What question did this study set out to answer?

To resolve the planar defect landscape in graphite anodes and determine how specific structural defect topologies govern lithium insertion pathways and electrochemical performance.

August 15, 2026Advanced Energy MaterialsOpen Access

Defect Topology Governs Lithiation Pathways in Graphite Anodes

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Authors

JSJon Serrano-Sevillano DNDavid Nuñez MJMaría Jáuregui

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Overview

Operando diffraction reveals that specific defect topologies dictate lithium insertion pathways in graphite anodes, indicating that local defect structure governs electrochemical capacity.

Key Points

To resolve the planar defect landscape in graphite anodes and determine how specific structural defect topologies govern lithium insertion pathways and electrochemical performance.
Examined industrially relevant graphite samples combining high-resolution synchrotron X-ray diffraction with FAULTS-based structural analysis of planar defects.
Performed operando diffraction measurements to track phase evolution and structural pathways during dynamic lithium insertion.
Lithium insertion initiates preferentially in stacking-faulted and 3R-related rhombohedral intergrowths rather than in ideal hexagonal 2H graphite regions.
Turbostratic interlayers do not participate in early lithium uptake and directly correlate with reduced reversible capacity.

Cite This Study

Serrano-Sevillano et al. (2026) studied this question.

synapsesocial.com/papers/6a80194675c2e31742c85616 https://doi.org/10.1002/aenm.71430

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August 15, 2026Advanced Energy MaterialsOpen Access

Defect Topology Governs Lithiation Pathways in Graphite Anodes

View Full Paper

Ask AI

Bookmark

Authors

JSJon Serrano-Sevillano DNDavid Nuñez MJMaría Jáuregui

Discussion

Member takes

Overview

Operando diffraction reveals that specific defect topologies dictate lithium insertion pathways in graphite anodes, indicating that local defect structure governs electrochemical capacity.

Key Points

To resolve the planar defect landscape in graphite anodes and determine how specific structural defect topologies govern lithium insertion pathways and electrochemical performance.
Examined industrially relevant graphite samples combining high-resolution synchrotron X-ray diffraction with FAULTS-based structural analysis of planar defects.
Performed operando diffraction measurements to track phase evolution and structural pathways during dynamic lithium insertion.
Lithium insertion initiates preferentially in stacking-faulted and 3R-related rhombohedral intergrowths rather than in ideal hexagonal 2H graphite regions.
Turbostratic interlayers do not participate in early lithium uptake and directly correlate with reduced reversible capacity.

Cite This Study

Serrano-Sevillano et al. (2026) studied this question.

synapsesocial.com/papers/6a80194675c2e31742c85616 https://doi.org/10.1002/aenm.71430

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