{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T14:20:08Z","timestamp":1790000408032,"version":"4.0.1"},"reference-count":64,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T00:00:00Z","timestamp":1789948800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T00:00:00Z","timestamp":1789948800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52302127"],"award-info":[{"award-number":["52302127"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004735","name":"Natural Science Foundation of Hunan Province","doi-asserted-by":"publisher","award":["2023JJ30632"],"award-info":[{"award-number":["2023JJ30632"]}],"id":[{"id":"10.13039\/501100004735","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004735","name":"Natural Science Foundation of Hunan Province","doi-asserted-by":"publisher","award":["2025JJ20045"],"award-info":[{"award-number":["2025JJ20045"]}],"id":[{"id":"10.13039\/501100004735","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2022YFC2204403"],"award-info":[{"award-number":["2022YFC2204403"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Biomass\u2010derived carbon aerogels have attracted considerable interest for lightweight microwave\u2010absorption owing to their hierarchical porosity and renewability. While the structural anisotropy of natural wood is well recognized, its consequences for electromagnetic response remain largely unexplored. Herein, we utilize SiO\n                    <jats:sub>2<\/jats:sub>\n                    aerogel\u2010incorporated wood\u2010derived carbon sponge as a model system to investigate its electromagnetic anisotropy in the axial, radial, and tangential directions. Governed by the aligned cellular architecture, a robust permittivity ordering (tangential &gt; radial &gt; axial) is revealed. Notably, the composite exhibits pronounced anisotropic absorption: the tangential direction achieves a minimum reflection loss of \u221264.1\u00a0dB, the radial direction delivers an ultra\u2010broadband effective absorption bandwidth of 11.6\u00a0GHz (covering the entire X and Ku bands) at a thickness of only 4.95\u00a0mm, and the axial direction also maintains strong absorption, with the overall performance surpassing most biomass\u2010derived carbon aerogels at comparable thicknesses. The composite also reveals a low thermal conductivity of \u223c0.04\u00a0W\/(m\u00b7K) and anisotropic compressibility. This work clarifies the intrinsic structure\u2010electromagnetic\u2010mechanical\u2010thermal correlations in anisotropic wood carbon sponges and offers a bioinspired paradigm for advanced lightweight stealth materials with concurrent thermal insulation.\n                  <\/jats:p>","DOI":"10.1002\/advs.77888","type":"journal-article","created":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T13:51:04Z","timestamp":1789998664000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Wood Carbon Sponge\/SiO\n                    <sub>2<\/sub>\n                    Aerogel Composites with Anisotropic Broadband Microwave Absorption, Elastic Resilience, and Thermal Insulation"],"prefix":"10.1002","author":[{"given":"Shuo","family":"Sun","sequence":"first","affiliation":[{"name":"Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"},{"name":"Hunan Provincial Key Laboratory of High\u2010Speed Aerodynamic Metamaterials  Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhimeng","family":"Zhao","sequence":"additional","affiliation":[{"name":"Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"},{"name":"Hunan Provincial Key Laboratory of High\u2010Speed Aerodynamic Metamaterials  Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weikai","family":"Zhan","sequence":"additional","affiliation":[{"name":"Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"},{"name":"Hunan Provincial Key Laboratory of High\u2010Speed Aerodynamic Metamaterials  Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yonggang","family":"Jiang","sequence":"additional","affiliation":[{"name":"Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"},{"name":"Hunan Provincial Key Laboratory of High\u2010Speed Aerodynamic Metamaterials  Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fengqi","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-3000-9108","authenticated-orcid":false,"given":"Yijie","family":"Hu","sequence":"additional","affiliation":[{"name":"Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"},{"name":"Hunan Provincial Key Laboratory of High\u2010Speed Aerodynamic Metamaterials  Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6844-8950","authenticated-orcid":false,"given":"Junzong","family":"Feng","sequence":"additional","affiliation":[{"name":"Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"},{"name":"Hunan Provincial Key Laboratory of High\u2010Speed Aerodynamic Metamaterials  Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Feng","sequence":"additional","affiliation":[{"name":"Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering National University of Defense Technology  Changsha People's Republic of China"},{"name":"Hunan Provincial Key Laboratory of High\u2010Speed Aerodynamic Metamaterials  Changsha People's Republic of 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