Title:
POWER GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/172314
Kind Code:
A1
Abstract:
A power generation device (1) is provided with: an electret (2) having a first charging surface (21) and a second charging surface (22); a first power generation unit (10A) that includes first and second electrodes (31, 32) formed on the first and second charging surfaces (21), and in which the first electrodes are arranged on the first charging surface (21) in a state in which a portion thereof serving as a current-collecting surface (20) is exposed; a second power generation unit (10B) that includes a second electrode, and third electrodes (33) that oppose the first charging surface (21) with an interval therebetween and are capable of parallel movement; and a power storage unit (41) and/or an output unit (42). The electret (2) that is electretized by polarization processing of an electret material that includes an inorganic dielectric having a band gap energy of 4eV or higher.
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Inventors:
KOZAWA YOSHIHIRO (JP)
MATSUSHITA NORIYUKI (JP)
KANO KAZUHIKO (JP)
TANAKA YUMI (JP)
OTSUKA HIROTOSHI (JP)
EDANO YUSUKE (JP)
MATSUSHITA NORIYUKI (JP)
KANO KAZUHIKO (JP)
TANAKA YUMI (JP)
OTSUKA HIROTOSHI (JP)
EDANO YUSUKE (JP)
Application Number:
PCT/JP2021/006746
Publication Date:
September 02, 2021
Filing Date:
February 24, 2021
Export Citation:
Assignee:
DENSO CORP (JP)
UNIV TOKYO SCIENCE FOUND (JP)
UNIV TOKYO SCIENCE FOUND (JP)
International Classes:
H02N1/00; C04B35/50; H01G7/02; H01L41/113; H01L41/187
Foreign References:
| JP2006180450A | 2006-07-06 | |||
| JP2016018935A | 2016-02-01 |
Other References:
TANAKA, YUMI: "Liberal arts course: Vibration power generation using electret", RIDAI KAGAKU FORAMU, vol. 33, no. 7, 30 June 2016 (2016-06-30), JP, pages 24 - 29, XP009530797, ISSN: 1346-1206, DOI: 10.20604/00002596
YASUNO, YOSHINOBU ET AL.: "Charge storage observation in corona-charged oxy- hydroxyapatite ceramics", IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION, vol. 27, no. 5, 6 October 2020 (2020-10-06), pages 1415 - 1421, XP011813475, DOI: 10.1109/TDEI.2020.008680
YASUNO, YOSHINOBU ET AL.: "Charge storage observation in corona-charged oxy- hydroxyapatite ceramics", IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION, vol. 27, no. 5, 6 October 2020 (2020-10-06), pages 1415 - 1421, XP011813475, DOI: 10.1109/TDEI.2020.008680
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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