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学者姓名:林起浪

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Petroleum residue-based ultrathin-wall graphitized mesoporous carbon and its high-efficiency adsorption mechanism Scopus
期刊论文 | 2024 , 148 | Diamond and Related Materials
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Abstract :

Creating petroleum residue-based new functional materials are vital for the sustainable development of petroleum residues. This study developed a method to prepare a petroleum residue-based ultrathin-wall graphitized mesoporous carbon (PGMC) with high specific surface area by the carbonization of a composite of the petroleum residue uniformly mixed with aluminium isopropoxide. Results show that the PGMC possesses a highly fluffy ultrathin-wall mesoporous structure with a high degree of graphitization. It had a high specific surface area of 1174 m2 g−1 with a high pore volume of 4.57 cm3 g−1 and a narrow pore size distribution at 8.09 nm. These unique features endow the PGMC with excellent adsorption properties for Congo red, Malachite green, and Methylene blue removal. The experimental data were better described with Freundlich isotherm and Quasi-second-order kinetic models. Thermodynamic analysis indicated a spontaneous and endothermic adsorption process. The adsorption mechanisms proposed that pore-filling effect, π-π conjugation, and electrostatic interaction were the main interactions between the PGMC and dyestuff, followed by functional groups and hydrogen bonding. Moreover, the PGMC could maintain good adsorption rates after five cycles, proving that it is an effective adsorbent with good adsorption ability and cycling stability. © 2024 Elsevier B.V.

Keyword :

Adsorption Adsorption Graphitized mesoporous carbon Graphitized mesoporous carbon High specific surface area High specific surface area Petroleum residue Petroleum residue Sustainable chemistry Sustainable chemistry

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GB/T 7714 Zhang, Q. , Bi, T. , Chen, H. et al. Petroleum residue-based ultrathin-wall graphitized mesoporous carbon and its high-efficiency adsorption mechanism [J]. | Diamond and Related Materials , 2024 , 148 .
MLA Zhang, Q. et al. "Petroleum residue-based ultrathin-wall graphitized mesoporous carbon and its high-efficiency adsorption mechanism" . | Diamond and Related Materials 148 (2024) .
APA Zhang, Q. , Bi, T. , Chen, H. , Hu, Y. , Tian, F. , Lin, Q. . Petroleum residue-based ultrathin-wall graphitized mesoporous carbon and its high-efficiency adsorption mechanism . | Diamond and Related Materials , 2024 , 148 .
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Petroleum residue-based ultrathin-wall graphitized mesoporous carbon and its high-efficiency adsorption mechanism EI
期刊论文 | 2024 , 148 | Diamond and Related Materials
全钒液流电池用磺化聚芴醚酮质子交换膜的制备及性能 CSCD PKU
期刊论文 | 2024 , 41 (02) , 348-357,380 | 精细化工
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Abstract :

首先,将9,9-二(3,5-二甲基-4-羟基苯基)芴(DMBHF)、9,9-双(4-羟苯基)芴(BHF)和4,4'-二氟二苯甲酮(DFB)在高温下缩聚,得到聚芴醚酮(PFEK-x)(x=30、40、50,x为DMBHF含量,以DFB的物质的量计,下同);接着,利用溴代反应将PFEK-x的甲基功能化为溴甲基;然后,通过4-羟基苯磺酸钠的S_N2亲核取代制得具有不同离子交换容量的磺化聚芴醚酮(SPFEK-x);最后,通过溶液浇铸法成膜并酸化,制得新型低成本质子交换膜(PEMs)。采用~1HNMR、FTIR、TGA对其进行了表征,并对其性能进行了测试。结果表明,SPFEK-40膜具有较高的质子传导率及离子选择性、较低的钒离子渗透率及面电阻,综合性能优异。以SPFEK-40膜组装的全钒液流电池(VRFB)在电流密度为80 m A/cm~2时的能量效率为88.2%,高于以Nafion 212膜组装的VRFB的84.8%。此外,以SPFEK-40膜组装的VRFB在30次循环后放电容量保持率为84.3%,远高于以Nafion 212膜组装的VRFB(66.1%)。该合成路线的原料来源广泛,价格低廉,不涉及危险的磺化反应,易于工业放大。制得的SPFEK-x均具有良好的机械性能和氧化稳定性。

