Li Wang

State Key Laboratory of Chemical Engineering

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Haojie Yu

Zhejiang University

Liqun Ye

China Three Gorges University

Duan Gao

Dalian Maritime University

Xizhen Zhang

Dalian Maritime University

Shi Xue Dou

University of Wollongong

Yi Du

Beihang University

Jinsu Zhang

Dalian Maritime University

Xun Xu

University of Wollongong

Xiangping Li

Shandong University of Science and Technology

Sai Xu

Dalian Maritime University

Cooperative Institutions

Chinese Academy of Sciences

218

Zhejiang University

118

University of Chinese Academy of Sciences

102

State Key Laboratory of Chemical Engineering

University of Science and Technology of China

Huazhong University of Science and Technology

Shanghai Jiao Tong University

Jilin University

Sun Yat-sen University

Peking University

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Dimensional Gradient Structure of CoSe2@CNTs–MXene Anode Assisted by Ether for High-Capacity, Stable Sodium Storage

Nano-Micro Letters (2021)

Enze Xu Pengcheng Li Junjie Quan Hanwen Zhu Li Wang

Abstract Recently, abundant resources, low-cost sodium-ion batteries are deemed to the new-generation battery in the field of large-scale energy storage. Nevertheless, poor active reaction dynamics, dissolution of intermediates and electrolyte matching problems are significant challenges that need to be solved. Herein, dimensional gradient structure of sheet–tube–dots is constructed with CoSe 2 @CNTs–MXene. Gradient structure is conducive to fast migration of electrons and ions with the association of ether electrolyte. For half-cell, CoSe 2 @CNTs–MXene exhibits high initial coulomb efficiency (81.7%) and excellent cycling performance (400 mAh g −1 cycling for 200 times in 2 A g −1 ). Phase transformation pathway from crystalline CoSe 2 –Na 2 Se with Co and then amorphous CoSe 2 in the discharge/charge process is also explored by in situ X-ray diffraction. Density functional theory study discloses the CoSe 2 @CNTs–MXene in ether electrolyte system which contributes to stable sodium storage performance owing to the strong adsorption force from hierarchical structure and weak interaction between electrolyte and electrode interface. For full cell, CoSe 2 @CNTs–MXene//Na 3 V 2 (PO 4 ) 3 /C full battery can also afford a competitively reversible capacity of 280 mAh g −1 over 50 cycles. Concisely, profiting from dimensional gradient structure and matched electrolyte of CoSe 2 @CNTs–MXene hold great application potential for stable sodium storage.

Sodium-ion battery

10.1007/s40820-020-00562-7

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Citations (81)

Interstitial Boron Atoms in Pd Aerogel Selectively Switch the Pathway for Glycolic Acid Synthesis from Waste Plastics

Advanced Materials (2024)

Junliang Chen Miaomiao Jiang Fangzhou Zhang Li Wang Jianping Yang

Abstract Electro‐reforming of poly(ethylene terephthalate) (PET) into valuable chemicals is garnering significant attention as it opens a mild avenue for waste resource utilization. However, achieving high activity and selectivity for valuable C2 products during ethylene glycol (EG) oxidation in PET hydrolysate on Pd electrocatalysts remains challenging. The strong interaction between Pd and carbonyl (*CO) intermediates leads to undesirable over‐oxidation and poisoning of Pd sites, which hinders the highly efficient C2 products production. Herein, a nonmetallic alloying strategy is employed to fabricate a Pd‐boron alloy aerogel (PdB), wherein B atoms are induced to regulate the electron structure and surface oxophilicity. This approach allows a remarkable mass activity of 6.71 A mg Pd −1 , glycolic acid (GA) Faradaic efficiency (FE) of 93.8%, and stable 100 h cyclic electrolysis. In situ experiments and density functional theory calculations reveal the contributions of B inserted in Pd lattice on highly effective EG‐to‐GA conversion. Interestingly, the heightened surface oxophilicity and regulated electronic structure by B incorporation weakened *CO intermediates adsorption and enhanced hydroxyl species affinity to accelerate oxidative *OH adspecies formation, thereby synergistically avoiding over‐oxidation and boosting GA synthesis. This work provides valuable insights for the rational design of high‐performance electrocatalysts for GA synthesis via an oxophilic B motifs incorporation strategy.

