DESALINATION
·
2023
·
IF 9.9
Jing Song,Yihan Li,Shihan Wang,Rui Han,Yu Ba,Ying Liu,Shengqiang Fan
Membrane Electro-Bioreactor (MEBR), with dual function of electrochemical in-situ membrane fouling mitigation and pollutants removal by chlorine evolution reaction (CIER), has emerged as a promising technology of treating mariculture wastewater. However, the fouling control mechanism regarding extracellular polymeric substance (EPS) variations and related microbial community is still unclear. In this study, MEBR was developed with conducting anode-membrane modified by CNTs-TiO 2 -PEDOT for fouling resistant and ammonia/nitrite removal. The CIER electroactivity was enhanced that onset potential negatively shifted from 1.12 to 0.98 V vs. SCE (saturated calomel electrode). Ammonia removal rate (71.49 mgN/(L·day)) was 176.8 % higher and nitrite was significantly reduced in MEBR than MBR at HRT of 45 min. Membrane fouling was mitigated in MEBR that operation duration was extended by 40 % compared with MBR. The EPS of cake layer on the membrane surface rather than the biofilters was found the main fouling contributor. The significant reduction in LB-EPSp (65.4 %) in MEBR (33.8 % in MBR) was the dominant factor contributing to membrane fouling alleviation, which highly depended on the relative abundance of Hyphomonas and Hirschia . This study will be beneficial for fouling control in seawater treatment.
研究领域:
环境工程
·
水处理
·
生物技术
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Dongze Lv,Ziwen Tang,Yingzhi Wang,Jiaquan Xu,YeJia Wu,Guoqiang Wu,Jin Xie
3D hand reconstruction is an advanced technology in human-machine interaction (HMI), robotic control, and medical rehabilitation applications. However, methods based on optical cameras and data gloves suffer from high equipment costs, complex algorithms, susceptibility to ambient light interference, and high drift of inertial measurement units (IMUs). Here, a soft electronic skin (E-skin) for 3D hand reconstruction, inspired by human biology is proposed, which integrates a multi-sensor fusion of stretchable carbon nanotubes (CNTs) strain sensors and microelectromechanical system (MEMS) ultrasonic transducers. A straightforward screen-printing process is introduced- to fabricate a multi-layer stacked structure of the E-skin. The substrates of both the E-skin and strain sensors use the same material, a polyethylene glycol (PEG) mixed polydimethylsiloxane (PDMS) adhesive (PPA), which strengthens the bonding between the layers. The optimized PPA exhibits a low modulus (186 kPa), high elongation (>220%), and strong adhesion (1.2 N cm −1 ), while the PPA-CNT composite strain sensor demonstrates excellent sensitivity linearity (0.99) and minimal resistance drift over 500 stretching cycles. The PPA material combines the waterproof and biocompatible properties of PDMS, while also achieving high adhesion and softness, allowing it to maintain conformal contact during finger bending (strain >70%) without glue or bandage. A Quantile Regression Neural Network (QRNN) algorithm is introduced to improve dynamic accuracy and robustness in finger joint angle detection. The system's application in gesture recognition and VR interaction is demonstrated, achieving high accuracy in sign language recognition and robust hand tracking.
研究领域:
生物医学工程
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柔性电子学
·
人机交互
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机器人技术
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传感技术
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人工智能
·
虚拟现实
·
信号处理
·
材料科学
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2021
·
IF 5.816
Xianyang Li,Jiakang Qu,Zuojun Hu,Hongwei Xie,Huayi Yin
Facile synthesis methods and rich-reserve feedstocks are the keys to accelerating the scale commercial use of Sb-based anodes for sodium-ion batteries (SIBs). In this paper, we synthesize Sb/carbon nanotubes (CNTs) composite anodes by a straightforward electrochemical approach using stibnite and CNTs as feedstocks. The concentrated sodium hydrate solution profits the formation of antimony and electrons enables the solid-state electrochemical desulfurization . The low-cost stibnite can be directly obtained from the earth's crust avoiding the intermediate processes and pollution of preparing the common-used raw materials SbCl 3 and metallic Sb. CNTs provides a network for both electron and ion transport, thereby resulting in producing Sb particles anchored in the CNTs network as well as restraining the cluster of electrolytic Sb particles. The electrolytic Sb-0.5CNTs anode delivers a decent capacity of 510 mAh g −1 at 0.1 A g −1 after 200 cycles and even 425 mAh g −1 at 1 A g −1 over 100 cycles. The excellent sodium-storage performances are attributed to the unique structure of the electrolytic Sb/CNTs composite. This electrochemical desulfurization method can be expanded to prepare other metal-carbon type anodes from metal sulfides ores and carbon materials composites.
