- Title
- Novel composite nano-materials with 3D multilayer-graphene structures from biomass-based activated-carbon for ultrahigh Li-ion battery performance
- Creator
- Rish, Salman Khoshk; Tahmasebi, Arash; Wang, Rou; Dou, Jinxiao; Yu, Jianglong
- Relation
- Electrochimica Acta Vol. 390, no. 138839
- Publisher Link
- http://dx.doi.org/10.1016/j.electacta.2021.138839
- Publisher
- Elsevier
- Resource Type
- journal article
- Date
- 2021
- Description
- Graphene composite materials have attracted significant attention for green energy storage systems due to their excellent electrochemical properties. We report a low-cost and environmentally friendly approach for synthesis of 3D multilayer graphene nanostructures (3DMGS) via catalytic graphitization and chemical oxidation-thermal reduction using biomass-based activated carbon (AC) as a precursor. The combination of microwave catalytic graphitization and chemical oxidation results in an active material with a unique physical and chemical structure. 3DMGS possesses a high specific surface area (503 m2 g−1) and an interconnected hierarchical porous structure with many defects and edges, which provide sufficient lithium-ion diffusion sites and facilitate fast ion transportation. When used as anode material for Li-ion batteries, 3DMGS exhibit outstanding rate capability and cycling stability (260 mAhg−1 at 5000 mAg−1 after 1100 cycles with charge retention of 114.47%.) and ultrahigh specific capacity (1513 mAhg−1 at 100 mAg−1).
- Subject
- Li-ion battery; advanced anode materials; graphene composite; nanostructures; SDG 7; Sustainable Development Goals
- Identifier
- http://hdl.handle.net/1959.13/1477334
- Identifier
- uon:49967
- Identifier
- ISSN:0013-4686
- Language
- eng
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Goal 7: Ensure access to affordable, reliable, sustainable and modern energy
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