About 53 results
https://drivepatents.com/patents/1386038 · 3 Jun 2026
The present invention provides a negative electrode material comprising a Mg(O)/C composite, which is a carbide of Mg-MOF-74 (magnesium-based metal-organic framework-74), wherein O is present or absent, a negative electrode comprising the negative electrod...
ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
https://drivepatents.com/patents/1382600 · 14 May 2026
According to embodiments of the present disclosure, an anode active material for a lithium secondary battery includes composite particles including carbon-based particles having pores and a silicon-containing coating disposed on the surface of the carbon-b...
https://drivepatents.com/patents/1395852 · 6 May 2026
Disclosed are a porous carbon material from which impurities were removed, which can improve the charging overvoltage problem of a lithium-sulfur battery by applying the porous carbon material, from which impurities such as moisture were removed through pr...
https://drivepatents.com/patents/1381351 · 23 Apr 2026
A negative electrode active material for a lithium secondary battery, where the negative electrode active material includes a silicon-carbon (Si/C) composite. When the silicon-carbon composite is pressed under a pressure of about 3 tons or more to 9 tons o...
https://drivepatents.com/patents/1386115 · 22 Apr 2026
In a first aspect, the invention provides a process for preparing silicon-containing composite particles, the process comprising the steps of:(a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein:(i) the D50 particle...
https://drivepatents.com/patents/1393915 · 25 Feb 2026
The present disclosure relates to an anode material, a preparation method thereof, and a lithium ion battery. The anode material includes a core and a coating layer arranged on at least part of a surface of the core, where the core includes porous carbon a...
https://drivepatents.com/patents/1377603 · 25 Dec 2025
A method for structural and chemical regulation of anode carbon materials of rate-type sodium-ion battery and an application thereof utilize active gas to etch and dope a carbon material at a certain temperature. The etching reflects a reaction between the...
https://drivepatents.com/patents/1391862 · 24 Dec 2025
A negative active material for a rechargeable lithium battery, the negative active material including a porous amorphous carbon matrix having a porosity of about 10 % to about 64 %, silicon oxide distributed in pores of the porous amorphous carbon matrix, ...
https://drivepatents.com/patents/1395423 · 24 Sep 2025
The present invention relates to a silica coated sulfur-carbon composite comprising a sulfur-carbon composite and silica particles coated on at least part of a surface of the sulfur-carbon composite, a method for preparing such silica coated sulfur-carbon ...
https://drivepatents.com/patents/1397903 · 18 Dec 2024
The present application discloses a composite graphite material, a method for preparing the same, a negative electrode sheet, a secondary battery, a battery module, a battery pack, and an electrical apparatus. The composite graphite material comprises a bu...