tissue engineering by enabling the precise deposition of biomaterials bioinks, which can be used to create complex structures. However, the development of biomaterial bioinks that exhibit mechanical integrity, biocompatibility, and functional properties such as electrical conductivity remains a major challenge. In this study, a sustainable colloidal formulation strategy is proposed for incorporating reduced graphene oxide (rGO) into cellulose nanofiber (CNF) suspensions. This strategy eliminates the need for in situ chemical reduction and reduces the resulting toxicity. By leveraging electrostatic interactions and the intrinsic colloidal stability of the system, the method enhances control over the formulation process and facilitates the development of reproducible, efficient, and cytocompatible bioinks suitable for extrusion-based 3D bioprinting. For its validation, comprehensive rheological and printability analyses were carried out. Formulations containing 0.05 % and 0.1 % rGO were identified as the optimal for extrusion-based 3D bioprinting, demonstrating high structural fidelity and resolution. Preliminary biological assays using human astrocyte stem cells have confirmed excellent cytocompatibility, thereby promoting cell adhesion, proliferation, and survival, while minimizing cytotoxic effects. The incorporation of rGO into the hydrogels resulted in the enhancement of electrical conductivity, thereby expanding their application potential in the field of electrically active tissue regeneration. In summary, the CNF-rGO hybrid bioinks developed herein represent a promising, scalable, and cytocompatibility platform for advanced neural tissue engineering and other biomedical applications requiring electrically conductive scaffolds.","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 Pt 2","pages":"139285"},"PeriodicalIF":9.7,"publicationDate":"2025-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145353142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Trienzyme-like activities nanoreactor boosts tumor ferroptosis and mild photothermal therapy via gas/starvation synergy 三酶样活性纳米反应器通过气体/饥饿协同作用促进肿瘤铁下垂和轻度光热治疗

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-17 DOI: 10.1016/j.jcis.2025.139273

Huan Du , Guiqiang Qi , Minghui Zhao , Junyu Xie , Shouping Dai , Yusong Zhang , Chunhai Gao , Kang Chen , Ran Yan , Geng Yang

{"title":"Trienzyme-like activities nanoreactor boosts tumor ferroptosis and mild photothermal therapy via gas/starvation synergy","authors":"Huan Du , Guiqiang Qi , Minghui Zhao , Junyu Xie , Shouping Dai , Yusong Zhang , Chunhai Gao , Kang Chen , Ran Yan , Geng Yang","doi":"10.1016/j.jcis.2025.139273","DOIUrl":"10.1016/j.jcis.2025.139273","url":null,"abstract":"<div><div>Mild photothermal therapy (mPTT) is often hindered by the upregulation of heat shock proteins (HSPs). To address this limitation, we designed a trienzyme-mimicking nanoreactor (MPGH) by functionalizing MnCO-loaded polydopamine (PDA) nanospheres with glucose oxidase (GOx)-doped hyaluronic acid. MPGH integrates the catalytic activities of GOx, peroxidase (POD), and glutathione peroxidase (GPX). Specifically, GOx consumes glucose to induce starvation therapy while simultaneously generating H2O2. The produced H2O2 promotes MnCO decomposition, releasing CO for gas therapy and Mn2+ to trigger mitochondrial dysfunction and reactive oxygen species (ROS) generation, thereby exhibiting POD-like activity. Meanwhile, the GPX-like activity of PDA depletes intracellular glutathione (GSH), downregulating glutathione peroxidase 4 (GPX4) to enhance ferroptosis. Importantly, both CO-mediated gas therapy and GOx-mediated starvation therapy disrupt cellular energy metabolism, reducing adenosine triphosphate (ATP) levels and suppressing HSP expression, which markedly enhances the efficacy of mPTT. This synergistic strategy of disrupting energy homeostasis demonstrated potent therapeutic outcomes against breast cancer.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"704 ","pages":"Article 139273"},"PeriodicalIF":9.7,"publicationDate":"2025-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145340016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Amine-functionalized TiO₂-supported AuPd bimetallic nanoparticles for efficient photocatalytic hydrogen generation via formic acid. 氨基功能化tio2负载的AuPd双金属纳米颗粒用于甲酸高效光催化制氢。

