Selective coating via surface roughness modulation on battery anodes

TW202638495APending Publication Date: 2026-09-16ALBEMARLE CORP
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Patent Information

Application Number
TW114148155
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-12-10
Filing Date
2025-12-09
Publication Date
2026-09-16

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Patent Text Reader

Abstract

A process is described to selectively coat an alkali metal or alkali metal alloy onto a battery electrode substrate. The process includes roughening at least a first portion of a substrate to a first average roughness range that prevents adherence of a coating comprising a molten lithium or other alkali metal or alkali metal alloy. The coating is adhered to a portion of the substrate that is not roughened to the first average roughness range and is not adhered to the first portion of the anode substate. The portion to which the coating does not adhere has an average roughness range that is between
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