Additive-free Electrophoretic-deposited Ti3AlC2 MAX phase Li-ion battery anode
- Authors
- Hong, J.; Park, B.
- Issue Date
- 1-Jan-2023
- Publisher
- Elsevier B.V.
- Keywords
- Anode; Electrophoretic deposition; MAX; Pseudocapactive reaction
- Citation
- Materials Letters, v.330
- Journal Title
- Materials Letters
- Volume
- 330
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/30475
- DOI
- 10.1016/j.matlet.2022.133227
- ISSN
- 0167-577X
- Abstract
- Mn+1AXn (MAX, n = 1, 2, 3…) is the precursor of Mxene, which is two-dimensional layered transition metal carbides and nitrides. The two-dimensional Mxene layers are fabricated through selective etching of element “A”. To probe the intrinsic electrochemical properties of Ti3AlC2 MAX phase as Li-ion battery anode, we fabricated an additive-free electrophoretically-deposited MAX phase anode electrode. As demonstrated in this report, the MAX phase is highly reversible during charging and discharging cycles, as a result of pseudocapacitive redox reactions caused by delamination of Ti3AlC2 nanolayer aggregates into nanosheets during delithiation. In the present study, we demonstrate excellent cycling reversibility for a Ti3AlC2 MAX phase electrode electrophoretically deposited without additives with a specific capacity of ∼ 120 mAh/g after cycles up to 10C-rate. © 2022
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