研究领域:
材料科学
·
电化学
·
能源存储
✓ 已验证
DOI
高影响因子
JOURNAL OF HAZARDOUS MATERIALS
·
2017
·
IF 6.065
Haijun Chen,Zhe Chen,Guixia Zhao,Zhibin Zhang,Chao Xu,Yunhai Liu,Jing Chen,Li Zhuang,Tasawar Haya,Xiangke Wang
Ca/Al layered double hydroxide decorated carbon nanotube (Ca/Al-LDH@CNTs) composites were fabricated by co-precipitation method and hydrothermal aged treatment. The prepared Ca/Al-LDH@CNTs was characterized by SEM, TEM, EDS, XRD, FT-IR, UV–vis and XPS techniques, and applied to remove U(VI) from aqueous solutions under various environmental conditions (i.e., pH, ionic strength, temperature and contact time). The results indicated that the adsorption of U(VI) on Ca/Al-LDH@CNTs was four times higher than that of U(VI) on bare CNTs. The kinetic investigations reflected the chemisorption of U(VI) on Ca/Al-LDH@CNTs through oxygen-containing functional groups. The adsorption isotherms demonstrated that the adsorption of U(VI) was well fitted by Langmuir model and the maximum adsorption capacity of U(VI) on Ca/Al-LDH@CNTs was calculated to be 382.9 mg g −1 at 289.15 K. The thermodynamic parameters calculated from temperature-dependent isotherms suggested that U(VI) adsorption on Ca/Al-LDH@CNTs were endothermic and spontaneous process. Furthermore, Ca/Al-LDH@CNTs could remove ∼91% of 241 Am(III) at pH = 8.0, which confirmed Ca/Al-LDH@CNTs as a promising material for multiply low level radionuclides’ pollution remediation.
研究领域:
环境科学
·
材料科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ACS Applied Materials & Interfaces
·
2024
·
IF 8.3
Peifeng Feng,Lichun Ma,Mingguang Zhang,Yiling Quan,Mingzhuan Li,Xin Zhou,Xingyao Liu,Xigao Jian,Jian Xu
To improve the mechanical performance of carbon fiber (CF)/epoxy composites in high-temperature environments, a moderately modulus gradient modulus interlayer was constructed at the interface phase region of composites. This involved the design of a “rigid-flexible” synergistic reinforcement structure, incorporating rigid nanoparticle GO@CNTs and a flexible polymer polynaphthyl ether nitrile ketone onto the CF surface. Notably, at 180 °C, compared to commercial CF composites, the CF-GO@CNTs-PPENK composites displayed a remarkable improvement in their mechanical characteristics (interfacial shear, interlaminar shear, flexural strength, and modulus), achieving enhancements of 173.0, 91.5, 225.7, and 376.4%, respectively. The principal reason for this the moderately modulus interface phase composed of GO@CNTs-PPENK (where GO and CNTs predominantly consist of carbon atoms with sp2-hybridized orbitals, forming highly stable C–C structures, while PPENK possesses a “twisted non-coplanar” structure), which exhibited resistance to deformation at high temperatures. Moreover, it greatly improved the mechanical interlocking, wettability, and chemical compatibility between CF and the epoxy. It also played a crucial role in balancing and buffering the modulus disparity. The interface failure behavior and reinforcement mechanisms of the CF composites were analyzed. Furthermore, validation of the presence of a moderately modulus gradient interlayer at the interface phase region of CF-GO@CNTs-PPENK composites was performed by using atomic force microscopy. This study has established a theoretical foundation for the development of high-performance CF composites for use in high-temperature fields.
研究领域:
材料科学
·
复合材料工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Sustainable Materials and Technologies
·
2024
·
IF 8.6
Zhengyu Jin,Haixian Liu,Yile Chen,Zhi Wang,Lifang Wang,Jiaping Wang,Hongwei Liu
Long-term marine engineering equipment and infrastructure service will inevitably encounter corrosion and biofouling issues. However, the design and development of the integrated anti-corrosion and anti-biofouling coatings still face challenges. In this work, two types of coatings are designed based on the principles of liquid perfusion on a porous layered double hydroxides (LDH) film. The paraffin coating on LDH film has a good self-cleaning property against sea water, dyed deionized water, and coffee. Due to the resin perfusion, the adhesion force of epoxy resin coating increases by 50.9 % compared to bare steel. NiCo 2 S 4 -CNTs and NiCo 2 S 4 -CNTs-SPT nanomaterials with good anti-bacterial performance are prepared to significantly increase the coatings' mechanical strength, anti-corrosion, and anti-biofouling properties. NiCo 2 S 4 -CNTs-SPT/EP coating possesses the best performance. The stress strength of NiCo 2 S 4 -CNTs-SPT/EP coating is improved by 88.6 %, and the anti-biofouling efficiencies of NiCo 2 S 4 -CNTs-SPT/EP coating focusing on P. aeruginosa and C. vulgaris have high values of 98.66 % and 95.56 %, respectively. NiCo 2 S 4 -CNTs-SPT/EP coating has high impedance values of more than 10 9 Ω cm 2 after 70th day of testing, and the impedance changes little with time. The long-term anti-corrosion ability of NiCo 2 S 4 -CNTs-SPT/EP coating is confirmed by 600 h salt spray tests and 200 d field exposure tests.
