ORCID Profile
0000-0002-6181-2155
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Publisher: Wiley
Date: 08-10-2018
Abstract: The development of 1D nanostructures with enhanced material properties has been an attractive endeavor for applications in energy and environmental fields, but it remains a major research challenge. Herein, this work demonstrates a simple, gel-derived method to synthesize uniform 1D elongated sub-nanotubes with an anatase/bronze TiO
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5NR03334A
Abstract: Uniform transition metal sulfide deposition on a smooth TiO2 surface to form a coating structure is a well-known challenge, caused mainly due to their poor affinities. Herein, we report a facile strategy for fabricating mesoporous 3D few-layered (<4 layers) MoS2 coated TiO2 nanosheet core-shell nanocomposites (denoted as 3D FL-MoS2@TiO2) by a novel two-step method using a smooth TiO2 nanosheet as a template and glucose as a binder. The core-shell structure has been systematically examined and corroborated by transmission electron microscopy, scanning transmission electron microscopy, and X-ray photoelectron spectroscopy analyses. It is found that the resultant 3D FL-MoS2@TiO2 as a lithium-ion battery anode delivers an outstanding high-rate capability with an excellent cycling performance, relating to the unique structure of 3D FL-MoS2@TiO2. The 3D uniform coverage of few-layered (<4 layers) MoS2 onto the TiO2 can remarkably enhance the structure stability and effectively shortens the transfer paths of both lithium ions and electrons, while the strong synergistic effect between MoS2 and TiO2 can significantly facilitate the transport of ions and electrons across the interfaces, especially in the high-rate charge-discharge process. Moreover, the facile fabrication strategy can be easily extended to design other oxide/carbon-sulfide/oxide core-shell materials for extensive applications.
Publisher: American Chemical Society (ACS)
Date: 11-02-2022
DOI: 10.1021/JACS.1C12096
Abstract: Two-dimensional transition metal dichalcogenides (TMDCs) show great potential as efficient catalysts for Li-CO
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9EE03549D
Abstract: This review provides enriched information for understanding the charge storage mechanisms of transition metal dichalcogenides (TMDs), as well as the importance of intrinsic structure engineering for enhancing the performance of TMDs in energy storage.
Publisher: Elsevier BV
Date: 12-2019
Publisher: Elsevier BV
Date: 09-2016
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D2TA04879E
Abstract: The mechanism of defect-activated rapid surface reconstruction of NiFe phosphide through in situ Raman monitoring during the OER process.
Publisher: Wiley
Date: 20-09-2023
Publisher: Elsevier BV
Date: 05-2022
Publisher: Elsevier BV
Date: 07-2022
Publisher: Elsevier BV
Date: 03-2023
Publisher: Elsevier BV
Date: 06-2023
Publisher: Elsevier BV
Date: 02-2024
Publisher: Elsevier BV
Date: 04-2017
Publisher: Wiley
Date: 20-01-2022
Abstract: Magnesium batteries present high volumetric energy density and dendrite‐free deposition of Mg, drawing wide attention in energy‐storage devices. However, their further development remains stagnated due to relevant interfacial issues between the Mg anode and the electrolyte and sluggish solid‐state diffusion kinetics of Mg 2+ ions. Herein, an in situ conversion chemistry to construct a nanostructured Bi anode from bismuth selenide driven by Li + is proposed. Through the combination of operando synchrotron X‐ray diffraction, ex situ synchrotron X‐ray absorption spectroscopy, and comprehensive electrochemical tests, it is demonstrated that the nanosize of the in‐situ‐formed Bi crystals contributes to the fast Mg 2+ diffusion kinetics and highly efficient Mg–Bi alloingy/de‐alloying. The resultant Bi anodes exhibit superior long‐term cycling stability with over 600 cycles under a high current density of 1.0 A g ‐1 . This work provides a new approach to construct alloy anode and paves the way for exploring novel electrode materials for magnesium batteries.
