Dr Zheng-Long Xu 徐正龍 Assistant Professor

Location EF613
Phone +852 2766 6590
mail zhenglong.xu@polyu.edu.hk
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Brief BiosketchDr. Xu is currently an Assistant Professor in the Department of Industrial and Systems Engineering at The Hong Kong Polytechnic University. Dr. Xu received his BSc degree in Materials Science and Engineering from Zhejiang University (2012) and PhD degree in Mechanical and Aerospace Engineering from Hong Kong University of Science and Technology (2016). Before joining ISE at PolyU, he worked as Postdoc/Research Fellow at HKUST, PolyU and Seoul National University. His research interest mainly lies in the design, fabricate and characterization of advanced energy materials and devices, such as rechargeable batteries. He has also established multimodalin-situcharacterizations, including electrochemical testing,in-situTEM,operandosynchrotron X-ray etc, to probe into the fundamentals in energy storage/conversion systems. His work has been published on top journals in the field includingNature Communications,Advanced Materials,Energy Environmental Science,Progress in Materials ScienceandAdvanced Energy Materials.
Research Interests Advanced energy materials and devices
In-situcharacterizations
Computational and experimental electrochemistry
Selected Journal Publications Z.L. Xu, J. Park, J. Wang, H. Moon, G. Yoon, J. Lim, Y.J. Ko, S.P. Cho, S.Y. Lee and K. Kang, A new high-voltage calcium intercalation host for ultra-stable and high-power calcium rechargeable batteries, Nat. Commun. 2021, 12:3369.
Z.L. Xu, S.J. Kim, D. Chang K.Y. Park, K.S. Dae, K. Dao, J.M. Yuk and K. Kang, Visualization of regulated nucleation and growth of lithium sulfides for high energy lithium sulfur batteries,EnergyEnvironmental Science2019, 12: 3144.
Z.L. Xu, S. Lin, N. Onofrio, L. Zhou, F. Shi, W. Lu, K. Kang, Q. Zhang and S. P. Lau, Exceptional catalytic effects of black phosphorus quantum dots in shuttling-free lithium sulfur batteries,Nature Communications2018, 9: 4164.
Z.L. Xu, G. Yoon, K.Y. Park. H. Park, O. Tamwattana, S.J. Kim, W.M. Seong and K. Kang, Tailoring sodium intercalation in graphite for high energy and power sodium ion batteries,Nature Communications2019,10: 2598.
J. Park,†Z.L. Xu,† G. Yoon,† S.K. Park, J. Wang, H. Hyun, H. Park, J. Lim, Y.J. Ko and K. Kang, Stable and High power calcium ion batteries enabled by calcium intercalation in graphite,Advanced Materials2019, 1904411. (first co-authored)
Z.L. Xu, J.Q. Huang, W.G. Chong, X. Qin, X. Wang, L. Zhou, J.K. Kim,In-situTEM study of volume expansion in porous carbon nanofiber/sulfur cathodes with exceptional high-rate performance,Advanced Energy Materials2017, 7(9):1602078.
Z.L. Xu, K. Lim, K.Y. Park, G. Yoon, W.M. Seong and K. Kang, Engineering solid electrolyte interphase for pseudocapacitive anatase TiO2anodes in sodium ion batteries,Advanced Functional Materials2018, 1802099.
Z.L. Xu, X. Liu, Y. Luo, L. Zhou and J.K. Kim, Nanosilicon anodes for high performance rechargeable batteries,Progress in Materials Science2017, 90:1-44.
Z.L. Xu, J.K. Kim, Kang, Carbon nanomaterials for advanced lithium sulfur batteries,Nano Today2018, 19:84-107.
Z.L. Xu, B. Zhang and J.K. Kim, Electrospun carbon nanofiber anodes containing monodispersed Si nanoparticles and graphene oxide with exceptional high rate capacities,Nano Energy2014, 6: 27-35.
Z.L. Xu, S. Yao, J. Cui and J.K. Kim, Atomic scale, amorphous FeOx/carbon nanofiber anodes for Li-ion and Na-ion batteries,Energy Storage Mater. 2017, 8:10-19.
Z.L. Xu, K. Cao, S. Abouali, M. Akbari Garakani, J. Huang, J. Q. Huang, E. Kamali Heidari, H. Wang and J.K. Kim, Study of lithiation mechanisms of high-performance carbon-coated Si anodes byin-situmicroscopy,Energy Storage Materials2016, 3: 45-54.
Z.L. Xu, B. Zhang, Y. Gang, K. Cao, M. A. Garakani, S. Abouali, J. Huang, J. Huang, E. Kamali Heidari, H. Wang, J.K. Kim,In-situTEM examination and exceptional long-term cyclic stability of ultrafine Fe3O4nanocrystal/carbon nanofiber composite electrodes,Energy Storage Mater.2015, 1: 27-34.
Community Service Member of Electrochemical Society (2017-)
Member of Materials Research Society (2018-)