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The Impact of Boron Compounds on the Structure and Ionic Conductivity of LATP Solid Electrolytes

Materials · Ağustos 2024

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The Impact of Boron Compounds on the Structure and Ionic Conductivity of LATP Solid Electrolytes
Materials · 2024 SCI-Expanded
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Makale Bilgileri

DergiMaterials
Yayın TarihiAğustos 2024
Cilt / Sayfa17
DOI10.3390/ma17153846
Scopus ID2-s2.0-85200866360
Erişim🔓 Açık Erişim
Özet The increasing demand for safe and high-energy-density battery systems has led to intense research into solid electrolytes for rechargeable batteries. One of these solid electrolytes is the NASICON-type Li1+xAlxTi2−x(PO4)3 (LATP) material. In this study, different boron compounds (10% B2O3 doped, 10% H3BO3 doped, and 5% B2O3 + 5% H3BO3 doped) were doped at total 10 wt.% into the Ti4+ sites of an LATP solid electrolyte to investigate the structural properties and ionic conductivity of solid electrolytes using the solid-state synthesis method. Characterization of the synthesized samples was conducted using X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), and electrochemical impedance spectroscopy (EIS). The XRD patterns of the boron-doped LATP (LABTP) samples show that the samples have a rhombohedral phase with space group R (Formula presented.) c together and low amounts of impurity phases. While all the LABTP samples exhibited similar ionic conductivity values of around 10−4 S cm−1, the LABTP2 sample doped with 10 wt.% H3BO3 demonstrated the highest ionic conductivity. These findings suggest that varying B3+ ion doping strategies in LATP can significantly advance the development of solid electrolytes for all-solid-state lithium-ion batteries.

Yazarlar (7)

1
Fatih Öksüzoğlu
ORCID: 0000-0003-0869-2606
2
Şule Ateş
3
Osman Murat Özkendir
4
Gültekin Çelik
5
Yasin Eker
6
Hadi Baveghar
7
Mohamed A. Mohamed
ORCID: 0000-0001-8473-8253

Anahtar Kelimeler

boron doping crystal structure ionic conductivity LATP solid electrolyte

Kurumlar

Department of Precision and Microsystems Engineering, TU Delft
Delft Netherlands
Necmettin Erbakan Üniversitesi
Meram Turkey
Selçuk Üniversitesi
Selçuklu Turkey
Solar and Space Research Department
Helwan Egypt
Tarsus University
Tarsus Turkey

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