ADVANCED FUNCTIONAL MATERIALS
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2025
·
IF 19
Tianyang Yu,Xue Pang,Teng Zhao,Ke Wang,Wangming Tang,Anqi Zhao,Chenxi Xu,Nan Chen,Li Li,Feng Wu,Renjie Chen
Lithium metal batteries (LMBs) face critical challenges such as unstable solid electrolyte interphase (SEI), dendritic lithium growth, and transition metal dissolution from high-nickel cathodes, which compromise cycling stability and safety. To address these issues, a multifunctional composite separator is developed by constructing an aramid nanofiber (ANF)-polyacrylamide (PAM) hybrid layers on PP separators. The ANF-PAM@PP separator exhibits exceptional thermal stability, mechanical robustness, and uniform pore structure, enabling homogeneous Li-ion flux distribution and suppressed dendrite initiation. The PAM is rich in amide groups and effectively chelates dissolved transition metal ions via coordination bonding, reducing SEI degradation and electrolyte decomposition. Density functional theory (DFT) calculations confirm strong metal ion adsorption on ANF-PAM due to high binding energies. Li||Li symmetric cells with the modified separator achieve stable cycling for >1000 h at 2 mA cm −2 , while Li||NCM811 cells retain 81.8% capacity after 150 cycles at 3C. This work provides a scalable strategy for designing high-performance separators to enable durable and safe LMBs.
研究领域:
材料科学
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电化学
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储能
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电池技术
✓ 已验证
产品关联
DOI
高影响因子
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
·
2024
·
IF 8.1
Quanqing Cui,Na Sun,Hongliang Ding,Xiaowei Mu,Wei Wang,Yan Zhang,Keqing Zhou,Liancong Wang,Bin Yu
The flammable nature of thermoplastic elastomer (TPE) leads to poor fire safety performance. It is difficult to be flame-retardant. A large amount of flame retardant (30–46 wt%) is usually added, weakening their mechanical properties heavily. To address these issues, this study prepared a novel core–shell flame retardant, PAPP@MF@TA, by encapsulating melamine formaldehyde resin (MF) and tannic acid (TA) on the surface of piperazine pyrophosphate (PAPP). Benefiting by the bridging effect of the core–shell structure, the compatibility between TPE and PAPP@MF@TA was improved, and the tensile strength of TPE/PAPP@MF@TA increased by 25.6% compared to TPE/PAPP. The flame-retardant performance was also enhanced. Compared to pure TPE, the peak heat release rate, total heat release and total smoke production of TPE/PAPP@MF@TA decreased by 73.7%, 37.9% and 35.5%, respectively. Besides, the flame-retardant mechanism was studied. This study provides a new approach for designing of TPE composites with comprehensively enhanced flame retardancy and mechanical properties.
研究领域:
材料科学
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高分子化学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF CONTROLLED RELEASE
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2024
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IF 10.5
Kunguo Liu,Shiyu Du,Jiawei Yang,Juanjuan Li,Shijie Wang,Zhibin Zhang,Wen Luo,Chao Chen,Jingjing Yang,Xin Han
The immunosuppressive tumor microenvironment (TME) in solid tumors often impedes the efficacy of immunotherapy. Bacterial outer membrane vesicles (OMVs), as a promising cancer vaccine that can potently stimulate immune responses, have garnered interest as a potential platform for cancer therapy. However, the low yield of OMVs limits their utilization. To address this limitation, we developed a novel approach to synthesize OMV-like multifunctional synthetic bacterial vesicles (SBVs) by pretreating bacteria with ampicillin and lysing them through sonication. Compared to OMVs, the yield of SBVs increased by 40 times. Additionally, the unique synthesis process of SBVs allows for the encapsulation of bacterial intracellular contents, endowing SBVs with the capability of delivering catalase (CAT) for tumor hypoxia relief and activating the host cyclic GMP-AMP synthase (cGAS)/stimulator of interferon genes (STING) signaling pathway. To overcome the toxicity of lipopolysaccharide (LPS) on the SBVs surface, we decorated SBVs with a biocompatible polydopamine (PDA) shell, which allowed TME reprogramming using SBVs to be conducted without adverse side effects. Additionally, the photosensitizer indocyanine green (ICG) was loaded into the PDA shell to induce immunogenic cell death and further improve the efficacy of immunotherapy. In summary, the SBVs-based therapeutic platform SBV@PDA/ICG (SBV@P/I) can synergistically elicit safe and potent tumor-specific antitumor responses through combined immunotherapy and phototherapy.
