Journal
ADVANCED ENERGY MATERIALS
Volume 7, Issue 8, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201602096
Keywords
digital image correlation (DIC); polystyrene-block-polyisoprene-block-polystyrene (SIS); printable electronics; rechargeable Zn-Ag2O batteries; stretchable electronics
Categories
Funding
- Advanced Research Projects Agency-Energy [DE-AR0000535]
- National Science Foundation Graduate Research Fellowship [DGE-1144086]
- National Science Foundation [ECCS-1542148]
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While several stretchable batteries utilizing either deterministic or random composite architectures have been described, none have been fabricated using inexpensive printing technologies. In this study, the authors printed a highly stretchable, zinc-silver oxide (Zn-Ag2O) battery by incorporating polystyrene-block-polyisoprene-block-polystyrene (SIS) as a hyperelastic binder for custom-made printable inks. The remarkable mechanical properties of the SIS binder lead to an all-printed, stretchable Zn-Ag2O rechargeable battery with a approximate to 2.5 mA h cm(-2) reversible capacity density even after multiple iterations of 100% stretching. This battery offers the highest reversible capacity and discharge current density for intrinsically stretchable batteries reported to date. The electrochemical and mechanical properties are characterized under different strain conditions. The new stress-enduring printable inks pave ways for further developing stretchable electronics for the wide range of wearable applications.
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