ELECTROCHIMICA ACTA
·
2026
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IF 5.6
Xiaolei Shi,Zhuannian Liu,Yifei Wang,Benlong Wei
The K-CP/MnO 2 composite was prepared by loading manganese dioxide (MnO 2 ) nanosheets onto potassium hydroxide (KOH) activated carbonized polyaniline (K-CP) via low-temperature hydrothermal reaction. The composite demonstrated high efficiency in removing Pb 2+ and Zn 2+ in the hybrid capacitive deionization (HCDI) technology. K-CP/MnO 2 presents a core-shell structure with conductive K-CP as the core and electrochemically active MnO 2 constructed by porous nanosheets as the shell. The disordered entanglement of K-CP and MnO 2 nanoflakes significantly increases the interlayer spacing, optimizes the pore distribution, creates favorable conditions for charge and ion transport, and realizes the synergistic effect of electric double layer (EDL) adsorption and Faradaic reactions. The specific capacitance (SC) of K-CP/MnO 2 at 5 mV s −1 is 112.03 F g −1 , which is nearly 3.76 times that of CP (29.82 F g −1 ). At a voltage of 1.2 V (100 mg L −1 ), the electrosorption capacity (SAC) of the K-CP/MnO 2 electrode for Pb 2+ and Zn 2+ is 124.66 and 96.86 mg g −1 , respectively. After 15 adsorption/desorption cycles in the HCDI device, the adsorption capacity for Pb 2+ and Zn 2+ is retained at 86.81% and 82.59%, respectively. The experiments indicate that the removal of Pb 2+ primarily occurs through electrosorption, redox reactions, and surface complexation, while Zn 2+ is inserted into the channel provided by MnO 2 and participates in the solid phase reaction. The K-CP/MnO 2 composite prepared in this study offers a novel approach for designing high-performance HCDI electrodes and achieving the selective removal of heavy metals.
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Materials Today Communications
·
2026
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IF 4.5
Kun Wang,Dongdong Deng,Yuxiang Nie,Chao Liu,Hongxiao Yu,Tongxu Cui,Binbin Yao,Bingqi Xia
Biomass-derived carbonized cicada wings (CCWs) exhibit unique microstructures and demonstrate promise as lightweight microwave-absorbing materials. However, their practical application is hindered by inherently inadequate dielectric loss capabilities and poor impedance matching. To address this limitation, ternary CCWs/Reduced graphene oxide aerogels (rGOAs)/polyaniline (PANI) composites were fabricated through mechanical grinding of CCWs with rGOAs and PANI particles. The synergistic integration of rGOAs and PANI significantly enhanced the dielectric loss capacity and optimized impedance matching behavior, substantially improving electromagnetic wave attenuation performance. The minimum reflection loss ( RL min ) of −61.36 dB at 1.8 mm, and an effective absorption bandwidth ( RL ≤ −10 dB) of 5.2 GHz (12.8–18 GHz). This study reveals the significant potential of (CCWs/rGOAs):PANI composites as promising candidates for lightweight, high-performance microwave-absorbing materials.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.7
Yudong Song,Yang Zou,Xinjian Shi,Shengyan Yin,Song Liang,Zhenning Liu,Qinrong He,Hang Sun
In research on pressure-sensitive electronic skin (e-skin) for motion and physiological signal monitoring, balancing sensitivity with a broad pressure-sensing range and intelligent sensing capabilities is of critical importance. Inspired by the micro-ridge of human skin, this work integrates a bionic micro-ridge structure with a PANI-based resistivity modulation strategy to develop an e-skin that enables both high sensitivity and a wide pressure-sensing range for motion and physiological signals monitoring. Ridge-structured PANI was grown in-situ on hydrolyzed polyacrylonitrile fibers via chemical oxidative polymerization. By utilizing the reversible protonation-deprotonation mechanism of PANI in combination with a pH modulation strategy, we adjusted the resistivity of the PANI nanofibrous films to investigate the impact on sensing performance. The synergistic effects of ridge-structured PANI, resistivity modulation and micro-deformation effect of the nanofibrous films enabled the e-skin to exhibit a high sensitivity (maximum 1.91 kPa −1 ) and a wide pressure-sensing range (1–600 kPa). The e-skin can accurately and stably monitor a wide range of signals, ranging from subtle throat vibrations during phonation and gentle abdominal undulations caused by breathing, to larger plantar pressure changes during walking or running. Furthermore, we combined the e-skin with a one-dimensional convolutional neural network (1D CNN, PyTorch-based), enabling rapid and accurate classification of four typical respiratory states (Normal breathing, Rapid breathing, Deep breathing, and Apnea). This work, especially the combination of bionic micro-nano structures and resistivity modulation strategy, provides new insights for the development of pressure-sensitive e-skins with excellent sensing performance.
