JOURNAL OF MEMBRANE SCIENCE
·
2021
·
IF 8.742
Hanhan Chen,Xiaobin Wang,Yi Liu,Tengfei Yang,Naitao Yang,Bo Meng,Xiaoyao Tan,Shaomin Liu
Despite many methods available to synthesize MOF membrane, the cost-effective synthesis with high reproducibility and scalability is still a challenge. We present here a homologous support-induced approach for the growth of ZIF membrane supported on the dual-layer ZnO–Al2O3 hollow fibers, which has the potential for applications at larger scales. The developed unique dual-layer hollow fibers consisting of a thin outer ZnO layer firmly attached onto an inner porous alumina substrate were realized through one-step co-extrusion/sintering technique. During the MOF membrane synthesis, ZnO can be used not only as the support, but also as the nucleation sites and growth centers for the ZIF-8 membrane formation. More importantly, ZnO can act as a transitional bridge to direct the membrane growth outward along the support and inward embedded into the support, which significantly improving the binding force between the support and MOF, thus bringing in the outstanding membrane stability. Permeation of single gas and separation of binary mixtures revealed that the prepared membranes were free of defects. The resultant ZIF-8 composite membrane exhibits good hydrogen separation performance and excellent reproducibility. This protocol can achieve an easy and large-scale synthesis. In addition to ZIF-8 membrane, ZIF-67 membrane was also successfully synthesized via this method, which may provide some general guidelines for the preparation of other MOF membranes.
研究领域:
材料科学
·
化学工程
✓ 已验证
DOI
高影响因子
ACS Omega
·
2020
·
IF 2.87
Zhigang Zhu,Lin Yang,Yongxian Yu,Lijing Zhang,Shengyang Tao
The integration of light-converting media and microflow chemistry renders new opportunities for high-efficient utilization of solar energy to drive chemical reactions. Recently, we proposed a design of fluorescent fluid photochemical microreactor (FFPM) with a separate light channel and reaction channel, which displays excellent advantages in energy efficiency, flexibility, and general use. However, the limitations of the scalability of the microchannel reactor are still a big challenge to be overcome. Herein, we illustrate the scalability of such an FFPM via a 2n numbering-up strategy by 3D printing technology. Channel shape, number, and interchannel spacing have been optimized, and the serpentine FFPM shows the best scalability with an excellent conversion rate and massive throughput. Reactors with up to eight channels have been fabricated and displayed conversions comparable to that obtained in a single-channel reactor, which provides a feasible strategy and an optimized structure model for batch production of fine chemicals.
研究领域:
化学工程
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材料科学
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光化学
✓ 已验证
DOI
高影响因子
ADVANCED MATERIALS
·
2022
·Vol. 34
·期 21
·2200693
·
IF 32.086
Su Yang,Xiaoming Tao,Wei Chen,Jianfeng Mao,Heng Luo,Shuping Lin,Lisha Zhang,Jianhua Hao
The progress of spontaneous energy generation from ubiquitous moisture is hindered the low output current and intermittent operating voltage of the moisture-electric generators. Herein a novel and efficient ionic hydrogel moisture-electric generator (IHMEG) is developed by rational combination of poly(vinyl alcohol), phytic acid, and glycerol-water binary solvent. Thanks to the synergistic effect of notable moisture-absorption capability and fast ion transport capability in the ionic hydrogel network, a single IHMEG unit of 0.25 cm 2 can continuously generate direct-current electricity with a constant open-circuit voltage of ≈0.8 V for over 1000 h, a high short-current density of 0.24 mA cm −2 , and power density of up to 35 µW cm −2 . Of great importance is that large-scale integration of IHMEG units can be readily accomplished to offer a device with voltage up to 210 V, capable of directly driving numerous commercial electronics, including electronic ink screen, metal electrodeposition setup, and light-emitting-diode arrays. Such prominent performance is mainly attributed to the enhanced moisture-liberated proton diffusion proved by experimental observation and theoretical analysis. The ionic hydrogel with high cost-efficiency, easy-to-scaleup fabrication, and high power-output opens a brand-new perspective to develop a green, versatile, and efficient power source for Internet-of-Things and wearable electronics.
