K. H. (Koko) LAM Research group

08 Oct 2018

Congrats for the collaborative work "Defect-engineered reduced graphene oxide sheets with high electric conductivity and controlled thermal conductivity for soft and flexible wearable thermoelectric generators" being accepted for publication in Nano Energy!!


07 Oct 2018

Congrats for the collaborative work "Preparation and characterization of composites based on poly(vinylidene fluoride-co-chlorotrifluoroethylene) and carbon nanofillers: a comparative study of exfoliated graphite nanoplates and multi-walled carbon nanotubes" being accepted for publication in Journal of Materials Science!!


04 Sep 2018

Congrats to Lu!! The manuscript “In situ growth of amorphous Fe2O3 on 3D interconnected nitrogen-doped carbon nanofibers as high-performance anode materials for sodium-ion batteries" is accepted for publication in Chemical Engineering Journal!!


01 Sep 2018

Congrats for the collaborative work "Double-coated Si-based composite composed with carbon layer and graphene sheets with void spaces for lithium-ion batteries" being accepted for publication in Electrochimica Acta!!


31 Aug 2018

Congrats for the collaborative work "An eco-friendly microorganism method to activate biomass for cathode materials for high performance lithium-sulfur batteries" being accepted for publication in Energy & Fuels!!


28 Aug 2018

A project for Innovation and Technology Fund "Development of Novel Dual-modality Catheter Technology for Intravascular Photoacoustic/Ultrasound Imaging" is granted by Innovation and Technology Commission!!


25 Aug 2018

A project for National Key Research and Development Program of China (国家重点研发计划“数字诊疗装备”专项项目) "High-resolution, high-speed, intelligent cardiac interventional intravascular ultrasound imaging system" is granted by Ministry of Science and Technology!!


25 May 2018

Congrats to Ying!! The manuscript "Effect of carbonate precipitant on the microstructure and electrochemical properties of LiNi0.5Mn1.5O4 cathodes" is accepted for publication in Journal of The Electrochemical Society!!


18 May 2018

Congrats to Kai Sum, King Hei and Man Fai for winning Best Final Year Project Award in “Electric Vehicle Technologies” sponsored by H.K.L.H.D Motors Association Limited!!


09 May 2018

Congrats for the collaborative work "Sputtered titanium nitride films on titanium foam substrates as electrodes for high-power electrochemical capacitors" being accepted for publication in ChemElectroChem!!


03 May 2018

Congrats to Ying on her transfer to the Ph.D. program!!


17 Apr 2018

Congrats for the collaborative work "Excellent rate capability and cycling stability in Li+-conductive Li2SnO3-coated LiNi0.5Mn1.5O4 cathode materials for lithium-ion batteries" being accepted for publication in Dalton Transactions!!


15 Apr 2018

Congrats for the collaborative work "Enhancement in electroactive crystalline phase and dielectric performance of novel PEG-graphene/PVDF composites" being accepted for publication in Applied Surface Science!!


09 Feb 2018

Welcome Mr. Zhiming GENG joining the group!!


05 Feb 2018

Congrats for the collaborative work "Preparation and dielectric properties of novel composites based on oxidized styrene-butadiene-styrene copolymer and polyaniline modified exfoliated graphite nanoplates" being accepted for publication in Applied Surface Science!!


27 Dec 2017

Congrats for the collaborative work "Phase coexistence and large piezoelectricity in BaTiO3–CaSnO3 lead-free ceramics" being accepted for publication in Journal of the American Ceramic Society!!


04 Dec 2017

K.H. Lam gives an invited talk in International Conference on Biomedical Ultrasound 2017 at Hong Kong.


16 Nov 2017

Congrats to Baojun!! The manuscript "Preparation of ZnS@In2S3 core@shell composite for enhanced photocatalytic degradation of gaseous o-Dichlorobenzene under visible light" is accepted for publication in Scientific Reports!!