Keyword :

全钒液流电池 全钒液流电池 功能材料 功能材料 聚芴醚酮 聚芴醚酮 能量效率 能量效率 质子交换膜 质子交换膜 质子传导率 质子传导率

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GB/T 7714 叶洲麟 , 熊雷 , 林起浪 et al. 全钒液流电池用磺化聚芴醚酮质子交换膜的制备及性能 [J]. | 精细化工 , 2024 , 41 (02) : 348-357,380 .
MLA 叶洲麟 et al. "全钒液流电池用磺化聚芴醚酮质子交换膜的制备及性能" . | 精细化工 41 . 02 (2024) : 348-357,380 .
APA 叶洲麟 , 熊雷 , 林起浪 , 陈栋阳 . 全钒液流电池用磺化聚芴醚酮质子交换膜的制备及性能 . | 精细化工 , 2024 , 41 (02) , 348-357,380 .
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全钒液流电池用磺化聚芴醚酮质子交换膜的制备及性能 CSCD PKU
期刊论文 | 2024 , 41 (2) , 348-357,380 | 精细化工
A novel 3D hierarchical NiFe-LDH/graphitic porous carbon composite as multifunctional adsorbent for efficient removal of cationic/anionic dyes and heavy metal ions Scopus
期刊论文 | 2024 , 411 | Journal of Molecular Liquids
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Abstract :

Developing effective adsorbents for wastewater purification is crucial, as excessive emissions of toxic dyes and heavy metal ions have been proven harmful to ecosystems and human health. A NiFe-layered double hydroxide/graphitic porous carbon (NiFe-LDH/GPC) composite was fabricated by introducing NiFe-LDH nanosheets into GPC via a simple hydrothermal method to utilize the advantages of both materials fully, and thus ultimately obtain a composite adsorbent with improved adsorption properties. The samples obtained were comprehensively characterized by various characterization means, and the effects of several critical influential factors on the pollutant uptake capability of the NiFe-LDH/GPC were also studied through batch experiments. The results show that the as-synthesized NiFe-LDH/GPC exhibits a three-dimensional (3D) fluffy ultrathin-wall hierarchical porous structure, which possesses a high specific surface area and pore volume separately up to 506.74 m2/g and 0.22 cm3 g−1 as well as a relatively narrow pore size distribution. These characteristics bring advantages to enhance the adsorption ability of the NiFe-LDH/GPC for cationic/anionic dyes and heavy metal ions such as congo red (CR), malachite green (MG) and hexavalent chrome (Cr(VI), which reached the maximum adsorption capacity of 1726.51 mg/g, 1157.11 mg/g and 155.72 mg/g under the optimum conditions, respectively. Meanwhile, the adsorption behavior can be well described by the pseudo-second-order kinetic model and Langmuir isotherm model, reflecting that the sorption process mainly occurred chemically in the adsorbent monolayer. Furthermore, the NiFe-LDH/GPC maintained relatively high adsorption performance after multicycle testing, manifesting its good recyclability and stability. © 2024 Elsevier B.V.

Keyword :

Adsorption Adsorption Cationic/anionic pollutant Cationic/anionic pollutant GPC GPC Hierarchical Hierarchical LDH nanosheet LDH nanosheet

