Samsung sdi co., ltd. (20250096378). SECONDARY BATTERY
SECONDARY BATTERY
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SECONDARY BATTERY
This abstract first appeared for US patent application 20250096378 titled 'SECONDARY BATTERY
Original Abstract Submitted
the present disclosure relates to a secondary battery capable of additionally supplementing an electrolyte, and at least one problem to be solved is to provide a secondary battery capable of additionally supplementing the electrolyte. to this end, provided is a secondary battery comprising: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly; a cap plate sealing an upper opening of the case and having an injection hole that is a supply passage for electrolyte; and a safety valve installed on the cap plate, sealing the injection hole by a magnetic force and moving by external force to open the injection hole.