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-17 DOI: 10.1016/j.jcis.2025.139278

Yanfeng Zhu, Xinxin Cao, Yibo Qin, Longfei Chen, Jiong Li, Nannan Sun, Wei Wei, Manuel Arruebo, Xinqing Chen

{"title":"Amine-functionalized TiO2-supported AuPd bimetallic nanoparticles for efficient photocatalytic hydrogen generation via formic acid.","authors":"Yanfeng Zhu, Xinxin Cao, Yibo Qin, Longfei Chen, Jiong Li, Nannan Sun, Wei Wei, Manuel Arruebo, Xinqing Chen","doi":"10.1016/j.jcis.2025.139278","DOIUrl":"https://doi.org/10.1016/j.jcis.2025.139278","url":null,"abstract":"Photocatalytic dehydrogenation of formic acid (FA) is a cost-effective approach to meet the ever-increasing demand for hydrogen production; however, existing catalysts often exhibit limited activity and selectivity at room temperature. In this investigation, AuPd bimetallic nanoparticles were supported on commercially available TiO2 (P25) nanoparticles using 3-Aminopropyltrimethoxysilane (APTMS) as silane coupling agent to promote the electrostatic and covalent interactions between the catalytic noble metals and the amino groups present on the functionalized support (P25-NH2). The prepared 2 wt% Au1Pd2/P25-NH2 catalyst reached 100 % selectivity in the FA dehydrogenation reaction under full-spectrum irradiation at room temperature, exhibiting a turnover frequency (TOF) of 6058 h-1-an eightfold enhancement compared to the unmodified Au1Pd2/P25 catalyst (TOF = 771 h-1), thereby surpassing the majority of previously reported photocatalytic systems. A series of characterizations revealed three synergistic mechanisms responsible for this outstanding performance: (i) Surface amine groups adsorb and stabilize metal ions, suppressing agglomeration and achieving highly dispersed, ultrafine AuPd NPs having large surface area per volume ratio; (ii) the establishment of a Mott-Schottky junction between the support and the deposited metals enhances charge separation and directs the electrons towards the catalytic AuPd NPs; (iii) photoinduced electrons from Au are transferred to Pd through alloying, enhancing the electron density on Pd. In summary, this investigation provides a foundation for designing high-performance dehydrogenation photocatalysts, underscoring the pivotal role of surface functionalization and bimetallic alloy in optimizing catalytic architectures.","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 Pt 2","pages":"139278"},"PeriodicalIF":9.7,"publicationDate":"2025-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145353154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Laser-induced Mo valence engineering in Cu2O enables efficient nitrate electroreduction 在Cu2O中激光诱导Mo价工程实现了高效的硝酸盐电还原

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-16 DOI: 10.1016/j.jcis.2025.139255

Ye Yang , Jinlong Wei , Junli Wang , Wanqiang Yu , Jiawei Li , Yuantao Yang , Ruidong Xu , Guixiang Li , Linjing Yang

{"title":"Laser-induced Mo valence engineering in Cu2O enables efficient nitrate electroreduction","authors":"Ye Yang , Jinlong Wei , Junli Wang , Wanqiang Yu , Jiawei Li , Yuantao Yang , Ruidong Xu , Guixiang Li , Linjing Yang","doi":"10.1016/j.jcis.2025.139255","DOIUrl":"10.1016/j.jcis.2025.139255","url":null,"abstract":"<div><div>Electrolytic nitrate reduction to ammonia (NO3−RR) offers a promising alternative to the energy-intensive Haber-Bosch process, providing a lower-energy pathway for sustainable ammonia production. Here, we report a laser-assisted strategy to modulate the valence states of molybdenum in Mo-doped Cu2O (LG-Mo-Cu2O/CF). The catalyst, synthesized via hydrothermal doping followed by laser treatment, enables Mo6+ reduction of to Mo4+. The low-valent Mo species promote H2O dissociation to generate surface-bound hydrogen (*H), thereby facilitating the hydrogenation steps of NO3−RR. At a NO3− concentration of 0.1 M, the LG-Mo-Cu2O/CF catalyst delivers excellent performance, achieving an NH3 yield of 10.9 mg h−1 cm−2 and a Faraday efficiency of 94.3 % at −0.5 V vs. RHE, along with a nitrate-to-ammonia conversion rate of 93.2 %. This work highlights the potential of laser-enabled valence engineering as an effective approach to enhance the activity and selectivity of NO3−RR electrocatalysts.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 ","pages":"Article 139255"},"PeriodicalIF":9.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145321389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

