Zhen Luo

Zhejiang University

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Wenling Gu

Central China Normal University

Yinzhu Jiang

Zhejiang University

Chengzhou Zhu

Central China Normal University

Yufan Xia

Zhejiang University

Qingchen Shen

University of Cambridge

Chengyi Song

Shanghai Jiao Tong University

Tao Deng

Shanghai Jiao Tong University

Peng Tao

Shanghai Jiao Tong University

Wen Shang

Shanghai Jiao Tong University

Hongge Pan

Zhejiang University

Cooperative Institutions

Chinese Academy of Sciences

Shanghai Jiao Tong University

Zhejiang University

Huazhong University of Science and Technology

University of Chinese Academy of Sciences

Central China Normal University

Central South University

Wuhan National Laboratory for Optoelectronics

Tsinghua University

Northeast Normal University

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Boosting the performance of aqueous zinc‐ion battery by regulating the electrolyte solvation structure

EcoMat (2024)

Xingxing Wu Yufan Xia Shuang Chen Zhen Luo Xuan Zhang

Abstract The practical implementation of aqueous Zn‐ion batteries (ZIBs) for large‐scale energy storage is impeded by the challenges of water‐induced parasitic reactions and uncontrolled dendrite growth. Herein, we propose a strategy to regulate both anions and cations of electrolyte solvation structures to address above challenges, by introducing an electrolyte additive of 3‐hydroxy‐4‐(trimethylammonio)butyrate (HTMAB) into ZnSO 4 electrolyte. Consequently, the deposition of Zn is significantly improved leading to a highly reversible Zn anode with paralleled texture. The Zn/Zn cells with ZnSO 4 /HTMAB exhibit outstanding cycling performance, showcasing a lifespan exceeding 7500 h and an exceptionally high accumulative capacity of 16.47 Ah cm −2 . Zn/NaV 3 O 8 ·1.5H 2 O full cell displays a specific capacity of ~130 mAh g −1 at 5 A g −1 maintaining a capacity retention of 93% after 2000 cycles. This work highlights the regulation on both cations and anions of electrolyte solvation structures in optimizing interfacial stability during Zn plating/stripping for high performance ZIBs. image

Boosting

10.1002/eom2.12438

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Citations (7)

Synergistic “Anchor-Capture” Enabled by Amino and Carboxyl for Constructing Robust Interface of Zn Anode

Nano-Micro Letters (2023)

Zhen Luo Yufan Xia Shuang Chen Xingxing Wu Ran Zeng

Abstract While the rechargeable aqueous zinc-ion batteries (AZIBs) have been recognized as one of the most viable batteries for scale-up application, the instability on Zn anode–electrolyte interface bottleneck the further development dramatically. Herein, we utilize the amino acid glycine (Gly) as an electrolyte additive to stabilize the Zn anode–electrolyte interface. The unique interfacial chemistry is facilitated by the synergistic “anchor-capture” effect of polar groups in Gly molecule, manifested by simultaneously coupling the amino to anchor on the surface of Zn anode and the carboxyl to capture Zn 2+ in the local region. As such, this robust anode–electrolyte interface inhibits the disordered migration of Zn 2+ , and effectively suppresses both side reactions and dendrite growth. The reversibility of Zn anode achieves a significant improvement with an average Coulombic efficiency of 99.22% at 1 mA cm −2 and 0.5 mAh cm −2 over 500 cycles. Even at a high Zn utilization rate (depth of discharge, DOD Zn ) of 68%, a steady cycle life up to 200 h is obtained for ultrathin Zn foils (20 μm). The superior rate capability and long-term cycle stability of Zn–MnO 2 full cells further prove the effectiveness of Gly in stabilizing Zn anode. This work sheds light on additive designing from the specific roles of polar groups for AZIBs.

