Stretchable electrode, electrochemical device including the same, and method of manufacturing the stretchable electrode
US10964954B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | May 8, 2018 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | May 3, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A stretchable electrode includes: a current collector; and, disposed on a surface of the current collector, a metal layer or an electrode active material layer, wherein the current collector includes a spiral-type coil spring and an elastic polymer, the spiral-type coil spring including a coil spring wound in a spiral pattern around a point, and wherein the elastic polymer is disposed in at least a portion of an inside of the coil spring, in at least a portion of a space between spiral coils of the spiral-type coil spring, or both.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.