MATERIALS RESEARCH BULLETIN
·
2025
·
IF 5.7
Kang Wei,Jun Li,Xiao Sun,Meng Shao,Jianguo Tang,Soowohn Lee
rGO/Ni(OH) 2 /Ni 3 S 2 composite electrode materials were successfully synthesized on Ni foam (NF) by a two-step hydrothermal process and subsequent alkalization treatment. To investigate the influence of reaction time in the secondary hydrothermal process, three different hydrothermal times (4 h, 6 h, 8 h) were set. The results showed that the electrode had the highest specific capacitance of 2260 F·g −1 at 1 A·g −1 at the hydrothermal reaction time of 6 h, (4 h: 1807.8 F·g −1 , 8 h: 1358.3 F·g −1 ). In addition, it exhibited prominent rating capability and cycling stability, with 41.7% retention at 10 A·g −1 and 137.9% retention after 5000 cycles at 50 mV⋅s −1 . Finally, the assembled hybrid supercapacitor (HSC) with rGO/Ni(OH) 2 /Ni 3 S 2 /NF (6 h) and active carbon displayed outstanding electrochemical performance. When the power density was 400.5 W⋅kg −1 , it showed the energy density (25.2 Wh⋅kg −1 ), proving its potential as electrode materials for HSC devices.
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产品关联
DOI
高影响因子
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
·
2018
·Vol. 165
·期 16
·A3642
·
IF 3.662
Qingzhou Wang,Yichun Wang,Xin Zhang,Gongkai Wang,Puguang Ji,Fuxing Yin
Sodium ion capacitors (SICs) represent a promising alternative of energy storage device with high energy/power densities as well as long life span. Exploration of novel anode materials with typically high rate performance is a shortcut to boost the performance of SICs. Here, we present a WSe2/reduced graphene oxide (rGO) nanocomposite synthesized by a home-made chemical vapor deposition (CVD) method. WSe2 nanoparticle is deposited uniformly at the surface of rGO nanosheets. The unique structure endows the composite with outstanding electrochemical properties. The specific capacity of 133.3 mAh g−1 at an ultrahigh current density of 60 A g−1 can be delivered. The sodium ion storage kinetics was investigated, exhibiting very high ratio of capacitive contribution during the sodium ion reaction process. The SICs based on the WSe2/rGO nanocomposite as anode show the maximum energy density of 42.8 W h kg−1 and maximum power density of 14.4 kW kg−1 as well as the superior cyclic stability, proving the promising of WSe2/rGO anode for SICs application.
研究领域:
材料科学
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能源存储技术
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DOI
高影响因子
DESALINATION
·
2020
·
IF 7.098
Binglin Bai,Xiaohong Yang,Rui Tian,XuanXuan Wang,Haibo Wang
Solar steam generation has become the most promising solar-thermal applications in recent years. Scientists often focus on the search for superior materials, efficient structures, while ignoring the use of residual heat from the water at the bottom. In this paper, a membrane distillation system that utilizes residual heat was added in a new solar house of a domestic hot water and drinking water supply system in the first place. The pDA-rGO-PTFE membrane as an excellent evaporator was characterized in solar steam generation system, which possesses good hydrophilicity capacity and high intrinsic absorption properties . And at the optimal concentration of 20 mg/mL, the evaporation rate and efficiency of pDA-rGO-PTFE membrane could reach up 1.45 kg·m −2 ·h −1 and 93.8% respectively in one sun (one sun = 1kw·m −2 ). The PTFE membrane as a separator was applied in a membrane distillation system. Under average 0.66 sun in the natural environment, the average evaporation rate of a new solar house could reach about 1.10 kg·m −2 ·h −1 , and there is an additional 0.71 kg·m −2 ·h −1 membrane permeation flux by the residual heat. In addition, the new solar house showed an excellent durability and desalination ability, the ions rejection rations of the collected condensate water were close to 99.8%. Hence, we conclude that further ideas of a new solar house were provided for solving water scarcity, domestic water consumption and the application of solar steam generation in the future.