研究领域:
肿瘤学
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免疫学
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纳米医学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CHEMICAL PHYSICS LETTERS
·
2024
·
IF 2.8
Lixiang Wang,Jingwen Li,Mingqiang Li,Xinping Duan,Haochen Weng,Shuailiang Xu
In this study, we introduce a novel “water-in-salt” electrolyte for Bromine-ion batteries (BIBs) for the first time: 3M AlCl 3 + 1M NH 4 Br. The 3M AlCl 3 establishes the “water-in-salt” system, while 1M NH 4 Br supplies Br- ions. Employing flexible graphite paper as the cathode, during charging, Br- cooperates with AlCl 3 , forming AlCl 3 Br - ions that embed into the graphite paper, resulting in reversible reactions during discharge. The anode utilizes various metals such as Zn, Cu, Pb, In 2 O 3 , undergoing reversible redox reactions in the charge–discharge process. The designed electrolyte effectively prevents elemental bromine generation, presenting a safe, green, and environmentally friendly aqueous electrolyte suitable for BIBs.
研究领域:
能源存储
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材料科学
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环境科学
✓ 已验证
产品关联
DOI
高影响因子
Toxics
·
2024
·Vol. 12
·期 1
·40
·
IF 3.9
Aihua Li,Chaofei Wang,Chengjiang Qian,Jinfeng Wen,He Guo
Chemical wastewater has a high concentration of toxic and hazardous antibiotic pollutants, which not only devastates the ecological environment and disrupts the ecological balance, but also endangers human health. This research proposed a non-thermal plasma (NTP) combined with a ZnO-Fe3O4nano-catalyst system to achieve the efficient degradation of ciprofloxacin (CIP) in chemical wastewater. Firstly, ZnO-Fe3O4composite materials were prepared using hydrothermal method and characterized with scanning electron microscopy (SEM), transmission electron microscope (TEM), X-ray diffractometer (XRD), X-ray photoelectron spectroscopy (XPS), etc. With the sole NTP, NTP/ZnO, and NTP/ZnO-Fe3O4systems, the removal efficiency of CIP can reach 80.1%, 88.2%, and 99.6%, respectively. The optimal doping amount of Fe3O4is 14%. Secondly, the capture agent experiment verified that ·OH, ·O2−, and1O2all have a certain effect on CIP degradation. Then, liquid chromatography–mass spectrometry (LC-MS) was used to detect the intermediate and speculate its degradation pathway, which mainly included hydroxyl addition, hydroxyl substitution, and piperazine ring destruction. After treatment with the NTP/ZnO-Fe3O4system, the overall toxicity of the product was reduced. Finally, a cyclic experiment was conducted, and it was found that the prepared ZnO-Fe3O4catalyst has good reusability. The NTP/ZnO-Fe3O4was also applied in practical pharmaceutical wastewater treatment and has practical applicability.
研究领域:
环境科学
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化学工程
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生物学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
APPLIED CLAY SCIENCE
·
2024
·
IF 5.3
Dan Wang,Yan Wang,Changjiang Li,Junmin Ji
In this work, using various Span series surfactant (Span 40, Span 60, and Span 80) liquor, three types of newly functional palygorskite adsorbents were developed for removing multiple aflatoxins from peanut oil. The palygorskite infiltrated with Span surfactants all showed excellent detoxification ability in the adsorption of aflatoxins. The removal of AFB 1 by palygorskite infiltrated with Span 40, Span 60, and Span 80 was 94.75 %, 93.85 %, and 91.99 %, respectively. Compared with unmodified palygorskite, the removal of aflatoxins by the three adsorbents was increased by 10.05 %, 9.58 %, and 8.40 %, respectively. What's more, the retention of nutrients in peanut oil was enhanced after treatment with modified adsorbents. Among them, the retention rate of sterols in the oil after Span 40-palygorskite detoxification was increased by 18.71 %, and the tocopherol was increased by 11.20 %. Lastly, the adsorption mechanism was further discussed using kinetic, isothermal, and thermodynamic models. The Freundlich isothermal, Dubinin-Radushkevich model, and the pseudo-second-order rate expression all exhibited a strong association with the test results. The adsorption process mainly involved ion exchange, hydrophobic interactions, and pore-filling effects. Thermodynamic analysis ( ΔG 0 < 0, ΔH 0 > 0, ΔS 0 > 0) denoted that the adsorption effect was spontaneous and endothermic. The composite adsorbents could be a suitable candidate for the elimination of multiple aflatoxins with the merits of high detoxification efficiency, low preparation cost, green, and safety, which may open up new ideas for the creation of novel adsorbents in the fats and oils industry.
