Single layer secondary battery having a folded structure
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United States of America Patent
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Aug 29, 2017
Grant Date -
Apr 23, 2015
app pub date -
Apr 25, 2013
filing date -
Apr 27, 2012
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Abstract
Provided is a secondary battery adopting an all-solid-state secondary cell structure with a storage layer sandwiched between a positive electrode layer and a negative electrode layer and which is superior to a conventional secondary battery with respect to at least one of volume, manufacturing, and positioning. The present invention provides a secondary battery including a single-layer secondary cell having a folded structure that a sheet-shaped single-layer secondary cell with a storage layer sandwiched between a positive electrode layer and a negative electrode layer is folded in two or four. Here, it is preferable that a plurality of the single-layer secondary cells each having the folded structure are arranged in parallel and adjacent single-layer secondary cells each having the folded structure are electrically connected directly or via a positive electrode terminal member or a negative electrode terminal member, so that at least one of current capacity increasing and terminal voltage heightening is achieved.
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