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In this work, three\u2010dimensional (3D) stretchable MSCs with an octet\u2010truss electrode (OTE) design have been demonstrated by a rapid digital light processing (DLP) process. The 3D\u2010printed electrode structure is beneficial for electrode\u2010electrolyte interface formation and consequently increases the number of ions adsorbed on the electrode surface. The designed MSCs can achieve a high capacitance as \u224874.76 mF cm<jats:sup>\u22123<\/jats:sup> under 1\u00a0mA cm<jats:sup>\u22123<\/jats:sup> at room temperature even under a high mechanical deformation, and can achieve 19.53 mF cm<jats:sup>\u22123<\/jats:sup> under 0.1\u00a0mA cm<jats:sup>\u22123<\/jats:sup> at a low temperature (\u221230\u00a0\u00b0C). Moreover, finite element analysis (FEA) reveals the OTE structure provides 8 times more contact area per unit volume at the electrode\u2010electrolyte interface compared to the traditional interdigital electrode (IDE). This work combines structural design and 3D printing techniques, which provides new insights into highly stretchable MSCs for next\u2010generation electronic devices.<\/jats:p>","DOI":"10.1002\/smll.202207634","type":"journal-article","created":{"date-parts":[[2023,2,3]],"date-time":"2023-02-03T05:01:51Z","timestamp":1675400511000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Low\u2010Temperature Resistant Stretchable Micro\u2010Supercapacitor Based on 3D Printed Octet\u2010Truss Design"],"prefix":"10.1002","volume":"19","author":[{"given":"Congjian","family":"Lin","sequence":"first","affiliation":[{"name":"Digital Manufacturing and Design Centre Singapore University of Technology and Design  8 Somapah Road Singapore 487372 Singapore"}]},{"given":"Yuan\u2010Fang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shien\u2010Ming Wu School of Intelligent Engineering South China University of Technology  Guangzhou 511442 P. 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China"}]},{"given":"Dingjie","family":"Lu","sequence":"additional","affiliation":[{"name":"Institute of High Performance Computing Agency for Science Technology and Research  1 Fusionopolis Way Singapore 138632 Singapore"}]},{"given":"Arlindo","family":"Silva","sequence":"additional","affiliation":[{"name":"Digital Manufacturing and Design Centre Singapore University of Technology and Design  8 Somapah Road Singapore 487372 Singapore"}]},{"given":"Zhuangjian","family":"Liu","sequence":"additional","affiliation":[{"name":"Institute of High Performance Computing Agency for Science Technology and Research  1 Fusionopolis Way Singapore 138632 Singapore"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2244-8231","authenticated-orcid":false,"given":"Hui Ying","family":"Yang","sequence":"additional","affiliation":[{"name":"Digital Manufacturing and Design Centre Singapore University of Technology and Design  8 Somapah Road Singapore 487372 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