Title:
LEAD-ACID BATTERY
Document Type and Number:
Japanese Patent JPH11167924
Kind Code:
A
Abstract:
To provide a lead-acid battery which uses expanded grid and has superior life characteristics.
A grid bore part 1 and a crossing part 2 of the grid bone part 1 have the same thickness and are formed in the form of a wave as a whole as shown in the cross section. When this is used in an electrode plate as a current collector, the crossing part 2 is positioned in the vicinity of the center in the thickness direction of an electrode plate, and the grid bone part 1 projected from each crossing part 2 is arranged in the upper and lower direction of the crossing part 2.
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Inventors:
YOSHIHARA YASUYUKI
YONEZU WAKICHI
KASHIO TAKESHI
SETA FUMIAKI
YONEZU WAKICHI
KASHIO TAKESHI
SETA FUMIAKI
Application Number:
JP33535897A
Publication Date:
June 22, 1999
Filing Date:
December 05, 1997
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01M4/14; B21D31/04; H01M4/73; H01M4/74; H01M4/78; H01M10/12; (IPC1-7): H01M4/74; H01M4/14; H01M10/12
Attorney, Agent or Firm:
Tomoyuki Takimoto (1 person outside)
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