研究领域:
材料科学
·
海洋工程
·
生物学
✓ 已验证
产品关联
DOI
高影响因子
Chemistry-An Asian Journal
·
2026
·Vol. 21
·期 15
·e70914
·
IF 3.2
Xiao Yang,Binglong Ma,Mingyang Dai,Junli Guo,Caixia Chi,Jian Hao
Anode-free lithium metal batteries (AFLBs) offer high energy density by plating Li directly on a current collector, but practical use is limited by dendrite growth and unstable SEI, which cause low Coulombic efficiency and rapid failure. Existing 3D hosts can still suffer top-surface–dominated deposition and poor pore utilization under polarization. Here, a sandwich CNT–Si–CNT current collector was prepared by gradient vacuum filtration. The embedded Si as lithiophilic sites could promote the internal deposition of Li in the carbon nanotubes (CNTs) network, while the 3D interconnected structure facilitates efficient electron transfer and ion diffusion. The Li plating/stripping behavior on CNT–Si–CNT was evaluated using a Li half-cell, symmetric-cell, and LFP full-cell test. The optimized 5Si–CNTs reduced Li nucleation overpotential to 21.3 mV and achieved an average CE of 90.53% over 100 cycles at 1 mA cm −2 (2 mAh cm −2 ). It also delivered stable symmetric-cell cycling (210 h at 0.25 mA cm −2 ) with low polarization and improved LFP full-cell discharge capacity retention. Overall, embedding lithiophilic sites within a lightweight carbon nanotube (CNT) scaffold provides a practical route to more uniform Li plating and enhanced reversibility for AFLBs.
✓ 已验证
产品关联
DOI
高影响因子
APPLIED SURFACE SCIENCE
·
2024
·
IF 6.3
Sixuan Zhang,Jinzhao Huang,Jun Tang,Zehui Liu,Xiaolong Deng
The high entropy alloy (HEA) composed of five or more elements possesses excellent electrochemical hydrogen evolution reaction (HER) performance in alkaline electrolytic water due to the synergistic action of multiple main elements. However, high-entropy alloy catalysts typically have a single structure, and great challenges remain in designing complex structures (heterostructures) to adjust the electron layout to facilitate water decomposition for hydrogen production. Here, we successfully synthesized NiMoCoMnLa@Ni high entropy alloy (HEA/CNTs@Ni) heterostructures electrocatalysts supported on multi-walled carbon nanotubes (CNTs) by a simple two-step low temperature oil phase method. The results showed that the heterogeneous structure of HEA/CNTs and Ni led to electron reconfiguration and accelerated electron transfer rate as well as the optimized hydrogen adsorption energy and the increased number of active sites of catalyst. Therefore, the catalyst showed high electrocatalytic activity and stability for hydrogen evolution reaction. The overpotential is only 146 mV at 10 mA/cm 2 with low Tafel slope of 79 mV/dec in 1 M KOH solution. It is worth noting that the catalyst is maintained at a high current density of 80 mA/cm 2 for 24 h, and its current density does not decrease significantly or even shows a trend of enhancement, which effectively improves its HER performance in alkaline solution. This work provides a valuable guidance for fully exploring the potential of HEA catalyst in alkaline electrochemical hydrogen evolution reactions.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
MATERIALS RESEARCH BULLETIN
·
2017
·
IF 2.446
Meipeng Zhou,Yongjin Mai,Hongjie Ling,Fuxian Chen,Weiqi Lian,Xiaohua Jie
A novel colloidal solution containing low concentration carbon nanotubes (CNTs) is proposed as the plating solution of electrodeposition to prepare CNTs/copper (CNTs/Cu) composite coatings. The CNTs/Cu composite coatings are characterized by X-ray diffraction and scanning electron microscope. Their tribological behaviors are evaluated in dry conditions over a range of applied loads and CNTs content in plating solution. Negatively charged CNTs stably coexist with [Cu II EDTA] 2− complexes due to the electrostatic repulsion between them, which facilitates the homogenous electrodeposition of individual CNTs in the Cu matrix and reduction of CNTs content required in the plating solution. The CNTs concentration in plating solution significantly affects the surface morphology and compactness of the deposits. CNTs/copper composite coatings obtained from the plating solution with moderate CNTs concentration, e.g. 0.12 g L −1 , show obviously lower and steadier friction coefficient and higher wear resistance than pure copper coatings.