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GB/T 7714 Zhang, X. , Li, W. , Wang, X. et al. A novel 3D hierarchical NiFe-LDH/graphitic porous carbon composite as multifunctional adsorbent for efficient removal of cationic/anionic dyes and heavy metal ions [J]. | Journal of Molecular Liquids , 2024 , 411 .
MLA Zhang, X. et al. "A novel 3D hierarchical NiFe-LDH/graphitic porous carbon composite as multifunctional adsorbent for efficient removal of cationic/anionic dyes and heavy metal ions" . | Journal of Molecular Liquids 411 (2024) .
APA Zhang, X. , Li, W. , Wang, X. , Su, M. , Lin, Q. . A novel 3D hierarchical NiFe-LDH/graphitic porous carbon composite as multifunctional adsorbent for efficient removal of cationic/anionic dyes and heavy metal ions . | Journal of Molecular Liquids , 2024 , 411 .
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A novel 3D hierarchical NiFe-LDH/graphitic porous carbon composite as multifunctional adsorbent for efficient removal of cationic/anionic dyes and heavy metal ions EI
期刊论文 | 2024 , 411 | Journal of Molecular Liquids
Three-phase interfacial design in BaTiO3/rGO/polyetherimide composite enabling enhanced dielectric, thermal and mechanical properties SCIE
期刊论文 | 2024 | POLYMER COMPOSITES
WoS CC Cited Count: 2
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Abstract :

As core components in electric/electronic fields, dielectric materials have recently received ever-increasing interests. Among them, polymer-based dielectric composites have drawn ever-increasing attentions due to their high-temperature resistance and excellent processibility. However, state-of-art studies mostly focus on the modification of single-phase filler, while the heterogeneous three phase interactions between fillers and polymer matrix are rarely studied. To fill this gap, in this study, a novel strategy of interfacial design and structural construction of three-phase BaTiO3/rGO/polymer nanocomposites have been promoted to simultaneously build interfacial barriers between adjacent rGO nanosheets and to enhance the interfacial polarization of rGO nanosheets for improved dielectric, thermal and mechanical properties. The dielectric constant of 0.6 wt% BT/ARGO/PEI reached 644@1 kHz with a dielectric loss of only 0.218, while these values for 0.5 wt% ARGO/PEI composites are 471 and 0.489, respectively. Meanwhile, the breakdown strength almost doubled (from 48 kVmm(-1) to 87 kVmm(-1)) upon the addition of BaTiO3 (BT) nanoparticles. Moreover, the introduced BT nanoparticles significantly enhanced the intermolecular frictions between different materials and contributed largely to promoted mechanical and thermal properties. We therefore speculate this work establishes a strong foundation for fabricating three heterogeneous-phase high dielectric polymer materials with excellent dielectric, thermal and mechanical properties. Highlights center dot Graphene oxide was modified by APTES and reduced by L-Ascorbic Acid. center dot Three-phase BT/ARGO/PEI composites showed enhanced dielectric properties. center dot The incorporated BT nanoparticles reduced the dielectric loss. center dot The thermal and mechanical properties of BT/ARGO/PEI composites are optimized. center dot Interfacial interactions between different phase of materials are studied.

Keyword :

barium titanate barium titanate dielectric properties dielectric properties graphene graphene interfacial design interfacial design polyetherimide polyetherimide

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GB/T 7714 Zhang, Pengtu , Yuan, Shiling , Song, Xinwang et al. Three-phase interfacial design in BaTiO3/rGO/polyetherimide composite enabling enhanced dielectric, thermal and mechanical properties [J]. | POLYMER COMPOSITES , 2024 .
MLA Zhang, Pengtu et al. "Three-phase interfacial design in BaTiO3/rGO/polyetherimide composite enabling enhanced dielectric, thermal and mechanical properties" . | POLYMER COMPOSITES (2024) .
APA Zhang, Pengtu , Yuan, Shiling , Song, Xinwang , Tang, Junsong , Lin, Qilang , Liu, Xiaoyun et al. Three-phase interfacial design in BaTiO3/rGO/polyetherimide composite enabling enhanced dielectric, thermal and mechanical properties . | POLYMER COMPOSITES , 2024 .
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Three-phase interfacial design in BaTiO3/rGO/polyetherimide composite enabling enhanced dielectric, thermal and mechanical properties EI
期刊论文 | 2024 , 45 (11) , 10220-10233 | Polymer Composites
Three-phase interfacial design in BaTiO3/rGO/polyetherimide composite enabling enhanced dielectric, thermal and mechanical properties Scopus
期刊论文 | 2024 , 45 (11) , 10220-10233 | Polymer Composites
2D Ti3C2Tx modified with nano-AgPNPs antioxidant constructed hierarchical interface for high-throughput oily wastewater separation SCIE CSCD
期刊论文 | 2023 , 185 , 133-146 | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
WoS CC Cited Count: 5
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Abstract :

