ACS Nano
·
2023
·
IF 17.1
Qing Li,Hu Hong,Jiaxiong Zhu,Zhuoxi Wu,Chuan Li,Donghong Wang,Pei Li,Yuwei Zhao,Yue Hou,Guojin Liang,Funian Mo,Huilin Cui,Chunyi Zhi
Uncontrollable dendrite formation in the Zn anode is the bottleneck of the commercialization of rechargeable aqueous zinc-based batteries (RAZBs). Interface, the location of the charge transfer process occuring, can significantly affect the further morphology evolution in ways that have not yet been fully comprehended, for example, the crystal facet and orientation of the coating layer. In this study, we demonstrated that the morphology and kinetics of the Zn anode could be tuned by the crystal facet. The fabricated textured ZnSe (T-ZnSe) layer can significantly enhance the reaction kinetics and induce uniform (0002)Zn deposition. In stark contrast, the polycrystalline P-ZnSe coating hinders the charge transfer process at the interface. With this T-ZnSe@Zn as the anode, the full cell with an I2 cathode and a practical areal capacity (2 mAh cm–2) can work well for 900 cycles. The effectiveness of this anode has also been testified by a pouch cell with an overall capacity of 150 mAh. This research contributes to the understanding of the interface and the feasible strategy for the practical application of the Zn anode.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2024
·
IF 9.4
Li Li,Kaixuan Kuang,Xiuzhen Zheng,Jiahui Wang,Wei Ren,Jingbiao Ge,Sujuan Zhang,Shifu Chen
To enhance the efficiency of photocatalytic H 2 evolution, numerous methods are employed by increasing the utilization of photogenerated charge carriers (PCCs), including catalyst design, defect regulation, and selection of suitable H + resources. Using self-assembly method, CoWO 4 /Zn x Cd 1−x S with p–n heterojunction was synthesized. Although CoWO 4 (CW) cannot produce H 2 under visible light irradiation, it can provide photogenerated electrons (e − ) to Zn 0.3 Cd 0.7 S (ZCS), and largely increase the photocatalytic activity of ZCS. The optimal CW/ZCS composite can reach 15.58 mmol·g −1 ·h −1 , which is 45.8 and 24.3 times higher than the values of the pure CdS and ZCS, respectively. The largely enhanced photocatalytic H 2 production is attributed to the Zn vacancies (V Zn ), p–n heterojunction, and p-chlorobenzyl alcohol (Cl–PhCH 2 OH) as the H + source of H 2 production. V Zn on the ZCS surface as the capture center of photogenerated holes (h + ), can regulate the carrier distribution, which results in more photogenerated e − and less generated h + . The combination of p–n heterojunction and V Zn can enhance the separation and transfer efficiency of PCCs, and effectively inhibit the recombination of charge carriers. To further improve the utilization rate of PCCs, the photocatalytic H 2 evolution is proceeded by Cl–PhCH 2 OH oxidation in N , N -dimethylformamide solution, with 4-chlorobenzaldehyde (Cl–PhCHO) generated. The separated photogenerated e − and h + both participated in the redox reaction of H + reduction and Cl–PhCH 2 OH oxidation, considering that the amount of H 2 and Cl–PhCHO products are close to 1:1. This work not only facilitates the separation and transfer of PCCs, but also provides directions for the design of efficient photocatalysts and H 2 evolution in the organic phase.
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ADVANCED FUNCTIONAL MATERIALS
·
2023
·
IF 19
Zishuai Zhang,Wei Ling,Ninggui Ma,Jiaqi Wang,Xiaoyang Chen,Jun Fan,Miao Yu,Yan Huang
High rate tolerance and long cycle life represent the critical demand of the market for energy storage devices, known as one of major challenges for the development of rechargeable aqueous batteries. Herein, a layered Mo4/3B2T2 (where “T” denotes -O, -OH, and -F terminations) MBene (a transition metal boride) with in-plane ordered metal vacancies is first proposed as an iodine species host of an aqueous Zn‖I 2 battery, delivering a discharge capacity of 106.8 mAh g −1 at 25 A g −1 after 230 000 cycles and 80 mAh g −1 at 100 A g −1 , far exceeding those of all Zn‖I 2 batteries ever reported. The high performance is attributed to the strong affinity with iodine species and accelerated the redox kinetics by the conductive MBene with metal vacancies, as evidenced by the one-step conversion of I ‒ /I 0 without the generation of I 3‒ ions. This work unlocks a new route for the construction of other halide or sulfur electrode batteries with superior durability and kinetics.
