Title:
LEAD ACID STORAGE BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/216211
Kind Code:
A1
Abstract:
A lead acid storage battery 1 which is provided with: a battery case 2 which has a cell chamber and opens upward; a cover 3 which closes the opening; an electrode plate group 4 which comprises a plurality of electrode plates and is contained in the cell chamber; and an electrode column 6. This lead acid storage battery 1 is configured such that the ratio of the mass of the electrode plate group 4 to the minimum diameter of the electrode column 6 is 220 g/mm or less.
Inventors:
SEWA ITARU (JP)
Application Number:
PCT/JP2019/017293
Publication Date:
November 14, 2019
Filing Date:
April 23, 2019
Export Citation:
Assignee:
HITACHI CHEMICAL CO LTD (JP)
International Classes:
H01M10/06; H01M50/566; H01M50/55; H01M50/553
Domestic Patent References:
WO2012120768A1 | 2012-09-13 | |||
WO2016110907A1 | 2016-07-14 |
Foreign References:
JP2009252625A | 2009-10-29 | |||
JP2005197103A | 2005-07-21 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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