研究领域:
食品科学
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环境科学
✓ 已验证
产品关联
DOI
高影响因子
Journal of Composites Science
·
2025
·Vol. 9
·期 1
·15
·
IF 3.7
Anton Mostovoy,Amirbek Bekeshev,Andrey Shcherbakov,Arai Zhumabekova,Zhadira Nurtai,Marina Lopukhova
As a result of the conducted studies, the method of combining components and foaming parameters for obtaining foam epoxides has been selected. The relationship between the structure of the foam epoxide and the amount of the added blowing agent—ammonium carbonate—has been established. This study explores the development of fire-safe foamed epoxy composites by incorporating technogenic waste from ceramic brick production. The optimized composites demonstrated improved compressive strength, enhanced fire resistance (the LOI—35–44%—and successful UL-94 V-0 testing) through the use of flame retardants (Tris(2-methylphenyl) phosphate and Decabromodiphenyl oxide) and low thermal conductivity (0.030–0.042 W/m K), highlighting their potential as sustainable thermal insulation materials.
研究领域:
材料科学
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环境科学
✓ 已验证
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
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2024
·
IF 11.2
Ting Sai,Xiaodi Ye,Bingtao Wang,Zhenghong Guo,Juan Li,Zhengping Fang,Siqi Huo
A series of transparent, intrinsically flame-retardant, and impact-resistant poly(carbonates- b -siloxanes) were synthesized by incorporating Schiff-base modified polysiloxanes (DMS-Schiff) and naphthalene-sulfonate units into the polycarbonate (PC) chain. In addition to high transparency, the resultant copolymers (SS-co-PC5, SS-co-PC9, SS-co-PC14, and SS-co-PC20) exhibited remarkable improvements in fire safety and mechanical performance. Compared to pure PC, these copolymers demonstrated significantly enhanced limiting oxygen index (LOI, up to 34.5%) and a UL-94 V-0 rating under a thickness of only 1.6 mm. The incorporation of the polysiloxane blocks not only improved flame retardancy but also enhanced the impact strength, with SS-co-PC9 showing a 48% increase in elongation at break and a 38% rise in impact toughness compared to pure PC. In addition, SS-co-PC9 presented high mechanical strength. The synergistic effects between the naphthalene-sulfonate and polysiloxane blocks, along with the well-controlled polysiloxane phase separation (sulfonate units enabled lower processing viscosity of copolymers), led to superior comprehensive performance. These findings provide a promising pathway to create high-performance copolycarbonates for real-world applications.
研究领域:
材料科学
·
高分子化学
✓ 已验证
产品关联
DOI
高影响因子
Sustainable Materials and Technologies
·
2024
·
IF 8.6
Jin Qi,Tong Zhang,Ran Zhang,Jinrong Liu,Mingrui Zong,Qingmei Zhang,Yilin Ping,Yajuan Gong,Binbin Zhang,Xiaoming Liu,Jiadi Li,Xiuping Wu,Bing Li
Bacterial infections pose a serious worldwide public health concern and play an important role in slowing or dramatically delaying wound healing. However, traditional antibiotics are faced with obstacles such as bacterial resistance and unsatisfactory biocompatibility, which has impeded further clinical translation. In recent years, antimicrobial nanomaterials have emerged as viable alternatives for combating bacterial infections, and carbon dots (CDs) have received particularly widespread attention due to their superior characteristics. In this work, a simple and eco-friendly one-step hydrothermal method was employed using the natural herbal medicine Eucommia ulmoides as a biomass carbon source to synthesize an Fe-doped CDs nanozyme (Fe-CDs) with good peroxidase-like (POD-like) activity, high biocompatibility, and strong antimicrobial activity for safe and effective antimicrobial therapy and the promotion of wound healing. L929 cells co-cultured with Fe-CDs did not show significant cytotoxicity and favored cell proliferation at appropriate concentrations. In addition, Fe-CDs catalyzed the decomposition of low-concentration H 2 O 2 to ·OH, leading to enhanced antimicrobial activity. Both in vitro and in vivo experiments demonstrated that Fe-CDs exhibit potent antibacterial properties, the ability to promote cell migration and angiogenesis, and significant potential for promoting the healing of infected wounds. In summary, a green and safe antimicrobial nanozyme based on a biomass herbal medicine was developed in this work, offering promising insight into the development of novel antimicrobial materials and tissue regeneration engineering.
