Expanded grid for electrode plate of lead-acid battery

Details Expanded grid for electrode plate of lead-acid battery Expanded grid for electrode plate of lead-acid battery

1998-09-09

2000-03-14

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429225, 429226, 429233, 429241, H01M 414

Patent

active

060370815

ABSTRACT:
A slit is formed in a clad sheet integrating a thin layer of lead alloy containing at least one of tin and antimony at least on one side ot a parent material made of lead or lead-calcium system alloy. The clad sheet is processed by expanding to twist the rib of the formed grid, and the thin layer of the lead alloy containing at least one of tin and antimony is spirally oriented in multiple directions, as the positive electrode plate. An expanded grid is thus formed. In this manner charging reception characteristics after long-term storage following deep discharge at high temperature ot a lead-acid battery are improved.

REFERENCES:
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patent: 5958625 (1999-09-01), Rao
European Search Report dated Dec. 28, 1998, application No. 98301203.

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