ACS Applied Materials & Interfaces
·
2026
·
IF 7.8
Linqing Wang,Huahui Zhao,Jun Li,Siyu Wang,Shi Zhou,Xiaoyi Chen,Jiali Liu,Li Yang,Hong Liu,Xianyou Wang
All-solid-state fluoride-ion batteries (ASSFIBs) integrate high theoretical energy density, high safety characteristics, and low manufacturing costs, making them a promising candidate for next-generation energy storage technologies. However, the intrinsic shortcomings of high-performance fluoride-ion solid electrolytes severely limit their practical application. Herein, a potassium/strontium dual-doping strategy is designed to synthesize the fluoride-ion conductor β-Pb0.88Sr0.08K0.04F1.96 with a fluorite structure via a straightforward solid-state reaction method. It has been found that KF doping can introduce abundant fluorine vacancy defects to effectively enhance vacancy concentration, while SrF2 and PbF2 can form a continuous solid solution that not only disperses fluorine vacancies generated by K+ doping and suppresses defect aggregation to significantly enhance phase stability, but also induces moderate lattice distortion through the incorporated Sr2+. Through reconfiguration of the local coordination environment of F–, the electrostatic interaction between F– and Pb2+ can be weakened, thereby reducing the ionic migration energy barrier. Owing to the higher vacancy concentration and lower migration barrier, the as-prepared material exhibits a high ionic conductivity of 4.77 × 10–4 S·cm–1 at room temperature, exceeding most reported fluoride ion conductors. ASSFIBs assembled with the fluoride ion conductor as the solid electrolyte present a discharge specific capacity of approximately 132.5 mAh·g–1 over 400 cycles and a capacity retention rate of 97.4%. Therefore, this work offers unique insights into the rational design of PbF2-based solid electrolytes featuring both high ionic conductivity and exceptional phase stability.
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Nature Sustainability
·
2026
·
IF 32.1
Zhao Chang-Xin,Li Zheng,Zhang Daoning,Zhang Nan,Zhang Qiu,Wang Zeyi,Li Yue,Chen Yawei,Wang Chunsheng
Fast charging and low-temperature operation are essential for next-generation energy storage. However, high-energy batteries struggle to meet these demands as existing electrolytes cannot simultaneously deliver fast interfacial kinetics, high ionic conductivity and favourable interphase formation. Prevailing strategies focus on weakening thermodynamic solvation, yet this approach does not directly address the kinetic bottleneck, that is, the desolvation barrier governing interfacial charge transfer. Here we reveal that the desolvation kinetics are dictated by dynamic solvent exchange rather than thermodynamic solvation energy. Guided by this mechanistic insight, we have formulated an electrolyte in which two anions carry distinct anionic potentials: high-anionic-potential anions form contact ion pairs that accelerate solvation-exchange kinetics, while low-anionic-potential anions form solvent-separated ion pairs that sustain high bulk ionic conductivity. The electrolyte enables fast charging and low-temperature operation in high-loading lithium-ion batteries. The design principle was further validated in aqueous aluminium-ion electrochemical systems, underscoring its broader relevance to sustainable, resource-abundant battery chemistries beyond the lithium ion. Together, our findings establish a new electrolyte design paradigm that decouples interfacial and bulk transport properties and expands the design space of battery electrolyte systems.
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ENVIRONMENTAL SCIENCE & TECHNOLOGY
·
2026
·
IF 12.2
Ren Jing,Chen Xinran,Thet Ko,Wang Zhiwei,Crittenden John C.,Tong Xin
Precise monovalent ion sieving is
essential for water
treatment
and resource recovery. However, ion selectivity reported from diffusion-based
and electro-driven membrane processes is often inconsistent and difficult
to reconcile due to unclear mechanistic understanding. Herein, combining
experiments with molecular dynamics (MD) simulations, we reveal divergent
microscopic mechanisms governing monovalent ion selectivity in graphene
oxide (GO) nanochannels under different driving forces. Under concentration
gradient-driven diffusion, ion selectivity is predominantly regulated
by hydration-mediated effects (i.e., partial ion dehydration and dehydration-induced
ion–membrane interactions) and cation–anion interaction.
