1/13/2024 0 Comments Carbon nanotubes aerogelTitanium oxide is one of the most attractive anode candidate materials due to the safe lithiation potential (∼1.7 V vs. Therefore, the development of high-performance anode materials for advanced LIBs is urgent. In addition, the working potential of graphite is similar to that of lithium metal, thus leading to the formation of parasitic lithium dendrites and short circuits upon overcharging. Although graphite is commonly used as an anode in commercial LIBs, low theoretical specific capacity limits its further development. Lithium-ion batteries (LIBs) have been demonstrated to be the most promising energy storage devices for large-scale energy storage, cartable electronic devices, and electrical propulsion applications. This ambient pressure drying strategy provides a facile and feasible way to produce high-performance aerogel anode materials for lithium-ion storage. The carbon dot-modified cross-linking skeleton contributes to the structural integrity of the TiO 2 aerogel during repeated insertion/extraction of lithium ions, guaranteeing outstanding cycling and high-rate performance. It also retained a discharge capacity of 111 mAh g −1 with a CE of 99.9% at 3 A g −1. Benefiting from the crosslinking of carbon dots and the surface modification of SiO 2, the as-prepared hierarchical aerogel exhibited a high initial discharge capacity of 974 mAh g −1 and maintained a capacity of 299 mAh g −1 after 100 cycles at 0.1 A g −1. In this study, a carbon dot-modified TiO 2 aerogel was successfully fabricated through a facile ambient pressure drying strategy and used as an anode material of LIBs. However, the poor conductivity and low specific capacity of bulk titanium oxides limit their application. 1702-8, Apr 06 2016.Titanium oxides have been considered promising anode materials for lithium-ion batteries (LIBs). Lin, "3D Printing of Graphene Aerogels," Small, vol. Liu, "Preparation Functionalized Graphene Aerogels as Air Cleaner Filter," Procedia Engineering, vol. Zhang, "Synthesis of Three-Dimensional Fe 3O 4/Graphene Aerogels for the Removal of Arsenic Ions from Water," Journal of Nanomaterials, vol. Gao, "Preparation of graphene oxide aerogel and its adsorption for Cu 2+ ions," Carbon, vol. Yang, "Strengthening of graphene aerogels with tunable density and high adsorption capacity towards Pb 2+," Sci Rep, vol. Peng, et al., "Cellular graphene aerogel combines ultralow weight and high mechanical strength: A highly efficient reactor for catalytic hydrogenation," Sci Rep, vol. Li, "Highly reusable and superhydrophobic spongy graphene aerogels for efficient oil/water separation," Sci Rep, vol. Zhang, et al., "Enhanced mechanical, thermal, and electric properties of graphene aerogels via supercritical ethanol drying and high-temperature thermal reduction," Sci Rep, vol. Graphene aerogel is lighter than air, Extremetech, Gao, "Multifunctional, ultra-flyweight, synergistically assembled carbon aerogels," Adv Mater, vol. Gao, "Perspective: Graphene aerogel goes to superelasticity and ultraflyweight," APL Materials, vol. Wang, "Interface-mediated extremely low thermal conductivity of graphene aerogel," Carbon, vol. Derby, "Pristine Graphene Aerogels by Room-Temperature Freeze Gelation," Adv Mater, vol. Nguyen Van Hung, Nguyen Ngoc Anh, Pham Van Trinh, Bui Hung Thang, Nguyen Tuan Hong, Phan Hong Khoi, Phan Ngoc Minh, and Phan Ngoc Hong, Fabrication and Characterization of Carbon Nanotubes Aerogel, 8th IWAMSN (2016), Ha Long City, Vietnam, 8th-12th November 2016. Halloran, "New Freeze-Casting Technique for Ceramics with Sublimable Vehicles," Journal of the American Ceramic Society, vol. Liu, "Polymer/Carbon-Based Hybrid Aerogels: Preparation, Properties and Applications," Materials (Basel), vol. 741-741, 1931.Īerogel, Wikipedia, the free encyclopedia. Kistler, "Coherent Expanded Aerogels and Jellies," Nature, vol.
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