Lead-acid battery and manufacturing method thereof

Details Lead-acid battery and manufacturing method thereof Lead-acid battery and manufacturing method thereof

2004-10-27

2009-12-22

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S204000, C429S252000, C429S188000

Reexamination Certificate

active

07635543

ABSTRACT:
A lead-acid battery which comprises a positive electrode, a negative electrode, a separator and an electrolyte, wherein the electrolyte contains volatile organic acid and the content of volatile organic acid is 250 mg or lower per liter of the electrolyte. The present invention can improve the performance of the lead-acid battery.

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Laird, Edwin C., Samir B. Hanna. “Analysis of 4.5 mol/L sulfuric acid for organic compounds leached from battery separators.” National Bureau of Standards Special Publication 519. Trace Organic Analysis: A New Frontier in Analytical Chemistry. Proceedings of the 9th Materials Research Symposium. 797-802. Apr. 10-13, 1978.
International Search Report for PCT/JP04/016282 dated Feb. 15, 2005.
Chinese Office Action dated May 9, 2008.
Chinese Office Action dated Jul. 10, 2009.

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