2018 LSBE
2018 LSBE
November 27-29, 2018 Osaka, Japan

Keynote Speaker
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Dr. Kwun Nam Hui Institute of Applied Physics and Materials Engineering University of Macau
Introduction of Dr. Kwun Nam HUI
Dr. Kwun Nam Hui is an Associate Professor at the Institute of Applied Physics and Materials Engineering, University of Macau, Macau SAR, China. Prior to this, he was Associate Professor at Pusan National University, Republic of Korea. His current research focuses on synthesis of hierarchical carbon/graphene materials as well as on development of 3D hierarchical layered double hydroxide materials as advanced electrode materials for energy storage and conversion applications. He published more than 110 journal articles with a citation of over 2000 times and an h-index of 29. He has managed 15 research projects with a total research grant of MOP 11 million. His research has led to one US patent, eleven Korea patents, one China patent, five review papers, and three book chapters.
Topic:Nanostructured Metal Oxide Materials for Energy Storage
Abstract
With the rapid development of electronic technology, wearable and flexible devices such as roll-up displays, biomedical sensors, and wearable devices, have drawn considerable attention. Developing high energy density flexible supercapacitors (FSCs) hold the promise to provide a safe, fast charge/discharge rate, and long-life flexible energy storage devices. To date, electrodes of high-performance FSCs are mainly composed of carbonaceous materials such as carbon nanotube (CNT), graphene and CNT/graphene hybrid due to their distinct properties of high conductivity and mechanical flexibility. However, the CNT/graphene-based electric double-layer capacitor possesses low specific capacitance due to its intrinsic double-layer charge storage mechanism, which relies on the electrostatic attraction of electrolyte ions and charges at the electrode surface. Accordingly, hybridizing pseudocapacitive metal oxide materials with carbon-based materials such as CNT and graphene has become an appealing strategy in increasing the specific capacitance and energy density of film electrodes. In this talk, the speaker will present his recent work in the development and application of nanostructured metal oxide electrode for high-performance flexible supercapacitors. Several strategies, including the morphology control, core/shell architecture, and defect engineering, will be discussed to improve the electron transports, electrolyte ions diffusion kinetics, and electrical conductivity of metal oxide electrodes.
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