ACS Sustainable Chemistry & Engineering
·
2024
·
IF 7.1
Jianmin Wang,Ruoyu Huang,Haitao Huang,Haijin Li,Zhijie Chen,Jiajia Cai,Hao Zhang,Yongtao Li,Xiaofang Liu,Xiaolong Deng
Developing effective strategies to improve the electrocatalytic activity of carbon-based materials is significant for Zn-air batteries (ZABs). Herein, nitrogen-doped carbon with abundant sp3-hybridized carbon defects (NC-CTS) were synthesized through a nonthermodynamic equilibrium carbonization process called carbon thermal shock (CTS). The NC-CTS catalyst exhibited a superior oxygen reduction reaction (ORR) activity with a half-wave potential of 0.81 V vs RHE and good stability in alkaline electrolyte, exceeding the NC-Furnace catalyst, which was fabricated by a thermodynamic equilibrium process. The better ORR performance originated from the increased density of sp3-hybridized carbon defects as the active sites and the optimized adsorption energy of intermediate species. The sp3-hybridized carbon defects were attributed to the obstruction of atom mobility and aggregation due to the ultrashort duration time of CTS. Furthermore, the ZABs using NC-CTS catalysts as the cathode showed good discharge performance and high cycling stability with a power density of 110 mW cm–2. This study demonstrated an effective strategy to modulate the ratio of sp3/sp2 of carbon-based electrocatalysts for the development of advanced carbon-based electrocatalysts to enhance the ORR performance and for the development of ZABs.
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高影响因子
Energy Storage Materials
·
2024
·
IF 18.9
Gege Wang,Yichao Wang,Lingbo Yao,Jianhua Yang,Xiaowei Chi,Yu Liu
Aqueous zinc metal batteries with unique advantages of intrinsic safety and low cost are considered as one of the most promising next-generation energy-storage technologies. However, their lifespan is significantly constrained by the electrolyte, specifically due to limitations caused by proton-induced HER and dendritic growth at the anode side and dissolution phenomena at the cathode. Unlike most studies on the protic electrolyte systems, herein, a new aprotic hybrid electrolyte of Na/Zn tetrafluoroborate-trimethyl phosphate with ultralow proton activity tuned by reconstruction of hydrogen bonding network and ultrahigh interfacial stability endowed by simultaneous formation of SEI and CEI were designed for the first time. Attributed to the synergistic effect of proton activity attenuation and ZnF 2 -Zn 3 (PO 4 ) 2 SEI formation, HER-trigged corrosion current was decreased by 96.52%, which leads to an exceptionally high coulombic efficiency up to 99.63%, and operational lifespan exceeding 2000 hours at 1 mA cm − 2 / 1 mAh cm − 2 for Zn||Cu asymmetric cell and Zn||Zn symmetric cell, respectively. Furthermore, the suppression of excess hydrated proton co-insertion reaction and construction of inorganic-organic CEI enabled the PBAs||Zn full cell a prolonged cycling life of 6000 cycles with an ultralow decay rate of 0.004% per cycle. The special electrolyte utilizing cheap tetrafluoroborate salts in conjunction with cost-effective PBA cathode and Zn anode provides a new choice for low-cost, high-safety, non-toxic batteries for practical applications.
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CORROSION SCIENCE
·
2025
·
IF 8.5
Muhammad Mubeen,Mubashar Mahmood,Mohammad Tabish,Yiqian Lv,Salman Khalid,Wanling Wang,Muhammad Jawad,Jingmao Zhao,Baomin Fan,Ghulam Yasin
Zn-Al-Mg-coated steel (ZM-steel) confronts significant considerable challenges from over-film degradation and under-film metallic dissolution, compromising its durability under extreme weathering conditions. This research presented an intelligent coating system incorporating guanine-loaded melamine resin spheres (Gua-MRS) hybridized with MoS 2 nanosheets, engineered to deliver functional corrosion protection for ZM-steel. Gua-MRS@MoS 2 nanohybrid offered a dual-functional approach: MRS@MoS 2 provided robust electrochemical shielding and barrier properties within epoxy matrix, while corrosion-triggered release of guanine - at low pH and/or in NaCl environment imparted exceptional self-healing capabilities. This process formed a uniform precipitation film over ZM-steel surface, effectively combating aggressive corrosive species. The integration of this hierarchical heterostructure not only enhanced structural integrity but also improved the coating's corrosion resistance and thermal stability. These advancements position the coating as an innovative and sustainable solution for engineering applications in the automotive and marine industries. The intercomponent synergy of Gua-MRS@MoS 2 system opens new pathways for the development of high-performance, eco-friendly coatings.
