Lithiated Prussian blue analogues as positive electrode active materials for stable non-aqueous lithium-ion batteries

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dc.contributor.authorZhang, Zen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorChen, Hen_AU
dc.contributor.authorYin, Wen_AU
dc.contributor.authorKan, WHen_AU
dc.contributor.authorHe, Gen_AU
dc.date.accessioned2024-03-01T01:29:00Zen_AU
dc.date.available2024-03-01T01:29:00Zen_AU
dc.date.issued2022-12-16en_AU
dc.date.statistics2024-03-01en_AU
dc.description.abstractPrussian blue analogues (PBAs) are appealing active materials for post-lithium electrochemical energy storage. However, PBAs are not generally suitable for non-aqueous Li-ion storage due to their instability upon prolonged cycling. Herein, we assess the feasibility of PBAs with various lithium content for non-aqueous Li-ion storage. We determine the crystal structure of the lithiated PBAs via neutron powder diffraction measurements and investigate the influence of water on structural stability and Li-ion migration through operando X-ray diffraction measurements and bond valence simulations. Furthermore, we demonstrate that a positive electrode containing Li2-xFeFe(CN)6⋅nH2O (0 ≤ x ≤ 2) active material coupled with a Li metal electrode and a LiPF6-containing organic-based electrolyte in coin cell configuration delivers an initial discharge capacity of 142 mAh g−1 at 19 mA g−1 and a discharge capacity retention of 80.7% after 1000 cycles at 1.9 A g−1. By replacing the lithium metal with a graphite-based negative electrode, we also report a coin cell capable of cycling for more than 370 cycles at 190 mA g−1 with a stable discharge capacity of about 105 mAh g−1 and a discharge capacity retention of 98% at 25 °C. © The Authors CC 4.0en_AU
dc.description.sponsorshipThis work was supported by the National Key Research and Development Program of China (2019YFA0205700), the National Natural Science Foundation of China (51602219); Tianjin Municipal Science and Technology Commission (No. 17JCYBJC42000); W.H.K. acknowledges the National Natural Science Foundation of China (11805034, 21704105, and U1930102), and the Natural Science Foundation of Guangdong Province (2017A030313021). The authors gratefully acknowledge the beamtime in ECHIDNA granted from Australian Centre for Neutron Scattering (ACNS) in ANSTO.en_AU
dc.format.mediumElectronicen_AU
dc.identifier.articlenumber7790en_AU
dc.identifier.citationZhang, Z., Avdeev, M., Chen, H., Yin, W., Kan, W. H., & He, G. (2022). Lithiated Prussian blue analogues as positive electrode active materials for stable non-aqueous lithium-ion batteries. Nature Communications, 13(1), 7790. doi:10.1038/s41467-022-35376-1en_AU
dc.identifier.issn2041-1723en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleNature Communicationsen_AU
dc.identifier.pagination7790-en_AU
dc.identifier.urihttp://dx.doi.org/10.1038/s41467-022-35376-1en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15519en_AU
dc.identifier.volume13en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherSpringer Natureen_AU
dc.subjectLithiumen_AU
dc.subjectElectrodesen_AU
dc.subjectLithium ion batteriesen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectMeasuring instrumentsen_AU
dc.subjectMaterialsen_AU
dc.subjectIronen_AU
dc.titleLithiated Prussian blue analogues as positive electrode active materials for stable non-aqueous lithium-ion batteriesen_AU
dc.typeJournal Articleen_AU
dcterms.dateAccepted2022-11-29en_AU
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