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Journal article
A Comb-Chain Cross-Linker-Based Network Solid Polymer Electrolyte for All-Solid-State Sodium-Metal Batteries
ACS applied energy materials, v 8(18), pp 13959-13969
11 Sep 2025
Featured in Collection : Research Supported by Drexel Libraries' OA Programs
Abstract
All-solid-state sodium-metal batteries (SMBs) utilizing solid polymer electrolytes (SPEs) have gained considerable research interest due to the potentially enhanced safety, lower cost, and sustainable sodium supply compared to lithium metal. However, sodium’s high reactivity makes it prone to dendrite and orphaned metal formation, reducing its capacity and efficiency. In this work, we report a comb-chain cross-linker-based network SPE for all-solid-state SMBs. The high-functionality macromolecular cross-linker offers excellent overall mechanical properties of the SPE. The polymer network exhibited an impressive elongation at break of 181% and a high toughness of 1.6 MJ m–3. These excellent mechanical properties, combined with good ionic conductivity and processability, enable ultrathin SPE separators and contribute to the superb dendrite resistance and full cell performance of the SPE. Na|SPE|Na symmetric cells achieved a cycle life of ∼4248 h at 0.5 mA cm–2 and 1 mAh cm–2, while Na|SPE|P2-type Na2/3[Ni1/3Mn2/3]O2 composite cathode full cells displayed 80.6% capacity retention after 700 cycles at 1C, both of which are the highest reported values among SPE-based all-solid-state SMBs. This excellent performance was attributed to the combined mechanical and electrochemical properties of the SPE.
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Details
- Title
- A Comb-Chain Cross-Linker-Based Network Solid Polymer Electrolyte for All-Solid-State Sodium-Metal Batteries
- Creators
- William Ridgely Fullerton - Drexel University, Materials Science and EngineeringHaoruo Liu - University of PennsylvaniaDavid N. Agyeman-Budu - SLAC National Accelerator LaboratoryJintao Fu - University of PennsylvaniaMohamed H. Hassan - University of PennsylvaniaMark C StaubEric Detsi - University of PennsylvaniaJohanna Nelson Weker - SLAC National Accelerator LaboratoryChristopher Li (Corresponding Author) - Drexel University, Materials Science and Engineering
- Publication Details
- ACS applied energy materials, v 8(18), pp 13959-13969
- Publisher
- ACS Publications
- Number of pages
- 11
- Grant note
- Division of Chemical, Bioengineering, Environmental, and Transport Systems: ECCS-2026822 National Science Foundation
We are grateful for support from the National Science Foundation through Grants NSF-FMRG-2134715 and CBET 2430632. Part of this work (X-ray microtomography) was performed at the Stanford Nano Shared Facilities (SNSF) RRID:SCR_023230, supported by the National Science Foundation under Award ECCS-2026822. The authors thank all current and past members of the NSF FMRG team from UPenn, Brown, Drexel, UMass, and Stanford for their input during our monthly discussions.
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:001569342700001
- Scopus ID
- 2-s2.0-105016726966
- Other Identifier
- 991022092655704721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Chemistry, Physical
- Energy & Fuels
- Materials Science, Multidisciplinary