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https://drivepatents.com/patents/1387708 · 19 Nov 2025
The present invention discloses a polymer-coated separator with secondary agglomerates, a preparation method therefor, and a battery. The polymer-coated separator includes: a separator substrate, and a polymer coating applied on a surface of at least one s...
https://drivepatents.com/patents/1387007 · 5 Nov 2025
The present application provides an electrolyte solution for a sodium-ion secondary battery. By matching a first additive of a low-boiling-point sulfur-containing compound and a second additive of an oxalate-containing salt (a compound of formula (I)) and/...
https://drivepatents.com/patents/1400741 · 29 Oct 2025
The present application provides an electrode plate and a preparation method therefor, and a battery. The preparation method comprises the following steps: (1) mixing and granulating an active substance, a conductive agent, a solvent and a binder to obtain...
https://drivepatents.com/patents/1387758 · 22 Oct 2025
Provided are a positive electrode plate, a lithium ion battery, and an energy storage device. The positive electrode plate includes a positive current collector and a positive active substance layer. The positive active substance layer is disposed on at le...
https://drivepatents.com/patents/1388395 · 15 Oct 2025
In a cell and an electronic device, a first positive electrode film (5) and a second positive electrode film (4) are respectively arranged on two opposite surfaces of a positive electrode current collector (2). A gram capacity of a second positive electrod...
https://drivepatents.com/patents/1392841 · 13 Aug 2025
A battery includes a battery shell, a cell assembly, and an electrolyte. The electrolyte and the cell assembly are disposed in a containing space of the battery shell, and the electrolyte remaining in the containing space is a free electrolyte. A volume of...
https://drivepatents.com/patents/1399501 · 13 Aug 2025
The present invention relates to an electrode assembly having a short circuit prevention coating portion, and more particularly to an electrode assembly including a positive electrode sheet having a positive electrode tab protruding from an outer end of on...
https://drivepatents.com/patents/1399337 · 30 Jul 2025
The present technology relates to a positive electrode for a lithium secondary battery and a lithium secondary battery including the same, and the positive electrode contains a positive electrode additive represented by Formula 1 and a positive electrode m...
https://drivepatents.com/patents/1393624 · 16 Jul 2025
Beschrieben wird eine Tragstruktur (7) für eine Anzahl an Batteriemodulen (2), aufweisend: eine Mehrzahl an Tragelementen (7a, 7b), welche Tragelemente (7a, 7b) voneinander beabstandet angeordnet sind und zwischen sich eine Anzahl an Fächern (7c) ausbild...
https://drivepatents.com/patents/1394805 · 16 Jul 2025
The present invention relates to a three-electrode battery and a system for performance analysis using same, and the purpose of the present invention is to provide a three-electrode battery in which an electrode indentation phenomenon and an internal short...