研究领域:
材料科学
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能源技术
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环境科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
PROGRESS IN ORGANIC COATINGS
·
2023
·
IF 6.6
Zian Wang,Longhui Zheng,Lixin Wu,Zixiang Weng
Omniphobic coatings with low contact angle hysteresis (CAH) are of great practical significance. Yet, the mass production of coating with high transparency and a long service life through a facile and scalable approach still remains a challenge. By constructing covalent bonds between glass substrate and coating, in this work, a facile approach for the preparation of slippery coating for glass by ultrasonically immersing the substrate in a copolymer solution was proposed, which is a promising material to meet all aforementioned requirements. Corresponding results showed that the CAH for water and hexadecane on the surface of coating are both lower than 5°, while the CAH for high-viscosity glycerol is around 13°. Also, the transmittance of the coated glass at a visual wavelength of 550 nm is as high as 93 %. Thanks to the thermal self-healability of the coating, the omniphobicity experienced sand drop abrasion, water cleaning and high-speed water impact can be regained. Still, the transmittance is over 90 %. Meantime, it is gratifying to see that the omniphobicity can be self-healed by using a portable hair drier at a designated area efficiently. This facile approach presented here shows potential in the scalable preparation of self-cleaning and anti-fouling coatings with high transparency.
研究领域:
材料科学
·
表面工程
✓ 已验证
产品关联
DOI
高影响因子
WASTE MANAGEMENT
·
2025
·
IF 7.1
Tianxiang Deng,Yi Chen,Delong Hou
The recycling of discarded THHN cables generates a substantial amount of mixed PVC/PA waste plastics, presenting a significant challenge to achieving sustainable development. In this study, we present a simple, catalyst-free, and scalable approach for upcycling all components of mixed PVC/PA waste. This method leverages HCl released from PVC during hydrothermal treatment to catalyse the cleavage of amide bonds in PA, converting mixed PVC/PA waste into valuable platform chemicals (over 80 % product yield) and carbon black within 30 min. Our work demonstrates a high-value recycling process for mixed PVC/PA waste in discarded THHN cables, reducing the generation of harmful Cl-containing waste, mitigating environmental pollution caused by mixed plastics, and offering valuable insights for the recycling of other PVC-containing mixed plastic wastes.
研究领域:
环境科学
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材料工程
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化学工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Nature Communications
·
2025
·Vol. 16
·期 1
·1-12
·
IF 15.7
Li Zhongyang,Gong Jue,Zhu Zhikai,Liu Donghao,Hu Qingyang,Wang Yiming,Liu Xuqiang,Zhou Shuo,Luo Hui,Wang Dong,Liu Xingyi,Yang Zengxi,Tang Min,Kong Qingyu,Adama N-Diaye,Zhang Kai,Yan Shuai,Zhang Lili,Zeng Xiaohui,Yu Zhenhai,Xia Wei,Yuan Jian,Li Mingtao,Li Nana,Dong Hongliang,Zhang Ziyou,Shu Haiyun,Ding Yang,Wang Dongbo,Guo Yanfeng,Xu Tao,Kong Lingping,Yang Wenge,Mao Ho-kwang,Liu Gang
Materials science exploits only properties that are available at ambience. Therefore, although high-pressure changes the physical state of all condensed matter, most of the extraordinary properties discovered vanish after decompression and cannot be utilized. Here, we demonstrate sublattice decoupling in a mixed-anion chalcohalide Rb 6 Re 6 S 8 I 8 upon compression, in which the [Rb 6 I 2 ] 4+ framework is soft and plastic, while the [Re 6 S 8 I 6 ] 4- clusters are hard and elastic. This discrepancy in the rigidity allows the applied pressure to selectively amorphize the framework while maintaining the ordered state in the cluster, leading to intriguing photocurrent generation and enhancement upon compression. These high-pressure properties are retained at ambience, permitting scalable synthesis of the decompressed samples using a large-volume press, followed by further fabrication into self-powered broadband photodetectors with a response time of ~ 10 2 μs and a specific detectivity of ~ 10 11 Jones. This study subverts the stereotype that pressure engineering is hardly to be employed for device applications.
