- Semiconductor materials and devices
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced Battery Materials and Technologies
- Advanced X-ray Imaging Techniques
- Integrated Circuits and Semiconductor Failure Analysis
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Advanced Sensor and Energy Harvesting Materials
- Advanced Surface Polishing Techniques
- Distributed Control Multi-Agent Systems
- Silicon Carbide Semiconductor Technologies
- Advanced Neural Network Applications
- Electrochemical sensors and biosensors
- Computational Fluid Dynamics and Aerodynamics
- Fullerene Chemistry and Applications
- Conducting polymers and applications
- Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
- Machine Learning and ELM
- Domain Adaptation and Few-Shot Learning
- Robotic Path Planning Algorithms
- Graphene research and applications
- Microstructure and Mechanical Properties of Steels
- Advanced Chemical Sensor Technologies
- Laser and Thermal Forming Techniques
Nissan (Japan)
2021-2025
Yokohama National University
2018-2024
Keio University
2021-2024
Jichi Medical University
2023-2024
Jichi Medical University Saitama Medical Center
2023-2024
Tokyo Institute of Technology
2021-2023
Nissan (United Kingdom)
2020-2023
Hamamatsu Photonics (Japan)
2005-2022
Kanazawa University
2007-2019
Takenaka (Japan)
2018-2019
Carbon interlayers in anode-free SSBs form Li concentration gradients when charged at high current densities. Dynamic changes the state-of-charge of carbon interlayer influence interfacial impedance and eventual nucleation plated Li.
We studied the kinetics of Diels-Alder reaction Li(+)-encapsulated [60]fullerene with 1,3-cyclohexadiene and characterized obtained product, [Li(+)@C60(C6H8)](PF6(-)). Compared empty C60, Li(+)@C60 reacted 2400-fold faster at 303 K, a rate enhancement that corresponds to lowering activation energy by 24.2 kJ mol(-1). The enhanced was well explained DFT calculation M06-2X/6-31G(d) level theory considering reactant complex dispersion corrections. calculated energies for C60 (65.2 43.6 mol(-1),...
Abstract Solid‐state batteries (SSBs) hold the potential to improve energy density and offer enhanced safety when compared lithium‐ion batteries. However, development of practical SSBs faces major challenges, such as filament growth void formation, which necessitate a comprehensive understanding intrinsic solid–solid interfaces limiting mechanisms. In this work, underpinning asymmetry in mechanistic interplay resulting interface dynamics during Li plating stripping is demonstrated,...
Human CYP3A is the most abundant P450 isozyme present in human liver and small intestine, metabolizes around 50% of medical drugs on market. The subfamily comprises four members (CYP3A4, CYP3A5, CYP3A7, CYP3A43) encoded chromosome 7. However, transgenic mouse lines carrying entire cluster have not been constructed because limitations conventional cloning techniques. Here, we show that introduction a artificial (HAC) containing genomic locus recapitulates tissue- stage-specific expression...
This paper deals with cooperative target-capturing problem for multi-vehicle systems dynamic network topology. Firstly, we introduce a topology that depends on relative distance between the vehicles. Secondly, propose strategy based consensus seeking In proposed strategy, at least one vehicle can acquire information of target-object and among vehicles is time-varying but always connected. To analyze convergence behavior topology, algebraic graph theory matrix are utilized. Finally, numerical...
Interfacial deposition stability at the Li-metal-solid electrolyte interface in all solid-state batteries is governed by stress-transport-electrochemistry coupling conjunction with polycrystalline/amorphous solid architecture. In this work, we delineate optimal microstructure comprising grains, grain boundaries, and voids possessing desirable ionic conductivity elastic modulus for superior transport strength. An analytical formalism provided to discern impact of external “stack”...
Much higher reactivity of [Li+@C60]PF6– for Diels–Alder cycloaddition toward cyclopentadiene (CpH), in comparison with that empty C60, was observed. The synthetic method, electrochemical and light absorption properties, X-ray crystal structure the product [Li+@C60(CpH)]PF6– are discussed.
Gold nano-particles and MnO2 are decorated on polyaniline support to be used as the catalyst in non-enzymatic electrochemical sensing of glucose. The is prepared by electro-polymerization, decoration gold conducted direct-dropping KAuCl4 KMnO4 solutions onto polyaniline, respectively. catalytic activity glucose oxidation evaluated cyclic voltammetry 0.1 M KOH containing 0∼50 mM found affected sequence process. higher when before nano-particle decoration. sensitivity was 13.1 μA/cm2·mM a...
We investigate a massive non-relativistic fermionic system exhibiting exotic features. When the mass parameter is set to zero, acquires subsystem symmetry. Introducing term explicitly breaks this symmetry, resulting in trivially gapped absence of boundaries. demonstrate that with introduction boundaries, remains gapped, but it has huge vacuum degeneracy. The residual entropy proportional area boundary.
With the rapid advancement in complex chemical information systems and biomimetic models, need for sensors with partially overlapping selectivities has grown more than ever. Fabrication of multiple sensing films is tedious, time-consuming-newer approaches are needed. By using novel materials such as noble-metal-based single-atom catalysts decorated on conducting polymers, can be fabricated. In this research, bi-atomic gold (or nanostructure two atoms) electrocatalyst been successfully a...