Over-exploitation of fossil energy has led to the formation of enormous amounts of oily wastewater, which is increasingly polluting the environment of water bodies. The Ti3C2Tx-modified separation ma-terial is limited by surface roughness and surface chemical composition, and the permeation flux de-creases significantly during continuous testing. In this study, silver-loaded polydopamine nanospheres (nano-AgPNPs) as antioxidants were prepared by in-situ reduction from Ag+ ions and polydopamine nanospheres, and then they self-assembled with Ti3C2Tx nanosheets to obtain hierarchical micro-nano structural nano-AgPNPs modified Ti3C2Tx [(AgPNPs)xT ( x = 0.25, 0.5, 0.75, and 1)]. Because of their strong reduction properties, nano-AgPNPs antioxidants can effectively protect the active edges of Ti3C2Tx from dissolved oxygen, and greatly improve the oxidation resistance of Ti3C2Tx nanosheets, with no signif-icant changes in morphology and physical phase after long-term placement. (AgPNPs)xT formed un-derwater oleophobic interfaces with the hierarchical structure on polyurethane (PU) sponge to prepare (AgPNPs)xT@PU separation sponges. Among them, (AgPNPs)0.5T@PU sponge showed the highest compre-hensive performance with separation efficiency higher than 99.6% for various oil-water mixtures, espe-cially high-throughput and permeation flux up to 247,787 L m-2 h-1 for cyclohexane-water mixtures. In addition, nano-AgPNPs greatly broadened the layer spacing of Ti3C2Tx and can form a functionalized in-terface of modified Ti3C2Tx on polyamide (PA) membrane and provide additional permeation channels, which enabled the (AgPNPs)0.5T@PA membrane to have excellent toluene-water emulsion separation effi-ciency up to 99.6%.(c) 2023 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.

Keyword :

High-throughput High-throughput Nano-AgPNPs Nano-AgPNPs Oily wastewater separation Oily wastewater separation Oxidation resistance Oxidation resistance Ti3 C2 Tx Ti3 C2 Tx

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GB/T 7714 Wang, Qing-Ming , Chen, Xu-Han , Lu, Qiu-Feng et al. 2D Ti3C2Tx modified with nano-AgPNPs antioxidant constructed hierarchical interface for high-throughput oily wastewater separation [J]. | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY , 2023 , 185 : 133-146 .
MLA Wang, Qing-Ming et al. "2D Ti3C2Tx modified with nano-AgPNPs antioxidant constructed hierarchical interface for high-throughput oily wastewater separation" . | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 185 (2023) : 133-146 .
APA Wang, Qing-Ming , Chen, Xu-Han , Lu, Qiu-Feng , Lin, Qilang . 2D Ti3C2Tx modified with nano-AgPNPs antioxidant constructed hierarchical interface for high-throughput oily wastewater separation . | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY , 2023 , 185 , 133-146 .
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2D Ti3C2Tx modified with nano-AgPNPs antioxidant constructed hierarchical interface for high-throughput oily wastewater separation Scopus CSCD
期刊论文 | 2024 , 185 , 133-146 | Journal of Materials Science and Technology
Constructing localized-anion gel-electrolyte with poly(ethyl acrylate/acrylic acid lithium) for flame-retardant lithium metal batteries SCIE
期刊论文 | 2023 , 28 (1) , 273-281 | JOURNAL OF SOLID STATE ELECTROCHEMISTRY
WoS CC Cited Count: 2
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Abstract :

