{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T13:00:47Z","timestamp":1790254847069,"version":"4.1.0"},"reference-count":40,"publisher":"Wiley","issue":"43","license":[{"start":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T00:00:00Z","timestamp":1759881600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T00:00:00Z","timestamp":1759881600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100007287","name":"Resnick Sustainability Institute for Science, Energy and Sustainability, California Institute of Technology","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007287","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Advancements in additive manufacturing (AM) enable the precise engineering of micro\u2010architected electrodes with enhanced electrochemical and mechanical properties. Existing AM approaches for fabricating lithium\u2010ion battery cathodes rely on extrusion\u2010based direct ink\u2010writing, which is usually limited to 150\u2013200 \u00b5m resolution, or vat photopolymerization (VP) 3D printing with metal salt solution, which is limited in material choices due to the complicated photoresin design and printing parameter optimization. A gel infusion AM technique is introduced to fabricate micro\u2010architected cathodes, using lithium cobalt oxide (LCO) as a model prototype, which utilizes VP 3D printing with a \u201cblank\u201d photoresin to circumvent these limitations. The synthesized micro\u2010architected LCO electrodes are free\u2010standing and binder\u2010free, with beam diameters below 50 \u00b5m and tunable microstructure and mechanical resilience. The nanoindentation modulus of differently oriented LCO grains varies between 148.4 and 286.6 GPa, with no grain boundary weakening. This electrode gives a reversible capacity of 122\u2013142 mAh g\n                    <jats:sup>\u22121<\/jats:sup>\n                    (11.3\u201313.2 mAh cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    ) up to a current density of 28 mA g\n                    <jats:sup>\u22121<\/jats:sup>\n                    (2.6 mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    ). This method is adaptable for a broad range of cathode materials, which opens a promising pathway to fabricate micro\u2010architected electrodes with fully controllable form factors, versatile material choices, and micro\u2010sized resolution for future energy storage\u00a0solutions.\n                  <\/jats:p>","DOI":"10.1002\/advs.202513312","type":"journal-article","created":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T21:14:07Z","timestamp":1759958047000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Micro\u2010Architected Lithium Cobalt Oxide"],"prefix":"10.1002","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7028-3523","authenticated-orcid":false,"given":"Yuchun","family":"Sun","sequence":"first","affiliation":[{"name":"Division of Engineering and Applied Science California Institute of Technology Pasadena CA 91125 USA"},{"name":"Kavli Nanoscience Institute California Institute of Technology Pasadena CA 91125 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julia R.","family":"Greer","sequence":"additional","affiliation":[{"name":"Division of Engineering and Applied Science California Institute of Technology Pasadena CA 91125 USA"},{"name":"Kavli Nanoscience Institute California Institute of Technology Pasadena CA 91125 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