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CHEMICAL ENGINEERING JOURNAL
·
2023
·
IF 15.1
Gongxi Qiao,Xuming Pan,Mengyun He,Ruixi Peng,Xiangrong Huang,Cunpeng Nie,Jianhui Jiang,Xia Chu
Tumor protein 53 (Tp53), a key regulator of suppressor genes, is commonly mutated in numerous malignant diseases. Consequently, elimination mutant protein 53 (mutp53) represents an appealing strategy for treating mutp53-related tumors. However, the treatment of these mutations remained challenging due to its formidable limitations. In this study, by loading glucose oxidase (GOX) into Zn-based layered double hydroxides (Zn-LDH) interlayer, a pH-responsive ultrathin nanotherapeutic platform (Zn-LDH@GOX) was created to suppress tumors growth by degrading mutp53. Upon exposure to the acidic environment of lysosomes, the lattice structure of Zn-LDH@GOX was partially disrupted, leading to the release of Zn 2+ ions and GOX into the cytoplasm. The increased intracellular concentration of Zn 2+ facilitated the restoration of wild-type protein 53 (wtp53) conformation, which in turn degraded mutp53 through activated autophagic pathways. Meanwhile, GOX-induced Heat Shock Protein 90 (HSP90) disruption resulted in the liberation of mutp53 from the HSP90/mutp53 complex and reactivated its degradation via the ubiquitination-mediated proteasomal pathway. In vitro and in vivo experiments confirmed the significant suppression of mutp53 expression and inhibition of tumor growth by Zn-LDH@GOX. Our work offers a novel pH-responsive nanotherapeutic platform with immense potential for mutp53 tumor-specific therapy.
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INDUSTRIAL CROPS AND PRODUCTS
·
2023
·
IF 5.9
Wenhui Tian,Penggang Ren,Xin Hou,Zhengzheng Guo,Runzhuo Xue,Jiahui Geng,Zhengyan Chen,Yanling Jin
Zinc ion hybrid capacitors (ZHCs) as a new type of energy storage device, possess high power density, low cost, and safety. However, the unsatisfactory energy density of ZHCs caused by low output voltage and small specific capacitance restricts its practical application. Herein, a novel multiple heteroatoms doping carbon sphere is achieved from the mixture precursors of glucosamine hydrochloride and sodium lignosulfonate via chemical activation strategy. High specific surface area, rich O/N/S-containing functional groups, and good electric conductivity endow the resultant carbon sphere with a superior specific capacity of 233 mAh g −1 at 1 A g −1 and outstanding capacity retention of 83 mAh g −1 at 50 A g −1 . Remarkably, as-assembled ZHC exhibits a conspicuous energy density of 209.7 Wh kg −1 at 900 W kg −1 , and its energy density still maintains 74.7 Wh kg −1 at 45,000 W kg −1 . Furthermore, after 10,000 cycles, the resultant carbon sphere achieves 100% capacitance retention. This work offers a feasible strategy for carbon cathode materials with enhancing energy density and rate capability, and concurrently reasonable cycling stability.
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ADVANCED FUNCTIONAL MATERIALS
·
2023
·
IF 19
Huijie Wang,Jiaye Zhu,Xuhui Ren,Yun Tong,Pengzuo Chen
Tuning coordination environment of single-atom catalysts (SACs) is widely applied for the electrochemical CO 2 reduction reaction (CO 2 RR). However, the influence of the interaction between SACs and support on the catalytic performance are not comprehensive. Herein, taking cobalt phthalocyanine (CoPc) as a conceptual example, a hetero S-atom doping strategy of hollow carbon sphere (S-NHC) is put forward as a carrier, revealing the intrinsic relationship between microenvironment regulation and catalytic activity of single Co-atom. The additional S doping may induce more carbon defect and increases the content of pyrrolic N in the S-NHC sample, leading to stronger electronic interaction of heterogeneous CoPc/S-NHC for boosting CO 2 RR performance. Remarkably, the catalyst achieves a highest CO selectivity of nearly 100% at −0.6 V, and the FE CO are over 90% in a wide potential range from −0.4 to −0.8 V in a flow cell. The maximum power density is high as 2.68 mW cm −2 at 4.7 mA cm −2 for the Zn–CO 2 battery with CoPc/S-NHC cathode. In situ attenuated total reflection infrared (ATR-IR) spectroscopy reveals the formation of key *COOH and *CO intermediates, while the calculation result confirm the optimized Gibbs free energy of these intermediates on CoPc/S-NHC, suggesting the feasibility of the regulation strategy.
