Gel electrolyte composition for batteries and packaging method

The integration of a robust polymer electrolyte into batteries addresses limitations of conventional electrolytes by enhancing stability, flexibility, and structural integrity, achieving high cycle durability and reduced flammability, suitable for flexible and form-fit batteries.

JP2026505953APending Publication Date: 2026-02-20ANTHRO ENERGY INC
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Patent Information

Application Number
JP2025540936
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-02-16
Filing Date
2024-02-16
Publication Date
2026-02-20

AI Technical Summary

Technical Problem

Existing battery technologies are limited by the limitations of conventional electrolytes, which hinder advancements in energy density, safety, flexibility, and structural integrity, particularly in portable devices.

Method used

Incorporation of a robust, ionically conductive polymer electrolyte into batteries through a composition and method that involves preparing polymer electrolyte precursor solutions, infiltrating battery components, and activating them to polymerize, forming a gel-based electrolyte that provides improved stability, flexibility, and structural integrity.

Benefits of technology

The polymer electrolyte composition enhances battery performance by maintaining 80% capacity after 1000 cycles, enabling flexible batteries that can be folded thousands of times with minimal capacity loss, and reduces flammability and leakage, while providing superior interfacial stability and ionic conductivity.

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Abstract

The method can include receiving a gel electrolyte precursor solution including a polymer precursor (e.g., a monomer or oligomer), an initiator, and a plasticizer; adding the gel electrolyte precursor solution to the battery stack; thoroughly distributing the gel electrolyte precursor solution throughout the battery stack; and curing the gel electrolyte precursor to form a covalently bonded gel electrolyte network interspersed throughout the battery stack.
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