Title:
BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2013/129073
Kind Code:
A1
Abstract:
[Problem] To maintain the electromagnetic coupling efficiency between a power-receiving coil and a power-transmitting coil, while making the thickness thin. [Solution] This battery pack is placed on a charging stand and can be charged in a non-contact manner, and is provided with: a square rechargeable battery cell (1) having a width that is wider than the thickness; a power-receiving coil (4) that is positioned on a surface of the rechargeable battery cell (1), and can be electrically coupled with a transmitting coil built into the charging stand; a holder (2) having a coil-positioning hole (2A) for accommodating the power-receiving coil (4) opened therein; a magnetic sheet (3) that is positioned between the rechargeable battery cell (1) and the power-receiving coil (4), and is formed at a size that enables the magnetic sheet (3) to be accommodated in the coil-positioning hole (2A); and a coil cover (6) that is inserted into the coil-positioning hole (2A) with the power-receiving coil (4), which is positioned on the magnetic sheet (3), positioned in the coil-positioning hole (2A).
Inventors:
TAMAI MIKITAKA (JP)
SAIJO YUTA (JP)
SAIJO YUTA (JP)
Application Number:
PCT/JP2013/052927
Publication Date:
September 06, 2013
Filing Date:
February 07, 2013
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H02J17/00; H01F38/14; H01M2/10; H01M10/46; H02J7/00
Foreign References:
| JP2008206287A | 2008-09-04 | |||
| JP2008141940A | 2008-06-19 | |||
| JP2008066140A | 2008-03-21 | |||
| JP2008135589A | 2008-06-12 |
Attorney, Agent or Firm:
NAITO Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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Claims: