Materials Today, volume 64, pages 52-60

Achieving stable all-solid-state lithium-metal batteries by tuning the cathode-electrolyte interface and ionic/electronic transport within the cathode

Publication typeJournal Article
Publication date2023-04-01
Journal: Materials Today
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor24.2
ISSN13697021
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
All-solid-state batteries with sulfide electrolytes and high-nickel layered oxide cathodes attract much interest due to their high specific energy. However, their cycling performance is primarily influenced by the interface between the sulfide electrolyte and the high-Ni layered oxide particles, which requires the use of composite cathodes with high ionic and electronic conductivities to achieve a kinetically stable interface inside the cathode. Here, we apply Ti2O3 particles to the high-Ni cathode LiNi0.8Co0.1Mn0.1O2 (NCM811), where Ti2O3 not only acts as an electronic conductor to provide a fast diffusion path for electrons in the composite cathode, but also absorbs the lattice oxygen released from NCM811 cathode during cycling, stabilizing the Li6PS5Cl/NCM811 interface and suppressing electrolyte oxidation. The as-modified cathode exhibits an initial specific capacity of 192 mAh g−1 and retains 166 mAh g−1 after 140 cycles at 0.1C rate with a good capacity retention of 86.5%. Furthermore, the composite cathode displays high rate capability even at 1C rate. By contrast, the unmodified Li6PS5Cl/NCM811 cathode shows poor cycling performance with only 130 mAh g−1 remaining after 130 cycles. This work provides a new direction for the design of cathodes for all-solid-state batteries that can deliver high specific energy with long cycle life.

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Fang R. et al. Achieving stable all-solid-state lithium-metal batteries by tuning the cathode-electrolyte interface and ionic/electronic transport within the cathode // Materials Today. 2023. Vol. 64. pp. 52-60.
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Fang R., Liu Y., Li Y., Manthiram A., Goodenough J. B. Achieving stable all-solid-state lithium-metal batteries by tuning the cathode-electrolyte interface and ionic/electronic transport within the cathode // Materials Today. 2023. Vol. 64. pp. 52-60.
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RIS Copy
TY - JOUR
DO - 10.1016/j.mattod.2023.03.001
UR - https://doi.org/10.1016/j.mattod.2023.03.001
TI - Achieving stable all-solid-state lithium-metal batteries by tuning the cathode-electrolyte interface and ionic/electronic transport within the cathode
T2 - Materials Today
AU - Fang, Ruyi
AU - Liu, Yijie
AU - Li, Y.
AU - Manthiram, Arumugam
AU - Goodenough, John B.
PY - 2023
DA - 2023/04/01 00:00:00
PB - Elsevier
SP - 52-60
VL - 64
SN - 1369-7021
ER -
BibTex
Cite this
BibTex Copy
@article{2023_Fang,
author = {Ruyi Fang and Yijie Liu and Y. Li and Arumugam Manthiram and John B. Goodenough},
title = {Achieving stable all-solid-state lithium-metal batteries by tuning the cathode-electrolyte interface and ionic/electronic transport within the cathode},
journal = {Materials Today},
year = {2023},
volume = {64},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.mattod.2023.03.001},
pages = {52--60},
doi = {10.1016/j.mattod.2023.03.001}
}
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