journal article·2026Open access

High cyclic reversibility in eutectic lithium calcium anodes characterised by electron microscopy

Ed Darnbrough, Sreejith Olakkil Veedu, Zhuojun Hou, Myra Ng, Jack Aspinall, Chris Grovenor, Peter D. Nellist, David E. J. Armstrong

Journal of Materials Chemistry A· Volume 14· Issue 36

Abstract

Microscopy shows Li leaving and re-entering a 3D Li–Ca eutectic electrode structure, thus suppressing dendrite formation. Asymmetric cycling routines highlight the differences in the anodic and cathodic behaviour of the electrode during a half-cycle.
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Research context

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced Battery Technologies Research

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Affiliations

Materials Department, University of Oxford, Oxford, UK

Funding

Faraday Institution · UK Research and Innovation · University of Oxford · Henry Royce Institute

References (22)

Show source-provided references
1. Viswanathan · Nature · 2022 · 601 · 51910.1038/s41586-021-04139-1 ↗
2. Lin · Nat. Nanotechnol. · 2017 · 12 · 19410.1038/nnano.2017.16 ↗
3. Gallagher · Energy Environ. Sci. · 2014 · 7 · 155510.1039/c3ee43870h ↗
4. Bieker · Phys. Chem. Chem. Phys. · 2015 · 17 · 867010.1039/C4CP05865H ↗
5. Aurbach · J. Power Sources · 2000 · 89 · 20610.1016/S0378-7753(00)00431-6 ↗
6. Yang · Nat. Commun. · 2015 · 61 · 1
7. Xiang · Adv. Energy Mater. · 2018 · 8 · 180235210.1002/aenm.201802352 ↗
8. Jia · Electrochim. Acta · 2019 · 309 · 46010.1016/j.electacta.2019.04.054 ↗
9. Jia · J. Mater. Chem. A · 2019 · 7 · 2237710.1039/C9TA08798B ↗
10. Xu · Nano Lett. · 2020 · 20 · 41810.1021/acs.nanolett.9b04111 ↗
11. Bale · J. Phase Equilib. · 1987 · 8 · 12510.1007/BF02873196 ↗
12. Fauteux · J. Appl. Electrochem. · 1993 · 23 · 110.1007/BF00241568 ↗
13. Debessai · Phys. Rev. B:Condens. Matter Mater. Phys. · 2008 · 78 · 21451710.1103/PhysRevB.78.214517 ↗
14. Wang · Adv. Mater. · 2023 · 35 · 220676210.1002/adma.202206762 ↗
15. Qian · Nat. Commun. · 2015 · 61 · 636210.1038/ncomms7362 ↗
16. R. F.Egerton , Phys. Princ. Electron Microsc. An Introd. to TEM, SEM, AEM , 2nd edn, 2016 , pp. 1–19610.1007/978-3-319-39877-8 ↗
17. Wood · ACS Cent. Sci. · 2016 · 2 · 79010.1021/acscentsci.6b00260 ↗
18. Chen · J. Mater. Chem. A · 2017 · 5 · 1167110.1039/C7TA00371D ↗
19. Yuan · J. Cryst. Growth · 2006 · 290 · 62110.1016/j.jcrysgro.2005.12.122 ↗
20. K.Persson , Materials Data on Li2Ca (SG:194) by Materials Project , 2016
21. J. W.Arblaster , Selected Values of the Crystallographic Properties of Elements , ASM International , 2018
22. M.Pasta , J.Aspinall and F.Shen , et al., High Diffusivity Lithium Intermetallic in Two-Phase Alloy Negative Electrode for Solid-State Batteries , Research Square , 2025 , Preprint (Version 1), 10.21203/rs.3.rs-6759455/v110.21203/rs.3.rs-6759455/v1 ↗