How lipids suppress cavitation in biological fluids. 脂质如何抑制生物流体中的空化。

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-16 DOI: 10.1016/j.jcis.2025.139286

Marin Šako, Steven Jansen, H Jochen Schenk, Roland R Netz, Emanuel Schneck, Matej Kanduč

{"title":"How lipids suppress cavitation in biological fluids.","authors":"Marin Šako, Steven Jansen, H Jochen Schenk, Roland R Netz, Emanuel Schneck, Matej Kanduč","doi":"10.1016/j.jcis.2025.139286","DOIUrl":"https://doi.org/10.1016/j.jcis.2025.139286","url":null,"abstract":"Hypothesis: Cavitation in water under tension is often initiated at nanoscale hydrophobic surface defects that stabilize preexisting nanobubbles. We hypothesize that amphiphilic molecules, such as polar lipids, can adsorb onto these defects and suppress cavitation by removing nanobubble nucleation sites.Simulations: To test this mechanism, we performed atomistic molecular dynamics simulations in combination with classical nucleation theory to model lipid bilayers and monolayer coatings at hydrophobic surfaces containing nanoscale pits and to investigate their response to applied negative pressures.Findings: We find that lipids readily adsorb onto hydrophobic surfaces, conform to nanoscale features, and eliminate bubble-hosting cavities. This passivation shifts the cavitation-limiting step from nanobubble expansion at defects to rupture of lipid bilayers, which exhibit much higher cavitation resistance. These results provide a molecular basis for how amphiphilic additives enhance the stability of aqueous liquids against cavitation, even in the presence of unavoidable surface imperfections. This mechanism also offers a physically grounded explanation for how vascular plants sustain sap transport under substantial negative pressures despite structural heterogeneities in their water-conducting vessels.","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 Pt 1","pages":"139286"},"PeriodicalIF":9.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145342384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Site-selective alkaline metal ions electrochemical storage in porphyrin-based hydrogen-bonded organic framework. 选择性碱金属离子在卟啉基氢键有机骨架中的电化学存储。

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-16 DOI: 10.1016/j.jcis.2025.139271

Weina Xu, Zebo Deng, Xiwen Zheng, Zimin Li, Kun Huang, Siyao Zhang, Feida Zhang, Xudong Guo, Lei Zhang, Shaohua Zhu, Kangning Zhao

{"title":"Site-selective alkaline metal ions electrochemical storage in porphyrin-based hydrogen-bonded organic framework.","authors":"Weina Xu, Zebo Deng, Xiwen Zheng, Zimin Li, Kun Huang, Siyao Zhang, Feida Zhang, Xudong Guo, Lei Zhang, Shaohua Zhu, Kangning Zhao","doi":"10.1016/j.jcis.2025.139271","DOIUrl":"https://doi.org/10.1016/j.jcis.2025.139271","url":null,"abstract":"Hydrogen-bonded organic frameworks (HOFs) are considered as potential choice for future energy storage systems due to their adjustable chemistry, environmental benignity, and cost-effectiveness. However, the electrochemical reaction mechanisms of the HOFs remain elusive. Herein, we demonstrate the site-selective electrochemical storage of alkaline metal ions (Li+, Na+, and K+) in porphyrin-based hydrogen-bonded organic framework (PFC-72-Co). Through systematic experimental and theoretical investigations, three active sites are identified, namely, carbonyl site (site 1), porphyrin site (site 2), and interstitial site (site 3). The carbonyl functional group can accommodate all alkaline metal ions (Li+, Na+, K+), whereas the porphyrin and interstitial sites are selective only for Li+ ions. As a result, the monomer Co-TCPP, with its abundant active sites, is a promising anode material for potassium-ion batteries, hosting 7 K+ ions and delivering a reversible capacity of 247.6 mAh g-1. In contrast, the PFC-72-Co framework, owing to its low solubility in the electrolyte, serves as a stable anode for lithium-ion batteries, exhibiting ultrahigh cycling stability of over 10,000 cycles. This work provides new understanding of the electrochemical reaction mechanisms of organic materials for alkaline metal-ion batteries.","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 Pt 2","pages":"139271"},"PeriodicalIF":9.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145342387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Realizing tailored catalytic performance on ternary FeP-Ni5P4-CoP in-situ confined Prussian blue analogue framework for anion exchange membrane water electrolysis 在三元FeP-Ni5P4-CoP原位受限普鲁士蓝模拟框架上实现阴离子交换膜电解的定制催化性能

