JOURNAL OF SOLID STATE ELECTROCHEMISTRY
·
2025
·
IF 2.6
Cao Bo-Qun,Bao Hao-Tian,Zhang Ji-Wei,Shao Gang-Qin
The lithium-phosphorus-thiohalides (LPS X ) with superionic conduction are strong candidates for the new-generation solid electrolytes (SEs) in all-solid-state lithium-ion batteries (ASSLIBs). In this work, Li 6− x PS 5− x Cl 1+ x − y Br y (LPSCB; 0 ≤ x ≤ 0.7; 0 ≤ y ≤ 1.7) was synthesized by a solid-state method in which the key raw material of Li 2 S was prepared by an improved carbothermal reduction method without late decarbonization. The lattice flexibility and the degree of structural order are opposite effect and would lead to an optimum of the ionic conductivity at a composition of LPSCB. Li 6 PS 5 Br- and Li 5.5 PS 4.5 Br 1.5 -based ASSLIBs had the best rate capacity and cycle performance in Li 6 PS 5 Cl 1− y Br y - (0 ≤ y ≤ 1) and Li 5.5 PS 4.5 Cl 1.5− y Br y -based ones (0 ≤ y ≤ 1.5), respectively. To increase the ionic conductivity of LPSCB-type SEs and capacity/cycle performance of the related ASSLIBs, Br-introduction, mutual substitution and excess- X substitution were extremely effective strategies. Graphical
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Journal of Materials Chemistry C
·
2025
·Vol. 13
·期 44
·22186-22196
·
IF 5.1
Shuang Wu,Yongqi Zhu,Nan Zheng,Hui Liu,Yiwen Zhu,Xinyue Li,Yifan Chen,Daqin Chen
Near-infrared (NIR) luminescent materials are promising NIR light sources for multifunctional applications; providing a strategy to tailor the emission and enhance the performance of NIR phosphors is crucial. Herein, a green HF-free synthetic strategy is realized to tune the NIR emission advantageously by substituting on the adjacent octahedral, completely different from breaking the d–d parity forbidden transitions of Cr3+ through conventional lattice distortion. Broadband NIR phosphor K2Na1−xLixAlF6:Cr3+ with excellent thermal quenching resistance is prepared using the hydrothermal method. Controllable emission tuning from 726 to 765 nm and broadening full width at half-maximum from 105 to 130 nm, is achieved by substituting Li+ for Na+, resulting from weakening the crystal field and increasing electron–phonon coupling. Lithium ions play a critical role in suppressing nonradiative relaxation of the emission centers, thereby significantly enhancing the emission intensity of K2NaMF6:Cr3+ (M = Al, Ga, In) phosphors. The as-fabricated prototype NIR phosphor-converted light-emitting diode device, exhibits significant promise in the fields of night vision and information encryption. This study provides an effective design strategy for developing broadband NIR luminescent materials with high efficiency and good thermal stability.
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Energy Storage Materials
·
2026
·
IF 19.3
Hongyi Lu,Shuhao Wang,Gaofeng Du,Renwu Han,Jiawei Wu,Chao Ma,Xizheng Liu,Huiqiao Li
Halide solid-state electrolytes (SSEs) have emerged as a promising candidate for all solid-state batteries owing to the high ionic conductivity, compatibility with high-voltage cathodes, and favorable deformability. As research on halide SSEs continues to advance, their performance has been substantially enhanced, bringing these materials to the threshold of commercialization. The large-scale synthesis of electrolytes constitutes a crucial initial step for their commercialization. However, current research has mainly focused on performance optimization, with limited attention given to scalable synthesis processes. Herein, from an engineering perspective, we systematically investigate the key parameters that require attention during the large-scale preparation of halide SSEs. Experimental results show that, compared with the solid-phase ball-milling method, the solution method produces electrolytes with smaller particle sizes, lower cost, better batch-to-batch consistency, and higher yield, demonstrating advantages for large-scale synthesis. Furthermore, we investigate how precursor addition sequence, solution concentration, and annealing atmosphere affect the performance of halide SSEs synthesized via the solution route. Besides, challenges such as hydrolysis, corrosion, and temperature rise effects are encountered during solution-based synthesis. Among these, hydrolysis directly affects product purity, while corrosion and temperature rise effects impose high demands on the acid resistance and heat dissipation capacity of reaction vessels. Consequently, the corrosion resistance of the reaction vessel and heat dissipation are among the factors that require consideration during large-scale synthesis. This study provides the systematic analysis of synthesis process from an engineering perspective and proposes design criteria for reaction vessels tailored to large-scale preparation, aiming to offer new insights for the industry.