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PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2026
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IF 13.2
Qingye Liu,Xiaohui Wang,Wenbo Xu,Xuan Ning,Yu Yang,Peng Li,Yanling Hu,Xiaojun Li,Qingqing Li
The conductive hydrogels have emerged as the promising bioelectronics in various applications. To address the persistent challenge of reconciling extreme mechanical robustness with outstanding electrical properties during the long-term use, we propose a synergistic strategy to develop a strong and highly conductive hydrogel with hierarchical network through sequential Dimethyl sulfoxide (DMSO) crystal-templating, solvent replacement, multi-amine-mediated crystal reorganization and co -polymerization. Taking the merits of the aligned microstructure, adaptive non-covalent interactions, and the re-organized Poly(vinyl alcohol) (PVA) crystalline domains, the resultant hydrogel could effectively dissipate the impact energy, demonstrating excellent tensile strength as high as 4.26 MPa with a satisfactory fracture strain of 206%. Besides, this reliable conductive hydrogel displays a tissue-like self-strengthening behavior upon cyclic mechanical training, where the respective tensile strength and strain could be further increased up to 8.5 MPa and 221%. Notably, the conductive particles could be firmly immobilized into the outer layer of hydrogel via in-situ co -polymerization between the multi-amine molecules (i.e., 2,4,6-Triaminopyrimidine) and aniline monomers. Due to the existence of anisotropic transport channels, the ductile hydrogel possesses high electrical conductivity up to 13 S⸱m −1 , and exhibits consistent sensitivity to external strains. The high-performances make the hydrogel as an efficient electronic device for real-time motion sensing.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.7
Xia Sun,Liying Wang,Yang Gao,Xuesong Li,Xijia Yang,Wei Lü
Energy storage devices fulfill an indispensable and critical role in balancing the supply and demand of energy, reducing the consumption of fossil fuels, and mitigating environmental pollution. In this work, an iron-ion hybrid supercapacitor (IIHS) is developed，which employs a nano-honeycomb structured CoMoS3-PANI composite as the cathode. CoMoS 3 improves the redox active sites for its electrochemical reactions, which helps to prevent the self-stacking of ion transfer channels. The introduction of PANI creates a pillar-supported hierarchical structure for CoMoS 3 growth, which enhances Fe 2+ ion transport kinetics and cycling stability. Benefiting from this advanced electrode architecture, the assembled alternating current (AC)-based supercapacitor delivers a high areal capacitance of 3065.2 mF cm −2 at a current density of 1 mA cm −2 (voltage window: 0–1.2 V). Furthermore, the device exhibits outstanding long-term cycling stability, maintaining 88.19% of its initial capacitance after 10,000 galvanostatic charge–discharge cycles. Meanwhile, we fabricated poly (vinyl alcohol) / carboxymethyl cellulose Fe 2+ gel electrolyte, and the flexible device maintained 84.28% capacity after 3000 cycles. This cost-effective, long-lasting, and safe iron ion hybrid capacitor holds significant promise for future applications in the energy storage sector.
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PubMed
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2026
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IF 5.4
Siqi Hong,Baoxi Fan,Zheng Wu,Xiaoyue Cheng,He Gao,Yanmin Jia,Cheng Liu,Luohong Zhang
Piezoelectric catalysis has emerged as a sustainable technology for pollutant degradation, with barium titanate (BTO) serving as a prominent lead-free piezoelectric material. However, its practical application remains constrained by limited degradation efficiency. To address these challenges, polyaniline-incorporated BTO nanocomposites (BTO@PANI) were synthesized via in-situ polymerization to enhance piezoelectric polarization and catalytic performance. The composites were evaluated for degrading dyes and pharmaceuticals under both ultrasonic and aeration-driven conditions, with systematic investigation of influencing factors including pH, catalyst dosage, aeration rate, and bubble size. The optimized BTO@PANI 0.2 composite exhibited exceptional catalytic activity, achieving a 57 % enhancement in degradation efficiency and a reaction rate constant (k = 0.0218 min⁻¹) 15.7 times greater than pure BTO under ultrasonic excitation. The aeration-driven process used only 23.3 % of the energy that ultrasonication did, which is very impressive. The composite maintained excellent stability through four consecutive degradation cycles under both excitation modes. The catalytic mechanism was systematically investigated through radical trapping experiments, electron paramagnetic resonance (EPR) analysis, and comprehensive material characterization (XRD, SEM, FTIR, XPS, EIS). This work provides new idea for designing efficient piezoelectric catalysts and demonstrates a promising energy-saving strategy for advanced oxidation processes in water treatment.