The existing electrolytes suffer from the uncontrolled Li+ deposition, flammability, and limited ionic conductivity problems. The gel-electrolyte is a core technology for the lithium metal batteries as they offer diverse tools for constructing unique solvent structure and suppress the uncontrolled growth of lithium dendrites. Here, a localized-anion gel-electrolyte with poly(ethyl acrylate/acrylic acid lithium) is reported to achieve a dendrite-free lithium deposition with the stable solid-electrolyte interphase. The flame-retardant triethyl phosphate are engaged in gel-electrolyte as a plasticizer with a solution casting method, which improves the safety of Li metal batteries. The TFSI- is localized by anionphilic -COOLi in the vicinity of polymers, which maintains the uniform lithium flux and suppresses the deposition to achieve the smooth lithium growth. The lithiophilic -COOR group homogenized the Li+ flow at the electrode/electrolyte interface and alleviated the local lithium-ion flow. The LFP//Li cells assembled with the gel-electrolyte can still maintain a coulombic efficiency of 99% and capacity retention of 96% after 320 cycles at 1 C. And the NCM811//Li cells assembled with the gel-electrolyte can maintain about 90% coulombic efficiency and 88% capacity retention after 120 cycles at 0.5 C. In summary, this work provides an effective strategy for the application of next-generation high-safety lithium metal batteries.

Keyword :

Flame retardant Flame retardant Gel-electrolyte Gel-electrolyte Localized-anion Localized-anion Poly(ethyl acrylate/acrylic acid lithium) Poly(ethyl acrylate/acrylic acid lithium) Solvation cluster Solvation cluster

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GB/T 7714 Cui, Xiancai , Xu, Zhengwei , Xi, Chenpeng et al. Constructing localized-anion gel-electrolyte with poly(ethyl acrylate/acrylic acid lithium) for flame-retardant lithium metal batteries [J]. | JOURNAL OF SOLID STATE ELECTROCHEMISTRY , 2023 , 28 (1) : 273-281 .
MLA Cui, Xiancai et al. "Constructing localized-anion gel-electrolyte with poly(ethyl acrylate/acrylic acid lithium) for flame-retardant lithium metal batteries" . | JOURNAL OF SOLID STATE ELECTROCHEMISTRY 28 . 1 (2023) : 273-281 .
APA Cui, Xiancai , Xu, Zhengwei , Xi, Chenpeng , Zhang, Haoqi , Xiao, Yuanbin , Li, Long et al. Constructing localized-anion gel-electrolyte with poly(ethyl acrylate/acrylic acid lithium) for flame-retardant lithium metal batteries . | JOURNAL OF SOLID STATE ELECTROCHEMISTRY , 2023 , 28 (1) , 273-281 .
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Constructing localized-anion gel-electrolyte with poly(ethyl acrylate/acrylic acid lithium) for flame-retardant lithium metal batteries EI
期刊论文 | 2024 , 28 (1) , 273-281 | Journal of Solid State Electrochemistry
Constructing localized-anion gel-electrolyte with poly(ethyl acrylate/acrylic acid lithium) for flame-retardant lithium metal batteries Scopus
期刊论文 | 2023 , 28 (1) , 273-281 | Journal of Solid State Electrochemistry
Three-dimensional graphitic hierarchical porous carbon-supported SnOx@nitrogen-doped carbon composite as high-performance lithium ion battery anode material SCIE
期刊论文 | 2023 , 76 | JOURNAL OF ENERGY STORAGE
WoS CC Cited Count: 3
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Abstract :