Specifically, in simulated defect-free GO nanochannel, Li + , with higher hydration energy and charge density than Na + , possesses a more intact hydration shell and stronger cation–anion
interaction, which limit partitioning but reduce transport resistance,
resulting in a Li + /Na + selectivity of 3.3. Conversely,
under electric field-driven electromigration, a reversed selectivity
(Li + /Na + = 0.4) occurs due to enhanced cation–anion
associations, where stronger Li + –Cl – pairing suppresses both cation partitioning and mobility, generating
ion association-dominated selectivity. These results demonstrate that
ion selectivity is not an intrinsic membrane property but is strongly
governed by the driving-force-dependent transport mechanism. This
study resolves the long-standing incomparability in ion selectivity
across different separation systems and provides mechanistic guidance
for designing next-generation membranes with tailored ion selectivity.
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Batteries & Supercaps
·
2026
·Vol. 9
·期 8
·e70433
·
IF 4.5
Keke Xie,Zhihui Zhang,Qian Chang,Changshui Huang,Feng He,Yuliang Li
The charge transfer at heterointerface can significantly influence the sodium-storage kinetics and durability of metal–oxide anodes for sodium ion battery. Here, this study reported the in situ fabrication of FGDY@SnO 2 nanotube arrays electrode directly on a copper foil current collector. The FGDY/SnO 2 heterointerface composed by fluorinated graphdiyne (FGDY) confined tin dioxide (SnO 2 ) nanotube arrays feature incomplete interfacial charge transfer, with electrons transferred from FGDY to SnO 2 , creating a locally modulated electronic environment that accelerates Na + transport and interfacial redox kinetics. Combined experimental and theoretical calculations have systematically revealed the synergistic advantages of the advanced FGDY@SnO 2 electrode in terms of improving electrochemical reaction kinetics, stabling solid–electrolyte interphase and electrode structure. Thus, the FGDY@SnO 2 anodes show high rate-performance and stability. At a high current density of 5 A g −1 , FGDY@SnO 2 can achieve a sodium storage capacity of 563.8 mAh g −1 . This work provides a material design paradigm for the fabrication of high-rate and long-cycle-life Sn-based anode toward advanced sodium-ion batteries. Graphical An innovative electrode with hybridized structure (FGDY@SnO 2 ), fabricated from tin dioxide (SnO 2 ) nanotube arrays with a fluorinated graphdiyne (FGDY) decorating layer, synergistically enhances sodium storage performance via structural design and interfacial engineering. The interfacial charge transfer promotes the kinetics of sodium ions and the advanced architecture endows remarkable longevity of sodium-ion batteries.
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Advanced Science
·
2026
·
IF 14.1
Bingzhi Li,Bingce Liu,Enyu Guo,Zhihao Zhou,Yibo Ouyang,Xiao-Bo Chen,Huijun Kang,Zongning Chen,Tongmin Wang
Designing coatings with a wide spectrum of functions such as self-healing, liquid repellency, anticorrosion, and a high level of mechanical robustness is crucial in engineering applications. However, simultaneously meeting two or more conflicting requirements remains a challenge. In this work, a holistic, skin-inspired tri-layer coating is proposed to resolve the conflicting requirements of self-healing, liquid repellency, and corrosion resistance in hydrophilic polymer materials. The rational design of multiple gradients in self-healing, wetting, and strength endows a sustained liquid repellency, corrosion resistance, and self-healing even under harsh environments, as well as strong adhesion with metal substrate. The skin-inspired tri-layer coating exhibits complete self-healing even in harsh aqueous environments, owing to the synergistic interaction between layers. The tri-layer structure consists of a hydrophobic epidermis-like barrier layer, a hydrophilic self-healing polymer middle layer, and a micro-arc oxidation porous base layer that provide strong interfacial adhesion and mechanical support. The hydrophilic polymer layer, composed of polyvinyl alcohol and tannic acid, rapidly repairs damaged coating regions through hydrogen bonding and diffusion, triggered by water molecules. Meanwhile, the hydrophobic outer layer acts as a sealing barrier, limiting excessive diffusion of the hydrophilic polymer. Such an integrated skin-inspired coating strategy provides new insights into design and manufacturing multifunctional polymeric coatings to tackle the critical challenges in a variety of engineering services.
