A battery cell includes a housing, an electrode assembly, a conductive member, and a protective layer. The electrode assembly is accommodated in the housing. The electrode assembly includes a first electrode plate and a second electrode plate with opposite...

In one exemplary embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, a first separator disposed on a side of one surface of the positive electrode, and a first negative electrode disposed to be spaced apart fro...

A lithium secondary battery structure having a first electrode including a first conductive current collector having an active material layer formed on at least one surface; a second electrode including a second conductive current collector having an activ...

This application relates to a positive electrode plate and an electrochemical device. The positive electrode plate includes a current collector, a positive electrode active material layer and a safety coating disposed between the current collector and the ...

Electrodes for an electrochemical storage cell, including a conductor foil including an application zone for an electrode coating, the application zone including an outer region and a central region, are provided. The outer region of the application zone l...

A battery for a vehicle battery pack, a capacitor-assisted current collector, and a method is provided. The vehicle battery pack includes a battery pack housing and at least one vehicle battery cell carried by the battery pack housing. The at least one veh...

Electrochemical cells and methods of providing over-discharge protection of the same are disclosed. An electrochemical cell may include a cathode, an anode, a separator, and an electrolyte. The cathode may include a cathode current collector and a cathode ...

A lithium-ion cell is described comprising a positive electrode, a negative electrode and a separator that is permeable to lithium ions, which migrate back and forth between the positive and negative electrode during charging and discharging of the cell. T...

Disclosed is a secondary battery having a novel structure in which a jelly-roll type electrode assembly ("jelly-roll") in which a cathode including a cathode active material coated portion on at least one surface of a cathode current collector, an anode in...