Title:
BATTERY PACK, WIRELESS POWER TRANSMISSION SYSTEM, AND HEARING AID
Document Type and Number:
WIPO Patent Application WO/2020/158022
Kind Code:
A1
Abstract:
This battery pack (1) comprises: a secondary cell (2) having a positive electrode surface (13) on an upper surface, and having a negative electrode surface (14) on a lower surface; a coil unit (60) disposed on, for example, the upper side of the secondary cell (2); and a circuit board (20) that is electrically connected to the secondary cell (2) and the coil unit (60). The circuit board (20) comprises, for example, a positive-electrode terminal part (23) for electrically connecting to an external device, the coil unit (60) being disposed on the lower surface of the positive-electrode terminal part (23).
Inventors:
SUEYOSHI TAIKI (JP)
NISHIO HAJIME (JP)
TSUDA HISASHI (JP)
INOUE MASAMI (JP)
ICHIKAWA KAZUSHI (JP)
NISHIO HAJIME (JP)
TSUDA HISASHI (JP)
INOUE MASAMI (JP)
ICHIKAWA KAZUSHI (JP)
Application Number:
PCT/JP2019/033293
Publication Date:
August 06, 2020
Filing Date:
August 26, 2019
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
H01M50/202; H01M10/46; H01M50/247; H01M50/284; H02J7/00; H02J50/10; H04R25/00
Foreign References:
| JP2018174123A | 2018-11-08 | |||
| JP2017521928A | 2017-08-03 |
Attorney, Agent or Firm:
OKAMOTO, Hiroyuki et al. (JP)
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