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CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Kang Yang,Chao Duan,Xin Tong,Chuanyin Xiong,Jian Wang,Yonghao Ni
A novel coaxial wet spinning strategy is reported to fabricate shape stabilized phase change aerogel fibers (C f PCF). • The fibers feature hierarchically porous flower-like PUPCM clusters engineered by CNC-directed hydrogen bonding. • The C f PCF exhibits a high phase change enthalpy (115.6 J/g), ultralow thermal conductivity (0.076 W·m −1 ·K −1 ). • The C f PCF fabrics enable outstanding infrared stealth (Infrared detection temperature decreased by 51 °C). The escalating demand for advanced fibrous materials integrating dynamic thermal management and infrared stealth has spurred continuing innovation. Traditional porous phase change fibers (PCFs) suffer from two critical deficiencies: solid-liquid phase change materials (SLPCMs) leakage and gas-solid interface degradation. Herein, we present a novel coaxial wet spinning strategy to fabricate porous shape stabilized phase change fibers (C f PCFs). The aerogel core is prepared via cellulose nanocrystals (CNCs)-directed crystallization of polyurethane-based shape stabilized PCMs (PUPCMs) that were synthesized through crosslinking polyethylene glycol with hexamethylene diisocyanate, inherently eliminating liquid leakage. Thanks to strong intermolecular hydrogen bonding interactions between CNCs and PUPCMs, in-situ crystallization and assembly of PUPCMs proceed on CNC-directed three-dimensional scaffolds via ice templating, generating flower-like crystal clusters with hierarchical porosity. This unique structure offers dual benefits: 1) Robust anchoring of shape stabilized PUPCM to prevent leakage; 2) Excellent properties of high phase change enthalpy (115.6 J/g) and porosity (69.35%), ultralow thermal conductivity (0.076 W·m −1 ·K −1 ), and superior thermal stability (91.35% enthalpy retention after 600 cycles). The as-woven C f PCF fabric demonstrates exceptional thermal buffering performance, achieving a temperature lag of up to 750 s at 80 °C. This effect stabilizes the temperature through phase-change endothermy and reduces infrared-detected temperatures by 51 °C. This work presents a new pathway for developing next-generation intelligent fibrous materials with integrated functionality.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2026
·
IF 9.6
Jinze Song,Lixia Zhu,Ying Song,Zhaobo Wang,Kaixiang Shi,Xiaolei Song,Quanbing Liu,Guangfeng Wu
HE-MOF@MXene heterostructure was constructed via in situ growth. • The heterostructure combines physical blocking with chemical LiPSs anchoring. • Multi-metal synergy accelerates catalytic conversion of LiPSs. • HE-MOF@MXene//PP delivers 1445 mAh g −1 at 0.2C and 690 mAh g −1 at 5C. • HE-MOF@MXene//PP shows only 0.059% decay per cycle over 900 cycles at 1C. Lithium‑sulfur batteries (LSBs) offer high energy density, yet their performance is restricted by uncontrolled lithium polysulfides (LiPSs) migration and the intrinsically slow multistep conversion of sulfur species. To alleviate these issues, a Fe/Co/Ni/Cu/Mn high-entropy metal-organic framework (HE-MOF) was directly grown on MXene nanosheets to form an HE-MOF@MXene heterostructure, which was subsequently employed as a separator modifier in LSBs. The reciprocal structural regulation between HE-MOF and MXene effectively suppresses component aggregation and layer re-stacking, thereby increasing the accessible surface area of the heterostructure and promoting greater active-site exposure. Meanwhile, the two components are functionally integrated. The well-exposed high-entropy multimetal sites in HE-MOF can effectively exert their adsorption and catalytic advantages toward sulfur species with the assistance of the efficient electron/ion transport network constructed by MXene. Density functional theory calculations suggest distinct electronic structures and d-d interactions among the metal sites in HE-MOF. The resulting multimetal synergy may help accommodate the differentiated adsorption requirements of sulfur species and facilitate their subsequent conversion. Consequently, with the separator functionalized by HE-MOF@MXene, the cell achieves 1445 mAh g −1 at 0.2C. At a high rate of 5C, the cell still delivers 690 mAh g −1 . Moreover, continuous operation over 1000 cycles at 3C results in an average capacity loss of merely 0.060% per cycle. HE-MOF@MXene heterostructure-modified separators integrate efficient physical blocking, strong polysulfide anchoring and rapid sulfur redox reaction kinetics, effectively suppressing shuttle effects and enabling high-performance lithium-sulfur batteries. Download: Download high-res image (239KB) Download: Download full-size image