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ACS Sustainable Chemistry & Engineering
·
2023
·
IF 8.4
Junli Nie,Mei Dong,Guangkai Chen,Nannan Wang,Jun Nie,Guiping Ma
Although the Zn-air battery has many advantages, its short practical life hinders its development. Many solutions have been proposed and extensively studied. In this paper, a cobalt-nitrogen co-doped hierarchical porous carbon-based bifunctional catalyst (Co/N-HPCs-800) is reported, using sustainable and low-cost sodium alginate (Na-Alg), a common seaweed extract, as a precursor to complex excess metal particles. The hydrogel network formed by the exchange of sodium ions with metal cation (Co2+) ions is the key to the controllable synthesis of highly dispersed metal atoms. Co/N-HPCs-800 shows excellent catalytic performance and durability in oxygen reduction reaction (E1/2 = 0.86 V) and oxygen evolution reaction (367 mV @ 10 mA cm–2). Importantly, we only attenuated the half-wave potential by 8 mV after more than 50,000 cycles. In addition, the Zn-air batteries (ZABs) using Co/N-HPCs-800 as a cathode exhibit a power density up to 159.67 mW cm–2 and a high specific capacity of 787.94 mA h g–1. This work opens up practical new strategies for synthesizing excess metal catalysts in low cost, effectively improving the service life of Zn-air batteries.
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Journal of Energy Storage
·
2023
·
IF 9.4
Xiuli Huang,Wei Chen,Huan Liu,Shi Li,Wangwang Zhang,Yiming Ren,Rongli Zhang,Maodong Xu,Jiang Zhu
The couple of supercapacitors' high power density and batteries' high energy density endows aqueous zinc-ion hybrid supercapacitors (ZIHSCs) a perspective candidate for next-generation energy storage devices. Biomass-derived hierarchical porous carbon with excellent wettability towards aqueous electrolyte is regarded as a promising cathode for ZIHSCs applications. Herein, a N/O co-doped hydrophilic carbon with hierarchical porous architecture is conversed from protein enriched recycled badminton feathers via a facile and scalable strategy. The resultant carbon presents hierarchical porous architecture with high surface area and mesopore-governed pore size distribution, rich dual-doping of N/O heteroatoms and good water wetting behavior. The all-round teamwork of these unique properties provides numerous interfacial active sites plus extra reversible redox reaction for high energy density, and speedy kinetics for high power density. Incredibly, as-assembled ZIHSC device displays an ultrahigh capacity of 225.3 mAh g −1 at 0.1 A g −1 with an appreciable capacity retention of 73.8 mAh g −1 even at a 1000-fold amplified current density, thereby delivering admirable energy and power densities of 201.4 Wh kg −1 and 83.6 kW kg −1 . Most satisfyingly, an ultralong cycling life with no loss in capacity is achieved after 40,000 cycles even at 50 A g −1 . Therefore, by taking advantage of its intrinsic component, the conversion of biomass waste to high performance carbon-based cathode material holds a broad prospect and practical significance.
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MICROCHEMICAL JOURNAL
·
2023
·
IF 4.8
Congcong Yao,Junchao Qian,Feng Chen,Yaping Wang,Jinyu Lin,Jianping Chen,Jianqiang Wei,Zeling Yang
Water quality monitoring requires new water sensors with highly sensitive and low-power consumption to detect the increasingly widespread contamination of antibiotics. Quantum dots (QDs), typically solid solution quantum dots (SSQDs), are emerging as promising sensing materials candidates owing to their unique structure with extremely small size and extraordinary electronic properties. In this work, Zn-doped CeO 2 solid solution quantum dots with 2–6 nm grain size were embedded into biocarbon sheets and constructed as modified sensing electrode to detect trace ciprofloxacin (CIP). Biocarbon skeleton and the highly defective SSQDs structure enables them to be ideal reactors for electro-redox of CIP. The proposed strategy offers a powerful and feasible way to fabricate SSQDs modified electrode, suggesting potential application of electrochemical sensor for antibiotic.