Utilizing tin and its oxides (SnOx, x = 0/1/2) as anode confront the main problems like large volume expansion and poor electrical conductivity during cycling. As an efficient solution, a three-dimensional (3D) graphitic hierarchical porous carbon (HPC) with highly fluffy structure was employed as a support for fabrication of HPC/ SnOx@nitrogen-doped carbon (NC) composite. The resulting HPC/SnOx@NC composite presented an effective dual-carbon confinement structure with 3D conductive network and high-quality carbon coatings. The unique structure played significant roles in restricting the expansion of Sn and its oxides as well as enhancing their ion/ electron transport efficiency. The as-prepared composite exhibited a maintained reversible specific capacity of 644 mAh g-1 after 200 cycles at 1000 mA g-1. In addition, it presented a high specific capacity of 1458 mAh g-1 at 100 mA g-1 and 858 mAh g-1 at 5000 mA g-1 (58.8 % capacitance retention), and meanwhile showed a remarkable cycling stability with a high capacity retention of 63 % (333 mAh g-1) after 850 cycles at 5000 mA g-1. Therefore, the HPC/SnOx@NC composite has the potential to be a new generation of LIBs anode.

Keyword :

Dual-carbon confinement structure Dual-carbon confinement structure Hierarchical porous carbon (HPC) Hierarchical porous carbon (HPC) HPC/SnO x @NC composite HPC/SnO x @NC composite Lithium-ion batteries Lithium-ion batteries Nitrogen-doped carbon (NC) Nitrogen-doped carbon (NC)

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GB/T 7714 Cao, Yuanxin , Su, Minglu , Bi, Tiantian et al. Three-dimensional graphitic hierarchical porous carbon-supported SnOx@nitrogen-doped carbon composite as high-performance lithium ion battery anode material [J]. | JOURNAL OF ENERGY STORAGE , 2023 , 76 .
MLA Cao, Yuanxin et al. "Three-dimensional graphitic hierarchical porous carbon-supported SnOx@nitrogen-doped carbon composite as high-performance lithium ion battery anode material" . | JOURNAL OF ENERGY STORAGE 76 (2023) .
APA Cao, Yuanxin , Su, Minglu , Bi, Tiantian , Zhou, Yunhong , Zhan, Xialan , Lin, Qilang . Three-dimensional graphitic hierarchical porous carbon-supported SnOx@nitrogen-doped carbon composite as high-performance lithium ion battery anode material . | JOURNAL OF ENERGY STORAGE , 2023 , 76 .
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Three-dimensional graphitic hierarchical porous carbon-supported SnOx@nitrogen-doped carbon composite as high-performance lithium ion battery anode material Scopus
期刊论文 | 2024 , 76 | Journal of Energy Storage
Three-dimensional graphitic hierarchical porous carbon-supported SnOx@nitrogen-doped carbon composite as high-performance lithium ion battery anode material EI
期刊论文 | 2024 , 76 | Journal of Energy Storage
Construction of ion-conductive dual-channels by P(EA-co-AALi)-based gel electrolytes for high-performance lithium metal batteries SCIE
期刊论文 | 2023 , 27 (6) , 1383-1389 | JOURNAL OF SOLID STATE ELECTROCHEMISTRY
WoS CC Cited Count: 4
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Abstract :

As people possess more safety conscious, the issue of electrolytes is attracting concern. The gel polymer electrolyte offers high ionic conductivity, wettability, and good interfacial contact, effectively reducing electrolyte leakage and improving battery safety. This study presents a novel gel polymer electrolyte that has been investigated for its excellent physical and electrochemical properties. The electrospinning film possesses a thin and flat surface with a thickness of only 40 +/- 5 mu m and particle size of around 300-400 nm. This creates an ion-conductive dual-channels that optimize the migration of lithium ions and ensure good contact and interfacial stability. In addition, the electrochemical stability window ranges from 0 similar to 6.1 V (vs. Li+/Li), which can be applied to most high-voltage cathode materials on the market. The NCM811//Li cell constructed with gel polymer electrolyte exhibited a first discharge capacity of 202.9 mAh g(-1) at 0.5C and still maintain a discharge capacity of 117.5 mAh g(-1) after 300 cycles, as well as a capacity retention rate of 57.9%. This strategy provides a new idea for the next generation of high-performance lithium metal batteries.