研究领域:
能源科学
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环境工程
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材料科学
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可持续技术
·
水处理技术
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DOI
高影响因子
Sustainable Energy Technologies and Assessments
·
2024
·
IF 7.1
Yuanyuan Zhang,Lu Wang,Dong Zhang
Structure supercapacitors (SSC) have aroused tremendous interest in building energy storage due to their dual function of electrochemical-mechanical properties. As well known, the low energy storage capacity limits their development. To enhance the energy density of SSC, lots of high-performance structural electrodes were developed. Herein, Mg and S elements were used to regulate the microstructure of the binary metal hydroxide, which could improve the electrode’s electrochemical performance. As we expected, rGO/N 1 C 3 Mg-S 4 ′ electrode exhibits high areal capacitance (10.20F/cm 2 ), which boosts the electrochemical capacitance of SSC. Our device based on rGO/N 1 C 3 Mg-S 4 ′ electrode exhibits a high areal capacitance (179.21 mF/cm 2 ) and a high energy density (56 μWh/cm 2 ) at 3 mA/cm 2 . More importantly, the electrochemical performance of our device doesn’t change obviously under a certain amount of pressure, demonstrating its good practical application potential in buildings.
研究领域:
材料科学
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电化学
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储能技术
·
纳米技术
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DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
·
IF 6.3
Dongju Liu,Kunlan Diao,Daohai Zhang,Yupeng Hu,Zhi Lei,Teng Zhou,Kaixiang Zou,Shuhao Qin
With the popularity of wireless communication technology, the problem of electromagnetic radiation and interference is highlighted, and the development of efficient electromagnetic shielding materials has become a research priority. In this study, firstly, polyvinyl alcohol/sodium alginate (PVA/SA) hydrogels were prepared by physical cross-linking method, and further, iron-based metal-organic frameworks (Fe-MOFs) were prepared by solvothermal synthesis method, and with reduced graphene oxide (RGO) as a conductive filler, and γ-aminopropyltriethoxysilane (KH550) as a cross-linking agent, were prepared by chemical cross-linking method. Modified polyvinyl alcohol/sodium alginate/iron based metal organic framework/reduced graphene oxide (PVA/SA/Fe-MOF/RGO-KH550) composite hydrogel. The results show that the composite hydrogel has a compressive stress of 20.13 MPa, a compressive strain of 83.28 %, and an electromagnetic shielding efficiency of 39.98 dB at a thickness of 3 mm, which reaches the mid-range and high-end level, and it can be applied to industrial control, small and medium-sized data centres, automotive electronics, and general medical devices with medium-high requirements. The excellent performance of the hydrogel comes from the conductive properties and interfacial polarisation effect of RGO, the dielectric loss of Fe-MOF, which work in synergy, and KH550 optimises the interfacial bonding between the filler and the substrate to form a denser crosslinked structure, which strengthens the mechanical properties and electromagnetic shielding effect. The hydrogel preparation process is simple and low-cost, which provides a reference for the design of high-performance electromagnetic shieldingmaterials and an effective solution to the problem of electromagnetic interference.
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产品关联
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE
·
2025
·
IF 3.9
Ma Junjie,Li Wei,Yang Deyi,Liu Zheng,Cao Yuyuan,Wang Shaocong,Han Guo-Cheng,Chen Qizhi
N-RGO/Na 3 V 2 (PO 4 ) 3 dual-modified Na 2 Fe 0.6 Mn 0.4 PO 4 F composites were prepared by sol–gel method combined with high-temperature calcination at 625 °C. Electrochemical tests show that the initial discharge specific capacity of N-RGO/Na 3 V 2 (PO 4 ) 3 -modified Na 2 Fe 0.6 Mn 0.4 PO 4 F composites is 149.27 mAh·g −1 at a current density of 0.05 C, and the discharge specific capacity can be maintained at approximately 101.89 mAh·g −1 after 100 cycles. This accounts for 68.26% of its initial discharge specific capacity. Rate performance tests showed that after cycling the current density back to 0.2 C, it was still able to recover to a discharge specific capacity close to 119 mAh·g −1 . At the same time, the interfacial properties of the N-RGO/Na 3 V 2 (PO 4 ) 3 dual-modified Na 2 Fe 0.6 Mn 0.4 PO 4 F composites were studied, and it was found that the capacity attenuation was due to irreversible structural changes such as agglomerated block cracking and structural collapse during multiple cycles, as well as the gradual thickening of the SEI film with the increase in cycle times. This study aims to apply N-RGO/Na 3 V 2 (PO 4 ) 3 dual-modified Na 2 Fe 0.6 Mn 0.4 PO 4 F composites to cathode materials for sodium-ion batteries, providing a theoretical basis for the development of fluorinated poly-anion compounds.