Interface (matter)

10.1007/s40820-023-01171-w

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Citations (49)

Study of phosphate removal from aqueous solution by zinc oxide

Journal of Water and Health (2015)

Zhen Luo Suiyi Zhu Zhongmou Liu Jiancong Liu Mingxin Huo

Zinc oxide (ZnO) was synthesized and used to investigate the mechanism of phosphate removal from aqueous solution. ZnO particles were characterized by X-ray diffraction, scanning electron microscope and Fourier transform infrared spectroscopy before and after adsorption. Batch experiments were carried out to investigate the kinetics, isotherms, effects of initial pH and co-existing anions. The adsorption process was rapid and equilibrium was almost reached within 150 min. The adsorption kinetics were described well by a pseudo-second-order equation, and the maximum phosphate adsorption capacity was 163.4 mg/g at 298 K and pH ∼6.2 ± 0.1. Thermodynamic analysis indicated the phosphate adsorption onto ZnO was endothermic and spontaneous. The point of zero charge of ZnO was around 8.4 according to the pH-drift method. Phosphate adsorption capacity reduced with the increasing initial solution pH values. The ligand exchange and Lewis acid-base interaction dominated the adsorption process in the lower and the higher pH range, respectively. Nitrate, sulfate and chloride ions had a negligible effect on phosphate removal, while carbonate displayed significant inhibition behavior.

Zinc nitrate

Endothermic process

10.2166/wh.2015.210

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Citations (21)

Transient Zwitterions Dynamics Empowered Adaptive Interface for Ultra‐Stable Zn Plating/Stripping

Small (2023)

Xingxing Wu Yufan Xia Shuang Chen Zhen Luo Xuan Zhang

Abstract A highly reversible zinc anode is crucial for the commercialization of zinc‐ion batteries. However, the change in the microstructure of the electric double layer originated from the dynamic change in charge density on the electrode greatly impacts anode reversibility during charge/discharge, which is rarely considered in previous research. Herein, the zwitterion additive is employed to create an adaptive interface by coupling the transient zwitterion dynamics upon the change of interfacial charge density. Ab initio molecular dynamics simulations suggest the molecular orientation and adsorption groups of zwitterions will be determined by the charging state of the electrode. ZnSO 4 electrolyte with zwitterion fulfills a highly reversible Zn anode with an average Coulombic efficiency of up to 99.85%. Zn/Zn symmetric cells achieve greatly enhanced cycling stability for 700 h with extremely small voltage hysteresis of 29 mV under 5 mA cm −2 with 5 mAh cm −2 . This study validates the adaptive interface based on transient dynamics of zwitterions, which sheds new light on developing highly reversible metal anodes with a high utilization rate.

Zwitterion

Charge density

10.1002/smll.202306739

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Citations (16)

Integrating plasmonic nanostructures with natural photonic architectures in Pd-modified Morpho butterfly wings for sensitive hydrogen gas sensing

RSC Advances (2018)

Jiaqing He Nicolò Simone Villa Zhen Luo Shun An Qingchen Shen

This work reports a bioinspired three-dimensional (3D) heterogeneous structure for optical hydrogen gas (H2) sensing. The structure was fabricated by selective modification of the photonic architectures of Morpho butterfly wing scales with Pd nanostrips. The coupling of the plasmonic mode of the Pd nanostrips with the optical resonant mode of the Morpho biophotonic architectures generated a sharp reflectance peak in the spectra of the Pd-modified butterfly wing, as well as enhancement of light-matter interaction in Pd nanostrips. Exposure to H2 resulted in a rapid reversible increase in the reflectance of the Pd-modified butterfly wing, and the pronounced response of the reflectance was at the wavelength where the plasmonic mode strongly interplayed with the optical resonant mode. Owing to the synergetic effect of Pd nanostrips and biophotonic structures, the bioinspired sensor achieved an H2 detection limit of less than 10 ppm. Besides, the Pd-modified butterfly wing also exhibited good sensing repeatability. The results suggest that this approach provides a promising optical H2 sensing scheme, which may also offer the potential design of new nanoengineered structures for diverse sensing applications.

