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Jang, Boo‐Jae; Zhao, Qiannan; Baek, Jae‐Hoon; Seo, Jeong‐Min; Jeon, Jong‐Pil; Kweon, Do Hyung; Han, Gao‐Feng; Xu, Chaohe; Baek, Jong‐Beom
Advanced functional materials, 11/2023, Letnik: 33, Številka: 47Journal Article
Fluorinated carbon materials (FCMs) have received significant attention, because of their exceptional stability, which is associated with the strong C‐F bonding, the strongest among carbon single bonds. However, the fluorination of carbon materials requires extremely toxic and moisture‐sensitive reagents, which makes it inapplicable for practical uses. Here, a straightforward and relatively safe method are reported for the scalable synthesis of FCMs, by mechanochemical depolymerization of polytetrafluoroethylene (PTFE) and fragmentation of graphite. The resultant FCMs are evaluated as anode materials for lithium‐ion batteries (LIBs). An optimized FCM delivered capacities as high as 951.6 and 329.3 mAh g −1 at 0.05 and 10 A g −1, respectively. It also demonstrated capacity retention as high as 76.6% even after 1000 cycles at 2.0 A g −1. Fluorinated carbon materials (FCMs) w ere safely produced by a solid‐state reaction between PTFE and graphite using mechanochemical ball‐milling. The FCMs are tested as anode materials for lithium‐ion batteries and demonstrate a high lithium‐ion storage capacity with outstanding stability.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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