Glycolic acid

10.1002/adma.202401867

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Citations (19)

Atomic cobalt as an efficient electrocatalyst in sulfur cathodes for superior room-temperature sodium-sulfur batteries

Nature Communications (2018)

Binwei Zhang Tian Sheng Yundan Liu Yunxiao Wang Lei Zhang

The low-cost room-temperature sodium-sulfur battery system is arousing extensive interest owing to its promise for large-scale applications. Although significant efforts have been made, resolving low sulfur reaction activity and severe polysulfide dissolution remains challenging. Here, a sulfur host comprised of atomic cobalt-decorated hollow carbon nanospheres is synthesized to enhance sulfur reactivity and to electrocatalytically reduce polysulfide into the final product, sodium sulfide. The constructed sulfur cathode delivers an initial reversible capacity of 1081 mA h g-1 with 64.7% sulfur utilization rate; significantly, the cell retained a high reversible capacity of 508 mA h g-1 at 100 mA g-1 after 600 cycles. An excellent rate capability is achieved with an average capacity of 220.3 mA h g-1 at the high current density of 5 A g-1. Moreover, the electrocatalytic effects of atomic cobalt are clearly evidenced by operando Raman spectroscopy, synchrotron X-ray diffraction, and density functional theory.

Polysulfide

Cobalt sulfide

10.1038/s41467-018-06144-x

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Citations (361)

Photocatalytic Upcycling of Plastic Waste: Mechanism, Integrating Modus, and Selectivity

Small Structures (2023)

Li Wang Shan Jiang Wenke Gui Haoze Li Jing Wu

Plastics are ubiquitous and indispensable in our daily life because of their low cost, portability, durability, and processability. However, due to the overuse, short service life, and chemical inert character, the accumulated discarded plastics pose a great threat to the sustainable development of ecology and environment. Photocatalysis represents highly promising technology in transforming plastic wastes into value‐added products via green and mild method. In this perspective, the advantages of photocatalysis are discussed and compared with other catalysis technologies including thermal catalysis, electrocatalysis, and enzyme catalysis. Then the possible photocatalytic upcycling path of plastic wastes is clarified under different experimental conditions. The types of plastic wastes that can be upcycled by photocatalysis, the integrating modus between plastic wastes and the photocatalysts as well as the modulation of the product selectivity are also emphasized. Finally, the challenges and insights into the future development of photocatalytic plastic waste upcycling fields are presented. It is expected that this timely and critical review provides the instructive guidance for the design of photocatalysts with high efficiency and high selectivity toward plastic waste upcycling.

Plastic Waste

10.1002/sstr.202300142

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Citations (32)

Study on preparation of silica nanospheres by oxidation of micron silicon powder

International Journal of Applied Ceramic Technology (2025)

Yunlong Meng Jinguang Yang Ping Wu Yifan Xie Shiping Zhang

Abstract The oxidation of molten silicon powder in a high‐temperature suspension phase represents a promising technique for the continuous production of spherical silica. However, the agglomeration of silicon powder at high temperatures increases particle size and reduces reactant surface area, ultimately slowing the oxidation rate and disrupting the suspension state, leading to failed silica preparation. To address these issues, a pre‐oxidation step was implemented, whereby an oxide layer was created on the silicon powder. This was done to prevent molten silicon from agglomerating. This paper investigates the effect of pre‐oxidation time and melting temperature on the generation of spherical silica using a static suspension method. The 5 µm average‐sized silicon powder underwent pre‐oxidation at 1300°C for 30 min, followed by oxidation at the silicon's melting point. This resulted in amorphous spherical silica, ranging from 200 to 400 nm. Pre‐oxidation results in a Si@SiO 2 core–shell structure, which effectively prevents molten silicon agglomeration and significantly enhances particle oxidation rates. These findings lay the foundation for scaled‐up production of spherical silica using the airflow suspension method.

