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https://drivepatents.com/patents/969683 · 24 Sep 2014
Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein i) the anode includes a silicon (Si)-based anode active material, ii) the gel polymer electrolyte is formed by polymerizing a compos...
https://drivepatents.com/patents/969685 · 24 Sep 2014
The present disclosure relates to a non-woven fabric made from a fiber coated with a binder polymer by spinning a non-woven forming fiber in an organic binder polymer compound solution, an electrochemical cell using the non-woven fabric as a separator subs...
https://drivepatents.com/patents/970105 · 17 Sep 2014
The present invention refers to a separator for an electrochemical device and an electrochemical device having the same. More specifically, the separator of the present invention comprises a porous substrate; a first porous coating layer formed on one surf...
https://drivepatents.com/patents/970092 · 17 Sep 2014
Disclosed herein is a battery cell configured to have a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case formed of a laminate sheet including a resin layer and a metal layer in a state in which th...
https://drivepatents.com/patents/970051 · 17 Sep 2014
Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, the battery cell having first and second el...
https://drivepatents.com/patents/970052 · 17 Sep 2014
Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure, the electrode assembly being impregnated with an electrolyte, the electrode assembly being chargeable and dischargeable, a battery case in which the ...
https://drivepatents.com/patents/970043 · 17 Sep 2014
Disclosed is a cable-type secondary battery. The cable-type secondary battery according to the present disclosure comprises at least one inner electrode layer including an inner electrode active material formed on a surface of an inner current collector ha...
https://drivepatents.com/patents/970044 · 17 Sep 2014
The present invention relates to a method of preparing silicon oxide, in which the amounts of silicon and oxygen are appropriately controlled by decreasing the amount of the oxygen from silicon oxide containing a relatively large amount of oxygen, silicon ...
https://drivepatents.com/patents/970042 · 17 Sep 2014
Disclosed is a secondary battery including a plurality of electrode assemblies. The secondary battery includes a first electrode assembly including a first cathode, a first separator and a first anode, and a second electrode assembly including a second cat...
https://drivepatents.com/patents/970443 · 10 Sep 2014
The present invention provides a separator having a porous substrate; and a porous coating layer formed on one surface of the porous substrate and comprising a mixture of inorganic particles and a binder polymer, which has a value of a porosity x an air pe...