Publisher: Wiley
Date: 22-10-2021
Abstract: Next‐generation batteries based on conversion reactions, including aqueous metal–air batteries, nonaqueous alkali metal‐O 2 and ‐CO 2 batteries, alkali metal‐chalcogen batteries, and alkali metal‐ion batteries have attracted great interest. However, their use is restricted by inefficient reversible conversion of active agents. Developing bifunctional catalysts to accelerate the conversion reaction kinetics in both discharge and charge processes is urgently needed. Graphene‐, or graphene‐like carbon‐supported atomically dispersed metal catalysts (G‐ADMCs) have been demonstrated to show excellent activity in various electrocatalytic reactions, making them promising candidates. Different from G‐ADMCs for catalysis, which only require high activity in one direction, G‐ADMCs for rechargeable batteries should provide high activity in both discharging and charging. This review provides guidance for the design and fabrication of bifunctional G‐ADMCs for next‐generation rechargeable batteries based on conversion reactions. The key challenges that prevent their reversible conversion, the origin of the activity of bifunctional G‐ADMCs, and the current design principles of bifunctional G‐ADMCs for highly reversible conversion, have been analyzed and highlighted for each conversion‐type battery. Finally, a summary and outlook on the development of bifunctional G‐ADMC materials for next‐generation batteries with a high energy density and excellent energy efficiency are given.
Publisher: Elsevier BV
Date: 05-2018
Publisher: Elsevier BV
Date: 06-2019
Publisher: American Chemical Society (ACS)
Date: 31-07-2023
Publisher: American Chemical Society (ACS)
Date: 25-05-2021
Publisher: American Chemical Society (ACS)
Date: 30-09-2021
Publisher: Springer Science and Business Media LLC
Date: 25-11-2023
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9TA07652B
Abstract: Cu-Doped Co 2 P nanoparticles anchored on 2D heteroatom-doped ultrathin carbon exhibit excellent oxygen reduction reaction performance in flexible solid state zinc–air batteries.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0TA02683B
Abstract: Controllable atomic engineering of N into 1T′-phase ReS 2 regulates the electronic structure and leads to enhanced alkaline hydrogen evolution.
Publisher: Elsevier BV
Date: 2021
Publisher: Elsevier BV
Date: 05-2023
Publisher: Wiley
Date: 25-03-2023
Publisher: Elsevier BV
Date: 2020
Publisher: Wiley
Date: 06-06-2023
Publisher: American Chemical Society (ACS)
Date: 17-12-2022
Abstract: The lack of low-cost catalysts with high activity leads to the unsatisfactory electrochemical performance of Li-CO
Publisher: American Chemical Society (ACS)
Date: 03-10-2023
DOI: 10.1021/JACS.3C07213
Publisher: American Chemical Society (ACS)
Date: 03-01-2020
DOI: 10.1021/JACS.9B11774
Abstract: Lean-electrolyte conditions are highly pursued for practical lithium (Li) metal batteries. The previous studies on the Li metal anodes, in general, exhibited good stability with a large excess of electrolyte. However, the targeted design of Li hosts under relatively low electrolyte conditions has been rarely studied so far. Herein, we have shown that electrolyte consumption severely affects the cycling stability of Li metal anode. Considering carbon hosts as typical ex les, we innovatively employed in situ synchrotron X-ray diffraction, in situ Raman spectroscopy, and theoretical computations to obtain a better understanding of the Li nucleation/deposition processes. We also showed the usefulness of in situ electrochemical impedance spectra to analyze interfacial fluctuation at the Li/electrolyte interface, together with nuclear magnetic resonance data to quantify electrolyte consumption. We have found that uneven Li nucleation/deposition and the crack of surface-area-derived solid-electrolyte interface (SEI) layer both lead to a great consumption of electrolyte. Then, we suggested a design principle for Li host to overcome the electrolyte loss, that is, uneven growth of the Li structure and the crack of the SEI layer must be simultaneously controlled. As a proof of concept, we demonstrated the usefulness of a 3D low-surface-area defective graphene host (L-DG) to control Li nucleation/deposition and stabilize the SEI layer, contributing to a highly reversible Li plating/stripping. As a result, such a Li host can achieve stable cycles (e.g., 1.0 mAh cm
Publisher: Elsevier BV
Date: 11-2017
Publisher: Wiley
Date: 18-02-2021
Publisher: Elsevier BV
Date: 04-2020
Publisher: Wiley
Date: 05-01-2022
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C7NR07366F
Abstract: In this review, we first summarize the recent progress in MoS 2 /TiO 2 -based nanomaterials for applications in photocatalysis and rechargeable batteries.