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POLYMER DEGRADATION AND STABILITY
·
2026
·
IF 8.1
Guangxin Chu,Yifu Zhang,Bo Yuan,Zeyu Zheng,Jingwen Xu,Zilong Zhang,Shengping Yi,Jun Liao,Chi Huang
Conventional base catalysts such as KOH often suffer from low yields and multiple side reactions in the degradation of polydimethylsiloxane (PDMS) to produce high-value dimethyl cyclosiloxane (DMC). To overcome these limitations, a novel supramolecular catalyst-[K(cryptand[2.2.2])]F-was designed and synthesized in this work by utilizing the coordination interaction between KF and cryptand[2.2.2]. In this structure, K⁺ forms a stable coordination bond with the cryptand, which effectively weakens the electrostatic interactions within KF, thereby significantly promoting the dissociation and nucleophilic reactivity of F⁻ in the organic phase and resulting in a highly efficient supramolecular catalytic system. The use of a DMSO/n-octadecyl alcohol mixed solvent not only facilitated a homogeneous reaction between PDMS and the catalyst but also reduced the solvation effect on F⁻, further enhancing its catalytic performance. Experimental results show that with only 1% [K(cryptand[2.2.2])]F loading, the cyclic monomer yield from PDMS cleavage reached 95%, with DMC selectivity exceeding 99.5%. Moreover, the catalyst retained high activity over ten consecutive cycles, maintaining a yield above 93% and demonstrating excellent stability. Additionally, an improved Dean-Stark trap was used to construct a continuous production system capable of synthesizing DMC under low solvent-circulation conditions. This study presents a new and efficient catalytic strategy for the green and high-value upcycling of silicone waste, offering promising prospects for advancing a circular economy in the silicone industry.
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Laser & Photonics Reviews
·
2026
·
IF 9.7
Shasha Wang,Xinxin Han,Dongxi Liu,Linghang Kong,Tao Hu,Qilin Wei,Hui Peng,Ruosheng Zeng,Bingsuo Zou
Conventional storage scintillators are plagued by rapid information fading during X-ray real-time imaging at room temperature, a consequence of intense X-ray excited persistent luminescence (XEPL) from high-density shallow traps. To address this limitation, we demonstrate a synergistic band/trap engineering strategy in RbCdF 3 :Mn 2+ via Cs + /Eu 3+ co-doping. Specifically, Cs + doping narrows the bandgap, increasing the carrier density for radiative recombination and boosting the radioluminescence (RL) intensity to 1000%. In parallel, Eu 3+ doping introduces charge-compensated defect clusters ( 2 E u C d · − V C d ′ ′ $2Eu_{Cd}^ \cdot - V_{Cd}^{^{\prime\prime}}$ ) that elevate the deep trap density to 933%. This synergistic optimization yields a high-performance scintillator exhibiting an RL intensity of 625% relative to BGO, an ultra-low detection limit of 102.3 nGy s −1 , and an ultra-weak room-temperature XEPL that is visually undetectable and weaker than commercial LuAG:Ce. Notably, the regulatory effect of this co-doping strategy is demonstrated to be universal across the ABF 3 :Mn 2+ series. Furthermore, a flexible scintillator film fabricated from this material achieves an ultra-high spatial resolution of 22.7 lp mm −1 , substantially surpassing most reported counterparts. It enables both ghost-free X-ray real-time imaging and stable multi-cycle X-ray time-delay imaging (XTDI) via thermal stimulation. This work establishes a versatile material design platform for high-performance, low-dose X-ray imaging in both real-time and delayed modes.