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MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
·
2025
·
IF 4.6
Yaqi Wu,Jianhua Qian,Jinjuan Xing,Junhua Li,He Huang,Yanan Wang,Xueming Kang,Lijuan Wang,Jiasheng Xu
Volatile organic compounds (VOCs), as hazardous environmental pollutants emitted from chemical industries, cause significant threats to human health and ecological environment owing to their inherent toxicity and carcinogenicity. Catalytic oxidation has emerged as a promising technology for VOC elimination, enabling complete degradation of pollutants into CO 2 and H 2 O. This study investigates transition metal oxide (TMO x , TM = Mn, Co, Fe, Ni, Cu, Zn)/TiO 2 catalysts for toluene degradation. Since the catalytic efficacy of TiO 2 -based catalysts critically depends on the quantity of surface oxygen vacancy (O v ) in heterogeneous processes, we engineered O v -rich interfaces by breaking atomic periodicity arrangements and generating unsaturated coordination sites. These structural modifications enhanced oxygen migration rates and increased reactive oxygen species availability. Among the synthesized catalysts, CuO/TiO 2 exhibited the highest performance, achieving 90 % toluene conversion (T 90 ) at 286 °C under a weight hourly space velocity (WHSV) of 20,000 mL/(g·h) with an initial toluene concentration of 1000 ppm. The measurement of in-situ DRIFTS suggested that toluene oxidation process abided by the path of toluene → benzaldehyde → benzoic acid → anhydride →CO 2 and H 2 O. Furthermore, the by CuO/TiO 2 catalyst demonstrated great reusability, and long-term stability, highlighting its potential for industrial-scale VOC abatement applications.
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Materials Today Bio
·
2025
·
IF 10.2
Haotian Qin,Zhiping Guan,Yuanhao Wang,Jin Zhao,Zhenhai Xie,Huaiyu Li,Chen Zhang,Weibei Sheng,Fei Yu,Jian Weng,Yingqi Chen,Deli Wang,Hui Zeng,Junyu Qian
Osteoporotic bone defects remain a major clinical challenge due to impaired osteogenesis, insufficient angiogenesis, excessive osteoclast activity, and increased susceptibility to infection. To address these issues, we developed an injectable phosphocreatine-grafted gelatin hydrogel (GGP) incorporating hierarchically structured Zn-Cu particles functionalized with a teriparatide (PTH)/strontium–zinc phosphate (SrZnP) hybrid coating. This multifunctional hydrogel was fabricated via enzymatic and ionic coordination crosslinking, yielding improved mechanical properties and sustained release of Zn 2+ , Sr 2+ , and PTH. In vitro evaluations demonstrated that the hydrogel enhanced BMSC proliferation, osteogenic differentiation, and mineralization, promoted HUVEC migration, tube formation, and angiogenic marker expression, and simultaneously inhibited osteoclastogenesis and bacterial growth. Transcriptomic analysis and inhibitor experiments revealed a dual paracrine mechanism mediating bone–vascular coupling: BMSC-derived HIF-1α–VEGF signaling facilitated angiogenesis, while HUVEC-derived PI3K–Akt–BMP-2 signaling enhanced osteogenesis. In vivo, the PTH/SrZnP@ZnCu-GGP hydrogel significantly accelerated bone regeneration and neovascularization in an ovariectomized rat calvarial defect model, accompanied by upregulated expression of BMP-2, RUNX2, p-Akt, and CD31. Collectively, this injectable hydrogel system offers a robust and translationally feasible strategy for coordinated osteogenesis–angiogenesis coupling, osteoclast suppression, and antibacterial defense, thus holding strong potential for the regeneration of osteoporotic bone defects.
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PubMed
高影响因子
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2025
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IF 3.9
Yan Zhang,HuiYi Pan,Mengru Wang,Xiying Li,Guifeng Lu
Carbon-based composites, especially for heteroatom incorporation including P, S, N, and B, show excellent performance in the ORR and are promising alternatives in place of Pt/C catalysts. However, complex procedures are necessary for the synthesis of the precursors acting as suitable carbon-based electrocatalysts. Herein, a simple method, based on the Schiff-base reaction, offering the privileges of devising the N-containing precursors, is developed to synthesize an efficient ORR catalyst. In this study, a Schiff-base polymer with nanoflower morphology (CNF-P) is synthesized via the reaction of 3,5-diaminobenzoic acid and terephthalaldehyde at room temperature. Subsequently, the N/S-codoped carbonaceous nanoflower electrocatalyst derived from its polymer counterpart (N/S-CNF900) is fabricated through high-temperature pyrolysis of CNF-P with thiourea. Benefitting from the dopants of N and S atoms, the N/S-CNF900 sample demonstrates exceptional ORR activity, offering an E1/2 of 0.87 V, Eonset of 1.02 V, and jm of 6.05 mA cm–2, as well as excellent durability and methanol resistance. When utilized as the air electrode in ZABs, N/S-CNF900 demonstrates superior power output of 178 mW cm–2 coupled with exceptional charge–discharge durability spanning 282 h. The superior electrochemical performance stems from the abundant active sites created by heteroatomic N/S doping with a very high specific surface area and the multilevel porous architecture, thereby ensuring effective exposure of active sites. These findings suggest that the catalyst synthesized through the Schiff-base reaction holds promising potential applications in alkaline zinc–air batteries (ZABs).