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Small
·
2026
·
IF 11.8
Shuwang Xu,Lei Xi,Hulei Yu,Pingbo Xie,Jun Liu
Zr-based halide solid-state electrolytes (SSEs) hold significant commercial potential owing to their cost-effectiveness, excellent mechanical deformability, and superior oxidative stability. However, their practical applications are still hindered by limited room-temperature ionic conductivity and insufficient compatibility with high-voltage oxide cathodes. Here, a oxygen-doped high-entropy SSE (HESSEO, Li 2.89 Zr 0.72 Nb 0.07 Mo 0.07 Ta 0.07 Hf 0.07 Cl 4.9 O 1.1 ) was synthesized by introducing M (M = Nb, Mo, Ta, and Hf) and O ions into Li 2 ZrCl 6 (LZC), achieving a high ionic conductivity of 2.13 mS cm −1 at room temperature. Density functional theory (DFT) calculations confirmed that HESSEO exhibits higher Li + diffusion coefficients and lower diffusion barriers compared with those of LZC. All-solid-state batteries (ASSBs) with HESSEO demonstrated excellent long-term cycling stability, delivering an initial discharge capacity of 187.2 mAh g −1 and retaining 78.8% of the capacity after 1000 cycles at 2 C with the cutoff voltage of 4.3 V (vs. Li + /Li). Moreover, the batteries maintained stable operation for over 300 cycles even at 1 C with a higher cutoff voltage of 4.5 V. This multi-ion synergistic design provides a viable strategy to simultaneously enhance the ionic conductivity and high-voltage stability of halide SSEs, offering a practical approach for the development of commercially relevant ASSBs.
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SENSORS AND ACTUATORS B-CHEMICAL
·
2026
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IF 8.3
Jinlan Yang,Habib Khan,Chushi Chen,Meng Wang,Lina Xiu,Li Yang
Paper-based analytical devices (PADs) have revolutionized environmental monitoring, food safety and disease diagnosis due to their inherent portability, simplicity, and cost-efficiency. Among these, distance-based PADs enable instrument-free quantitative detection by translating target concentration into measurable flow distance. Stimuli-responsive hydrogels, whose viscosity can be altered by target-triggered sol-gel transitions, are widely used in distance-based PADs, among which click-chemistry hydrogels stand out by virtue of their efficient and stable covalent bonding. Such stable covalent networks provide click hydrogels with strong anti-swelling and anti-degradation properties, crucial for reliable performance in on-site environments. In this study, we present a novel distance-based PAD approach that integrates target-induced click hydrogels, establishing a highly stable, versatile, and sensitive platform for multi-analyte detection. This innovative PAD makes use of copper-catalyzed azide-alkyne cycloaddition click chemistry to craft hydrogels from polyethylene glycol derivatives. Notably, specific target analytes like Cu²⁺, ascorbic acid, alkaline phosphatase, and pyrophosphate finely modulate the hydrogel crosslinking degree, causing noticeable changes in its viscosity. These viscosity variations are then translated into measurable flow distances on pH test papers, providing a direct and quantitative visual readout without the need for complex instrumentation or extensive operation. The entire detection process, from sample loading to result readout, can be accomplished within approximately 5 min, demonstrating the rapid analysis capability of this approach. This work offers stable, rapid, sensitive, and cost-effective multi-target detection, significantly advancing instrument-free PAD technology and expanding the scope of versatile analyte detection.