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Journal of Magnesium and Alloys
·
2026
·
IF 15.8
Bingce Liu,Bingzhi Li,Enyu Guo,Zhihao Zhou,Yibo Ouyang,Xiao-Bo Chen,Huijun Kang,Zongning Chen,Tongmin Wang
Lightweight alloys have gained prominence in weight-critical applications, however their susceptibility to corrosion and inability to mitigate surface ice accumulation remain significant limitations. In this study, these challenges are addressed by developing a photothermal self-healing, solid-like super-slippery coating using magnesium-lithium (Mg-Li) alloy as a substrate. Through synchrotron tomography, the mechanically cross-linked architecture of the cured super-slippery coating integrated with a micro-arc oxidation (MAO) layer is revealed. Experimental results demonstrate that the coating achieves autonomous repair under natural sunlight. In-situ metallographic microscopy further captures dynamic paraffin redistribution during the self-healing process. The contact angle of the FSSC-MAO coating reaches 100 ° , which effectively reduces the actual contact area between surface droplets and the coating and extending surface icing time by fivefold, while the active photothermal functionality enables rapid de-icing (outdoor temperature: −8°C) via sunlight exposure. Outdoor field tests validate the coating’s dual capability in corrosion resistance and ice mitigation, highlighting its potential for real-world applications in low-temperature environment.
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COMPUTERS AND ELECTRONICS IN AGRICULTURE
·
2026
·
IF 10.3
Liru Yan,Bianxiang Zhang,Wei Zhou,Chao Feng,Caihong Zhang,Yan Zhang,Shaomin Shuang,Lihong Shi
Highly-intelligent user-friendly sensing strategies are becoming desperately demanded and indispensable in under-developed nations and resources-insufficient areas. Herein, an intelligent sensing platform has been successfully established incorporating smartphone with machine vision and deep learning function, 3D-printed handheld device, and paper microfluidic chip stained with tri-emission ratiometric-fluorescence (FL) carbon dots (TCDs). The intelligent system can quantify zinc ion (Zn 2+ ) and ethylenediaminetetraacetic acid (EDTA) only through a single-step operation on smartphone. TCDs, engendering bright blue and cyan FL as well as weak red one at 370 nm excitation, were prepared hydrothermally using tartaric acid and alizarin carmine. As-prepared TCDs exhibit continuous FL color transformation from blue to purple to blue with the addition of Zn 2+ and EDTA. Subsequently, TCDs-based paper chip is explored to enable field-portable sequential discrimination of Zn 2+ and EDTA. Intriguingly, the proposed sensor is utilized for fast and intelligent quantification of Zn 2+ and EDTA in soil filtrate, plant sap and tap water with a low detection limit of 3.8 μM and 7.9 μM, as well as wide linear correlations of 0–280 µM and 0–560 µM, respectively. It is eagerly anticipated that our methodologies will become the strong impetus for new round of technological transformation for analyte assay.