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MICROCHEMICAL JOURNAL
·
2025
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IF 5.1
Jiaxin Li,Yafei Fu,Mingjia Yuan,Jie Li,Haojing Zhang,Xuejiao Chen,Mengliu Yang,Ling Li
MicroRNAs are remarkably stable and detectable, making them ideal candidates for non-invasive diagnostics. The clinical relevance of fluid-specific miRNA profiling has implications for early disease detection, prognostic prediction, and therapeutic monitoring. A novel colorimetric biosensor for the highly sensitive detection of miRNA-21 is presented, integrating a dual catalytic hairpin-based cyclic self-assembly reaction system with Zn@HRP snowflake metal-organic frameworks (MOFs). This system leverages the unique snowflake structure and high catalytic activity of Zn@HRP MOF for signal amplification. Upon target miRNA-21 recognition, the system undergoes a cascade amplification process, leading to a significant increase in absorbance that is directly proportional to miRNA-21 concentration. The developed biosensor exhibits an ultra-low detection limit of 0.27 fM, demonstrating exceptional sensitivity, specificity, and anti-interference capabilities. Furthermore, the biosensor performs robustly in complex plasma samples, showing reliable recovery rates and excellent correlation with qRT-PCR results. This work not only provides a robust platform for precise miRNA detection but also offers significant potential for clinical diagnostics and biomarker profiling, paving the way for more accessible and reliable diagnostic tools in personalized medicine.
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ADVANCED MATERIALS
·
2024
·Vol. 36
·期 14
·2311637
·
IF 27.4
Ziyi Yang,Fayuan Lai,Qianjiang Mao,Chong Liu,Ruoyu Wang,Zhihua Lu,Tianran Zhang,Xiangfeng Liu
Dendrite-free Zn metal anodes with high depth-of-discharge (DoD) and robust cycle performances are highly desired for the practical application of aqueous Zn-ion batteries. Herein, the zincophobic/hydrophilic nature of Metal-N-C through manipulating the electronic interactions between metal and coordination atoms is successfully reversed, thereby fabricating a zincophilic/hydrophobic asymmetric Zn-N 3Py+1Pr -C (consisting of a Zn center coordinated with 3 pyridinic N atoms and 1 pyrrolic N atom) host, which realizes uniformed Zn deposition and a long lifespan with high DoD. The experimental and theoretical investigations demonstrate weakened interaction between pyrrolic N and metal center in the asymmetric Zn-N 3Py+1Pr -C triggers downshift of the Zn 3d-band-center and a new localization nonbonding state in the N and C 2p-band, resulting in preferred Zn adsorption to water adsorption. Consequently, the asymmetric Zn-N 3Py+1Pr -C host delivers small Zn nucleation overpotential and high Coulombic efficiency of 98.3% over 500 cycles. The symmetric cells with Zn-N 3Py+1Pr -C@Zn anode demonstrate 500 h dendrite-free cycles at DoD up to 50%. The Zn-N 3Py+1Pr -C@Zn/S-PANI full cell also shows a robust long-term cycle performance of 1000 cycles at 10 A g −1 . This strategy of constructing zincophilic/hydrophobic Metal-N-C may open up their application for the dendrite-free metal anode.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2024
·
IF 9.4
Wenxin Wang,Jiangjiang Zhang,Jinsheng Rong,Lanli Chen,Shiqiang Cui
Reducing the size of catalysts and tuning their electronic structure and interfacial properties are key to enhancing catalytic performance. Herein, a series of quantum-sized Co-based nanodot composites, including Co 3 O 4 /C, CoS 2 /C, CoN/C, and CoP/C, were synthesized using chemical vapor deposition (CVD) methods. By means of experimental measurement and theoretical calculation, CoP/C exhibited more robust electrochemical response than other Co-based compounds in electrochemical oxidation of N 2 H 4 (HzOR) and hydrogen evolution reaction (HER). The catalytic activities of CoP/C can be further enhanced by introducing Co vacancies on the surface of CoP/C (labeled as Co 1−x P/C). The results demonstrated that Co 1−x P/C not only exhibited notable electrochemical responses at an ultra-low N 2 H 4 concentration of 0.67 μM, showcasing its potential for ultra-sensitive N 2 H 4 detection but also realized HzOR instead of the oxygen evolution reaction (OER) half-reaction, thereby lowering the overpotential to 2.0 mV at 10.0 mA cm −2 . Finally, a Zn-hydrazine (Zn-Hz) battery was fabricated as a promising energy conversion device, showing the exceptional practical value of Co 1−x P/C.