06 Nov 2017

K.H. Lam gives an invited talk in The Tenth International Conference on High-performance Ceramics at China.


01 Nov 2017

Congrats for the collaborative work "Preparation and dielectric properties of composites based on PVDF and PVDF-grafted graphene obtained from electrospinning-hot pressing method" being accepted for publication in Journal of Macromolecular Science, Part A: Pure and Applied Chemistry!!


31 Oct 2017

Congrats for the collaborative work "The thermoelectric analysis of different heat flux conduction materials for power generation board" being accepted for publication in Energies!!


15 Oct 2017

Congrats for the collaborative work "A portable ultrasound system for non-invasive ultrasonic neuro-stimulation" being accepted for publication in Transactions on Neural Systems & Rehabilitation Engineering!!


22 Sep 2017

Congrats for the collaborative work "Self-assembled porous NiFe2O4 floral microspheres inlaid on ultrathin flake graphite as anode materials for lithium ion batteries" being accepted for publication in ChemElectroChem!!


14 Sep 2017

Congrats for the collaborative work "Coexistence of three ferroelectric phases and enhanced piezoelectric properties in BaTiO3–CaHfO3 lead-free ceramics" being accepted for publication in Journal of the European Ceramic Society!!


8 Sep 2017

A project for Innovation and Technology Fund "High-frequency phase array medical ultrasound transducer for eye imaging" is granted by Innovation and Technology Commission!!


7 Aug 2017

Congrats for the collaborative work "Fluoride source-induced tuning of morphology and optical properties of YF3:Eu3+, Bi3+ and its application for luminescent inks" being accepted for publication in Crystal Growth & Growth!!


4 Aug 2017

Congrats to Lu!! The manuscript "Enhanced performance of lithium-sulfur batteries with high sulfur loading utilizing ion selective MWCNT/SPANI modified separator" is accepted for publication in Chemical Engineering Journal!!


31 Jul 2017

Congrats to IEEE JC PIPI for receiving the Best Chapter Award from IEEE IES!!


30 Jun 2017

Welcome Dr. Lu SHI joining the group!!


27 Jun 2017

A project for The Scientific and Technological Plan of Guangdong Province (广东省科学技术厅广东省前沿与关键技术创新专项资金项目(粤港联合创新领域)) "Development of High-power Ultrasonic Welding System for Battery Packaging" is granted by Guangdong Science and Technology Department!!


27 Jun 2017

Congrats to Changan!! The manuscript "Giant room temperature multiferroicity and domain structures in hot-press sintered Bi0.85Sm0.15Fe0.97Sc0.03O3 ceramics" is accepted for publication in Ceramics International!!


20 Jun 2017

Congrats for the collaborative work "An adjustable multi-scale single beam acoustic tweezer based on ultrahigh frequency ultrasonic transducer" being accepted for publication in Biotechnology and Bioengineering!!


29 May 2017

Congrats for the collaborative work "Enhanced thermoelectric properties of SnSe thin films grown by pulsed laser glancing-angle deposition" being accepted for publication in Journal of Materiomics!!


27 May 2017

Congrats to Chang!! The manuscript "Chemical integration of reduced graphene oxide sheets encapsulated ZnCo2O4 quantum dots achieving excellent capacity storage for lithium-ion batteries" is accepted for publication in Electrochimica Acta!!


20 May 2017

Congrats to Yau Fun, and Heung Lam, Long Yin and Alex for winning Bronze Awards, respectively, in 2017 Hong Kong Young Genius Exhibition and Competition organized by Hong Kong Federation of Invention (HKFii), China Association of Inventions (CAI) and Hong Kong Productivity Council (HKPC)!!


18 May 2017

Congrats to Man on successfully defending his M.Phil. thesis!!


04 May 2017

K.H. Lam gives an invited talk in 2017 Conference on Piezoelectric Materials, Acoustic Devices and Their Applications at China.


22 Mar 2017

Congrats to Yue for receiving the Graduate Student offer from City University of Hong Kong!!