研究领域:
纳米技术
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材料科学
·
生物医学工程
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药学
·
微生物学
·
伤口愈合
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2024
·
IF 8.3
Fan Zhang,Chao Wang,Xiaona Huang,Xiaotong Dong,Hui Chi,Kun Xu,Yungang Bai,Pixin Wang
Porous polymers have many industrial applications, but their pore structures (open or closed) are usually fixed during polymerization. In this study, polymers with reversible and controllable pore structures, namely, thermosensitive porous hydrogels with regulated volume phase transition temperature, were prepared using a Pickering high-internal-phase emulsion as the template. Upon heating, the hydrogels transformed not only in their wettability (between hydrophilicity and hydrophobicity with water contact angles of 21.8 and 100.9°) but also their pore structure (between open through-holes and closed holes with pore throat sizes of 15.58 and 0 μm, respectively) in a short time (<10 s). When the hydrogel was used as a separator in smart supercapacitors (SCs), this behavior effectively limited the path of electrolyte migration, reducing the chance of conflagration accidents. Moreover, by utilizing the highly reversible pore structures and wettability of the porous hydrogel, reversible charging and discharging were restored after the system cooled down. This work not only provides great guidance for preparing porous polymers with reversible pore structures but also paves the way for designing smart SCs with enhanced safety.
研究领域:
材料科学
·
能源技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2021
·
IF 13.273
Saisai Wang,Lei Zhou,Muhammad Khurram Tufail,Le Yang,Pengfei Zhai,Renjie Chen,Wen Yang
Safety issues resulting from flammable organic solvent and lithium (Li) dendrite formation have seriously impeded Li metal batteries development. Here, the H + generated by acid-treated Al 2 O 3 functions as an initiator, promotes the polymerization of 1,3-dioxolane (DOL) in a commercial liquid electrolyte (LE) which contains 1 M lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) in a mixed organic solution of 1,3-dioxolane (DOL) and 1,2-dimethoxyethane (DME) (1:1, v/v) to form gel polymer electrolyte (GPE). Owing to the fire-retarding property of Al 2 O 3 , the oxygen index of as-prepared GPE can reach up to 22.2%. Furthermore, a high Li + transference number of 0.74 has been achieved by acid-treated nano Al 2 O 3 . The –OH on the surface of acid-treated nano Al 2 O 3 can attract TFSI ‐ anions by Lewis acid-base interaction and promote the dissolution of LiTFSI and enhance the mobility of Li + . Sequentially, the Li-Li symmetric cells based on as-prepared GPE show no evident polarization enlargement after 1000 h cycling under the current density of 1 mA cm −2 , which means as-prepared GPE can effectively suppress the Li dendrite formation during the Li plating/stripping process. The lithium metal batteries (LMBs) using LiFePO 4 as a cathode deliver excellent rate performance with capacity retention up to 97% after a sequence of current density attributing to Li's good interfacial stability anodes.
研究领域:
材料科学
·
能源存储
✓ 已验证
DOI
高影响因子
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES
·
2024
·
IF 2.3
Athar Ali Khan Gorar,Guo Zhiyi,Zhicheng Wang,Chen Qiufei,Abbas Daham,Muhammad Nadeem Ashraf,Jun Wang,Wen-Bin Liu
An isothermal compression molding process was used to create composites reinforced with pistachio shell particles. The composites were made using Bisphenol A–aniline-based benzoxazine and bio-based benzoxazine (VB) monomers derived from vanillin and furfuryl amine. The benzoxazine composites were developed by following green chemistry principles and blending with different weight percentages of Alkali treated pistachio shell particles. Proton nuclear magnetic resonance and Fourier transform infrared spectroscopy confirmed the structure of the VB monomer. Differential scanning calorimetry study shows the curing behavior of monomers and their blends. Surface treatment significantly enhanced the filler’s thermal stability. Copolymerization improved mobility and helped to align the chain and activate reactive groups at lower temperatures, lowering the curing temperature to 229°C with the inclusion of particles. The mechanical properties of composites are significantly enhanced. Compared to the neat matrix, composites showed a maximum increase of 155% in bending strength and 104.5% in impact tests. The theoretical model and simulation results are in good agreement with the experiment data. Thermogravimetric analysis of composites showed that neat polymers and composites have excellent thermal stability (T10% of 296; Yc 38.4%). The flammability test (UL-94) reveals that composites are rated as V-0 and can be categorized as flame-retardant materials.
研究领域:
材料科学
·
绿色化学
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）