Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and...
Reexamination Certificate
2007-08-21
2007-08-21
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
C429S188000, C429S314000, C429S340000, C429S201000, C429S204000
Reexamination Certificate
active
10479710
ABSTRACT:
The present invention provides electrolyte that can suppress reduction of battery efficiencies and capacities with increased cycles of charge/discharge of the battery, a method for producing the same, and a redox flow battery using the same electrolyte. The redox flow battery uses the electrolyte having a NH4content of not more than 20 ppm and a relation of Si concentration (ppm)×electrolyte quantity (m3)/electrode area (m2) of less than 5 ppm·m3/m2. By limiting a quantity of contaminants in the electrolyte, a clogging of carbon electrodes to cause reduction of the battery performances with increased charge/discharge operations can be suppressed.
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Kubata Michiru
Nakaishi Hiroyuki
Tokuda Nobuyuki
McDermott Will & Emery LLP
Rhee Jane
Ryan Patrick Joseph
Sumitomo Electric Industries Ltd.
The Kansai Electric Power Co. Inc.
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