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JOURNAL OF ELECTRONIC MATERIALS
·
2026
·Vol. 55
·期 9
·7684-7697
·
IF 2.8
Wang Guangping,Li Jie,Liu Jianhua,Yang Zhenhua
The primary crystallization temperature of an electrolyte is a critical parameter in the aluminum electrolysis process, determining the operating temperature of the electrolytic process. Therefore, the initial crystallization temperature is one of the most critical physicochemical properties of the electrolyte in the electrolytic aluminum process. However, the Na 3 AlF 6 -AlF 3 electrolyte system, which is predominantly used in industrial electrolysis systems, operates at high temperatures. Lowering the electrolysis temperature would lead to numerous issues, including reduced current efficiency and increased cell voltage. Therefore, we propose low-temperature aluminum electrolysis in the Na 3 AlF 6 -K 3 AlF 6 -Li 3 AlF 6 -AlF 3 -KF-Al 2 O 3 electrolyte system. The synergistic effect of K 3 AlF 6 and Li 3 AlF 6 on the initial crystallization temperature within this system was investigated. Results indicate that at a cryolite molar ratio (CR) of 1.7–2, each unit of K 3 AlF 6 added reduces the initial crystallization temperature by an average of 2–4°C, while each unit of Li 3 AlF 6 added lowers it by an average of 0.5–3.5°C. Analysis of the cold-quenched electrolyte phases indicates the formation of phases such as Na 5 Al 3 F 14 , K 2 NaAlF 6 , and Na 2 LiAlF 6 within the electrolyte system. This study systematically measured the initial crystallization temperatures of the Na 3 AlF 6 -K 3 AlF 6 -Li 3 AlF 6 -AlF 3 -KF-Al 2 O 3 electrolyte system. It significantly advances the progress of the aluminum electrolysis industry toward green and low-carbon development, opening new technical pathways for achieving energy conservation and emission reduction targets in aluminum electrolysis production processes. Graphical
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ACS Applied Materials & Interfaces
·
2025
·
IF 8.2
Ziyue Ju,Yaqi Shi,Fanbo Meng,Jin Huang,Weiwei He,Ruichan Lv
In this study, a multilayer composite material, TiO2@Y2Ti2O7@YOF:Yb,Tm (TYY), was designed based on the highly polar O-metal bond for high-sensitivity optical temperature sensing. By introducing highly electronegative oxygen atoms to form strong crystal field interactions with Ti4+, the coupling between rare-earth ions and high-energy phonons was enhanced, thereby increasing the probability of nonradiative transitions. Leveraging the significant thermal quenching effect of the 480 nm emission peak and the stable temperature response of the 1610 nm emission peak, a near-infrared II/visible ratio-metric fluorescence temperature sensor was successfully constructed, achieving an ultrahigh sensitivity of 5.8%·K–1 at 303 K. To further reduce sensor complexity and cost, a single-peak fluorescence intensity-based temperature sensor using the integrated intensity of the 480 nm emission was developed, achieving a high sensitivity of 2.2%·K–1 at 413 K. X-ray diffraction (XRD) analysis revealed that differences in thermal expansion coefficients between the shell layers induced lattice distortion in the YOF layer, further enhancing nonradiative transitions and improving temperature sensing sensitivity. Finally, the internal temperature detection of the antenna radome using TYY as a single-peak sensor was achieved through a mobile imaging device. A good linear relationship between fluorescence intensity and temperature was observed, highlighting the broad application potential of TYY in industrial temperature monitoring.
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CERAMICS INTERNATIONAL
·
2026
·
IF 6
Yinsha Wei,Yibo Ouyang,Zhihao Zhou,Ke Li,Ri Qiu,Jin Zhao
Despite inherent corrosion resistance of titanium and its alloys, their performance can be compromised in service by galvanic corrosion, hydrogen embrittlement, and biofouling. In this study, an integrated approach combining micro-arc oxidation (MAO) with electrochemical deposition is employed to fabricate a robust superhydrophobic surface (SHS) on TA2 titanium alloy, achieving integration of wear resistance, corrosion inhibition, and anti-fouling properties. Firstly, the ceramic layer is fabricated onto the Ti alloy surface via the MAO approach, and the porous matrix is achieved. Secondly, the electrodeposition is used to grow the europium myristate complex, which shows the superhydrophobicity wettability due to the intrinsic hydrophobicity and roughness of the deposit. For the anticorrosion capability evaluation, the potentiodynamic polarization curves indicate that the SHS has the lowest corrosion current density ( i corr = 2.67 × 10 −8 A/cm 2 ), compared with the MAO coating ( i corr = 3.08 × 10 −7 A/cm 2 ) and bare TA2 substrate ( i corr = 4.60 × 10 −7 A/cm 2 ). For the anti-biofouling performance, surface coverage of P. aeruginosa biofilm is at 15.48% for TA2, 4.20% for the MAO coating, and only 0.14% for the SHS. These results demonstrate that the MAO/SHS composite coating developed on the TA2 substrate is a highly promising strategy to mitigate biofouling.
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