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Hybrid Polymer Electrolyte Encased Cathode Particles Interface-Based Core–Shell Structure for High-Performance Room Temperature All-Solid-State Batteries

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F23%3A43924607" target="_blank" >RIV/60461373:22310/23:43924607 - isvavai.cz</a>

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/10.1002/aenm.202202981" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/aenm.202202981</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/aenm.202202981" target="_blank" >10.1002/aenm.202202981</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Hybrid Polymer Electrolyte Encased Cathode Particles Interface-Based Core–Shell Structure for High-Performance Room Temperature All-Solid-State Batteries

  • Original language description

    A smooth interfacial contact between electrode and electrolyte, alleviation of dendrite formation, low internal resistance, and preparation of thin electrolyte (&lt;20 µm) are the key challenging tasks in the practical application of Li7La3Zr2O12 (LLZO)-based solid-state batteries (SSBs). This paper develops a unique strategy to reduce interfacial resistance by designing an interface-based core–shell structure via direct integration of Al-LLZO ceramic nanofibers incorporated poly(vinylidene fluoride)/LiTFSI on the surface of a porous cathode electrode (HPEIC). This yields an ultrathin solid polymer electrolyte with a thickness of 7 µm. The integrated HPEIC/Li SSB with LiFePO4/C exhibits an initial specific capacity of 166 mAh g−1 at 0.1 C and 159 mAh g−1 with capacity retention of 100% after 120 cycles at 0.5 C (25 °C). The HPEIC/Li SSB with LiNi0.8Mn0.1Co0.1O2 cathode delivers a good discharge capacity of 134 mAh g−1 after 120 cycles at 0.5 C. The rational design of interface-based core–shell structure outperforms the conventional assembly of solid-state cells using free-standing solid electrolytes in specific capacity, internal resistance, and rate performance. The proposed strategy is simple, cost-effective, robust, and scalable manufacturing, which is essential for the practical applicability of SSBs. © 2022 The Authors. Advanced Energy Materials published by Wiley-VCH GmbH.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    ADVANCED ENERGY MATERIALS

  • ISSN

    1614-6832

  • e-ISSN

  • Volume of the periodical

    13

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    18

  • Pages from-to

  • UT code for WoS article

    000892023900001

  • EID of the result in the Scopus database

    2-s2.0-85142911021