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ADVANCED MATERIALS
·
2026
·
IF 29.1
Ruilin Mai,Xinlong Zhang,Guobin Yu,Zhenhang Chen,Wenyu Zhao,Zhangqin Shi,Xiangwen Gao,Zheng Liang,Chaopeng Fu
Rechargeable aluminum–sulfur (Al–S) batteries are recognized as a promising option for large-scale energy storage due to high theoretical energy density and cost-effectiveness. However, the sulfur cathodes suffer from sluggish reaction kinetics and severe shuttle effect during cycling. Here we report robust two-dimensional covalent organic frameworks (COFs) as sulfur hosts that features accessible catalytic nitrogen sites and confined microporous channels. The fine regulation of different microporous sizes was achieved by controlling different-length organic ligands of various COFs, finally preparing two kinds of COFs. The sensitive comparation between both COFs demonstrates that smaller microporous channels in COFs possess higher confinement effect for polysulfides due to the stronger capillary forces, facilitating higher Coulombic efficiency and better cycling stability in Al–S batteries. Meanwhile, experimental characterizations and theoretical calculations reveal that accessible catalytic nitrogen sites in COFs promote the multistep conversion kinetics of the sulfur cathode during cycling. Consequently, the small-sized COF confined sulfur cathode exhibits a reversible capacity of 1120 mAh g −1 at 0.2C and a 93.5% capacity retention after 100 cycles, supporting high capacity and exceptional cycling stability. This work provides a new avenue on rational design of emerging COF materials in Al–S batteries.
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DESALINATION
·
2026
·
IF 9.9
Xin Shi,Qiuyan Bi,Zizhen Peng,Zhicheng Wang,Yakai Lin,Wenzhong Ma,Chuanjie Fang,Chao Zhang,Shiai Xu
In situ SiO 2 growth with DA-g-C 3 N 4 co-doping yields hybrid crosslinked PA layer. • Compound strategy mitigates DA-g-C 3 N 4 aggregation in PA layer. • Achieved simultaneous gains in Mg 2+ /Li + selectivity and permeability performance. • MgCl 2 rejection stayed >93% over 160 h, demonstrating excellent long-term stability. It is often difficult for thin-film composite (TFC) nanofiltration (NF) membranes to balance high separation selectivity and high permeability, and the contradiction between the two will lead to their overall performance constraints. In this study, a dual-phase regulation strategy is proposed, which adopts the in-situ sol method and the composite strategy of introducing two-dimensional materials for the preparation of organic-inorganic cross-linked polyamide (PA) NF membranes. A trimesoyl chloride (TMC) organic phase solution containing tetraethyl orthosilicate was first introduced onto the polyethersulfone (PES) substrate, followed by contact with a polyethyleneimine (PEI) aqueous phase solution containing dopamine-functionalized carbon nitride (DA-g-C 3 N 4 ), during which silicon dioxide (SiO 2 )/Si–O–Si domains were generated in situ within the PA layer. These domains restricted the free volume of the PA layer, narrowed the effective pore-size distribution, and suppressed nonselective defects, while the embedded DA-g-C 3 N 4 improved the compatibility between the nanofillers and the PA layer, thereby producing P-1Si-0.025CN membranes with an effective pore size of 0.4 nm. Compared with the P-NF membrane prepared by reverse interfacial polymerization of TMC and PEI directly on the PES substrate, Mg 2+ /Li + separation factor (SF) increased to 67.2 (Mg 2+ /Li + mass ratio is 20), salt solution flux was 27.1 LMH, separation and permeation capacity of mixed salt was enhanced, salt solution flux has increased by 4 times, and the SF has increased by 7 times, Mg 2+ /Li + ratio decreased from 20 in feed to 0.71 in permeation process. Moreover, it exhibited excellent separation performance in diluted salt lake brine, with an Mg 2+ rejection rate exceeding 98%, and it also exhibited high fouling resistance and long-term stability. Download: Download high-res image (155KB) Download: Download full-size image
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SEPARATION AND PURIFICATION TECHNOLOGY
·
2026
·
IF 9.1
Yingfei Wang,Yuqiong Li,Fengliang Wang,Chuanhao Li
Recovering H 2 energy from photocatalytic treatment of antibiotic-contaminated wastewater is considered an appealing strategy to mitigate the energy crisis and environmental issues. Herein, we present a hard-template-assisted molten-salt pyrolysis strategy to synthesize mesoporous carbon nitride with a highly crystalline structure (mpg-CCN), which was utilized for the integrated adsorption-photocatalytic degradation of FQs and the conversion of wastewater to hydrogen. mpg-CCN exhibits excellent photocatalytic performance with an H 2 evolution rate of 10,482.5 μmol/g and an optimal FQs degradation efficiency of 98.6% after 10 h of visible light irradiation. Experimental and theoretical calculation results disclose that the unique mesoporous structure of mpg-CCN improves the surface diffusion and adsorption of FQs. In addition, the highly crystalline structure provides unblocked channel for the transfer of photo-induced charges and accelerates both H 2 evolution and FQs degradation kinetics. Significantly, mpg-CCN can be effectively utilized for the ex-situ remediation of FQs, enabling recovery from the adsorbed pollutants via simple light treatment.
