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dc.contributor.authorZhang, Haozheen_US
dc.contributor.authorXiong, Tingen_US
dc.contributor.authorZhou, Tianzhuen_US
dc.contributor.authorZhang, Xiaoen_US
dc.contributor.authorWang, Yuntianen_US
dc.contributor.authorZhou, Xuhuien_US
dc.contributor.authorWei, Leien_US
dc.identifier.citationZhang, H., Xiong, T., Zhou, T., Zhang, X., Wang, Y., Zhou, X. & Wei, L. (2022). Advanced fiber-shaped aqueous Zn ion battery integrated with strain sensor. ACS Applied Materials & Interfaces, 14(36), 41045-41052.
dc.description.abstractMultifunctional batteries have attracted increasing attention, offering additional functionalities beyond the conventional batteries. Herein, we report a fiber-shaped Zn ion battery that not only acts as a high-performance power supply, but also provides sensing function to monitor human motions. Titanium fiber coated with α-MnO2 nanoflowers is exploited as cathode for fiber-shaped Zn ion battery, taking full advantage of such unique three-dimensional nanoflower structures of α-MnO2 with a large electrochemical active surface area and fast electrochemical reaction kinetics. Thus, the obtained fiber-shaped Zn ion battery shows high capacity of 280 mAh g-1 at 0.1 A g-1, resulting in a notable energy density of 396 Wh kg-1, good stability (capacity retention of 80.6% after 300 cycles), and high flexibility. As a demonstration, an electronic watch and five LEDs are successfully driven by two fiber-shaped Zn ion batteries. Furthermore, the fiber-shaped Zn ion battery is integrated with a strain sensor based on the carbon nanotube/polydimethylsiloxane film, offering good sensitivity to monitor motions of different body parts, such as wrist, finger, elbow, and knee. This work provides insights into multifunctional battery applications for the next-generation wearable electronics.en_US
dc.description.sponsorshipAgency for Science, Technology and Research (A*STAR)en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relationIAF-ICP I2001E0067en_US
dc.relation.ispartofACS Applied Materials & Interfacesen_US
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © 2022 American Chemical Society, after peer review and technical editing by the publisher. To access the final edited and published work see
dc.titleAdvanced fiber-shaped aqueous Zn ion battery integrated with strain sensoren_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.versionSubmitted/Accepted versionen_US
dc.subject.keywordsZn Ion Batteriesen_US
dc.subject.keywordsFiber-Shaped Batteriesen_US
dc.subject.keywordsα-MnO2 Nanoflowersen_US
dc.subject.keywordsStrain Sensorsen_US
dc.subject.keywordsHigh Performanceen_US
dc.description.acknowledgementThis work was supported by the Singapore Ministry of Education Academic Research Fund Tier 2 (MOE2019-T2-2-127 and MOE-T2EP50120-0002), A*STAR under AME IRG (A2083c0062), and the Singapore National Research Foundation Competitive Research Program (NRF-CRP18-2017-02). This work was supported by A*STAR under its IAF-ICP Programme I2001E0067 and the Schaeffler Hub for Advanced Research at NTU. This work was also supported by NTU-PSL Joint Lab collaboration.en_US
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