研究领域:
材料科学
·
物理学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Nano Energy
·
2021
·
IF 17.881
Yuanyuan Gao,Zihua Li,Bingang Xu,Meiqi Li,Chenghanzhi Jiang,Xiaoyang Guan,Yujue Yang
With rapid advancement in wearable electronics, textile-based triboelectric nanogenerators (T-TENGs) have attracted great attention for energy harvesting and bio-motion sensing because of their softness, lightweight, and comfort properties. However, the interface bonding between functional materials and textile substrate , and the compatibility with manufacturing still face considerable challenges. Herein, a kind of scalable core–spun coating yarn-based triboelectric nanogenerators (CSCY-TENGs) with a hierarchical architecture is designed and developed via continuous manufacturing which integrates yarn spinning, coating and braiding technologies to achieve fully continuous production. In this method, spinning technology was used to spin a kind of conductive core-spun yarns with silver-plated nylon yarn (SNY) as core and insulating cotton fibers as shell, where SNY serves as electrode and cotton fibers serve as base materials for absorbing/coating with triboelectric materials. Then multiple core-spun yarns coated with nylon and doped polydimethylsiloxane are used as positive and negative triboelectric materials to realize hierarchical CSCY-TENGs by braiding technology. The CSCY-TENGs can be washed and compatible with industrial-scale manufacturing. Besides, it can achieve an output voltage of 174 V, and a peak power density and an average power density of 275 mW/m 2 and 57 mW/m 2 respectively. As demonstration, the CSCY-TENG can charge various commercial capacitors and power low-power electronics. It can also be used as an anti-theft alarm carpet and energy harvesting shoes for bio-motion detection and energy harvesting.
研究领域:
材料科学
·
能源技术
·
纺织工程
✓ 已验证
产品关联
DOI
高影响因子
Nature Communications
·
2023
·Vol. 14
·期 1
·1-9
·
IF 16.6
Gu Wancheng,Li Wanbo,Zhang Yu,Xia Yage,Wang Qiaoling,Wang Wei,Liu Ping,Yu Xinquan,He Hui,Liang Caihua,Ban Youxue,Mi Changwen,Yang Sha,Liu Wei,Cui Miaomiao,Deng Xu,Wang Zuankai,Zhang Youfa
Developing versatile, scalable, and durable coatings that resist the accretion of matters (liquid, vapor, and solid phases) in various operating environments is important to industrial applications, yet has proven challenging. Here, we report a cellular coating that imparts liquid-repellence, vapor-imperviousness, and solid-shedding capabilities without the need for complicated structures and fabrication processes. The key lies in designing basic cells consisting of rigid microshells and releasable nanoseeds, which together serve as a rigid shield and a bridge that chemically bonds with matrix and substrate. The durability and strong resistance to accretion of different matters of our cellular coating are evidenced by strong anti-abrasion, enhanced anti-corrosion against saltwater over 1000 h, and maintaining dry in complicated phase change conditions. The cells can be impregnated into diverse matrixes for facile mass production through scalable spraying. Our strategy provides a generic design blueprint for engineering ultra-durable coatings for a wide range of applications.
研究领域:
材料科学
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化学工程
·
表面科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2023
·
IF 19
Peng Liu,Rongyu Pan,Bingqing Li,Zhong Su,Bencai Lin,Minman Tong
MXene is a promising two-dimensional (2D) material for energy storage applications owing to its exceptional conductivity and controllable surface chemistry. Currently, aqueous etching methods for the preparation of MXene sheets require a substantial quantity of HF or HCl, leading to issues such as structural defects in the MXene sheets and severe corrosiveness due to the acidic nature of these etchants. This study proposes a mild in situ etching strategy for the preparation of MXene materials through hexafluoro complex anion hydrolysis etching. Etching is accomplished by gradually introducing water into a suspension composed of hexafluoro complex, ethanol, and Ti 3 AlC 2 . This process results in the production of high-quality MXene in a mild reaction environment with the weak acidity of the solution, making it suitable for scalable synthesis and process applications. Moreover, the inclusion of ethanol in the etching process increases the interlamellar spacing of MXene, thereby facilitating the stripping process and ultimately yielding of 28% in the production of single-layer MXene through shaking. The MXene incorporated into the Si/C anode demonstrates a notable reversible cycling capacity of 563 mAh g −1 after 120 cycles, accompanied by an initial coulombic efficiency (CE) of 83%, surpassing the performance of Si/C anodes modified with carbon nanotubes (CNTs) and Super P. The approach presented in this study offers a promising pathway for the safe, straightforward, and sustainable production of high-quality MXene materials.
