Advanced Materials, volume 34, issue 4, pages 2104666

Challenges and Strategies towards Practically Feasible Solid‐State Lithium Metal Batteries

Kyungho Yoon 1
Sun Young Lee 1
Kyungbae Oh 1
Kisuk Kang 2, 3, 4, 5
Publication typeJournal Article
Publication date2021-11-07
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor29.4
ISSN09359648, 15214095
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Remarkable improvement of the ionic conductivity of inorganic solid electrolytes (SEs) exceeding 10 mS cm−1 at room temperature has opened up the opportunities to realize the commercialization of solid-state batteries (SSBs). The transition to the intrinsically inflammable SEs also promises that SSBs would successfully utilize lithium metal anode thus achieving the high-energy-density lithium metal batteries without the risk of a safety hazard. However, the practical operation of solid-state lithium metal batteries (SSLMBs) still faces the challenges of the poor cycle stability and the low energy efficiency, which are coupled with the interface stability and even with the dendrite growth of lithium metal. This article overviews current understandings regarding the underlying origins of the issues in employing the lithium metal anode in SSLMBs from the five main standpoints: i) the chemical/electrochemical interfacial stability, ii) the microscopic evolution of interfacial morphology, iii) the intrinsic diffusivity of lithium atom/vacancy at the interface, iv) imperfections (defect/pores), and v) non-negligible electronic conductivity of SEs. The discussions are followed on the state-of-the-art efforts and strategies to overcome these respective challenges. Finally, the authors provide their perspectives for the future research directions toward achieving the commercial level of high-energy SSLMBs.

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Yoon K. et al. Challenges and Strategies towards Practically Feasible Solid‐State Lithium Metal Batteries // Advanced Materials. 2021. Vol. 34. No. 4. p. 2104666.
GOST all authors (up to 50) Copy
Yoon K., Lee S. Y., Oh K., Kang K. Challenges and Strategies towards Practically Feasible Solid‐State Lithium Metal Batteries // Advanced Materials. 2021. Vol. 34. No. 4. p. 2104666.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/adma.202104666
UR - https://doi.org/10.1002/adma.202104666
TI - Challenges and Strategies towards Practically Feasible Solid‐State Lithium Metal Batteries
T2 - Advanced Materials
AU - Yoon, Kyungho
AU - Oh, Kyungbae
AU - Kang, Kisuk
AU - Lee, Sun Young
PY - 2021
DA - 2021/11/07 00:00:00
PB - Wiley
SP - 2104666
IS - 4
VL - 34
SN - 0935-9648
SN - 1521-4095
ER -
BibTex |
Cite this
BibTex Copy
@article{2021_Yoon,
author = {Kyungho Yoon and Kyungbae Oh and Kisuk Kang and Sun Young Lee},
title = {Challenges and Strategies towards Practically Feasible Solid‐State Lithium Metal Batteries},
journal = {Advanced Materials},
year = {2021},
volume = {34},
publisher = {Wiley},
month = {nov},
url = {https://doi.org/10.1002/adma.202104666},
number = {4},
pages = {2104666},
doi = {10.1002/adma.202104666}
}
MLA
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MLA Copy
Yoon, Kyungho, et al. “Challenges and Strategies towards Practically Feasible Solid‐State Lithium Metal Batteries.” Advanced Materials, vol. 34, no. 4, Nov. 2021, p. 2104666. https://doi.org/10.1002/adma.202104666.
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