A Non-Aqueous Asymmetric Cell with a Ti2C-Based Two-Dimensional Negative Electrode | Zendy

Jérémy Come | Zendy; Michael Naguib | Zendy; Patrick Rozier | Zendy; Michel W. Barsoum | Zendy; Yury Gogotsi | Zendy; PierreLouis Taberna | Zendy; Mathieu Morcrette | Zendy; Patrice Simon | Zendy

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A Non-Aqueous Asymmetric Cell with a Ti₂C-Based Two-Dimensional Negative Electrode

Author(s) -

Jérémy Come,

Michael Naguib,

Patrick Rozier,

Michel W. Barsoum,

Yury Gogotsi,

PierreLouis Taberna,

Mathieu Morcrette,

Patrice Simon

Publication year - 2012

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/2.003208jes

Subject(s) - electrochemistry , electrode , lithium (medication) , materials science , diffusion , exfoliation joint , extraction (chemistry) , analytical chemistry (journal) , aqueous solution , ion , phase (matter) , carbon fibers , chemical engineering , chemistry , nanotechnology , chromatography , composite material , organic chemistry , medicine , physics , graphene , engineering , thermodynamics , endocrinology , composite number

International audienceA new MXene phase, Ti2C, obtained by aluminum extraction from Ti2AlC and exfoliation of the reaction product, was electrochemically studied vs. Lithium. Li-ions insertion into the 2-D structure was characterized by in situ XRD measurements. Additional electrochemical kinetic characterizations of Ti2C, using a cavity micro-electrode, showed that the electrochemical reactions involve two different phenomena: one diffusion-limited, the other not. A Ti2 C/activated carbon asymmetric cell was assembled to highlight the high rate performance of the MXene. The cell was cycled between 1.0 V and 3.5 V, and showed good capacity retention during 1000 galvanostatic charge/discharge cycles at rates up to 10C

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