SK Innovation. has filed a patent for a device designed to heat battery cells, featuring a cell fixing portion and a heating unit that supplies thermal energy to the battery cell and electrode lead. This innovation aims to improve battery performance and safety. GlobalData’s report on SK Innovation gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on SK Innovation, Battery management systems was a key innovation area identified from patents. SK Innovation's grant share as of January 2024 was 31%. Grant share is based on the ratio of number of grants to total number of patents.
Battery cell heating device with electrode lead outside case
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The patent application (Publication Number: US20240039085A1) describes a device for heating a battery cell, consisting of an electrode assembly in a case with an electrode lead extending outside the case. The device includes a cell fixing portion for the battery cell and a heating unit that provides thermal energy to the battery cell, specifically to the electrode lead outside the case. The heating unit generates flames continuously to supply thermal energy and includes a fuel pipe and a nozzle for flame formation.
Additionally, the device includes a blocking unit to prevent direct transfer of thermal energy to the case, ensuring efficient heating of the battery cell. The cell fixing portion has plates with a pressure measuring portion to monitor pressure changes in the battery cell. The electrode lead, comprising negative and positive leads, receives thermal energy from the heating unit. The method described involves placing the battery cell on the cell fixing portion and supplying thermal energy, particularly heating the electrode lead with flames, while monitoring internal pressure changes in the battery cell using a load cell. This innovative device and method aim to efficiently heat battery cells for various applications, potentially improving performance and longevity.
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