A lithium/polysulfide battery with dual-working mode enabled by liquid fuel and acrylate-based gel polymer electrolyte

Liu, M; Ren, Y; Zhou, D; Jiang, H; Kang, F; Zhao, T

A lithium/polysulfide battery with dual-working mode enabled by liquid fuel and acrylate-based gel polymer electrolyte

Liu, M Ren, Y Zhou, D

Jiang, H Kang, F Zhao, T

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Publication Type:: Journal Article
Citation:: ACS Applied Materials and Interfaces, 2017, 9 (3), pp. 2526 - 2534
Issue Date:: 2017-01-25

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Field	Value	Language
dc.contributor.author	Liu, M	en_US
dc.contributor.author	Ren, Y	en_US
dc.contributor.author	Zhou, D https://orcid.org/0000-0002-2578-7124	en_US
dc.contributor.author	Jiang, H	en_US
dc.contributor.author	Kang, F	en_US
dc.contributor.author	Zhao, T	en_US
dc.date.issued	2017-01-25	en_US
dc.identifier.citation	ACS Applied Materials and Interfaces, 2017, 9 (3), pp. 2526 - 2534	en_US
dc.identifier.issn	1944-8244	en_US
dc.identifier.uri	http://hdl.handle.net/10453/121494
dc.description.abstract	© 2016 American Chemical Society. The low density associated with low sulfur areal loading in the solid-state sulfur cathode of current Li-S batteries is an issue hindering the development of this type of battery. Polysulfide catholyte as a recyclable liquid fuel was proven to enhance both the energy density and power density of the battery. However, a critical barrier with this lithium (Li)/polysulfide battery is that the shuttle effect, which is the crossover of polysulfides and side deposition on the Li anode, becomes much more severe than that in conventional Li-S batteries with a solidstate sulfur cathode. In this work, we successfully applied an acrylatebased gel polymer electrolyte (GPE) to the Li/polysulfide system. The GPE layer can effectively block the detrimental diffusion of polysulfides and protect the Li metal from the side passivation reaction. Cathodestatic batteries utilizing 2 M catholyte (areal sulfur loading of 6.4 mg cm-2) present superior cycling stability (727.4 mAh g-1 after 500 cycles at 0.2 C) and high rate capability (814 mAh g-1 at 2 C) and power density (∼10 mW cm-2), which also possess replaceable and encapsulated merits for mobile devices. In the cathode-flow mode, the Li/polysulfide system with catholyte supplied from an external tank demonstrates further improved power density (∼69 mW cm-2) and stable cycling performance. This novel and simple Li/polysulfide system represents a significant advancement of high energy density sulfur-based batteries for future power sources.	en_US
dc.relation.ispartof	ACS Applied Materials and Interfaces	en_US
dc.relation.isbasedon	10.1021/acsami.6b14311	en_US
dc.subject.classification	Nanoscience & Nanotechnology	en_US
dc.title	A lithium/polysulfide battery with dual-working mode enabled by liquid fuel and acrylate-based gel polymer electrolyte	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	9	en_US
utslib.for	0904 Chemical Engineering	en_US
utslib.for	0303 Macromolecular and Materials Chemistry	en_US
utslib.for	0306 Physical Chemistry (incl. Structural)	en_US
utslib.for	03 Chemical Sciences	en_US
utslib.for	09 Engineering	en_US
pubs.embargo.period	Not known	en_US
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
utslib.copyright.status	closed_access
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	9	en_US

Abstract:

© 2016 American Chemical Society. The low density associated with low sulfur areal loading in the solid-state sulfur cathode of current Li-S batteries is an issue hindering the development of this type of battery. Polysulfide catholyte as a recyclable liquid fuel was proven to enhance both the energy density and power density of the battery. However, a critical barrier with this lithium (Li)/polysulfide battery is that the shuttle effect, which is the crossover of polysulfides and side deposition on the Li anode, becomes much more severe than that in conventional Li-S batteries with a solidstate sulfur cathode. In this work, we successfully applied an acrylatebased gel polymer electrolyte (GPE) to the Li/polysulfide system. The GPE layer can effectively block the detrimental diffusion of polysulfides and protect the Li metal from the side passivation reaction. Cathodestatic batteries utilizing 2 M catholyte (areal sulfur loading of 6.4 mg cm-2) present superior cycling stability (727.4 mAh g-1 after 500 cycles at 0.2 C) and high rate capability (814 mAh g-1 at 2 C) and power density (∼10 mW cm-2), which also possess replaceable and encapsulated merits for mobile devices. In the cathode-flow mode, the Li/polysulfide system with catholyte supplied from an external tank demonstrates further improved power density (∼69 mW cm-2) and stable cycling performance. This novel and simple Li/polysulfide system represents a significant advancement of high energy density sulfur-based batteries for future power sources.

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http://hdl.handle.net/10453/121494