Patent ID: 11901513
Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 16:
17. The electrochemical device according to claim 11, wherein the electrode comprises a current collector of two different regions, each region coated with either a single-sided coating or a double-sided coating, wherein the single-sided coating is formed by coating a slurry only on one surface of the current collector; and the double-sided coating is formed by coating a slurry on two opposing surfaces of the current collector,
wherein the electrode including the single-sided coating has an electrode compaction density D1, the electrode including the double-sided coating has an electrode compaction density D2, and D1 and D2 satisfy the relationship: about 0.8≤D1/D2≤about 1.2.