What question did this study set out to answer?

To explore the interfacial chemistry in anode-free lithium metal batteries and the role of pre-solid electrolyte interphase in improving performance.

February 2, 2026Advanced MaterialsOpen Access

Unveiling the Hidden Interface: Pre‐SEI Governs Li Morphology in Anode‐Free Li Metal Batteries

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Authors

HYHyunmin YoonKwangwoon University DKDaehyun KimTokyo Institute of Technology CCChiwon ChoiKwangwoon University

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Implication

The study reveals that pre-solid electrolyte interphase improves stability in anode-free lithium metal batteries, indicating a key design principle for energy storage systems.

Key Points

To explore the interfacial chemistry in anode-free lithium metal batteries and the role of pre-solid electrolyte interphase in improving performance.
Examination of electrolyte composition effects on Cu surface during resting stages.
Identification of aggregated anion–cation complexes formation and their impact on Li nucleation.
Analysis of dendritic growth and lithium loss in different SEI conditions.
Pre-solid electrolyte interphase enhances uniform lithium nucleation and reduces dendritic growth.
Presence of pre-SEI significantly improves cycling stability compared to conditions without it.
Rapid capacity decay is observed when dendritic lithium accumulates in the absence of pre-SEI even with rich SEI layers.

Cite This Study

Yoon et al. (2026) studied this question.

synapsesocial.com/papers/6980fecbc1c9540dea811227 https://doi.org/10.1002/adma.202521411

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February 2, 2026Advanced MaterialsOpen Access

Unveiling the Hidden Interface: Pre‐SEI Governs Li Morphology in Anode‐Free Li Metal Batteries

View Full Paper

Ask AI

Bookmark

Authors

HYHyunmin YoonKwangwoon University DKDaehyun KimTokyo Institute of Technology CCChiwon ChoiKwangwoon University

Discussion

Member takes

Implication

The study reveals that pre-solid electrolyte interphase improves stability in anode-free lithium metal batteries, indicating a key design principle for energy storage systems.

Key Points

To explore the interfacial chemistry in anode-free lithium metal batteries and the role of pre-solid electrolyte interphase in improving performance.
Examination of electrolyte composition effects on Cu surface during resting stages.
Identification of aggregated anion–cation complexes formation and their impact on Li nucleation.
Analysis of dendritic growth and lithium loss in different SEI conditions.
Pre-solid electrolyte interphase enhances uniform lithium nucleation and reduces dendritic growth.
Presence of pre-SEI significantly improves cycling stability compared to conditions without it.
Rapid capacity decay is observed when dendritic lithium accumulates in the absence of pre-SEI even with rich SEI layers.

Cite This Study

Yoon et al. (2026) studied this question.

synapsesocial.com/papers/6980fecbc1c9540dea811227 https://doi.org/10.1002/adma.202521411

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