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https://drivepatents.com/patents/1398049 · 6 May 2026
Disclosed herein is a secondary battery having a vent member. The secondary battery may include an electrode assembly, a case for accommodating the electrode assembly; and a vent member, wherein the vent member is configured to protrude to the outside of t...
https://drivepatents.com/patents/1399138 · 6 May 2026
The present disclosure relates to a secondary battery which is entirely made of a multi-layered metal thin film to increase the overall cross-sectional area, thereby improving a heat generation property, and facilitating bending. In an example, disclosed i...
https://drivepatents.com/patents/1399503 · 6 May 2026
The present disclosure relates to a negative electrode for secondary battery in which a negative electrode active material layer is formed on at least one surface of a negative electrode current collector, wherein the negative electrode active material lay...
https://drivepatents.com/patents/1399546 · 6 May 2026
There is provided a nonaqueous electrolytic solution for an energy storage device which is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent and contains a phosphonate represented by the following general formu...
https://drivepatents.com/patents/1387310 · 6 May 2026
Disclosed is a cylindrical lithium battery cap sealing structure with a built-in BMS board, including a steel housing, wherein an outer surface of a side of the steel housing is fixedly connected to a bottom housing, and a top surface of the bottom housing...
https://drivepatents.com/patents/1387999 · 6 May 2026
It is provided positive electrode comprising: (i) a high voltage cathode active material; (ii) a conductive additive; and (iii) a high voltage-stable catholyte comprising: a lithium salt, a polymer binder which is a PVdF co-polymer, a room temperature ioni...
https://drivepatents.com/patents/1388166 · 6 May 2026
[Abstract] To provide a means for more effectively suppressing a short circuits in a secondary battery. A method for charging a secondary battery including a positive electrode current collector, a positive electrode active material layer, a solid electrol...
https://drivepatents.com/patents/1388748 · 29 Apr 2026
An all-solid secondary battery including a positive electrode layer including a positive current collector and a positive active material layer on one or more surfaces of the positive current collector is provided. The battery includes a negative electrode...
https://drivepatents.com/patents/1391264 · 29 Apr 2026
Provided is a lithium secondary battery with reduced Hi-pot defects and improved capacity retention rate. According to one aspect of the present disclosure, there is provided a lithium secondary battery including an anode, a cathode, and a separator interp...
https://drivepatents.com/patents/1391365 · 29 Apr 2026
The present invention relates to a positive electrode for an all-solid-state battery, comprising a positive electrode active material, a sulfide-based solid electrolyte, a conductive material and a binder, wherein the sulfide-based solid electrolyte compri...