SECONDARY BATTERY
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United States of America Patent
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Issued Date -
Dec 31, 2020
app pub date -
Sep 16, 2020
filing date -
Nov 9, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A secondary battery includes an electrode body including a positive electrode plate and a negative electrode plate; a battery case containing the electrode body; a terminal attached to the battery case; a conductive member having an opening adjacent to the electrode body; a deformation plate that seals the opening, and a current collector. The positive electrode plate and a positive electrode terminal are electrically connected to each other via a first positive electrode current collector, the deformation plate, and the conductive member. The first positive electrode current collector has a through-hole. The deformation plate is disposed to face the through-hole. A portion of the first positive electrode current collector distant from the through-hole is welded to the deformation plate to form a weld.
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