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-16 DOI: 10.1016/j.jcis.2025.139276

Deepanshu Malhotra , Thokchom Anjali Devi , Thanh Hai Nguyen , Van An Dinh , Nam Hoon Kim , Duy Thanh Tran , Joong Hee Lee

{"title":"Realizing tailored catalytic performance on ternary FeP-Ni5P4-CoP in-situ confined Prussian blue analogue framework for anion exchange membrane water electrolysis","authors":"Deepanshu Malhotra , Thokchom Anjali Devi , Thanh Hai Nguyen , Van An Dinh , Nam Hoon Kim , Duy Thanh Tran , Joong Hee Lee","doi":"10.1016/j.jcis.2025.139276","DOIUrl":"10.1016/j.jcis.2025.139276","url":null,"abstract":"<div><div>The development of highly efficient electrocatalysts to enhance the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in overall water splitting (OWS) has become a central focus to produce clean fuel for achieving a net-zero emission society. In this work, we introduce a novel bifunctional catalyst comprising ternary FeP-Ni5P4-CoP clusters uniformly incorporated within a Prussian blue analogue (PBA) framework (FeP-Ni5P4-CoP/PBA), with robust structural integrity, enhanced porosity, and an enlarged active surface area, thus enabling outstanding catalytic performances. The FeP-Ni5P4-CoP/PBA requires a low overpotential of 99 ± 4 mV towards HER at 10 mA·cm−2 and 300 ± 7 mV towards OER at 50 mA·cm−2 in 1.0 M KOH, surpassing its analogues. The experimental and theoretical studies indicate that the formation of ternary metal phosphide heterostructures within a porous coordination polymer framework facilitates rapid charge conductivity and desirable mass transfer and generates multiple active sites with optimum electronic properties to boost activity and stability towards HER and OER kinetics. The practicality of FeP-Ni5P4-CoP/PBA material is validated by deploying it in an anion exchange membrane water electrolyzer (AEMWE) stack, which delivers a high current density of 500 mA cm−2 at a required voltage of 2.20 ± 0.02 V at 70 °C in alkaline electrolyte and remarkable stability exceeding 500 h accompanied by insignificant voltage loss.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 ","pages":"Article 139276"},"PeriodicalIF":9.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145321325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Flexible NbSe₂/carbon nanofiber with enhanced redox kinetics for LiS batteries. 锂离子电池氧化还原动力学增强的柔性NbSe2/碳纳米纤维。

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-16 DOI: 10.1016/j.jcis.2025.139272

Xiaomei Ning, Yunyun Hong, Huahua Chen, Siping Liu, Liang Zhan, Jin Luo, Xuliang Fan, Xunfu Zhou, Xiaosong Zhou

引用次数: 0

Strong anionic polyelectrolyte brush exhibits specific ion dependent brush re-swelling in hypersaline conditions. 强阴离子聚电解质电刷在高盐条件下表现出特定的离子依赖性电刷再膨胀。

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-16 DOI: 10.1016/j.jcis.2025.139233

Geran S Dunlop, Hayden Robertson, Zachary Di Pietro, Stuart W Prescott, Andrew R J Nelson, Vincent S J Craig, Erica J Wanless, Grant B Webber