Morpho

10.1039/c8ra05046e

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Citations (35)

Infrared Detection Based on Localized Modification of Morpho Butterfly Wings

Advanced Materials (2014)

Fangyu Zhang Qingchen Shen Xindong Shi Shipu Li Wanlin Wang

Inspired by butterflies an advanced detection and sensing system is developed. The hierarchical nanoarchitecture of Morpho butterfly wings is shown to facilitate the selective modification of such a structure, which results in a sensitive infrared response. These findings offer a new path both for detecting infrared photons and for generating nanostructured bimaterial systems for high-performance sensing platforms.

Morpho

10.1002/adma.201404534

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Citations (97)

Anion effects on the solvation structure and properties of imide lithium salt-based electrolytes

RSC Advances (2019)

Li Wang Zhen Luo Hong Xu Nan Piao Zonghai Chen

The anion effect on Li+ solvation structure and consequent electrochemical and physical properties was studied on the basis of LiFSI-DMC (lithium bisfluorosulfonyl imide-dimethyl carbonate)- and LiTFSI-DMC (lithium bis(trifluoromethanesulfonyl imide)-dimethyl carbonate)-based dilute electrolytes, highly concentrated electrolytes, and localized concentrated electrolytes. With different anions, the electrolytes are different in possible solvation structures and charge distributions, leading to differences in terms of thermal properties, viscosity, ionic conductivity, electrochemical oxidation and reduction behaviors as well as LiNi0.6Mn0.2Co0.2|Li cell performances. The results indicate that the electronic structure of anions contributes greatly to the charge distribution of the Li+ solvation sheath, and consequently extends to the thermodynamics of the carbonate molecules, affecting reduction, oxidation reaction and products on the interface between electrolytes and electrodes. The comprehensive understanding of the solution structure and properties is necessary for the rational design of advanced electrolytes.

Imide

10.1039/c9ra07824j

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Citations (47)

Dual‐Site Activation Coupling with a Schottky Junction Boosts the Electrochemiluminescence of Carbon Nitride

Angewandte Chemie (2023)

Zhichao Wu Jing Wen Ying Qin Ling Ling Lei Jiao

Abstract Robust electrochemiluminescence (ECL) of carbon nitride (CN) requires efficient electron‐hole recombination and the suppression of electrode passivation. In this work, Au nanoparticles and single atoms (Au SA+NP ) loaded on CN serve as dual active sites that significantly accelerate charge transfer and activate peroxydisulfate. Meanwhile, the well‐established Schottky junctions between Au NPs and CN act as electron sinks, effectively trapping over‐injected electrons to prevent electrode passivation. As a result, the porous CN modified with Au SA+NP exhibits an enhanced and stable ECL emission, with a minimal relative standard deviation of 0.24 %. Furthermore, the designed ECL biosensor based on Au SA+NP ‐CN shows a remarkable performance in detecting organophosphorus pesticides. This innovative strategy has the potential to offer new insights into strong and stable ECL emission for practical applications.

Electrochemiluminescence

Peroxydisulfate

Passivation

Carbon nitride

10.1002/ange.202308257

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Citations (8)

Single-atom cobalt nanozymes promote spinal cord injury recovery by anti-oxidation and neuroprotection

Nano Research (2023)

Yuxin Jiang Hongtao Rong Yifan Wang Shange Liu Peng Xu

Minocycline

10.1007/s12274-023-5588-z

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Citations (21)

A Real-time Demonstration of Bidirectional Multi-format/Rate-adjustable Integrated Laser Communication/Ranging for Satellite Communication

Yizhou Wang Yuanxiang Wang Zhen Luo Linsheng Zhong Yang Zou

A multi-format/rate-adjustable integrated laser communication/ranging system is proposed, achieving adjustable rates between 0.625-10Gbit/s. Real-time experiment shows that at 1e-4 BER the ranging error is only 0.29% of the width of the code element.

Ranging

Satellite laser ranging

Communications satellite

Free-Space Optical Communication

10.1364/cleo_si.2024.sw3n.3

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Citations (0)