研究领域:
材料科学
·
表面工程
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
BIOELECTROCHEMISTRY
·
2025
·
IF 4.5
Tingting Tian,Lixia Chen,Taiguang Li,Xiang Wang,Sen Yang,Huiqun Wang,Yujie Jiang,Xin Yao,Hong Zhao,Dengchao Wang,Xiangjun Li
Electrochemiluminescence (ECL) is highly recommended in chiral recognition. ECL-based chiral sensors highly desire a sensitive sensing interface for signal conversion and absolute chiral discrimination. The ECL emission based on a luminol-dissolved O 2 system received much attention due to its nontoxicity and stability. However, the drawback of weak ECL emission hinders the fast signal conversion from chiral discrimination to ECL response. Herein, the amplification strategy of ECL emission is proposed based on the electrochemical reduction enhanced O 2 reduction reaction (ORR). Cadmium sulfide decorated on carbon-nanotubes (CdS/CNTs) with easy synthesis, wide-pH operation, and suitable valence-conduction band position is employed. Upon cathodic scan, the electrons transfer from electrochemically reduced-CdS/CNTs to O 2 and H 2 O 2 , thus accelerating the generation of reactive oxide species (ROS) and furthering ECL emission. Furthermore, the chiral ECL sensing interface is well-designed by combining the chiral recognition of D-amino acid oxidase (DAAO) with the signal transduction and amplification of CdS/CNTs-enhanced ECL emission. During DAAO-catalyzed enantioselective-oxidations of alanine, the O 2 is converted to H 2 O 2 , which tunes the ROS generation. With synergetic regulations of ROS generation by nano-derived CdS/CNTs and bio-derived DAAO, alanine enantiomers are highly discriminated and the L-alanine is quantitatively detected with the most competitive detection limit so far (0.014 fM).
研究领域:
分析化学
·
生物化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2021
·
IF 8.128
Yuhang Han,Jie Yuan,Yuhang Zhu,Qiangqiang Wang,Lin Li,Maosheng Cao
Microwave absorption materials can protect humanity from harmful electromagnetic radiation , but it is still a challenge to absorb electromagnetic radiation with different bands simultaneously. Herein, an effective strategy for obtaining WSe 2 @CNTs nanohybrids is reported. The conductive network and polarization of WSe 2 @CNTs nanohybrids can be tailored by confinedly implanting WSe 2 nanosheets on multi-walled carbon nanotubes. The electromagnetic properties and microwave absorption performance of the nanohybrids are effectively adjusted via changing the hybrid ratio of WSe 2 and CNTs . Multi-band microwave absorption is achieved with up to three bands. The reflection loss (RL) of the sample can reach −60.1 dB, and the bandwidth can reach 4.24 GHz (RL ≤ −10 dB). The excellent microwave absorption performance is attributed to the conductance and multiple relaxations, as well as the synergistic effect of the two. This result confirms that WSe 2 @CNTs nanohybrids are potential candidates for high-efficiency microwave absorbers and provide a valuable pathway for designing high-performance microwave absorption materials in the future.
研究领域:
材料科学
·
电磁学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Small
·
2024
·
IF 13
Haodong Gu,Li Tian,Qiuqi Zhang,Xiao You,Mengmeng Wang,Shaoming Dong,Jinshan Yang
Electromagnetic protection in extreme environments requires materials with excellent thermal insulation capability and mechanical property to withstand severe temperature fluctuations and complex external stresses. Achieving strong electromagnetic wave absorption (EMA) while sustaining these exceptional properties remains a significant challenge. Herein, a facile approach is demonstrated to fabricate a biomimetic leaf-vein MXene/CNTs/PI (MCP) aerogel with parallel venations through bidirectional freeze-casting method. Due to its multi-arch lamellar structure and parallel venations within the aerogel layers, the ultralight MCP aerogel (16.9 mg·cm −3 ) achieves a minimum reflection loss (RL min ) of −75.8 dB and a maximum effective absorption bandwidth (EAB max ) of 7.14 GHz with an absorber content of only 2.4 wt%, which also exhibits superelasticity and structural stability over a wide temperature range from −196 to 400 °C. Moreover, this unique structure facilitates rapid heat dissipation within the layers, while significantly impeding heat transfer between adjacent layers, achieving an ultralow thermal conductivity of 15.3 mW·m −1 ·K −1 for thermal superinsulation. The combination of excellent EMA performance, robust structural stability, and thermal superinsulation provides a potential design scheme under extreme conditions, especially in aerospace applications.
研究领域:
材料科学
·
航空航天工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）