Electrolyte Compositions Reduce Thermal Propagation in Lithium-Ion Batteries
Summary
The USPTO has published a patent application detailing new electrolyte compositions designed to reduce thermal propagation in lithium-ion batteries. The application, filed by inventors from an unnamed entity, focuses on specific electrolyte additives and solvents for use in energy storage devices, potentially including those with Si-based electrodes.
What changed
This document is a published patent application (US20260088470A1) from the USPTO concerning novel electrolyte compositions for lithium-ion batteries. The invention aims to reduce thermal propagation, a critical safety concern in battery technology. The disclosed compositions include specific electrolyte additives and/or solvents, and the application notes their potential use in energy storage devices, including those with Si-based electrodes.
While this is a patent application and not a regulatory rule, it signals technological advancements relevant to manufacturers in the battery and energy storage sectors. Compliance officers in these industries should be aware of emerging technologies that may influence future product safety standards or market trends. No immediate compliance actions are required, but monitoring patent filings in key technology areas can inform R&D and product development strategies.
Source document (simplified)
LOWER FLAMMABILITY ELECTROLYTE COMPOSITIONS
Application US20260088470A1 Kind: A1 Mar 26, 2026
Inventors
Daniel Sylvinson Muthiah Ravinson, Heidi Anderson, Chang Wook Kim, Benjamin Yong Park
Abstract
Electrolyte compositions comprising electrolyte additives and/or solvents for reduction of thermal propagation in lithium-ion batteries are disclosed. Energy storage devices comprising the electrolyte compositions comprise a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode may be a Si-based electrode, a separator between the first electrode and the second electrode, and the electrolyte composition.
CPC Classifications
H01M 50/581 H01M 4/386 H01M 10/0525 H01M 10/0567 H01M 10/0568 H01M 10/0569 H01M 10/058 H01M 10/4235 H01M 10/658 H01M 10/659 H01M 10/6595 H01M 2200/10 H01M 2300/004 H01M 2300/0051
Filing Date
2025-12-03
Application No.
19407320
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