21 Mar 2017

Congrats to Liang!! The manuscript "High-frequency current sensor based on lead-free multiferroic BiFeO3-BaTiO3-based ceramics" is accepted for publication in Measurement!!


8 Mar 2017

Congrats for the collaborative work "A superior Li2SiO3-composited LiNi0.5Mn1.5O4 cathode for high-voltage and high-performance lithium-ion batteries" being accepted for publication in Electrochimica Acta!!


2 Mar 2017

Congrats for the collaborative work "Enhanced electrochemical performance in Ni-doped LiMn2O4-based composite cathodes for lithium-ion batteries" being accepted for publication in Chemelectrochem!!


2 Mar 2017

Congrats for the collaborative work "Field characterization of steady state focused transducers using hydrophones based on Fresnel approximation" being accepted for publication in Measurement Science and Technology!!


24 Feb 2017

K.H. Lam gives an invited talk in Department of Biomedical Engineering and Environmental Science, National Tsing Hua University at Hsinchu, Taiwan.


15 Feb 2017

Congrats to Baojun for receiving the Postdoctoral Fellowship in which The HKPolyU Postdoctoral Fellowships Scheme "Development of a Spinel Zinc Ferrite/Enzyme Coupling Biomimetic System for Photocatalytic Reduction of CO2" is granted by The HKPolyU!!


16 Jan 2017

Welcome Dr. Baojun LIU joining the group!!


7 Dec 2016

Congrats for the collaborative work "Strong piezoelectricity and multiferroicity in BiFeO3–BaTiO3–NdCoO3 lead-free piezoelectric ceramics with high Curie temperature for current sensing application" being accepted for publication in Journal of Materials Science: Materials in Electronics!!


3 Dec 2016

Congrats for the collaborative work "Preparation of novel xGNPs/SBS composites with enhanced dielectric constant and thermal conductivity" being accepted for publication in Advances in Polymer Technology!!


2 Nov 2016

Congrats for the collaborative work "Multifunctional single beam acoustic tweezer for non-invasive cell/organism manipulation and tissue imaging" being accepted for publication in Scientific Reports!!


30 Oct 2016

Congrats for the collaborative work "Preparation of organosilicate/PVDF composites with enhanced piezoelectricity and pyroelectricity by stretching" being accepted for publication in Composites Science and Technology!!


27 Oct 2016

Congrats for the collaborative work "Facile spray drying synthesis of porous structured ZnFe2O4 as high-performance anode material for lithium-ion batteries" being accepted for publication in Journal of Materials Science: Materials in Electronics!!


17 Oct 2016

Congrats for the collaborative work "Facile synthesis of hierarchical CoMn2O4 microspheres with porous and micro-/nanostructural morphology as anode electrodes for lithium-ion batteries" being accepted for publication in Electronic Materials Letters!!


07 Oct 2016

Congrats for the collaborative work "Performance and mechanism research of hierarchically structured Li-rich cathode materials for advanced lithium–ion batteries" being accepted for publication in Journal of Materials Science: Materials in Electronics!!


3 Oct 2016

Welcome Miss Yue LIU and Mr. Chang CHEN joining the group!!


16 Sep 2016

Congrats for the collaborative work "3-Dimensional cuboid structured ZnFe2O4@C nano-whiskers as anode materials for lithium-ion batteries based on the in situ graft polymerization method" being accepted for publication in RSC Advances!!


11 Sep 2016

Congrats to Man!! The manuscript "Development of a 20-MHz Wide-Bandwidth PMN-PT Single Crystal Phased-Array Ultrasound Transducer" is accepted for publication in Ultrasonics!!


08 Aug 2016

Congrats for the collaborative work "Electrochemical properties of core–shell nano-Si@carbon composites as superior anode materials for high-performance Li-ion batteries" being accepted for publication in Journal of Materials Science: Materials in Electronics!!


03 Aug 2016

K.H. Lam gives an invited talk in Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences at Shenzhen, China.


