ENERGY STORAGE DEVICE AND ENERGY STORAGE MODULE
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United States of America Patent
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Issued Date -
May 28, 2020
app pub date -
Oct 16, 2018
filing date -
Oct 17, 2017
priority date (Note) -
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Abstract
An energy storage device and the energy storage module include: an outer case on which an external terminal is mounted; an electrode assembly housed in the outer case; a conductive shaft portion having one end thereof connected to the external terminal; and a conductive plate portion housed in the outer case, to which the other end of the conductive shaft portion is connected, and the electrode assembly is connected. A recessed portion is formed on a first surface of the external terminal on which a bus bar is placed, and a second surface of the external terminal opposedly faces the outer case. One end of the conductive shaft portion is brought into pressure contact with the external terminal in the inside of the recessed portion. The recessed portion formed on the external terminal is gas-tightly covered by the bus bar.
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