研究领域:
材料科学
·
能源存储
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
ACS Nano
·
2020
·
IF 14.588
Yipeng Chen,Jinzhou Fu,Baokang Dang,Qingfeng Sun,Huiqiao Li,Tianyou Zhai
Nacre, an organic–inorganic composite biomaterial that forms an ordered multilayer microstructure after years of slow biomineralization, is known as the strongest and toughest material within the mollusc family. Its unique structure provides inspiration for robust artificial engineering materials. Lignocellulose is ultralightweight, abundant, and possesses a high mechanical performance and has been used for ages as a significant renewable raw material in wooden engineering composites. However, the inherent lack of mechanical properties of current wooden composites associated with the fragile microstructure has limited their applications in advanced engineering materials. Here, we develop a large-size ultralightweight artificial “wood nacre” with an ordered layer structure through a fast and scalable “mechanical/chemical mineralization and assembly” approach. The millimeter-thick artificial wooden nacre mimics the stratified construction of natural nacre, resulting in a bulk hybrid material that can achieve almost the same strength as natural nacre while consisting of only one-sixth of the total inorganic content of natural nacre. The specific strength and toughness of the artificial wooden nacre is even superior to engineering alloy materials (such as Cu and Fe). This approach represents an efficient strategy for the mass production of lightweight sustainable structural materials with high strength and toughness.
研究领域:
材料科学
·
仿生学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Advanced Science
·
2023
·Vol. 10
·期 35
·2304147
·
IF 15.1
Yi Hou,Guangda Zhu,Samantha O. Catt,Yuhan Yin,Jian Xu,Eva Blasco,Ning Zhao
Most plastics originate from limited petroleum reserves and cannot be effectively recycled at the end of their life cycle, making them a significant threat to the environment and human health. Closed-loop chemical recycling, by depolymerizing plastics into monomers that can be repolymerized, offers a promising solution for recycling otherwise wasted plastics. However, most current chemically recyclable polymers may only be prepared at the gram scale, and their depolymerization typically requires harsh conditions and high energy consumption. Herein, it reports less petroleum-dependent closed-loop recyclable silica-based nanocomposites that can be prepared on a large scale and have a fully reversible polymerization/depolymerization capability at room temperature, based on catalysis of free aminopropyl groups with the assistance of diethylamine or ethylenediamine. The nanocomposites show glass-like hardness yet plastic-like light weight and toughness, exhibiting the highest specific mechanical strength superior even to common materials such as poly(methyl methacrylate), glass, and ZrO 2 ceramic, as well as demonstrating multifunctionality such as anti-fouling, low thermal conductivity, and flame retardancy. Meanwhile, these nanocomposites can be easily processed by various plastic-like scalable manufacturing methods, such as compression molding and 3D printing. These nanocomposites are expected to provide an alternative to petroleum-based plastics and contribute to a closed-loop materials economy.
研究领域:
材料科学
·
环境科学
·
化学工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Journal of Magnesium and Alloys
·
2024
·
IF 15.8
Meihong Wu,Mingxia Gao,Shanqing Qu,Yongfeng Liu,Wenping Sun,Xin Zhang,Chu Liang,Xiaoyu Zhang,Yaxiong Yang,Hongge Pan
MgH 2 is a promising solid–state hydrogen storage material. However, its high thermodynamics and sluggish kinetics hinder its practical application. Catalytic strategy is effective in improving its kinetic performance. Nevertheless, the highly efficient catalysts or additives are normally of low-yield in fabrication with high cost. In this work, a novel structural LaVO 4 fabricated by a low-cost method of spraying dry followed by a calcination is used as a catalytic additive for the hydrogen storage of MgH 2 . With an optimized addition of LaVO 4 , the overall hydrogen storage performances of MgH 2 are significantly improved. An onset dehydrogenation temperature of only 183°C is obtained after an initial activation of dehydrogenation and hydrogenation. The system can desorb 5.7 wt% H 2 at 250°C within 10 min and maintains a dehydrogenation capacity of 5.0 wt% H 2 after 50 cycles. It is found that LaVO 4 is transferred to lanthanum hydride and metallic vanadium in the initial dehydrogenation process, the former acts as a highly effective catalyst for the hydrogen storage of MgH 2 and the latter undergoes reversible hydrogenation and dehydrogenation in the subsequent cycles. The structural design of the catalyst and its scalable fabrication are highly valuable in realizing the practical application of catalytic strategy for the hydrogen storage of MgH 2 .
研究领域:
材料科学
·
催化化学
·
能源存储
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）