About 635 results
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https://drivepatents.com/patents/966406 · 10 Dec 2014
There is provided a secondary battery including an electrode assembly having a stack structure of an anode/a separation film/a cathode, a pouch type exterior member configured of a lower surface in which a receiving part is formed and an upper surface cove...
https://drivepatents.com/patents/966826 · 3 Dec 2014
Disclosed herein is a battery pack including a battery module array constituted by one or more battery modules each including one or more unit modules each configured to have a structure in which a battery cell is surrounded by a cell cover are mounted in ...
https://drivepatents.com/patents/966744 · 3 Dec 2014
A fabricating method of an electrode assembly according to the present invention includes forming a radical unit having a four-layered structure obtained by stacking a first electrode, a first separator, a second electrode, and a second separator one by on...
https://drivepatents.com/patents/966739 · 3 Dec 2014
Disclosed are a separator for an electrochemical device substantially comprising inorganic particles to provide an excellent mechanical strength, an electrochemical device comprising the same, and a method of manufacturing the separator using a high intern...
https://drivepatents.com/patents/966741 · 3 Dec 2014
The present invention refers to a method of preparing a separator, comprising: producing a dispersion comprising inorganic particles, a polymer binder, polymer fibers and a solvent; applying the dispersion on the top surface of a substrate to form a non-wo...
https://drivepatents.com/patents/967037 · 26 Nov 2014
Disclosed are a cathode active material represented by Formula 1 below and including a metal cation having a greater ionic radius than a Ni cation and represented by M of Formula 1 at a Li cation site or in an empty space within a crystal lattice so as to ...
https://drivepatents.com/patents/966992 · 26 Nov 2014
The present invention relates to an electrode active material for a lithium secondary battery and the preparation thereof. The electrode active material for a lithium secondary battery according to the present invention comprises a core including (a) first...
https://drivepatents.com/patents/966981 · 26 Nov 2014
Disclosed is a slot die, which includes a feed unit for introducing a coating material, a chamber for accommodating a coating material supplied through the feed unit, a slit communicating with the chamber to discharge the coating material, and a die body h...
https://drivepatents.com/patents/967412 · 19 Nov 2014
A connection member for secondary batteries to achieve the electrical connection in a battery pack including two or more cylindrical secondary batteries in a physical contact manner is provided, the connection member comprising: an outer circumferential co...
https://drivepatents.com/patents/967254 · 19 Nov 2014
Disclosed is an electrode assembly including a plurality of alternately arranged cathode and anode plates, a separator interposed between the cathode plate and the anode plate, a plurality of cathode tabs respectively formed on the cathode plates, a plural...