Keyword :

Gel electrolyte Gel electrolyte Lithium ion migration Lithium ion migration Lithium metal batteries Lithium metal batteries Poly(ethyl acrylate/acrylic acid lithium) Poly(ethyl acrylate/acrylic acid lithium)

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GB/T 7714 Li, Ji , Cui, Xiancai , Lin, Qilang et al. Construction of ion-conductive dual-channels by P(EA-co-AALi)-based gel electrolytes for high-performance lithium metal batteries [J]. | JOURNAL OF SOLID STATE ELECTROCHEMISTRY , 2023 , 27 (6) : 1383-1389 .
MLA Li, Ji et al. "Construction of ion-conductive dual-channels by P(EA-co-AALi)-based gel electrolytes for high-performance lithium metal batteries" . | JOURNAL OF SOLID STATE ELECTROCHEMISTRY 27 . 6 (2023) : 1383-1389 .
APA Li, Ji , Cui, Xiancai , Lin, Qilang , Lyu, Xiaolin , Wang, Qian , Yu, Yan et al. Construction of ion-conductive dual-channels by P(EA-co-AALi)-based gel electrolytes for high-performance lithium metal batteries . | JOURNAL OF SOLID STATE ELECTROCHEMISTRY , 2023 , 27 (6) , 1383-1389 .
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Construction of ion-conductive dual-channels by P(EA-co-AALi)-based gel electrolytes for high-performance lithium metal batteries EI
期刊论文 | 2023 , 27 (6) , 1383-1389 | Journal of Solid State Electrochemistry
Construction of ion-conductive dual-channels by P(EA-co-AALi)-based gel electrolytes for high-performance lithium metal batteries Scopus
期刊论文 | 2023 , 27 (6) , 1383-1389 | Journal of Solid State Electrochemistry
Eco-friendly and magnetic sucrose-derived Fe-containing mesoporous carbon composites for high-efficiency Congo red adsorption and supercapacitor applications SCIE
期刊论文 | 2023 , 139 | DIAMOND AND RELATED MATERIALS
WoS CC Cited Count: 2
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Abstract :

In this study, eco-friendly and magnetic sucrose-derived Fe-containing mesoporous carbon (Fe-MC) composites have been prepared by carbothermal reduction. The Fe-MC3-1000 prepared from sucrose and FeSO4 with a mass ratio of 1:1 at 1000 degrees C has a uniform mesoporous structure with a BET surface area of 184 m(2)/g. The carbothermal reduction of Fe2O3 had dual effects of the pore-forming and the loading. Batch adsorption experiments and electrochemical measurements show that the Fe-MC3-1000 has the optimum performance in both adsorption and supercapacitor applications. For adsorption, the maximum adsorption capacity for Congo red (CR) arrived at 972.1 mg g-1 with a removal percentage of 97.2 %. The adsorption process has good agreement with Langmuir isotherm and Elovich kinetic models. Besides, the Fe-MC3-1000 exhibits good recyclability after five adsorptiondesorption cycles. For supercapacitor, the Fe-MC3-1000 electrode has a capacitance value of 179.23 F g(-1) and a capacitance retention of 92.8 % at 10 A g(-1) after 2000 cycles. The outstanding adsorption and electrochemical performances suggest that the Fe-MC3-1000 is a competitive bi-functional material for adsorption and supercapacitor.

Keyword :

Adsorption Adsorption Congo red Congo red Iron oxide Iron oxide Magnetic mesoporous carbon Magnetic mesoporous carbon Supercapacitor Supercapacitor

