Lead-acid battery with inactive cell

Details Lead-acid battery with inactive cell Lead-acid battery with inactive cell

1994-01-11

1998-02-17

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Plural cells

429211, 429225, 429241, 429245, H01M 224, H01M 473

Patent

active

057189870

ABSTRACT:
A lead-acid battery includes a compartmented case and a polarity of electrochemically lead-acid cells serially connected via respective positive and negative terminals. Each cell includes planar positive and negative plates and resides in one compartment of the case. The battery further includes an electrochemically inactive cell serially connected with the electrochemically active cells and being intermediately disposed respecting the electrochemically active cells. Plates of the inactive cell preferably have connecting lugs extending therefrom which align with corresponding connecting lugs of the positive and negative plates of the active cells. Rigid homogeneous foam separates the inactive cell plates from one another and fills the inactive cell compartment thereby providing support for the inactive cell plates.

REFERENCES:
patent: 1069809 (1913-08-01), Prince
patent: 1126671 (1915-01-01), Wilson
patent: 1947473 (1934-02-01), Huebner
patent: 3253962 (1966-05-01), Deprill et al.
patent: 3257237 (1966-06-01), Jache
patent: 3457112 (1969-07-01), Reber
patent: 3711335 (1973-01-01), Daniel
patent: 4076906 (1978-02-01), Jensen
patent: 4391036 (1983-07-01), Kishimoto et al.
patent: 5149605 (1992-09-01), Dougherty
patent: 5227266 (1993-07-01), Shaffer et al.

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