A charging method of a battery pack and a battery pack

Title:

A charging method of a battery pack and a battery pack

Document Type and Number:

Japanese Patent JP5964303

Kind Code:

B2

Abstract:

[Problem] To always preserve at least a constant residual voltage, even if a battery pack is left on a charging station after charging has been ended. [Solution] A battery pack charging method including: a step in which a power-supplying coil (113) for a charging station (110) and a power-receiving coil (1) for a battery pack are electromagnetically coupled and a secondary battery cell (2) is charged using power supplied from the power-supplying coil (113), while the battery pack is mounted on the charging station (110); a step in which, after charging of the secondary battery cell (2) has ended, a recharge permission signal permitting recharging is sent to the charging station (110); and a step in which the recharge permission signal is received and power is again supplied to the battery pack from the charging station (110). The recharge permission signal includes information changing the time intervals that power is again supplied to the battery pack, in accordance with the reason the charging of the secondary battery cell (2) ended.

Inventors:

Hiroyuki Yamamoto
Itagaki Shinichi
Mikitaka Tamai

Application Number:

JP2013525701A

Publication Date:

August 03, 2016

Filing Date:

July 20, 2012

Export Citation:

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