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10.1039/d5nr03918e http://scihub22266oqcxt.onion/10.1039/d5nr03918e 41355747!?!41355747 Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=41355747&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215       Nanoscale 2025 ; ? (?): ? Nephropedia Template TP {{tp|p=41355747|t=2025. Synergistically promoting proton-coupled electron transfer of oxygen reduction with dual atomic sites on high-curvature carbon onions for highly efficient Zn-air batteries |pdf=|usr=}}{{41355747}} gab.com Text Synergistically promoting proton-coupled electron transfer of oxygen reduction with dual atomic sites on high-curvature carbon onions for highly efficient Zn-air batteries JO: Nanoscale http://www.kidney.de/pget.php?&tw=1&pmid=41355747 #FOAvip The oxygen reduction reaction is significantly important for metal-air batteries, yet the sluggish reaction kinetics limited by slow proton-coupled electron transfer has hindered their further application. Here, dual Cr and Fe atoms are incorporated into a high-curvature carbon nano-onion (Onion-CrFe(DSA)) to demonstrate significantly synergistic regulation of proton generation and transfer from the dual catalytic centers. The electrochemical measurements confirmed that the dual-site configuration in Onion-CrFe(DSA) could enhance the ORR performance with a half-wave potential of 0.916 V and a kinetic current density of 26.45 mA cm(-2). Besides, a high turnover frequency (TOF) of 7.44 s(-1) together with a high mass activity of 51.42 A mg(Fe)(-1) are also achieved for the as-obtained dual atomic catalysts. A series of operando techniques, combined with density functional theory calculations, revealed that Cr atoms mainly contribute to water dissociation and proton transfer, while Fe atoms predominantly catalyze oxygen reduction and intermediate conversion. Moreover, the Onion-CrFe(DSA)-assembled aqueous and quasi-solid zinc-air batteries achieve impressively high maximum power densities of 314.7 mW cm(-2) and 163.3 mW cm(-2), representing a top-tier Fe-based ORR catalyst. This work proposes a feasible way to enhance the ORR performance by engineering adjacent catalytic centers to cooperatively mediate the proton-coupled electron transfer. Twit Text FOAVip Synergistically promoting proton-coupled electron transfer of oxygen reduction with dual atomic sites on high-curvature carbon onions for highly efficient Zn-air batteries ????Nanoscale http://www.kidney.de/pget.php?&tw=1&pmid=41355747 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=41355747 #FOAvip English Wikipedia <ref>{{Cite pmid|41355747}}</ref> Synergistically promoting proton-coupled electron transfer of oxygen reduction with dual atomic sites on high-curvature carbon onions for highly efficient Zn-air batteries #MMPMID41355747 Lin Y; Wang Q; Zheng R; Geng B; Bao Y; Ke A; Wang C; Liu H; Liu X; Shan L; Yang L; Song L Nanoscale 2025[Dec]; ? (?): ? PMID41355747show ga The oxygen reduction reaction is significantly important for metal-air batteries, yet the sluggish reaction kinetics limited by slow proton-coupled electron transfer has hindered their further application. Here, dual Cr and Fe atoms are incorporated into a high-curvature carbon nano-onion (Onion-CrFe(DSA)) to demonstrate significantly synergistic regulation of proton generation and transfer from the dual catalytic centers. The electrochemical measurements confirmed that the dual-site configuration in Onion-CrFe(DSA) could enhance the ORR performance with a half-wave potential of 0.916 V and a kinetic current density of 26.45 mA cm(-2). Besides, a high turnover frequency (TOF) of 7.44 s(-1) together with a high mass activity of 51.42 A mg(Fe)(-1) are also achieved for the as-obtained dual atomic catalysts. A series of operando techniques, combined with density functional theory calculations, revealed that Cr atoms mainly contribute to water dissociation and proton transfer, while Fe atoms predominantly catalyze oxygen reduction and intermediate conversion. Moreover, the Onion-CrFe(DSA)-assembled aqueous and quasi-solid zinc-air batteries achieve impressively high maximum power densities of 314.7 mW cm(-2) and 163.3 mW cm(-2), representing a top-tier Fe-based ORR catalyst. This work proposes a feasible way to enhance the ORR performance by engineering adjacent catalytic centers to cooperatively mediate the proton-coupled electron transfer. ?Synergistically promoting proton-coupled electron transfer of oxygen r(epmc).pdf DeepDyve Pubget Overpricing