Xian Jian

University of Electronic Science and Technology of China

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Yifan Liu

University of Electronic Science and Technology of China

Nasir Mahmood

RMIT University

Weiqiang Lv

University of Electronic Science and Technology of China

Liangjun Yin

University of Electronic Science and Technology of China

Chunhong Mu

University of Electronic Science and Technology of China

Rashad Ali

University of Electronic Science and Technology of China

Gaolong Zhu

Sichuan Research Center of New Materials

Jie Xiong

Xiangtan University

Weidong He

Harbin Institute of Technology

Shi Xue Dou

University of Wollongong

Cooperative Institutions

University of Electronic Science and Technology of China

Chengdu University

Chinese Academy of Sciences

National Engineering Research Center of Electromagnetic Radiation Control Materials

Huzhou University

Harbin Institute of Technology

Sichuan University

Shenzhen University

University of Sydney

Xi'an Jiaotong University

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Large-scale preparation of 2D VSe2 through a defect-engineering approach for efficient hydrogen evolution reaction

Chemical Engineering Journal (2021)

Jianan Fu Rashad Ali Chunhong Mu Yifan Liu Nasir Mahmood

Overpotential

Inert

Atomic units

10.1016/j.cej.2021.128494

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Citations (44)

Graphene-Decorated Boron–Carbon–Nitride-Based Metal-Free Catalysts for an Enhanced Hydrogen Evolution Reaction

ACS Applied Energy Materials (2021)

Yifan Liu Rashad Ali Jun Ma Jiao Wei Liangjun Yin

The hydrogen evolution reaction (HER) is an emerging renewable energy source to derive clean, efficient, and high-energy-density hydrogen fuel from electrochemical water splitting mostly by using traditional noble-metal-based catalysts. However, their scarcity has led to the emergence of carbon-based materials which are exceptionally promising alternatives for the HER. Herein, graphene capsules-decorated boron–carbon–nitride sheets are developed by pyrolyzing a mixture of pyridine borane and custom-made GCs. The 3D hollow GCs effectively increase the surface area to supplement more exposed active sites for the hydrogen adsorption/desorption reaction. The carbon-rich ternary hybrid structure favors adjusting the electrical conductivity, which provides better HER catalytic performances (overpotential of 333 mV at 10 mA cm–2) in acidic conditions. The long-term stability for 24 h and the simplest designing technique propose an effective metal-free electrocatalyst for commercial applications in the renewable energy field.

Overpotential

Carbon fibers

10.1021/acsaem.1c00238

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Citations (26)

In-plane heterostructures of transition metal dichalcogenide monolayers with enhanced charge separation and effective overall water splitting

International Journal of Hydrogen Energy (2024)

Shafiq Ur Rehman Qihui Sun Junwei Wang Weiqiang Lv Azim Khan

10.1016/j.ijhydene.2024.07.171

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Citations (1)

Metallic Powder Synthesized by Ultrasound-Assisted Electrical Discharge: Parametric Optimization-Based iSIGHT Platform and Feasible Micro-fabrication Sintering

JOM (2023)

Yifan Liu Guilu Qin Jian Wang Liangjun Yin Xian Jian

10.1007/s11837-023-05960-x

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Citations (0)

Plasma-induced FeSiAl@Al2O3@SiO2 core–shell structure for exceptional microwave absorption and anti-oxidation at high temperature

Chemical Engineering Journal (2019)

Yang Guo Xian Jian Li Zhang Chunhong Mu Liangjun Yin

Reflection loss

10.1016/j.cej.2019.123371

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Citations (209)

Porous Hollow Carbon Alkali-Activated Nanoonions As a Conductive Additive for High-Rate Lithium Primary Batteries

ACS Applied Energy Materials (2024)

Guilu Qin Yifan Liu Jiacheng He Nengkun Wang Junwei Wang

Carbon fibers

Primary (astronomy)

10.1021/acsaem.4c01531

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Citations (2)

An Upgraded Lithium Ion Battery Based on a Polymeric Separator Incorporated with Anode Active Materials

Advanced Energy Materials (2019)

Dongjiang Chen Ziqi Zhou Chao Feng Weiqiang Lv Zhaohuan Wei

Abstract Structural/compositional characteristics at the anode/electrolyte interface are of paramount importance for the practical performance of lithium ion batteries, including cyclic stability, rate capacity, and operational safety. The anode‐electrolyte interface with traditional separator technology is featured with inevitable phase discontinuity and fails to support the stable operation of lithium ion batteries based on large‐capacity anodes with structural change in charges/discharges, such as transition metal oxide anodes. In this work, an anode/electrolyte framework based on an oxide anode and an active‐oxide‐incorporated separator is proposed for the first time and investigated for lithium ion batteries. The architecture builds a robust anode‐separator interface in LIBs, shortens Li + diffusion path, accelerates electron transport, and mitigates the volume change of the oxide anode in electrochemical reactions. Remarkably, 4 wt% CuO addition in the separator leads to a 17% enhancement in the overall capacity of a battery with a CuO anode. The battery delivers an unparalleled record reversible capacity of 637.2 mAh g −1 with a 99% capacity retention after 100 charge/discharge cycles at 0.5 C. The high performance are attributed to the robust anode‐separator interface, which gives rise to enhanced interaction between the oxide anode and the same‐oxide‐incorporated composite in the separator.

Separator (oil production)

10.1002/aenm.201803627

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Citations (68)

High-purity Cu nanocrystal synthesis by a dynamic decomposition method

Nanoscale Research Letters (2014)

Xian Jian Yu Cao Guozhang Chen Chao Wang Hui Tang

Cu nanocrystals are applied extensively in several fields, particularly in the microelectron, sensor, and catalysis. The catalytic behavior of Cu nanocrystals depends mainly on the structure and particle size. In this work, formation of high-purity Cu nanocrystals is studied using a common chemical vapor deposition precursor of cupric tartrate. This process is investigated through a combined experimental and computational approach. The decomposition kinetics is researched via differential scanning calorimetry and thermogravimetric analysis using Flynn-Wall-Ozawa, Kissinger, and Starink methods. The growth was found to be influenced by the factors of reaction temperature, protective gas, and time. And microstructural and thermal characterizations were performed by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and differential scanning calorimetry. Decomposition of cupric tartrate at different temperatures was simulated by density functional theory calculations under the generalized gradient approximation. High crystalline Cu nanocrystals without floccules were obtained from thermal decomposition of cupric tartrate at 271°C for 8 h under Ar. This general approach paves a way to controllable synthesis of Cu nanocrystals with high purity.

Thermogravimetric analysis

Tartrate

10.1186/1556-276x-9-689

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Citations (9)

A highly-efficient route to three-dimensional nanoporous copper leaves with high surface enhanced Raman scattering properties

Chemical Engineering Journal (2017)

Gaofeng Rao Xian Jian Weiqiang Lv Gaolong Zhu Jie Xiong

Nanoporous

Photocathode

10.1016/j.cej.2017.03.140

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