VALVE REGULATED LEAD-ACID BATTERY

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United States of America Patent

APP PUB NO 20140212765A1
SERIAL NO

14349180

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A valve-regulated lead acid battery comprises an element including a positive electrode plate which retains a positive active material, a negative electrode plate which retains a negative active material, and a separator. An average pore diameter of the negative active material measured by a bubble point method is 0.2 μm or more and 0.35 μm or less. An average pore diameter of the separator measured by the bubble point method is 10 to 40 times as large as the average pore diameter of the negative active material.

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Patent Owner(s)

Patent OwnerAddress
GS YUASA INTERNATIONAL LTDKYOTO JAPAN KYOTO

International Classification(s)

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  • 2012 Application Filing Year
  • H01M Class
  • 3746 Applications Filed
  • 3459 Patents Issued To-Date
  • 92.34 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2012201320142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Aya Kyoto, JP 4 3
Nakayama, Yasuhide Kyoto, JP 42 541

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  • 1 Citation Count
  • H01M Class
  • 8.60 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges10066922189332493244501 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650700750

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