Bendable scoring lines in thin-film solid state batteries
a technology of solid-state batteries and bendable scoring lines, which is applied in the direction of final product manufacturing, sustainable manufacturing/processing, and flat cell grouping. it can solve the problems of shortening the thin-film battery region, affecting the production efficiency of the device, and affecting the quality of the produ
Inactive Publication Date: 2017-02-09
ITN ENERGY SYST INC
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Problems solved by technology
However, in the case of a thin-film battery, the cathode thickness is practically limited to less than 20-30 microns.
While large area thin-film devices may be useful, it is often impractical for a device to be manufactured with a large surface area.
For instance, regions of the thin-film battery may be shorted by defects.
For example, in the case of solid state batteries that employ very thin solid state electrolytes, connecting cells into batteries while avoiding shorts is difficult.
Further, solid state batteries often locate both the positive and negative current collector on the same substrate, which may present challenges in avoiding electrical defects during manufacturing.
Additionally, manually stacking disconnected thin-film electrical devices may be tedious or slow.
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[0022]Various embodiments of free-standing electrical devices with bendable scoring lines are described more fully below with reference to the accompanying drawings and attachments, which form a part hereof, and which illustrate example embodiments. However, embodiments may be implemented in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the scope of the embodiments to those skilled in the art. Embodiments may be practiced as methods, systems, or devices. The following detailed description is, therefore, not to be taken in a limiting sense.
[0023]FIG. 1 illustrates an embodiment of a plurality of free-standing electrical devices deposited on a substrate. Column and row labels are also illustrated. Specific partition sections will be referred to using column headers A-H and row headers 1-6. For example the upper left parti...
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Abstract
The technology relates to depositing free-standing electrical devices on a substrate and electrically connecting two or more of the free-standing electrical devices with the aid of a bendable scoring lines. These bendable scoring lines allow the thin-film substrate to be bended, or folded, to form a specific shape. Electrical devices include electrochromic devices or solid state batteries.
Description
RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 61 / 859,633, filed Jul. 29, 2013, entitled “BENDABLE SCORING LINES IN SOLID STATE BATTERIES,” and U.S. Provisional Application No. 61 / 974,932, filed Apr. 3, 2014, entitled “FABRICATION OF BENDABLE SCORING LINES IN SOLID STATE BATTERIES,” which applications are incorporated herein by reference in its entirety.INTRODUCTION[0002]This application generally relates to thin-film electrical devices. Thin-film electrical devices include electrochromic devices and solid state batteries. Electrochromic devices are used in a variety of applications including privacy doors and windows. Solid state batteries are used in a variety of applications such as medical devices, vehicle technologies, and other electrical devices.[0003]With respect to batteries, one metric for a battery is its capacity, which is expressed in a value of amp-hours. The capacity is related to the volume of the electrode materials...
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IPC IPC(8): H01M10/36B23K26/382H01M10/04H01M6/46H01M6/40
CPCH01M10/36H01M6/46B23K2201/36H01M10/045B23K26/382H01M6/40B32B37/24B32B38/0004B32B2037/246B32B2038/045B32B2457/10B23K26/38H01M10/0436B23K26/0622B23K2101/16B23K2101/42B23K2103/166B23K2103/50B32B2038/047B32B2307/202B32B2307/204Y02E60/10Y02P70/50B32B2363/00B23K2101/36
Inventor BERLAND, BRIAN SPENCERSTOWELL, MICHAEL WAYNEBANKS, JONATHAN MICHAELSPRANGERS, CALVIN ROGERCOLCLASURE, ANDREW
Owner ITN ENERGY SYST INC