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SENSORS AND ACTUATORS B-CHEMICAL
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2026
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IF 7.7
Renze Zhang,Hanyang Ji,Zhiqiang Yang,Huai Wang,Fangling Zhou,Guanchao Li,Zhijia Liao,Mengran Ran,Hongmin Zhu,Tianyao Qi,Zhenyu Yuan,Yanbai Shen,Fanli Meng
Triethylamine (TEA), a hazardous industrial volatile organic compound, requires sensors with rapid response and ppb-level sensitivity. This study synthesized m-LaVO 4 nanospheres with controlled exposed crystal facets via a hydrothermal method. The optimized material, featuring a layered morphology and dominant (200) plane, showed a high response of 27.2 to 100 ppm TEA at 225°C with a 5 s response time, shortening to 2 s at 15 ppm. The sensor demonstrated a low detection limit of 1 ppb, excellent selectivity, repeatability, long-term stability, and light-modulated sensing behavior. These properties are attributed to the unique layered structure and surface characteristics of m-LaVO 4 , making it a promising candidate for efficient, low-concentration TEA detection.
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CHINESE JOURNAL OF CATALYSIS
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2026
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IF 17.7
Juxia Xiong,Hao Ma,Yingjun Dong,Benjamin Liu,Xiangji Zhou,Linbo Li,Yuanmiao Sun,Xiaolong Zhang,Hui-Ming Cheng
Bi-based catalysts are known to promote the electrochemical reduction of CO 2 to formic acid (HCOOH) or formate (HCOO − ). However, their implementation presents challenges: the first H + /e − pair transfer to form the key *OCHO intermediate on a Bi surface is a slow, kinetically sluggish endergonic process, resulting in a large overpotential and narrow potential window for high HCOOH/HCOO − selectivity. Altering the localized p -orbital electron states of Bi to change intermediate binding behaviors is difficult. We addressed this problem by using an in-situ polymerization method to obtain a polyaniline-Bi hybrid (PANI-Bi) with Bi surrounded by PANI chains. Combined experimental and computational studies indicate that the polyaniline acted as an “electron pump” that facilitated charge transfer from the PANI backbone to the Bi surface and changed the p -orbital electrons of the Bi active sites. This lowered the energy barrier for the adsorption of intermediates and facilitated *OCHO formation. Consequently, a significant increase in formate production was observed, achieving a single-pass carbon efficiency exceeding 48.7% at 800 mA cm −2 . This organic functionalization strategy, aimed at modifying the electronic structure of heterogeneous catalysts, offers a promising approach for achieving highly selective electroreduction of CO 2 at a high current density.
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ADVANCED FUNCTIONAL MATERIALS
·
2026
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IF 19
Guodong Liu,Tao Han,Hong Cao,Xiaohong Jiang,Wenliang Zhang,Hanbin Liu,Zhijian Li
Self-powered electrochromic devices, which integrate optical modulation with energy storage, represent a significant direction in adaptive optics and smart electronics. However, they still face limitations such as monotonous operation modes, slow self-charging, and complex fabrication processes. To address these challenges, we present a novel self-powered electrochromic system (MnO 2 ||PEDOT:PSS/PANI:PSS||Zn) based on a synergistic strategy of complementary color fusion and potential gradient utilization. The electrochromic electrode exploits the complementary color fusion effect between the cathodic electrochromic material PEDOT:PSS and the anodic electrochromic material PANI:PSS, enabling distinct color manifestations (green, purple, and blue) at different redox states. The inherent potential gradient among MnO 2 , PEDOT:PSS/PANI:PSS, and Zn provides a robust driving force for the redox reactions in the electrochromic electrode, allowing the system to achieve rapid and reversible bidirectional color switching along with multiple output modes. Via a fully-printed fabrication process, we integrated the three electrodes onto a single paper substrate, constructing a compact, mechanically flexible, multi-mode self-powered electrochromic system. This system has been successfully applied in reconfigurable multicolor display arrays and pressure-activated connected smart display labels. We envision that this work provides new insights into the development of flexible, multifunctional energy-optical systems.