Abstract Carbon interlayers have been implemented in “anode‐free” solid‐state batteries to improve the uniformity and reversibility of lithium deposition by controlling location Li plating. However, there remains a lack fundamental understanding detailed role how these function during situ formation. In this study, relationships between interfacial adhesion carbon interlayer solid electrolyte plating are investigated. By varying lamination pressure used manufacturing, ability systematically...
Abstract Polymer thin‐film sensors have attracted considerable attention in various applications owing to their highly transparent, flexible, and gas‐permeable features. However, conventional based on nanomaterials suffer from poor selectivity sensing targets scalability of functions. Therefore, a new approach is required for achieving higher with simple processibility. This study proposes ultra‐flexible, polymer using ion gels as the material; demonstrated capacity selective detections....
In this study, a non-enzymatic glucose composed of gold nanoparticle decorated polypyrrole (PPy) is reported. The PPy prepared by electro-polymerization in 0.05 M phosphate-buffered saline (PBS) containing 0.1 pyrrole monomer. nanoparticles are directly dropping mM KAuCl4 solution onto the coated electrode. No enzymes used preparation catalytic amount and size both found to be dependent on dropped sensing performance evaluated cyclic voltammetry PBS 5 with pH at 7.4. activity oxidation...
Abstract The roll‐to‐roll (R2R) process for fabricating elastic substrates is essential the social implementation of next‐generation stretchable devices with soft interfaces. In recent years, there a growing demand heterostructures multiple monolithically patterned organic materials. However, continuous processing technique using highly wiring has not yet been developed. Conventional manufacturing methods electronics lack production capacity. This study introduces an R2R‐based method...
In this paper, we discuss a target-enclosing problem for group of multiple nonholonomic agents in plane. The proposed strategies guarantee that agentspsila coordination finally results circular formation enclosing the target-object which moves Firstly, virtual feedback linearization real are introduced. Secondly, propose control laws based on consensus algorithm to agents. Algebraic graph theory and employed prove convergence stability problem. Finally, experiments provided demonstrate...
This paper deals with cooperative target-enclosing problems using consensus filter for multiple vehicle systems. Proposed strategies are based on seeking algorithms and at least one only has to acquire the states of target-object. In addition, measurement signals made be agreed filters when each acquires noisy signal To analyze enclosing problem, algebraic graph theory matrix utilized. Numerical simulations experiments carried out demonstrate effectiveness proposed methods.
Organic functionalization of lithium-ion-containing [60]fullerene, Li+@C60, was performed by using diphenyl(diazo)methane as a stable, readily available diazo compound to obtain [5,6]- and [6,6]-diphenylmethano[60]fullerenes, Li+@C61Ph2. The bis(trifluoromethanesulfonyl)imide (TFSI) salts [6,6]-Li+@C61Ph2 were successfully separated cation exchange column with eluent containing LiTFSI. Improved separation protocol high crystallinity ionic components in less polar solvents enabled separate...
High-performance deep neural network (DNN)-based systems are in high demand edge environments. Due to its computational complexity, it is challenging deploy DNNs on devices with strict limitations resources. In this paper, we derive a compact while highly-accurate DNN model, termed dsODENet, by combining recently-proposed parameter reduction techniques: Neural ODE (Ordinary Differential Equation) and DSC (Depthwise Separable Convolution). exploits similarity between ResNet ODE, shares most...
Terahertz-field-induced carrier generation processes were investigated in Dirac electron systems, single-crystalline bismuth antimony alloy thin films ($\mathrm{B}{\mathrm{i}}_{1\ensuremath{-}x}\mathrm{S}{\mathrm{b}}_{x}$; $0\ensuremath{\le}x\ensuremath{\le}0.16$). This investigation was performed by precisely tuning, via the substituent ratio $x$, band structure of from that associated with a semimetal to characteristic narrow-gap semiconductor. absorption clearly observed within few...
Abstract Increased satisfaction with thermal environments in office significantly affects workplace productivity. Conventional air-conditioning systems are intended to achieve a uniform environment across the entire air-conditioned space. However, due differences sensation among individuals, it is difficult improve occupants’ merely by providing environment. In this study, we developed an system called Smart Wellness Control System aim of realizing air conditioning that responds individual...
A transformer is an emerging neural network model that employs attention mechanism. It has been adopted to various tasks and achieved a favorable accuracy compared CNNs (Convolutional Neural Networks) RNNs (Recurrent Networks). Although the mechanism recognized as general-purpose component, many of models require significant number parameters thus they are not suited low-cost edge devices. Recently, resource-efficient hybrid uses ResNet backbone architecture replaces part its convolutional...
A microfocus X-ray tube is useful for performing magnification radiography, and its generator (L9631, Hamamatsu Photonics) consists of a personal computer controlling the voltage current, main unit with high-voltage circuit fixed-anode tube. The maximum voltage, electric power were 110 kV, 800 µA, 50 W, respectively. focal-spot size was proportional to tube, approximately 20 µm W. Using 3-mm-thick aluminum filter, intensity 7.75 µGy/s at 1.0 m from source 60 kV current 100 µA. Because peak...