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PubMed
高影响因子
NEW JOURNAL OF CHEMISTRY
·
2024
·Vol. 48
·期 26
·11767-11775
·
IF 2.7
Nianhao Hong,Xiaochao Liu,Xiaoxiao Li,Siyuan Peng,Chao Liu,Huan Li,Jinming Zeng,Tongxiang Liang,Xiaopeng Qi
Rechargeable zinc–air batteries have been extensively studied as a potential solution for overcoming the challenges of energy crises and achieving sustainable development. The primary bottleneck of zinc–air batteries is the lack of efficient and low-cost dual-functional catalysts. In this study, we successfully prepared carbon nanotube-encapsulated bimetallic Co/Cu (Co/Cu0.2@NC) catalysts that exhibit excellent ORR (E1/2 = 0.838 V) and OER (overpotential of 322 mV at 10 mA cm−2) performances, exceeding those of the commercial RuO2 and Pt/C catalysts. Furthermore, rechargeable liquid zinc–air batteries prepared using the Co/Cu0.2@NC catalysts show a high power density (171.44 mW cm−2), a high open circuit voltage (1.485 V), and a long life with stability for 2400 cycles (or 400 h). More importantly, flexible zinc–air batteries prepared using this catalyst exhibit a peak power density of 70.8 mW cm−2 and a superior stability for 480 cycles (or 80 h). This excellent dual-functional catalyst has great potential for zinc–air battery and other energy storage applications.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2024
·
IF 9.4
Hong Tan,Pan Wang,Guocai Yuan,Huan Yang,Jiang Ye,Kai Lu,Gang Chen,Biyou Peng,Qinyong Zhang
The advancement of aqueous zinc-ion batteries (AZIBs) is impeded by challenges encompassing cathodic and anodic aspects, such as limited capacity and dendrite formation, constraining their broader utilization. Herein, pyrrole, an economically viable and readily accessible compound, is proposed as a versatile electrolyte additive to address these challenges. Experiments and DFT calculations reveal that pyrrole and its derivatives preferentially adsorb onto zinc foil, facilitating the formation of a pyrrole-based solid electrolyte interphase (SEI), which effectively guides uniform Zn 2+ deposition through strong attraction force and suppresses hydrogen evolution reactions and parasitic reactions. On the cathode side, the additive promotes the formation of a durable cathode electrolyte interphase (CEI) enriched with poly-pyrrole (Ppy) analogues. Such layer significantly contributes to extra capacity of both polyaniline (PANI) and MnO 2 cathodes by leveraging the electrochemical reactivity of Ppy towards Zn 2+ and improves their cyclic stability. Consequently, a dendrite-free Zn anode is realized with an extended cyclic lifespan surpassing 6000 h in Zn//Zn cell, coupled with an average Coulombic efficiency of 99.7 % in Cu//Zn cell. Moreover, the PANI//Zn and MnO 2 //Zn full cells demonstrate enhanced capacities along with improved cycling stability. This work provides a new additive strategy towards concurrent stabilization of cathode and Zn anode in AZIBs.
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高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Hongmei Tang,Mengwen Fan,Lin Lv,Gang Cheng,Fei Han,Junhua Zou,Qing Gong,Zhenxiong Huang,Xiaoping Chen,Bohong Chen,Houzhao Wan,Hao Wang
It is desirable but challenging to develop low-cost and high-performance electrocatalysts for the oxygen evolution reaction (OER) in zinc–air batteries (ZABs) applications. In this work, a series of cerium oxide-coated cobalt vanadium oxide nanoplates (denoted as CVO@CeO 2 ) are prepared using different CeO 2 loadings through a facile two-step method. Compared to bare CVO, CeO 2, and commercial RuO 2 , the CVO@CeO 2 -0.20 catalyst presents much higher activity toward OER in alkaline solutions. Moreover, the CVO@CeO 2 -0.20 also exhibits superior open-circuit voltage and durability when utilized as the cathode in ZABs. Both theoretical calculations and experimental results disclose that the decoration of CeO 2 on CVO not only regulates the formation of high-spin state Co 3+ , optimizing the absorbate evolution mechanism (AEM) pathway, but also activates lattice oxygen, enhancing the lattice oxide oxidation mechanism (LOM) pathway. This research presents the CVO@CeO 2 heterojunction as an excellent catalyst for the OER and proposes a promising interface-regulated strategy for developing catalysts based on the reinforcement of AEM and LOM mechanisms.
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危险品化学品经营许可证（带存储）