QuantumScape has patented new solid-state lithium conducting electrolytes for secondary and traction batteries. The patent includes specific chemical compositions and methods for making these ion conductors, useful as membrane separators in rechargeable batteries. The electrolyte is characterized by specific x-ray powder diffraction patterns. GlobalData’s report on QuantumScape gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on QuantumScape, Hydrogen storage alloys was a key innovation area identified from patents. QuantumScape's grant share as of May 2024 was 16%. Grant share is based on the ratio of number of grants to total number of patents.
Solid-state lithium conducting electrolyte for rechargeable batteries
A recently granted patent (Publication Number: US11984551B2) discloses an innovative electrolyte composition for use in energy storage devices. The electrolyte is characterized by a specific chemical formula LixPySzIt, where x ranges from 5 to 12, y from 1 to 3, z from 5 to 9, and t from 0.1 to 2. The electrolyte exhibits unique properties, including an x-ray powder diffraction (XRD) pattern with primary peaks at 20°±1° and 29°±1° (2T), with specific full-width at half-maximum (FWHM) values for these peaks. Additionally, the electrolyte may be semiamorphous and can include components such as LiI and Li2S, while also being compatible with various polymers for enhanced performance.
Moreover, the patent covers the application of this electrolyte in thin film technology, where the electrolyte can form thin films with precise thickness ranging from 10 nm to 100 µm. These thin films exhibit specific surface roughness characteristics, making them suitable for various energy storage applications. The electrolyte composition described in the patent claims is essential for achieving optimal performance in energy storage devices, offering a unique combination of chemical properties and structural characteristics that set it apart from conventional electrolytes.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