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GB/T 7714 Zhang, Qiyun , Wang, Xin , Chen, Haobin et al. Eco-friendly and magnetic sucrose-derived Fe-containing mesoporous carbon composites for high-efficiency Congo red adsorption and supercapacitor applications [J]. | DIAMOND AND RELATED MATERIALS , 2023 , 139 .
MLA Zhang, Qiyun et al. "Eco-friendly and magnetic sucrose-derived Fe-containing mesoporous carbon composites for high-efficiency Congo red adsorption and supercapacitor applications" . | DIAMOND AND RELATED MATERIALS 139 (2023) .
APA Zhang, Qiyun , Wang, Xin , Chen, Haobin , Tian, Fusen , Lin, Qilang . Eco-friendly and magnetic sucrose-derived Fe-containing mesoporous carbon composites for high-efficiency Congo red adsorption and supercapacitor applications . | DIAMOND AND RELATED MATERIALS , 2023 , 139 .
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Eco-friendly and magnetic sucrose-derived Fe-containing mesoporous carbon composites for high-efficiency Congo red adsorption and supercapacitor applications EI
期刊论文 | 2023 , 139 | Diamond and Related Materials
Eco-friendly and magnetic sucrose-derived Fe-containing mesoporous carbon composites for high-efficiency Congo red adsorption and supercapacitor applications Scopus
期刊论文 | 2023 , 139 | Diamond and Related Materials
A novel mesoporous carbon nanospheres-based adsorbent material with desirable performances for dyes removal SCIE
期刊论文 | 2023 , 390 | JOURNAL OF MOLECULAR LIQUIDS
WoS CC Cited Count: 4
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Abstract :

Nowadays, the reduction of dye contaminants in the aquatic environment has attracted widespread research attention. In this work, a novel mesoporous carbon nanospheres (MCNs)-based material as an adsorbent for dye removal was achieved by the carbonization of a composite of sucrose and aluminum sulfate without involving any hazardous activators. The as-obtained MCNs were analyzed by TG, XRD, FESEM, TEM, Raman, BET and XPS, meanwhile the batch experiments of Congo red (CR), Malachite green (MG) and Methylene blue (MB) on the MCNs were conducted to explore the impact of adsorption conditions on the adsorption process, respectively. Results show that the MCNs exhibit a uniform spherical morphology as well as partially graphitic structure with a large surface area of 449.25 m2/g, a relatively narrow pore size distribution and a high pore volume of 0.57 cm3 g-1. The unique porous structure of the MCNs endows it with high adsorption capabilities for dyes, including CR (1726.60 mg g-1), MG (980.55 mg g-1) and MB (708.82 mg g-1), suggesting its high adsorption capability for both anionic and cationic dyes. Meanwhile, the adsorption process is demonstrated to follow the Langmuir model and pseudo-second-order kinetic model, respectively, and the main adsorption mechanisms may involve pore filling, 7C-7C conjugation, electrostatic attraction and hydrogen bonding. Furthermore, the as-synthesized adsorbent displays good recyclability performance for remaining relatively high sorption performance even after five regeneration cycles.

Keyword :

Adsorption Adsorption Dye Dye Mesoporous carbon nanosphere Mesoporous carbon nanosphere Pyrolysis Pyrolysis Sucrose Sucrose

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GB/T 7714 Zhang, Xialan , Wang, Xin , Cheng, Ting et al. A novel mesoporous carbon nanospheres-based adsorbent material with desirable performances for dyes removal [J]. | JOURNAL OF MOLECULAR LIQUIDS , 2023 , 390 .
MLA Zhang, Xialan et al. "A novel mesoporous carbon nanospheres-based adsorbent material with desirable performances for dyes removal" . | JOURNAL OF MOLECULAR LIQUIDS 390 (2023) .
APA Zhang, Xialan , Wang, Xin , Cheng, Ting , Lin, Qilang . A novel mesoporous carbon nanospheres-based adsorbent material with desirable performances for dyes removal . | JOURNAL OF MOLECULAR LIQUIDS , 2023 , 390 .
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A novel mesoporous carbon nanospheres-based adsorbent material with desirable performances for dyes removal EI
期刊论文 | 2023 , 390 | Journal of Molecular Liquids
A novel mesoporous carbon nanospheres-based adsorbent material with desirable performances for dyes removal Scopus
期刊论文 | 2023 , 390 | Journal of Molecular Liquids
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