{"title":"Strong anionic polyelectrolyte brush exhibits specific ion dependent brush re-swelling in hypersaline conditions.","authors":"Geran S Dunlop, Hayden Robertson, Zachary Di Pietro, Stuart W Prescott, Andrew R J Nelson, Vincent S J Craig, Erica J Wanless, Grant B Webber","doi":"10.1016/j.jcis.2025.139233","DOIUrl":"https://doi.org/10.1016/j.jcis.2025.139233","url":null,"abstract":"Hypothesis: Hypersaline environments have been found to contain long-range electrostatic interactions, with significant implications for the behaviour of soft and interfacial systems. We hypothesise that a strong anionic polyelectrolyte brush will exhibit re-entrant swelling behaviour, such that the impact of salt on the brush response reverses, and further addition of salt leads to better solubilisation of the polymer.Experiments: The behaviour of the strong anionic poly(3-sulfopropyl methacrylate) (PSPMA) brushes was characterised using ellipsometry, quartz crystal microbalance with dissipation monitoring (QCM-D) and neutron reflectometry (NR) as a function of salt concentration up to the solubility limit of a variety of monovalent salts. These complementary techniques were used to resolve changes in brush thickness, viscoelastic properties and internal nanostructure.Findings: The brush showed non-monotonic swelling as a function of salt concentration: an initial brush collapse with increasing salt concentration was followed by re-swelling at high salt concentration, marking a re-entrant transition. The salt concentrations where this re-entrant behaviour occurs is correlated strongly with the anion's radial charge density, highlighting a pronounced anion-specific effect whereby the less charge dense anions induce re-entrant behaviour at lower concentrations. Neutron reflectometry revealed non-monotonic polymer volume fraction profiles in the underscreening regime, consistent with polymer bundling within the brush. This combined study examining the nanostructure of planar polyelectrolyte electrolyte brushes provides detailed evidence of anion-specific re-entrant behaviour in concentrated monovalent electrolytes.","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 Pt 2","pages":"139233"},"PeriodicalIF":9.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145342431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cu-based prussian blue analogs/iodine composite cathode with reversible cuI conversion for sodium metal batteries 钠金属电池用可逆cuI转换的铜基普鲁士蓝类似物/碘复合阴极

IF 9.7 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-10-16 DOI: 10.1016/j.jcis.2025.139259

Xi Wang, Fengyun Mao, Yun Gong

{"title":"Cu-based prussian blue analogs/iodine composite cathode with reversible cuI conversion for sodium metal batteries","authors":"Xi Wang, Fengyun Mao, Yun Gong","doi":"10.1016/j.jcis.2025.139259","DOIUrl":"10.1016/j.jcis.2025.139259","url":null,"abstract":"<div><div>Prussian Blue Analogs (PBAs) stood out as promising candidates for sodium metal batteries cathode, leveraging their unique open-framework architecture, straightforward synthesis, and cost-effectiveness. However, PBAs were plagued by limited capacity arising from insufficient redox-active sites. Additionally, iodine cathode with high theoretical capacity (211 mAh g−1) suffer from poor practical performance due to the shuttle effect of polyiodides and slow kinetic conversion. The complex cathode to construct conversion reaction might be a better method to improve the capacity and easy to implement. Herein, we reported the design of a Cu-based PBAs/iodine composite cathode, where the PBAs framework serves as an iodine host and a conversion reaction mechanism via copper‑iodine coupling within PBAs cavities was established to enhance capacity. Various characterization results demonstrated that the Cu-based PBAs framework enabled favorable iodine encapsulation and facilitated Cu<img>I coupling, enabling reversible conversion during charge/discharge progress. Density Functional Theory (DFT) simulations confirmed that the complexation of Cu-based PBAs with iodine represents a thermodynamically favorable process. Thereby, the assembled full battery achieved a high specific capacity of 276.4 mAh g−1 at 0.1 A g−1 and a capacity retention of 80.9 % after 1000 cycles at 0.3 A g−1. This work introduced a novel Cu-based PBAs/iodine complexed conversion cathode, offering an innovative insight for the development of high-performance sodium metal batteries.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"703 ","pages":"Article 139259"},"PeriodicalIF":9.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145321838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0