An electrode plate assembly includes an electrode plate and a tab. An electrode plate includes a first surface and a second surface that are disposed opposite to each other along a thickness direction of the electrode plate. The tab is disposed on the firs...

The present disclosure discloses an electrode plate, a battery, an electric apparatus, and a method of preparing the electrode plate. The electrode plate includes an electrode plate body and a tab located at least one end of the electrode plate body in a w...

An electrode assembly includes unit cells stacked in a longitudinal direction, each unit cell including an electrode structure, a separator, and a counter-electrode structure. The electrode structure includes an electrode current collector and an electrode...

To stably form a large welding trace (nugget), which is formed inside a positive electrode core exposed part or a negative electrode core exposed part of a rectangular secondary battery, on the collector side. [Solution] A rectangular secondary battery is ...

The invention relates to an electrochemical generator (1) comprising positive (5) and negative (4) terminals, positive (8) and negative (9) electrodes, electrically connected respectively to the positive terminal and to the negative terminal, a collector o...

The invention provides a lithium secondary cell including an inner electrode body impregnated with a non-aqueous electrolyte, made up of a positive electrode and a negative electrode each made of at least one metallic foil wound or laminated together and c...

In a rechargeable battery in which an electrode plate group (10) obtained by superimposing a positive electrode plate (1), in which positive electrode material (1a) is attached to a positive electrode current collector (1b), and a negative electrode plate ...