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Electrolyte Compositions Reduce Thermal Propagation in Lithium-Ion Batteries

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Published December 3rd, 2025
Detected March 27th, 2026
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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)

← USPTO Patent Applications

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

View original document →

Named provisions

LOWER FLAMMABILITY ELECTROLYTE COMPOSITIONS

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
USPTO
Published
December 3rd, 2025
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US20260088470A1

Who this affects

Applies to
Manufacturers
Industry sector
3341 Computer & Electronics Manufacturing
Activity scope
Battery Technology Development
Geographic scope
United States US

Taxonomy

Primary area
Energy
Operational domain
Research & Development
Topics
Product Safety Technology

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