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Advanced Science
·
2023
·
IF 15.1
Ying Zheng,Ting Deng,Xiaoyuan Shi,Hengbin Zhang,Bo Liu,Xun Li,Weitao Zheng
Seeking new cathode chemistry with high onset potential and compatibility with electrolytes has become a challenge for aqueous Zn ion batteries. Anion intercalation in graphite (4.5 V vs Li + /Li) possesses the potentiality but usually shows a competitive relationship with oxygen evolution reaction (OER) in aqueous solutions. Herein, a decoupled design is proposed to optimize a full utilization of perchlorate ion intercalation in graphite cathode by pH adjustment. Benefiting from the decoupled design, high Coulombic efficiency is obtained by decelerating the kinetic of OER in acidic media. The decoupled Zn-graphite battery exhibits a wide potential window of 2.01 V, as well as an attractive energy density of 231 Wh kg −1 . In addition, a Zn-graphite battery with SO 4 2 − ${\mathrm{SO}}_4^{2 - }$ insertion is assembled, which demonstrates the capability of the proposed decoupled strategy to integrate novel electrode chemistries for high-performance aqueous Zn-based energy storage systems.
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Advanced Healthcare Materials
·
2023
·Vol. 12
·期 30
·2300746
·
IF 10
Jianwen Zhang,Xinyu Pei,Yihan Liu,Xianlan Ke,Ya Peng,Yajun Weng,Qinyong Zhang,Junying Chen
There is an urgent need to develop a series of multifunctional materials with good biocompatibility, high mechanical strength, hemostatic properties, antiadhesion, and anti-infection for applications in wound care. However, successfully developing multifunctional materials is challenging. In this study, two superhydrophobic composite coatings with good biocompatibility, high mechanical strength, strong antifouling and blood repellency, fast hemostasis, and good antibacterial activity are prepared on cotton fabric surface by simple, green, and low-cost one-step dip-coating technology. The results discussed in the manuscript reveals that the two superhydrophobic composite coatings can maintain good mechanical stability, strong water repellency, and durability under various types of mechanical damage, high-temperature treatment, and long-term strong light irradiation. The coatings also exhibit good repellency to various solid pollutants, highly viscous liquid pollutants, and blood. In vitro and in vivo hemostatic experiments show that both composite coatings have good hemostatic and anticlot adhesion properties. More importantly, this superhydrophobic coating prevents bacterial adhesion and growth and released Cu 2+ and Zn 2+ ions and chitosan to achieve bactericidal properties, thereby protecting injured skin from bacterial infection. The two superhydrophobic coatings enhance the antifouling, antiadhesion, hemostatic, and antibacterial functions of blood-repellent dressings and therefore have broad application prospects in medical and textile fields.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2023
·
IF 9.9
Jianxiong Xing,Luo Yan,Tao Chen,Zhicui Song,Zihao Wang,Yuchi Liu,Liujiang Zhou,Jingze Li
Lithium (Li)-rich ternary alloy, comprising a multi-alloy phase as the built-in three-dimensional (3D) framework and a Li metal phase as a reversible Li reservoir, is a promising high-energy–density anode for rechargeable Li metal batteries. The introduction of metal/metalloid components to the alloy can effectively regulate Li deposition and maintain the dimensional integrity of the Li anode. Herein, the lithium–copper–zinc (Li–Cu–Zn) ternary alloy, as a new type of alloy anode, is synthesized via a facile thermal melting method. The fully delithiated 3D scaffold comprised two Cu–Zn alloy phases named CuZn and CuZn 5 . These alloy phases exhibit higher lithiophilicity and structural stability than Li–Zn and Li–Cu alloys. Moreover, the CuZn phase is electrochemically inert, ensuring the geometric stability of the anode, while the CuZn 5 phase can readily undergo alloying reaction with Li to form the LiZn phase, thereby facilitating uniform Li nucleation and deposition. The hybridized multiphase alloy structure and specific energy storage mechanism of the Cu–Zn based alloy scaffold in the ternary alloy anode facilitate dendrite-free Li deposition and prolonged cycle lifetime. The Li metal full battery based on lithium iron phosphate (LiFePO 4 ) cathode exhibits high cycling stability with high-capacity retention of 95.4% after 1000 cycles at 1C.
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