Source link : https://tech365.info/engineered-interface-layer-extends-life-and-enhances-security-of-next-generation-lithium-metal-batteries/
Credit score: Ulsan Nationwide Institute of Science and Know-how
A analysis crew affiliated with UNIST has unveiled a novel floor processing method that prolongs the lifespan of lithium-metal batteries (LMBs) whereas decreasing explosion danger.
The crew, led by Professor Hyeon Jeong Lee and Professor Seung Geol Lee from the Division of Supplies Science and Engineering at UNIST, in collaboration with Professor Ji Hoon Lee’s crew from Kyungpook Nationwide College, has devised a gas-phase response technique that modifies the electrode floor of LMBs. This expertise chemically reacts with the native passivation layer on lithium (Li) steel, eradicating it and concurrently forming a secure, protecting strong electrolyte interphase (SEI) layer.
The paper is revealed within the journal ACS Nano.
LMBs, which make the most of Li steel because the anode as a substitute of graphite, are thought of next-generation power storage options on account of their excessive power density—probably doubling the driving vary of electrical autos. Nonetheless, the unstable native passivation layer on the lithium floor impedes uniform lithium deposition, shortens battery lifespan, and promotes dendrite development throughout charging, which will increase the chance of thermal runaway and explosions.
The analysis crew innovated a gas-solid response course of utilizing fluoroalkyl silane, which allows the elimination of the native oxide and carbonate-based passivation…
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Author : tech365
Publish date : 2025-05-26 15:46:00
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