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Herein, the highly stable electrocatalyst of N\u2010doped carbon dots\u2010PtNi (NCDs\u2010PtNi) aerogels is proposed by confining NCDs with alloyed PtNi for methanol oxidation and oxygen reduction reactions. Comprehensive electrocatalytic measurements and theoretical investigations suggest the improvement in structure stability and regulation in electronic structure for better electrocatalytic durability when confining NCDs with PtNi aerogels. Notably, the NCDs\u2010PtNi aerogels perform 12\u2010fold higher activity than that of Pt\/C and maintain 52% of their initial activity after 5000 cycles toward acidic methanol oxidation. The enhanced stability and activity of NCDs\u2010PtNi aerogels are also evident for oxygen reduction reactions in different electrolytes. These results highlight the effectiveness of stabilizing metallic aerogels with NCDs, offering a feasible pathway to develop robust electrocatalysts for fuel cells.<\/jats:p>","DOI":"10.1002\/smll.202400158","type":"journal-article","created":{"date-parts":[[2024,2,28]],"date-time":"2024-02-28T14:14:57Z","timestamp":1709129697000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Confining N\u2010Doped Carbon Dots into PtNi Aerogels Skeleton for Robust Electrocatalytic Methanol Oxidation and Oxygen Reduction"],"prefix":"10.1002","volume":"20","author":[{"given":"Lanqing","family":"Li","sequence":"first","affiliation":[{"name":"State Key Laboratory of Solidification Processing School of Materials Science and Engineering Northwestern Polytechnical University  Xi'an 710072 P. R. China"},{"name":"Chongqing Innovation Center Northwestern Polytechnical University  Chongqing 401135 P. R. 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