Electrochemical apparatus and electronic apparatus
AssigneeNingde Amperex Technology Limited
InventorXingyong WANG
Life of this patent
Estimating the term…
Abstract
An electrochemical apparatus is provided, including an electrode assembly. The electrode assembly includes an electrode plate, the electrode plate includes a current collector, and the current collector includes a first region and a second region. An active material layer is disposed in the first region, a functional layer is disposed in the second region, and a volume ratio of the functional layer to the active material layer is R, where 1%≤R≤10%. The electrochemical apparatus of this application has a high electrolyte retention amount, a smooth appearance, and a good cycling performance.
Claims20
An electrochemical apparatus, comprising an electrode assembly, wherein the electrode assembly comprises an electrode plate, the electrode plate comprises a current collector, the current collector comprises a first region and a second region, an active material layer is disposed in the first region, a functional layer is disposed in the second region, and a volume ratio of the functional layer to the active material layer is R, wherein 1%≤R≤10%.
Dependencies are inferred from the claim text.