2021年
Kinetic analysis and alloy designs for metal/metal fluorides toward high rate capability for all-solid-state fluoride-ion batteries
Journal of Materials Chemistry A
- 巻
- 9
- 号
- 11
- 開始ページ
- 7018
- 終了ページ
- 7024
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1039/d0ta12055c
- 出版者・発行元
- ROYAL SOC CHEMISTRY
New concepts for electrochemical energy storage devices are required to handle the physicochemical energy density limit that Li-ion batteries are approaching. All-solid-state fluoride-ion batteries (FIBs), in which monovalent fluoride anions are employed as charge carriers, are regarded as attractive options, and metallic Cu has been proved to be a promising cathode material. However, the rate capability is currently low and kinetic factors associated with the Cu/CuF reaction are not clearly understood, and the rate-determining step has not yet been identified. Herein, we present the kinetic analyses of a Cu thin-film cathode with a phase-boundary-controlled one-dimensional phase transition processviathe Kolmogorov-Johnson-Mehl-Avrami equation. Concerning the capacity fading caused by the repeated volume expansion/contraction and the consequent interfacial contact loss, a Cu-Au alloy with a reduced lattice mismatch was designed and verified to be efficient to enable fast phase-transition kinetics along with stable cyclabilities, which opens new possibilities in cathode design for all-solid-state FIBs. 2
- リンク情報
-
- DOI
- https://doi.org/10.1039/d0ta12055c
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000632069500035&DestApp=WOS_CPL
- URL
- http://www.scopus.com/inward/record.url?eid=2-s2.0-85102983208&partnerID=MN8TOARS
- Scopus Citedby
- https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=85102983208&origin=inward
- ID情報
-
- DOI : 10.1039/d0ta12055c
- ISSN : 2050-7496
- ISSN : 2050-7488
- eISSN : 2050-7496
- ORCIDのPut Code : 93473091
- SCOPUS ID : 85102983208
- Web of Science ID : WOS:000632069500035