A Lithium Intrusion-Blocking Interfacial Shield for Wide-Pressure-Range Solid-State Lithium Metal Batteries.

Hu, X; Yu, J; Wang, Y; Guo, W; Zhang, X; Armand, M; Kang, F; Wang, G; Zhou, D; Li, B

A Lithium Intrusion-Blocking Interfacial Shield for Wide-Pressure-Range Solid-State Lithium Metal Batteries.

Hu, X Yu, J Wang, Y Guo, W Zhang, X Armand, M Kang, F Wang, G

Zhou, D Li, B

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Publisher:: WILEY-V C H VERLAG GMBH
Publication Type:: Journal Article
Citation:: Adv Mater, 2024, 36, (7), pp. e2308275
Issue Date:: 2024-02

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Field	Value	Language
dc.contributor.author	Hu, X
dc.contributor.author	Yu, J
dc.contributor.author	Wang, Y
dc.contributor.author	Guo, W
dc.contributor.author	Zhang, X
dc.contributor.author	Armand, M
dc.contributor.author	Kang, F
dc.contributor.author	Wang, G https://orcid.org/0000-0003-4295-8578
dc.contributor.author	Zhou, D
dc.contributor.author	Li, B
dc.date.accessioned	2024-11-21T23:02:56Z
dc.date.available	2024-11-21T23:02:56Z
dc.date.issued	2024-02
dc.identifier.citation	Adv Mater, 2024, 36, (7), pp. e2308275
dc.identifier.issn	0935-9648
dc.identifier.issn	1521-4095
dc.identifier.uri	http://hdl.handle.net/10453/182028
dc.description.abstract	Lithium garnets are considered as promising solid-state electrolytes for next-generation solid-state Li metal batteries (SSLBs). However, the Li intrusion driven by external stack pressure triggers premature of Li metal batteries. Herein, for the first time, an in situ constructed interfacial shield is reported to efficiently inhibit the pressure-induced Li intrusion in SSLBs. Theoretical modeling and experimental investigations reveal that high-hardness metallic Mo nanocrystals inside the shield effectively suppress Li dendrite growth without alloy hardening-derived interfacial contact deterioration. Meanwhile the electrically insulated Li2 S as a shield component considerably promotes interfacial wettability and hinders Li dendrite penetration into the bulk of garnet electrolyte. Interfacial shield-protected Li6.4 La3 Zr1.4 Ta0.6 O12 (LLZTO)-based cells exhibit significantly enhanced cyclability without short circuits under conventional pressures of ≈0.2 MPa and even at high pressure of up to 70 MPa; which is the highest endurable stack pressure reported for SSLBs using garnet electrolytes. These key findings are expected to promote the wide-pressure-range applications of SSLBs.
dc.format	Print-Electronic
dc.language	eng
dc.publisher	WILEY-V C H VERLAG GMBH
dc.relation	http://purl.org/au-research/grants/arc/IH180100020
dc.relation	http://purl.org/au-research/grants/arc/DP210101389
dc.relation	http://purl.org/au-research/grants/arc/LP200200926
dc.relation	http://purl.org/au-research/grants/arc/DP230101579
dc.relation	University of Technology Sydney
dc.relation.ispartof	Adv Mater
dc.relation.isbasedon	10.1002/adma.202308275
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	02 Physical Sciences, 03 Chemical Sciences, 09 Engineering
dc.subject.classification	Nanoscience & Nanotechnology
dc.subject.classification	34 Chemical sciences
dc.subject.classification	40 Engineering
dc.subject.classification	51 Physical sciences
dc.title	A Lithium Intrusion-Blocking Interfacial Shield for Wide-Pressure-Range Solid-State Lithium Metal Batteries.
dc.type	Journal Article
utslib.citation.volume	36
utslib.location.activity	Germany
utslib.for	02 Physical Sciences
utslib.for	03 Chemical Sciences
utslib.for	09 Engineering
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Science
pubs.organisational-group	University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
pubs.organisational-group	University of Technology Sydney/UTS Groups
pubs.organisational-group	University of Technology Sydney/UTS Groups/Centre for Clean Energy Technology (CCET)
utslib.copyright.status	closed_access	*
dc.date.updated	2024-11-21T23:02:54Z
pubs.issue	7
pubs.publication-status	Published
pubs.volume	36
utslib.citation.issue	7

Abstract:

Lithium garnets are considered as promising solid-state electrolytes for next-generation solid-state Li metal batteries (SSLBs). However, the Li intrusion driven by external stack pressure triggers premature of Li metal batteries. Herein, for the first time, an in situ constructed interfacial shield is reported to efficiently inhibit the pressure-induced Li intrusion in SSLBs. Theoretical modeling and experimental investigations reveal that high-hardness metallic Mo nanocrystals inside the shield effectively suppress Li dendrite growth without alloy hardening-derived interfacial contact deterioration. Meanwhile the electrically insulated Li2 S as a shield component considerably promotes interfacial wettability and hinders Li dendrite penetration into the bulk of garnet electrolyte. Interfacial shield-protected Li6.4 La3 Zr1.4 Ta0.6 O12 (LLZTO)-based cells exhibit significantly enhanced cyclability without short circuits under conventional pressures of ≈0.2 MPa and even at high pressure of up to 70 MPa; which is the highest endurable stack pressure reported for SSLBs using garnet electrolytes. These key findings are expected to promote the wide-pressure-range applications of SSLBs.

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http://hdl.handle.net/10453/182028