Tin negative electrodes using an FSA-based ionic liquid electrolyte: improved performance of potassium secondary batteries

In this study, submicron-sized tin particles were used as the negative electrode material for potassium secondary batteries. With a bis(fluorosulfonyl)amide-based ionic liquid electrolyte, K[FSA]-[C 3 C 1 pyrr][FSA], the tin negative electrodes showed improved capacity retention of over 170 mA h (g-...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 56; no. 17; pp. 2538 - 2541
Main Authors Yamamoto, Takayuki, Nohira, Toshiyuki
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 27.02.2020
Subjects
Electrode materials
Electrodes
Electrolytes
Ionic liquids
Ions
Potassium
Room temperature
Storage batteries
Tin
Tin base alloys
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Summary:In this study, submicron-sized tin particles were used as the negative electrode material for potassium secondary batteries. With a bis(fluorosulfonyl)amide-based ionic liquid electrolyte, K[FSA]-[C 3 C 1 pyrr][FSA], the tin negative electrodes showed improved capacity retention of over 170 mA h (g-Sn) −1 after 100 cycles at room temperature. Tin negative electrodes exhibited improved performance in an FSA-based ionic liquid electrolyte for potassium secondary batteries.
Bibliography:Electronic supplementary information (ESI) available: Experimental details, summary table of K-Sn alloy phases, GITT measurements, charge-discharge test at 313 K, and rate capability at 298 K. See DOI
10.1039/d0cc00209g
ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc00209g