Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Yuji Suzuki"'
Publikováno v:
Science and Technology of Advanced Materials, Vol 19, Iss 1, Pp 486-494 (2018)
Charge trap in amorphous perfluoro-polymer electret is studied, focusing on electron trap site and trap energy. Low-energy inverse photoelectron spectroscopy is adopted to measure solid-state electron affinity (EA) of cyclic transparent optical polym
Externí odkaz:
https://doaj.org/article/b6e19e57f238491089e524e78b828968
Publikováno v:
Journal of Intelligent Material Systems and Structures. 33:183-195
A nonlinear interface circuit, known as synchronized switch harvesting on inductor (SSHI), for in-plane rotational electret kinetic energy harvesters (EHs) was developed. An explicit generator model is derived to verify the applicability of SSHI, whi
Autor:
Jia Lu, Yuji Suzuki
Publikováno v:
2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers).
Piezoelectret using space-charged porous polymers attracts much attention due to its high piezoelectric coefficient. In the present study, a novel all-polymer soft-X-ray-charged multilayer piezoelectret is proposed for push-button energy harvesting.
Publikováno v:
Science and Technology of Advanced Materials, Vol 19, Iss 1, Pp 486-494 (2018)
Charge trap in amorphous perfluoro-polymer electret is studied, focusing on electron trap site and trap energy. Low-energy inverse photoelectron spectroscopy is adopted to measure solid-state electron affinity (EA) of cyclic transparent optical polym
Publikováno v:
The journal of physical chemistry. B. 124(46)
In this study, electron trapping phenomena in amorphous polymer electrets were studied using a solid-state electron affinity analysis by means of molecular dynamics simulations parametrized with ab initio calculations. Negatively charged amorphous sy
Publikováno v:
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS).
In this paper, we investigate the effect of natural frequency of rotational energy harvester (EH) on power generation characteristics during human walking. Based on electromechanical analysis using the arm swing model, it is found that the output pow
Publikováno v:
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS).
In this report, the liquid-crystal-enhanced electret vibration energy harvester has been realized for the first time. The effect of impurities and humidity on resistivity of nematic liquid crystal (LC) was examined. By suppressing the ionic impuritie
Publikováno v:
IEEE Transactions on Electron Devices. 65:1597-1603
Electret-based rotational energy harvesting (EBREH) technology is promising to overcome the electrostatically converted power limitation of velocity-damped resonance generators. Its structural parameter-dominated capacitance variation and parasitic c
Autor:
Kuniko Suzuki, Jiawen Li, Jinzhe Zhang, Yuji Suzuki, Zetian Mao, Yucheng Zhang, Koji Tsuda, Kei Terayama, Masato Sumita
Publikováno v:
Applied Physics Letters. 118:223904
We designed a high-performance polymer electret material using a deep-learning-based de novo molecule generator. By statistically analyzing the enrichment of the functional groups of the generated molecules, the hydroxyl group was determined to be cr
Publikováno v:
2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII).
This paper presents a dual-stage electrode design for electret-based rotational energy harvester (EH) to improve efficiency of synchronized switch harvesting on inductor (SSHI) technique. With the aid of the present parallel SSHI circuit, the output