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Solid-phase Synthesis of [4.4] Spirocyclic Oximes
Published on: February 6, 2019
Mapping the reduction-resistant solution components: ethers confirmed, tertiary amines revealed.
M A Orekhov1,2, S A Kislenko1,2
1Joint Institute for High Temperatures of the Russian Academy of Sciences (JIHT RAS), Izhorskaya st. 13 Bd. 2, Moscow, 125412, Russia. maksim.orekhov@phystech.edu.
Tertiary amines, not just ethers, are highly reduction-resistant components for lithium metal anodes. This discovery broadens options for electrolyte engineering and functional additives in advanced battery technologies.
Area of Science:
- Materials Science
- Electrochemistry
- Computational Chemistry
Background:
- Lithium metal anodes require electrolyte components resistant to reduction.
- Ethers are currently the primary focus for reduction-resistant electrolyte additives.
Purpose of the Study:
- To identify new classes of reduction-resistant molecules for lithium metal anodes.
- To evaluate the potential of tertiary amines as electrolyte components.
Main Methods:
- High-throughput quantum chemical screening of molecules.
- Literature-based electrochemical analysis.
- Lithium contact reflectometry for interfacial reactivity.
Main Results:
- Ethers are confirmed as dominant reduction-resistant molecules.
- Tertiary amines identified as the second-largest class of reduction-resistant components.
- Experimental data validates low interfacial reactivity of tertiary amines.
Conclusions:
- Tertiary amines are a promising, overlooked class of reduction-resistant materials for lithium metal batteries.
- These findings expand the scope of electrolyte engineering for improved battery performance and stability.
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