{"id":987,"date":"2025-08-25T12:38:01","date_gmt":"2025-08-25T04:38:01","guid":{"rendered":"https:\/\/graphene.nus.edu.sg\/barbaros\/?post_type=publication&#038;p=987"},"modified":"2025-10-23T15:24:01","modified_gmt":"2025-10-23T07:24:01","slug":"adjustable-sic-interfacial-layers-toward-reliable-si-based-anode-applications","status":"publish","type":"publication","link":"https:\/\/graphene.nus.edu.sg\/barbaros\/publication\/adjustable-sic-interfacial-layers-toward-reliable-si-based-anode-applications\/","title":{"rendered":"Adjustable SiC interfacial layers toward reliable Si-based anode applications"},"content":{"rendered":"<p><span>The incorporation of a SiC interfacial layer has been recognized as an effective strategy to tackle the interface contact issue between Si and carbon, ensuring the structural integrity of Si-based anodes and thereby enhancing their cycling stability. However, its inherent low activity and poor conductivity pose a persistent challenge for maximizing capacity and facilitating ion and electron transport. Here, we present a thickness\/content adjustable SiC interfacial layer in the Si\u2013SiC\u2013C heterostructure using a modified spark plasma sintering technique. The SiC layer, with a content of \u223c10%, is discretely coated on the surface of the Si core, exerting minimal influence on capacity and ion\/electron kinetics, while ensuring high electrode structural stability. Consequently, the Si-based anode exhibits a stable capacity of 582 mAh g<\/span><small><sup>\u22121<\/sup><\/small><span>\u00a0(0.1 A g<\/span><small><sup>\u22121<\/sup><\/small><span>) and good rate capability (324 mAh g<\/span><small><sup>\u22121<\/sup><\/small><span>\u00a0at 2 A g<\/span><small><sup>\u22121<\/sup><\/small><span>), while maintaining 80% capacity retention over 500 cycles with a low electrode swelling of 12.6%. More importantly, its capacity presents a continuous rising trend with the increase of the cycle number, suggesting a mechanism where the SiC interfacial layer gradually transforms into a Li-ion-rich phase. This transformation facilitates ion transport and reaction with Si, resulting in gradual capacity enhancement. Therefore, the reasonably thickness-regulated SiC interfacial layer holds promise for providing inspiration for the design of commercial Si-based anodes.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pubs.rsc.org\/en\/Image\/Get?imageInfo.ImageType=GA&amp;imageInfo.ImageIdentifier.ManuscriptID=D5NH00338E&amp;imageInfo.ImageIdentifier.Year=2025\" alt=\"Graphical abstract: Adjustable SiC interfacial layers toward reliable Si-based anode applications\" class=\"aligncenter\" \/><\/p>\n<p>This work is with several international collaborators. For more details, please refer to this <a href=\"https:\/\/pubs.rsc.org\/en\/content\/articlelanding\/2025\/nh\/d5nh00338e\">link<\/a>.<\/p>\n","protected":false},"featured_media":988,"comment_status":"open","ping_status":"closed","template":"","publication_taxonomy":[5],"class_list":["post-987","publication","type-publication","status-publish","has-post-thumbnail","hentry","publication_taxonomy-research"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Adjustable SiC interfacial layers toward reliable Si-based anode applications - Barbaros Group<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/graphene.nus.edu.sg\/barbaros\/publication\/adjustable-sic-interfacial-layers-toward-reliable-si-based-anode-applications\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Adjustable SiC interfacial layers toward reliable Si-based anode applications - 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