26 Jul 2016

Congrats for the collaborative work "Phase structure and electrochemical performance of layered-spinel integrated LiNi0.5Mn0.5O2-LiMn1.9Al0.1O4 composite cathodes for lithium ion batteries" being accepted for publication in Ceramics International!!


14 Jul 2016

Congrats to Changan for receiving the Graduate Students Scholarship from The China Scholarship Council!!


28 Jun 2016

Congrats for the collaborative work "The design and synthesis of polyhedral Ti-doped Co3O4 with enhanced lithium-storage properties for Li-ion batteries" being accepted for publication in Journal of Materials Science: Materials in Electronics!!


15 Jun 2016

Congrats for the collaborative work "Enhanced Damping for Bridge Cables Using Self-sensing MR Damper" being accepted for publication in Smart Materials and Structures!!


6 Jun 2016

Congrats to Rui on being accepted to the graduate program at the University of California, San Diego!!


31 May 2016

Welcome Mr. Chun Pan NGAI joining the group!!


17 May 2016

K.H. Lam gives an invited talk in 13th Annual Ultrasonic Transducer Engineering Conference (UTEC 2016) at United States of America.


2 May 2016

Welcome Mr. Rui TANG joining the group!!


26 Apr 2016

Congrats for the collaborative work "Studies of interface characteristics of fine-grain ferroelectric based glass-ceramic composites using impedance spectroscopy" being accepted for publication in Journal of Alloys and Compounds!!


21 Mar 2016

A project for The Scientific and Technological Plan of Guangdong Province (广东省科学技术厅广东省前沿与关键技术创新专项资金项目(粤港联合创新领域)) "Development of High-performance ZnxMe1-xFe2O4@C Cathode Material for Lithium Ion Batteries" is granted by Guangdong Science and Technology Department!!


21 Mar 2016

Congrats for the collaborative work "Zn substitution NiFe2O4 nanoparticles with enhanced conductivity as high-performances electrodes for lithium ion batteries" being accepted for publication in Journal of Alloys and Compounds!!


8 Mar 2016

Congrats for the collaborative work "Synthesis of intertwined Zn0.5Mn0.5Fe2O4@CNT composites as a superior anode material for Li ion battery" being accepted for publication in Journal of Materials Science!!


7 Mar 2016

Congrats for the collaborative work "Tough and porous piezoelectric P(VDF-TrFE)/organosilicate composite membrane" being accepted for publication in High Performance Polymers!!


6 Mar 2016

K.H. Lam gives an invited talk in 2nd Annual World Congress of Smart Materials 2016 at Singapore.


29 Feb 2016

Welcome Dr. Xuming PANG joining the group!!


4 Dec 2015

A project for Research Funding Scheme for Supporting Intra-Faculty Interdisciplinary Projects "Fundamental Investigation of Ultrasonic Neuromodulation" is granted by Faculty Research Committee of The HKPolyU!!


30 Nov 2015

Congrats for the collaborative work "Polymer microsphere-assisted synthesis of lithium-rich cathode with improved electrochemical performance" being accepted for publication in Ceramics International!!


19 Nov 2015

A project for University Research Facility in Materials Characterization and Device Fabrication (UMF), HKPolyU "Novel Materials for Emerging Energy, Electronic, and Photonic Devices" is funded!!


24 Oct 2015

K.H. Lam gives a talk in the 2015 IEEE International Ultrasonics Symposium at Taipei, Taiwan.


12 Oct 2015

K.H. Lam gives an invited talk in Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences.


6 Oct 2015

Congrats for the collaborative work "Magnetic PSA-Fe3O4@C 3D mesoporous microsphere as anode for lithium ion batteries" being accepted for publication in Electrochimica Acta!!


1 Oct 2015

K.H. Lam is honoured to be a Visiting Professor at South China Normal University.


