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Herein, a silicone\/dielectric radiative cooling compound is introduced that is both self\u2010healing and crack\u2010resistant, developed through the synthesis of a dynamic and crack\u2010resistant polymer\/dielectric hydrogen bond network. This network incorporates boron nitride dielectrics, which serve as sunlight scatterers and hydrogen bond acceptors, with customized silicone polymer featuring high atmospheric window emissive chain segments and UV\u2013vis\u2010NIR transparent hydrogen bond moieties. When cracks form, the polymer's chain mobility allows the hydrogen bond moieties in boron nitride and silicone to re\u2010associate, realizing self\u2010healing of cracks from micrometers to millimeters wide and restoring cooling performance to \u2248100%. The combination of rigid boron nitride and sacrificial hydrogen bonds in polymer also enhances the materials\u2019 fracture energy to 865%, effectively preventing further crack propagation under stress through autonomous crack blunting and deflection. These remarkable characteristics make this radiative cooling compound highly suited for increasingly complex, dynamic, and prolonged outdoor application environments.<\/jats:p>","DOI":"10.1002\/adma.202500738","type":"journal-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T01:19:15Z","timestamp":1741742355000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Crack\u2010Resistant and Self\u2010Healable Passive Radiative Cooling Silicone Compounds"],"prefix":"10.1002","volume":"37","author":[{"given":"Cong","family":"Guo","sequence":"first","affiliation":[{"name":"College of Polymer Science and Engineering National Key Laboratory of Advanced Polymer Materials Sichuan University  Chengdu 610065 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chuanlong","family":"Li","sequence":"additional","affiliation":[{"name":"College of Polymer Science and Engineering National Key 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