An electrode assembly is disclosed. The electrode assembly has a structure in which a plurality of unit cells are bonded to one or both surfaces of a first separator whose length is greater than width and are stacked in a zigzag pattern or wound sequential...

The present invention provides an electrode assembly including a separation membrane, wherein one side thereof stacked with anode or cathode active materials and the other side thereof are asymmetrically coated with different materials, respectively; and a...

A battery having the electrodes of multiple cell types interleaved to prevent thermal runaway by cooling a shorted region between electrodes. The battery includes multiple cell types where each cell type has multiple electrodes a first polarity. The electr...

A storage body (1) comprises a storage unit that stores electric energy and a case (9) that houses the storage unit. The case (9) comprises a frame-shaped outer shell body (10) having two end surfaces (15, 16) that respectively include opening portions and...

The present invention provides an electrochemical element, wherein a multi-component composite film comprising a) polymer support layer film and b) a porous gellable polymer layer which is formed on either or both sides of the support layer film of a), whe...