15 Sep 2015

Congrats for the collaborative work "Phase structure, piezoelectric and multiferroic properties of SmCoO3-modified BiFeO3-BaTiO3 lead-free ceramics" being accepted for publication in Journal of Electronic Materials!!


13 Sep 2015

Congrats for the collaborative work "Advanced Li-rich cathode collaborated with graphite/silicon anode for high performance Li-ion batteries in half and full cells" being accepted for publication in Electrochimica Acta!!


10 Sep 2015

Welcome Mr. Changan WANG joining the group!!


6 Sep 2015

K.H. Lam gives an invited talk in Shanghai Institute of Ceramics, Chinese Academy of Sciences.


1 Sep 2015

Welcome Mr. Wang Fai CHENG joining the group!!


30 Aug 2015

Congrats for the collaborative work "Ultrasonic scattering measurements of a live single cell at 86 MHz" being accepted for publication in The IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control!!


21 Aug 2015

Congrats to Liang on his transfer to the Ph.D. program!!


04 Aug 2015

A project for HKPolyU Postdoctoral Fellowships Scheme "Study the Mechanism of Ultrasound Induced Brain Stimulation" is funded!!


24 Jul 2015

A Large Equipment Fund "Equipment for High-temperature Thermal and Electrical Characterization" is granted by the Areas of Excellence Committee of The HKPolyU!!


02 Jul 2015

Congrats to Qi on his transfer to the Ph.D. program!!


30 Jun 2015

Congrats for the collaborative work "Regulated morphology/phase structure and enhanced fluorescence in YF3: Eu3+, Bi3+ via a facile method" being accepted for publication in CrystEngComm!!


24 Jun 2015

K.H. Lam visits the NIH Resource Center for Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering at University of Southern California as a Visiting Scholar.


5 Jun 2015

K.H. Lam gives an invited talk in Institute of Advanced Materials at South China Normal University.


7 May 2015

Congrats for the collaborative work "Critical role of Mn-ions in enhancing insulation, piezoelectricity and multiferroicity of BiFeO3-based lead-free high temperature ceramics" being accepted for publication in Journal of Materials Chemistry C!!


29 Apr 2015

K.H. Lam gives an invited talk for Medical Engineering Programme at the University of Hong Kong.


6 Apr 2015

Congrats for the collaborative work "Phase transition, piezoelectric and multiferroic properties of La(Co0.5Mn0.5)O3-modified BiFeO3-BaTiO3 lead-free ceramics" being accepted for publication in Physica Status Solidi A–Applications and Materials Science!!


26 Mar 2015

Congrats for the collaborative work "High power density NaNbO3-LiTaO3 lead-free piezoelectric transformer in radial vibration modes" being accepted for publication in Smart Materials and Structures!!


22 Mar 2015

Congrats to Ying!! The manuscript "Enhancement in multiferroic and piezoelectric properties of BiFeO3-BaTiO3-Bi0.5Na0.5TiO3 lead-free ceramics with MnO2 addition by optimizing sintering temperature and dwell time" is accepted for publication in Materials Research Bulletin!!


19 Mar 2015

A Large Equipment Fund "Microscopy, Mechanics and Reliability of Novel, Nano-scale Electrode Materials for Electrochemical Energy Storage Systems" is granted by the Areas of Excellence Committee of The HKPolyU!!


12 Jan 2015

Welcome Mr. Kai-Yin Li joining the group!!


9 Jan 2015

K.H. Lam gives an invited talk in Division of Mechanics and Acoustics at National Institute of Metrology.


2 Jan 2015

Welcome Mr. Chi-Man Wong and Mr. Qi Zhang joining the group!!


2 Jan 2015

Congrats for the collaborative work "Novel exfoliated graphite nanoplates/syndiotactic polystyrene composites prepared by solution-blending" being accepted for publication in Polymer Testing!!


27 Oct 2014

K.H. Lam gives an invited talk in the Second International Conference of Young Researchers on Advanced Materials at Hainan, China.