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ELECTROCHIMICA ACTA
·
2026
·
IF 5.8
Jiayi Chen,Wei Han,Yixuan Cai,Xudong Wang,Rugeng Liu,Meng Zhang,Mei Li,Weiqun Shi
Studied the electrochemical behavior of Ce(III) ions on Bi film electrodes and liquid Bi electrode. • Studied the effect of Ce (III) ions on the electrochemical behavior of UO 2 2+ at Bi film electrode and liquid Bi electrode. • Ce(III) ions and UO 2 2+ ions were separated via potentiostatic and galvanostatic electro-deposition on a liquid Bi electrode. • Found that better separation of Ce(III) ions and UO 2 2+ can be achieved at relatively low potentials. • The extraction efficiency and separation efficiency were calculated for electrolytic separation at lower potentials. To achieve the separation of uranium and fission products, a liquid Bi electrode was employed to study the electrochemical separation of the fission product Ce(III) ions and UO 2 2+ ions. The electrochemical reduction mechanism of Ce(III) ions was investigated at a Bi film electrode using three electrochemical testing methods: CV, SWV and CP, The results showed that a series of reduction peaks related to the formation of Ce-Bi intermetallic compounds appeared at potentials more positive than the reduction potential of Ce(III) ions. Meanwhile, the electro-reduction mechanism of Ce(III) ions at a liquid Bi electrode was also explored. A reduction peak associated with the formation of Bi-Ce solid solution was recorded. The impacts of Ce(III) ions on the electro-reduction mechanism of UO 2 2+ at a Bi film electrode were examined, and found that the electro-reduction of UO 2 2+ was two-step single-electron transfer process before and after the addition of Ce(III) ions. Furthermore, electrochemical separation of UO 2 2+ and Ce(III) ions was performed at a liquid Bi electrode at -0.7 V/-1.3 mA cm -2 . XRD results confirmed that the separation product included not only UO 2 , but also Ce 2 O 3 and Bi-Ce alloy. Nevertheless, constant potential electrolysis experiment was conducted at the potential of -0.3 V, and the product analyzed by XRD, SEM and EDS demonstrated that only spherical UO 2 with a regular morphology was obtained. The separation factor between UO 2 2+ and Ce(III) ions and extraction efficiency of UO 2 were calculated to be 34.4 and 97.76 %, respectively. Download: Download high-res image (184KB) Download: Download full-size image
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STAR Protocols
·
2026
·Vol. 7
·期 3
·104713
·
IF 1.4
Jia Liu,Xugen Chen,Lebing Wang,Feng Zhou,Jiantao Zhang
Summary Here, we present a protocol for generating concentration-modulated water-in-oil-in-water (W/O/W) double-emulsion droplets (DEDs) to program DNA crystal morphology. We describe assembly of a dual-inner-phase glass capillary microfluidic device, flow-rate-controlled co-encapsulation, osmotic shrinkage, and image-based morphology analysis. This protocol validates encapsulation predictability using methylene blue and enables aspect-ratio control of 2T crystals and directional morphology regulation in 13-mer systems. For complete information on the generation and use of this protocol, please refer to Chen et al. 1
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