Archive

Developments on Hybrid Solar Cells Based on Solution-Processed Sb-Related Light Absorbers

Abstract Sb-related chalcogenides, such as Sb2S3, Sb2Se3, and Sb2(S,Se)3, are of particular interest as light absorbers for solar cells because of their excellent optical properties including easily tunable band-gaps by adjustable composition, high molar extinction coefficients, and large intrinsic dipole […]

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Smart Binder Designs for Silicon Anodes Using Supramolecular Chemistry

Abstract Polymeric binder has turned out to be very critical for stable operation of high capacity silicon (Si) anodes, as the binder could stabilize the electrode films even during the large volume change of Si. In this talk, I will […]

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Understanding the Anomalously High Capacity of Electrode Materials for Next Generation Li Batteries

Abstract Recently, various novel mesoporous metal oxides have been widely investigated as electrode materials for LIBs. These studies have opened up a possibility for the development of anode materials with significantly improved Li-storage performance. The mesostructure can be readily designed […]

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Sustainable Approaches toward Electrochemical Energy Storage

Abstract Environmentally friendly materials and processes are needed for the sustainable development of batteries [1]. The efforts on going at HIU are briefly presented. The aqueous processing of lithium-ion battery (LIB) electrodes has the potential to notably decrease the battery […]

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Practical Aspects of Small Scale Fuel Cells and Rechargeable Batteries

Abstract On the global demands of high power, high electrochemical energy storage and conversion technologies, efforts of developing commercially-viable fuel cells (FC) greatly prevailed for several decades. However, during the recent 10 years or so, the FC developers one by […]

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Form Factor-Free, Printed Flexible Batteries

Abstract Forthcoming wearable/flexible electronics with compelling shape diversity and mobile usability have garnered significant attention as a kind of disruptive technology to drastically change our daily lives. From a power source point of view, conventional rechargeable batteries (represented by lithium-ion […]

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New Materials and Strategies on Future Energy Storages

Abstract In the lecture, new materials and Strategies on energy storages will be surveyed and especially on regarding material development for future lithium batteries. Lithium ion batteries (LIBs) are one of the most promising storage devices because of their high […]

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Polymer-based Microelectrodes for Brain, Neural and Retinal Applications

Abstract This presentation will introduce penetrating-type and surface-type neural microelectrodes for neural signal recording or stimulation at various sites, such as brain, peripheral nerves, and retina. We developed MEMS-based microelectrodes to acquire neural signals from single neurons of in-vivo animals, […]

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Polymer MEMS Devices for Biomedical Applications

Abstract The MEMS (Micro Electro Mechanical Systems) technologies have been widely applied in various biomedical fields to meet their requirements of minimal invasiveness and accurate diagnosis/surgery. Especially, polymer-based MEMS devices have many advantages over conventional Si MEMS in terms of […]

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Preparation of Biodegradable Microparticles Using Microfluidic Device and Its Applications

Abstract Microencapsulation is a widely used method for precise delivery of drugs, vaccines, and various functional materials. In order to provide efficient loading and deliver of target materials, it is important to produce carriers that have homogeneous shapes and narrow […]

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