24 Oct 2014

Congrats for the collaborative work "Enhanced ferroelectricity, piezoelectricity, and ferromagnetism in Nd-modified BiFeO3-BaTiO3 lead-free ceramics" being accepted for publication in Journal of Applied Physics!!


8 Oct 2014

K.H. Lam is honoured with an Early Career Award.


3 Sep 2014

Congrats to Liang!! The manuscript "Fabrication and evaluation of Pb(W0.5Cu0.5)O3 modified PLZT piezoelectric ceramics" is accepted for publication in Ceramics International!!


21 Aug 2014

Congrats for the collaborative work "Improved dielectric properties for chemically functionalized exfoliated graphite nanoplates/syndiotactic polystyrene composites prepared by a solution–blending method" being accepted for publication in Carbon!!


2 Aug 2014

Congrats to Liang!! Our manuscript "LPF-doped core-shell structure based CFO/PLZT 0-3 magnetoelectric composite ceramics" is accepted for publication in Journal of Alloys and Compounds!!


21 Jul 2014

Congrats for the collaborative review work "High performance relaxor-based ferroelectric single crystals for ultrasonic transducer applications" being accepted for publication in Sensors!!


20 Jul 2014

Congrats for the collaborative work "Focused intravascular ultrasonic probe using dimpled transducer elements" being accepted for publication in Ultrasonics!!


8 Jul 2014

Congrats to Ying!! Our manuscript "Structure, ferroelectric, piezoelectric and ferromagnetic properties of BiFeO3-Bi0.5Na0.5TiO3-BaTiO3 lead-free multiferroic ceramics" is accepted for publication in Journal of the American Ceramic Society!!


30 Jun 2014

A project for Early Career Scheme "Development of a Radiation Force-calibrated Acoustic Tweezing Method for the Characterization of Biological Cell Deformation" is funded by Research Grants Council!!


9 Jun 2014

Welcome Miss. Ying Li joining the group!!


5 Jun 2014

K.H. Lam gives an invited talk in College of Chemistry and Materials Science at Sichuan Normal University.


3 Jun 2014

K.H. Lam joins the editorial board of Frontiers in Smart Materials as Review Editor.


29 May 2014

Welcome Mr. Dongliang Shi joining the group!!


30 Apr 2014

K.H. Lam gives an invited talk in Division of Biomedical Engineering at HKUST.


14 Apr 2014

Congrats for the collaborative review work "Piezoelectric single crystal ultrasonic transducers for biomedical applications" being accepted for publication in Progress in Materials Science!!


12 Mar 2014

Congrats for the collaborative work "Non-contact high-frequency ultrasound microbeam stimulation for studying mechanotransduction in human umbilical vein endothelial cells" being accepted for publication in Ultrasound in Medicine and Biology!!


6 Mar 2014

Congrats for the collaborative work "PMN-PT Single Crystal High-frequency Kerfless Phased Array" being accepted for publication in IEEE UFFC!!


24 Oct 2013

Congrats for the collaborative work "Cell Membrane Deformation Induced by a Fibronectin-Coated Polystyrene Microbead in a 200-MHz Acoustic Trap" being accepted for publication in IEEE UFFC!!


5 Aug 2013

K.H. Lam joins Department of Electrical Engineering in the HKPolyU as an Assistant Professor!!


WHAT'S NEW

K. H. (Koko) Lam - The Hong Kong Polytechnic University © All rights reserved.

Welcome


Welcome to K. H. (Koko) Lam research group home page. We are working on energy materials and their engineering applications. Our work covers research topics from materials science, devices technology, to structures and systems. Current projects mainly address energy-related materials, and ultrasonic transducer technology for biomedical applications. Please feel free to explore our site to know more about us.


If you are interested in joining the group, please click here


RESEARCH INTERESTS


  • Electrode materials for rechargeable batteries
  • Piezoelectric materials 
  • Thermoelectric materials
  • ​Sensor and actuator technologies
  • Ultrasonic transducer technology