研究领域:
材料科学
·
电化学
·
储能技术
·
纳米材料
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电池技术
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产品关联
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2020
·Vol. 31
·期 6
·5008-5016
·
IF 2.22
Peng Fang,Wang Shaojie,Yu Weiwei,Huang Tiantian,Sun Yan,Cheng Chuanwei,Chen Xin,Hao Jiaming,Dai Ning
Gas sensors with high performance and low energy consumption are necessary for system integration in the environment monitoring of explosives. High-performance room-temperature hydrogen sulfide (H 2 S) gas sensors were fabricated based on the hybrids of tungsten oxide (WO 3 )/reduced graphene oxide (rGO). WO 3 nanocubes modified with different contents of rGO were synthesized by acid-based hydrothermal method. The optimal amount of rGO in the composite is 5 wt%, at which the room-temperature operating sensor presents the highest sensitivity of approximately 32.7 to 500 ppb H 2 S, a fast recovery time of ~ 180 s, as well as an excellent sensing selectivity. The overall improvement in sensing performances demonstrated an important progress made in H 2 S sensor fabrication for portable and real-time gas detection. The improved gas-sensing performance is attributed to the large specific surface area of the WO 3 nanocubes, the formation of WO 3 /rGO heterojunctions, and the enhanced electron transfer efficiency.
研究领域:
材料科学
·
环境监测
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DOI
高影响因子
CHINESE JOURNAL OF CHEMICAL ENGINEERING
·
2021
·
IF 3.171
Yingmeng Zhang,Luting Liu,Qingwei Deng,Wanlin Wu,Yongliang Li,Xiangzhong Ren,Peixin Zhang,Lingna Sun
Hybrid CuO-Co 3 O 4 nanosphere building blocks have been embedded between the layered nanosheets of reduced graphene oxides with a three dimensional (3D) hybrid architecture (CuO-Co 3 O 4 -RGO), which are successfully applied as enhanced anodes for lithium-ion batteries (LIBs). The CuO-Co 3 O 4 -RGO sandwiched nanostructures exhibit a reversible capacity of ~847 mA·h·g −1 after 200 cycles’ cycling at 100 mA·g −1 with a capacity retention of 79%. The CuO-Co 3 O 4 -RGO compounds show superior electrochemical properties than the comparative CuO-Co 3 O 4 , Co 3 O 4 and CuO anodes, which may be ascribed to the following reasons: the hybridizing multicomponent can probably give the complementary advantages; the mutual benefit of uniformly distributing nanospheres across the layered RGO nanosheets can avoid the agglomeration of both the RGO nanosheets and the CuO-Co 3 O 4 nanospheres; the 3D storage structure as well as the graphene wrapped composite could enhance the electrical conductivity and reduce volume expansion effect associated with the discharge-charge process.
研究领域:
材料科学
·
能源存储
·
纳米技术
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DOI
高影响因子
Nanoscale
·
2020
·Vol. 12
·期 48
·24394-24402
·
IF 6.895
Yuhan Liu,Malin Li,Yingying Zheng,Hezhe Lin,Ziyang Wang,Wen Xin,Chunzhong Wang,Fei Du
Potassium-ion batteries (PIBs) are considered a promising alternative to lithium-ion batteries (LIBs) for next-generation energy storage due to the abundance and competitive cost of potassium resources. However, the excavation and the development of proper electrodes for PIBs are still confronted with great challenges. Herein, a self-assembled bismuth sulfide microsphere wrapped with reduced graphene oxide was fabricated to form a heterostructured Bi2S3@RGO composite via a visible-light-assisted method and served as the anode for PIBs. The as-prepared Bi2S3@RGO composite presented a high reversible specific capacity of 538 mA h g−1 at 0.2 A g−1 and superior rate capability of 237 mA h g−1 at a high current density of 2 A g−1 after 300 cycles. In particular, the high capacity could be ascribed to the synergistic effect of the conversion and alloying reactions during the electrochemical processes, which was validated by ex situ X-ray diffraction. The fabrication of a unique heterostructure combining the self-assembled Bi2S3 microspheres and flexible RGO boosted the facile charge transfer, leading to the enhanced cyclic stability and rate performance.
