Tear-Based Aqueous Batteries for Smart Contact Lenses Enabled by Prussian Blue Analogue Nanocomposites

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dc.contributor.authorYun, Jeonghunko
dc.contributor.authorZeng, Yongpengko
dc.contributor.authorKim, Moobumko
dc.contributor.authorGao, Caitianko
dc.contributor.authorKim, Yeongaeko
dc.contributor.authorLu, Luko
dc.contributor.authorKim, Tony Tae-Hyoungko
dc.contributor.authorZhao, Wentingko
dc.contributor.authorBae, Tae-Hyunko
dc.contributor.authorLee, Seok Wooko
dc.date.accessioned2021-03-22T06:10:15Z-
dc.date.available2021-03-22T06:10:15Z-
dc.date.created2021-03-22-
dc.date.created2021-03-22-
dc.date.issued2021-02-
dc.identifier.citationNANO LETTERS, v.21, no.4, pp.1659 - 1665-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10203/281724-
dc.description.abstractBatteries for contact lenses fabricated by conventional methods could cause severe damage to the eyes if broken. Herein, we present flexible aqueous batteries that operate in tears and provide a safe power supply to smart contact lenses. Nanocomposite flexible electrodes of carbon nanotubes and Prussian blue analogue nanoparticles for cathode and anode were embedded in UV-polymerized hydrogel as not only a soft contact lens but also an ion-permeable separator. The battery exhibited a discharging capacity of 155 mu Ah in an aqueous electrolyte of 0.15 M Na-ions and 0.02 M K-ions, equivalent to the ionic concentration of tears. The power supply was enough to operate a low-power static random-access memory. In addition, we verified the mechanical stability, biocompatibility and compatibility with a contact lens cleaning solution. It could ultimately enable a safe power supply for smart contact lenses without risk of injury due to the leakage or breakage of the battery.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleTear-Based Aqueous Batteries for Smart Contact Lenses Enabled by Prussian Blue Analogue Nanocomposites-
dc.typeArticle-
dc.identifier.wosid000624334100014-
dc.identifier.scopusid2-s2.0-85101916804-
dc.type.rimsART-
dc.citation.volume21-
dc.citation.issue4-
dc.citation.beginningpage1659-
dc.citation.endingpage1665-
dc.citation.publicationnameNANO LETTERS-
dc.identifier.doi10.1021/acs.nanolett.0c04362-
dc.contributor.localauthorBae, Tae-Hyun-
dc.contributor.nonIdAuthorYun, Jeonghun-
dc.contributor.nonIdAuthorZeng, Yongpeng-
dc.contributor.nonIdAuthorKim, Moobum-
dc.contributor.nonIdAuthorGao, Caitian-
dc.contributor.nonIdAuthorKim, Yeongae-
dc.contributor.nonIdAuthorLu, Lu-
dc.contributor.nonIdAuthorKim, Tony Tae-Hyoung-
dc.contributor.nonIdAuthorZhao, Wenting-
dc.contributor.nonIdAuthorLee, Seok Woo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorsafe batteries-
dc.subject.keywordAuthoraqueous batteries-
dc.subject.keywordAuthorflexible batteries-
dc.subject.keywordAuthortear electrolyte-
dc.subject.keywordAuthorsmart contact lenses-
dc.subject.keywordAuthornanocomposite-
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