Publisher: Elsevier BV
Date: 03-2023
Publisher: Elsevier BV
Date: 08-2023
Publisher: Elsevier BV
Date: 11-2023
Publisher: Springer Science and Business Media LLC
Date: 29-09-2021
DOI: 10.1038/S41467-021-26056-7
Abstract: Sulfur is an important electrode material in metal−sulfur batteries. It is usually coupled with metal anodes and undergoes electrochemical reduction to form metal sulfides. Herein, we demonstrate, for the first time, the reversible sulfur oxidation process in AlCl 3 /carbamide ionic liquid, where sulfur is electrochemically oxidized by AlCl 4 − to form AlSCl 7 . The sulfur oxidation is: 1) highly reversible with an efficiency of ~94% and 2) workable within a wide range of high potentials. As a result, the Al−S battery based on sulfur oxidation can be cycled steadily around ~1.8 V, which is the highest operation voltage in Al−S batteries. The study of sulfur oxidation process benefits the understanding of sulfur chemistry and provides a valuable inspiration for the design of other high-voltage metal−sulfur batteries, not limited to Al−S configurations.
Publisher: Elsevier BV
Date: 03-2017
Publisher: Elsevier BV
Date: 08-2016
Publisher: Wiley
Date: 07-07-2019
Publisher: American Chemical Society (ACS)
Date: 02-10-2023
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D2EE01820A
Abstract: The quasi-intercalation reaction mechanism in solid-state Li–SPAN batteries leads to fast reaction kinetics and small volume change.
Publisher: Wiley
Date: 12-02-2018
Publisher: Royal Society of Chemistry (RSC)
Date: 2023
DOI: 10.1039/D3CS00445G
Publisher: Proceedings of the National Academy of Sciences
Date: 30-01-2023
Publisher: Royal Society of Chemistry (RSC)
Date: 2023
DOI: 10.1039/D2TA09278F
Abstract: In this review, we focus on the systematic construction of the data-driven electrocatalyst design framework and discuss its principles, current challenges, and opportunities.
Publisher: American Chemical Society (ACS)
Date: 09-06-2022
DOI: 10.1021/ACS.NANOLETT.2C01779
Abstract: The sluggish redox kinetics of sulfur and the uncontrollable growth of lithium dendrites are two main challenges that impede the practical applications of lithium-sulfur (Li-S) batteries. In this study, a multifunctional host with vacancy-rich MoSSe vertically grown on reduced graphene oxide aerogels (MoSSe/rGO) is designed as the host material for both sulfur and lithium. The embedding of Se into a MoS
Publisher: Elsevier BV
Date: 03-2020
Publisher: American Chemical Society (ACS)
Date: 06-06-2019
Abstract: Recently, loading TiO
Publisher: American Chemical Society (ACS)
Date: 20-01-2016
Abstract: High-quality microsized ultrathin single-crystalline anatase TiO2 nanosheets (MS-TiO2) with exposed {001} facets were synthesized by a facile and low-cost two-step process that combines a graphene oxide (GO)-assisted hydrothermal method with calcination. Both GO and HF play an important role in the formation of well dispersed MS-TiO2. As a novel microsized (1-4 μm) ultrathin two-dimensional (2D) material, MS-TiO2 possesses much higher lateral size and aspect ratio compared to common 2D nanosized (30-60 nm) ultrathin TiO2 nanosheets (NS-TiO2), resulting in excellent electronic conductivity and superior electron transfer and diffusion properties. Here, we fabricated MS-TiO2 and NS-TiO2, both of which were incorporated with the TiO2 nanoparticles (P25) to constitute the hybrid photoanode of dye-sensitized solar cells (DSSCs), and explored the effect of the lateral size (nano- and micro-) of ultrathin TiO2 nanosheets on their electron transfer and diffusion properties. Benefiting from the faster electron transfer rate and short diffusion path of the MS-TiO2, the MS-TiO2/P25 gains the more superior performance compared to pure P25 and NS-TiO2/P25 in the application of DSSCs. Moreover, it is expected that the novel high aspect ratio MS-TiO2 may be applied in erse fields including photocatalysis, photodetectors, lithium-ion batteries and others concerning the environment and energy.
Publisher: Elsevier BV
Date: 06-2022
Publisher: Elsevier BV
Date: 02-2023
Publisher: Wiley
Date: 17-09-2020
Publisher: American Chemical Society (ACS)
Date: 20-03-2020
Publisher: Wiley
Date: 03-08-2022
No related grants have been discovered for biao chen.