Amorphous silica

Suspension

Particle (ecology)

Silicon oxide

10.1111/ijac.15056

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Optical and reliability properties studies of Sr4Al14O25:Eu2+ film for high-CRI white LEDs

Journal of Materials Science Materials in Electronics (2020)

Li Wang Wei Wang Zhaojiang Shang Peiyuan Cao Mingming Shi

White (mutation)

10.1007/s10854-020-03912-8

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Citations (3)

Suppression of cation intermixing highly boosts the performance of core-shell lanthanide upconversion nanoparticles

Zenodo (CERN European Organization for Nuclear Research) (2023)

Fuhua Huang Niusha Bagheri Li Wang Hans Ågren Jinglai Zhang

Photon Upconversion

10.5281/zenodo.7729369

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Synthesis of Ternary MoS₂/Carbon Dots/ZnIn₂S₄ Nanocomposites for Enhanced Photocatalytic Hydrogen Evolution

Energy & Fuels (2024)

Mengyao Geng Xinyue Wang Shichang Yuan Tong Zhao Jing Zhang

The utilization of solar energy for photocatalytic water splitting to generate hydrogen represents a pivotal research domain, with significant implications for ecological and sustainable development. In this investigation, we employed a facile hydrothermal method to synthesize a hierarchical flower-like structure comprising a nonprecious metal ternary MoS2/carbon dots (CDs)/ZnIn2S4 heterojunction. Specifically, F-CDs (CDs) and MoS2 were cultivated on three-dimensional ZnIn2S4 (ZIS) nanoflowers. The photocatalytic activity for hydrogen evolution of the ternary MoS2/CDs/ZIS nanocomposite material surpassed that of MoS2/ZIS and CDs/ZIS, underscoring a synergistic effect between MoS2 and CDs in facilitating hydrogen evolution. Furthermore, within the ternary MoS2/CDs/ZIS composite material, CDs served as electron mediators, expediting the transfer of photogenerated electrons from the semiconductor-based photocatalyst (ZnIn2S4) to the cocatalyst (MoS2). Simultaneously, CDs, functioning as electron acceptors, heightened the hydrogen evolution reaction. The hydrogen production of the MoS2/CDs/ZIS(3) composite material reached 13.365 mmol g–1 within a 5 h duration, a notable increase of 6.7 times compared to pure ZIS. This investigation offers a strategic approach for developing efficient hydrogen evolution photocatalysts by leveraging CDs as a bridge to enhance charge transfer in nanocomposite materials.

Carbon fibers

10.1021/acs.energyfuels.4c00619

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Citations (2)

Boosting photocatalytic nitrogen reduction reaction by Jahn-Teller effect

Journal of Colloid and Interface Science (2023)

Li Wang Ben Ma Yiran Teng Wansheng Ruan Gangya Cheng

Photocurrent

10.1016/j.jcis.2023.06.191

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Citations (4)

Synthesis and Properties Research of Dy3+-Eu3+ Co-Doped Bbibaz Luminescent Glass for White Led Applications

Li Wang Zhongli Zhu

a series of B2O3-Bi2O3-BaO-ZnO luminescent glasses with different concentrations of Dy3+ doping and Dy3+-Eu3+ co-doping was planned by the high-temperature melt method. Their structure, chemical stability, glowing properties, energy transfer, and temperature-dependent emission spectra were also investigated. Under various monitor wavelengths, the visible emitted spectrum of the Dy3+-Eu3+ co-doping luminescent glass was obtained. The presence of Dy3+→Eu3+ energy transfer in the glass was demonstrated by emission spectra and fluorescence decay curve analyses. At the excitation of 384 nm, better white color emitting was noticed in 38.85B2O3-25Bi2O3-5BaO-30ZnO glass doped with Dy2O3 doping concentration of 0.75 mol% and doped with 0.4 mol% Eu2O3 with a CIE of (0.3306, 0.342), and the glass has an ΔE of 0.221 eV, which suggests that the synthesis glass has the prospective to be applied in white light solid-state lighting. In addition, the Dy3+-Eu3+ co-doped B2O3-Bi2O3-BaO-ZnO glass could achieve tunable emission moving from cooling white to heating white to an orange-red light under 390 nm excitation. The adjustable range of the glass's CCT values has been expanded, allowing for arbitrary tuning between approximately 2004 K to 6380 K, which adapts to different application fields.

White (mutation)

10.2139/ssrn.4852847

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