研究领域:
材料科学
·
能源存储技术
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DOI
高影响因子
CARBON
·
2019
·
IF 7.466
Ibrahim Abdalla,Ahmed Elhassan,Jianyong Yu,Zhaoling Li,Bin Ding
The quick improvement of up-to-date communication technology has generated ubiquitous electromagnetic wave (EMW), which poses a significant hazard to environment and human health. One of the key challenges associated with EMW is to develop highly lightweight and efficient adsorption materials that are able to alleviate the unfavorable interferences in wide-ranging frequency. Herein, we fabricated a hybrid porous carbon nanofibers (CNFs) membrane combined with reduced graphene oxide (rGO) and magnetic nanoparticles by electrospinning process followed by calcination . The composite membrane exhibited high-efficiency absorbing abilities due to its particular porous structure and introduced components in the final sample. Specifically, both cobalt and iron nanoparticles captured into CNFs are advantageous to the electrical conductivity of the membrane by lessening the contact loss via creating the metal-metal crossing points within membrane. The introduced components are capable of enhancing the absorption performance due to the improved permittivity ( ε r ) and permeability ( μ r ) in the composite structure. The minimum reflection loss (R L min ) value was demonstrated to be −43.60 dB at 5.84 GHz with a matching thickness of 5 mm. The synthesis of nanofibrous composite in this work identifies a new direction to fabricate advanced EMW absorption materials towards broad practical applications.
研究领域:
材料科学
·
环境科学
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DOI
高影响因子
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
·
2022
·
IF 9.463
Fan Xie,Kun Gao,Longhai Zhuo,Fengfeng Jia,Qin Ma,Zhaoqing Lu
In this contribution, we demonstrated an efficient approach for constructing conductive aramid nanofibers based porous architectures by graphene oxide and Ti 3 C 2 T x via freeze drying and subsequent thermal reduction. Specifically, the aramid nanofibers laid the foundation for mechanical enhancement and good electrical conductivity of Ti 3 C 2 T x and RGO ensured outstanding electromagnetic shielding ability. The resultant Ti 3 C 2 T x /RGO/ANFs hybrid aerogel presented a spongy structure, which was conducive to the dissipation of incident electromagnetic waves through multiple reflection and scattering. The electromagnetic shielding efficiency reached 54.8 dB in X-band (8.2–12.4 GHz) with 25 wt% loading content of Ti 3 C 2 T x . When the addition amount of Ti 3 C 2 T x was 5 wt%, the optimum compressive stress of Ti 3 C 2 T x /RGO/ANFs hybrid aerogel reached 200 kPa under 70% strain with a relatively low density of 0.062 g/cm 3 . This work provided a feasible approach to fabricate robust hybrid aerogel with excellent electromagnetic shielding performance and compression resilience.
研究领域:
材料科学
·
电磁学
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DOI
高影响因子
Materials Today Communications
·
2026
·
IF 4.5
Wenwen Ding,Minzhi Chen
To address the key challenges in the synergistic optimization of low-cost fabrication, high sensing performance in wearable electronic textiles, this study developed a flexible pressure sensor based on cotton fabric modified with a synergistic combination of reduced graphene oxide (RGO) and carbon nanotubes (CNTs). Through a simple and efficient ultrasonic-assisted immersion combined with a chemical in-situ reduction process, a uniform RGO/CNTs hybrid conductive network was successfully constructed on the surface of knitted cotton fabric fibers, forming a sensing layer with a hierarchical microstructure. System characterization and performance evaluation demonstrated that the synergistic effect of RGO and CNTs significantly enhanced sensor performance: compared to single RGO modification, the composite sensor’s sensitivity increased by 131% (from 0.99 to 2.29 kPa⁻¹), while the pressure detection range was expanded to 0～142 kPa. Benefiting from the layered porous structure of the textile substrate and stable interface bonding, the sensor demonstrates outstanding comprehensive performance, including high sensitivity (2.29 kPa⁻¹) in the low-pressure range (0～25.69 kPa), fast dynamic response (response/recovery time: 84ms/92ms), a wide linear detection range (0～142 kPa), and excellent mechanical stability (no significant performance degradation after 12,000 compression cycles). Practical application verification confirms that this sensor can be used in fields such as human health monitoring, motion monitoring, and voice monitoring, demonstrating its potential applications in wearable electronics and smart clothing.
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DOI
高影响因子
危险品化学品经营许可证（带存储）