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https://drivepatents.com/patents/1387608 · 25 Feb 2026
Provided are a negative active material, a negative electrode plate, a battery, a battery module, and an electric device. A particle size distribution A of the negative active material is (D90-D10)/D50. a defect degree B of the negative active material is ...
https://drivepatents.com/patents/1394062 · 18 Feb 2026
The present invention relates to a non-aqueous electrolyte for a lithium secondary battery, and to a lithium secondary battery comprising the non-aqueous electrolyte, the non-aqueous electrolyte comprising: an organic solvent; a lithium salt; a first addit...
https://drivepatents.com/patents/1396724 · 18 Feb 2026
A lithium secondary battery is disclosed herein. The secondary battery has improved high temperature safety and may prevent generation of a large amount of gas under a high temperature condition, which prevents an increase in resistance and a decrease in c...
https://drivepatents.com/patents/1395989 · 4 Feb 2026
A battery cell assembly is disclosed. The battery cell assembly includes at least one pouch-type battery cell, a cell cover surrounding the at least one pouch-type battery cell, a bus bar connected to an electrode lead of the at least one pouch-type batter...
https://drivepatents.com/patents/1388704 · 28 Jan 2026
The present application provides an electrode piece and a preparation method thereof, and a battery and an electric apparatus, relating to the technical field of energy storage. The electrode piece includes a current collector and an active layer arranged ...
https://drivepatents.com/patents/1396165 · 28 Jan 2026
The present invention relates to: a lithium secondary battery including a positive electrode, a separator, and a negative electrode, the lithium secondary battery being injected with an electrolyte solution containing a eutectic mixture of succinonitrile a...
https://drivepatents.com/patents/1394463 · 21 Jan 2026
A solid electrolyte sheet capable of increasing rigidity near an end surface of the solid electrolyte sheet, and a solid electrolyte secondary battery used with the solid electrolyte sheet are provided. A solid electrolyte sheet 10 includes a base 11 forme...
https://drivepatents.com/patents/1399854 · 7 Jan 2026
A battery pack according to an embodiment of the present disclosure includes: a plurality of battery modules including a battery cell stack in which a plurality of battery cells are stacked, a module frame for accommodating the battery cell stack, and a co...
https://drivepatents.com/patents/1388307 · 31 Dec 2025
The invention discloses a lithium supplement agent, a preparation method thereof, an electrochemical device, and an electronic device. The lithium supplement includes a component A and a component B; a general chemical formula of the component A is: Li6-xM...
https://drivepatents.com/patents/1394580 · 31 Dec 2025
According to the present embodiment, provided is a positive electrode for a secondary battery,wherein the positive electrode is formed on at least one surface of the current collector and comprises a positive electrode mixture layer including a positive el...