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ACS Applied Nano Materials
·
2026
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IF 5.5
Dongdong Deng,Yuxiang Nie,Shuping Li,Chao Liu,Kun Wang,Bingqi Xia,Yonghe Deng
Two-dimensional carbon nitride materials such as g-C3N4 have been extensively investigated for microwave absorption, yet their performance is often limited by insufficient dielectric loss and poor impedance matching. In contrast, g-C3N5, an emerging N-rich carbon nitride with higher defect density and a more tunable electronic structure, holds great promise for electromagnetic wave attenuation but has remained largely unexplored. In this work, we engineer dendritic PANI-coated g-C3N5 architectures through an in situ oxidative polymerization strategy that enables simultaneous regulation of dielectric properties and impedance matching. Unlike conventional single-component modification, this structure-guided design constructs efficient conductive pathways while introducing abundant heterogeneous interfaces, thereby achieving a well-balanced synergy between conduction loss and interfacial or dipolar polarization. Benefiting from this cooperative mechanism, the g-C3N5/PANI composite with a mass ratio of 4:1 delivers a minimum reflection loss of −46.79 dB at 2.1 mm and a wide effective absorption bandwidth of 5.53 GHz at 2.5 mm. This study establishes g-C3N5 as a promising next-generation microwave absorber and proposes a generalizable structural-engineering concept for designing lightweight and high-efficiency conductive-polymer composites.
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Journal of Energy Storage
·
2026
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IF 9.8
Qianhui Ren,Bo Jin,Yiyang Li
Lithium‑sulfur (Li-S) batteries possess great theoretical specific capacity and energy density, low cost, and better safety, thus, they are deemed to be very promising batteries. However, they have also low active material utilization, shuttle effect, and volume expansion problems, which have brought serious obstacle to the commercial development of Li-S batteries. These problems can be refined via modifying polypropylene (PP) diaphragm. In this work, we design a heterostructure consisting of nitrogen-doped carbon (NC), metal niobium (Nb), and Co x Se 8 (Co 9 Se 8 and Co 6.8 Se 8 ) to modify PP. According to density functional theory (DFT) calculations, the presence of Nb in Nb-Co x Se 8 /NC results in fortified catalytic conversion capability toward lithium polysulfides (LiPSs). Furthermore, Co x Se 8 adsorbs the LiPSs to a substantial extent, mitigating the shuttle effect, which leads to enhanced use of the active substance during charging and discharging reactions. Simultaneously, the porous architecture mitigates the expansion in sulfur's volume. The electrochemical test consequence depicts that Li-S battery with Nb-Co x Se 8 /NC-PP diaphragm has a primary discharge capacity of 1449 mAh g −1 at 0.5 C, with a capacity retention rate of 68% after 100 cycles. It has also an initial discharge capacity of 868 mAh g −1 at 10 C in the rate performance test. Even with a high areal loading of 3.1 mg cm −2 , Li-S battery delivers an adequate electrochemical functionality. This study provides an idea for constructing heterostructured metal selenides to improve the electrochemical functionality of Li-S batteries.
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JOURNAL OF MEDICINAL CHEMISTRY
·
2026
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IF 7.3
Yang Liuxin,Cheng Yiyu,Qin Si,Jiang Jun,Zhong Shiyi,Bi Xinyue,Xu Jiali,Wang Kai,Qiu Shuang,Li Xiang
Cellular resilience to therapy often arises from adaptive
mechanisms
that safeguard iron–sulfur (Fe–S) proteins. Here, we
present a rational strategy to overcome such resilience by integrating
two synergistic vulnerabilities, copper toxicity and Fe–S cluster
homeostasis, into a single molecular scaffold. Inspired by a bacterial
sulfur mobilization (SUF) inhibitor, we hybridized its core structure
with a copper-transporting 8-hydroxyquinoline moiety to generate HDQ , HDQ-S , HDQ-Ph , and HDQ-Me . They coordinate copper via hydroxyquinoline and efficiently transport
copper into cancer cells, with HDQ-Me achieving an efficacy
comparable to that of the clinical copper ionophore elesclomol ( ES ). Strikingly, HDQ alone suppresses Fe–S
proteins across multiple functions, including respiration, iron homeostasis,
and DNA replication. HDQ -mediated copper loading triggers
cuproptosis hallmarks, DNA damage, and ATP collapse, generating a
synergistic lethality. This work establishes HDQs as
bifunctional tools that cotarget copper and Fe–S protein homeostasis,
validating a convergent therapeutic strategy against resilient cells.
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