Battery, manufacturing method of battery, and check method of electrolyte leakage
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United States of America Patent
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Dec 10, 2013
Grant Date -
Jun 22, 2006
app pub date -
Dec 8, 2005
filing date -
Dec 22, 2004
priority date (Note) -
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Abstract
There is provided manufacturing method of battery comprising adhering process (S1) to adhere fluorescent material (leakage indicator including fluorescein) which emits fluorescence in response to predetermined light (ultraviolet radiation) irradiated under condition that electrolyte exists, to at least one portion of a surface on a battery case, and leakage detecting process (S2 through S9) to detect presence/absence of electrolyte leakage with fluorescence which an adhered portion emits in response to the predetermined light (ultraviolet radiation) irradiated on at least the adhered portion which has adhesion of the fluorescent material (leakage indicator including fluorescein), out of the surface on the battery case.
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