mxene academic
NML: In-situ polymerization of cyano groups between MXene layers for high-power sodium-ion capacitors
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MXenes have broad application prospects in the field of energy storage due to their high electronic conductivity. Due to the similar physicochemical properties of Na-ion and Li-ion, Na-ion energy storage technology is the most promising alternative to Li-ion energy storage devices. However, improving the slow sodium (Na)-ion transport dynamics within MXenes interlayers remains a great challenge.
Recently, Professor Jian Xigao from Dalian University of Technology and others published a title in the well-known academic journal Nano-Micro Letters: A Novel Strategy of In Situ Trimerization of Cyano Groups Between the Ti3C2Tx (MXene) Interlayers for High‑Energy and High‑Power Sodium‑Ion Research paper by Capacitors. A novel nitrogen-doped Ti3C2TxMXene was synthesized by in situ polymerization of sodium dicyandiamide (Na-dca).
Figure 1. Schematic synthesis process, IR and XRD characterization.
Figure 2. XPS, BET, scan projection and elemental distribution of Ti3C2Tx/Na3TCM and Ti3C2Tx.
Figure 3. Electrochemical performance and kinetic analysis of Ti3C2Tx/Na3TCM and Ti3C2Tx for sodium ion storage.
Figure 4. DFT calculations of Na ion storage on Ti3C2Tx/Na3TCM and Ti3C2Tx surfaces.
Figure 5. Charge storage mechanism and performance test of Ti3C2Tx/Na3TCM//ACnic.
This paper demonstrates a new and reliable strategy to synthesize highly N-doped 2D Ti3C2Tx nanosheets and exhibit superior Na-ion storage performance. Due to the large interlayer spacing and N-rich surface of Ti3C2Tx/Na3TCM, the designed Ti3C2Tx/Na3TCM has fast and high sodium ion storage capacity, which is verified by the combined results of experiments and DFT calculations.
Literature link:
https://doi.org/10.1007/s40820-020-00473-7
MXenes have broad application prospects in the field of energy storage due to their high electronic conductivity. Due to the similar physicochemical properties of Na-ion and Li-ion, Na-ion energy storage technology is the most promising alternative to Li-ion energy storage devices. However, improving the slow sodium (Na)-ion transport dynamics within MXenes interlayers remains a great challenge.
Recently, Professor Jian Xigao from Dalian University of Technology and others published a title in the well-known academic journal Nano-Micro Letters: A Novel Strategy of In Situ Trimerization of Cyano Groups Between the Ti3C2Tx (MXene) Interlayers for High‑Energy and High‑Power Sodium‑Ion Research paper by Capacitors. A novel nitrogen-doped Ti3C2TxMXene was synthesized by in situ polymerization of sodium dicyandiamide (Na-dca).
Figure 1. Schematic synthesis process, IR and XRD characterization.
Figure 2. XPS, BET, scan projection and elemental distribution of Ti3C2Tx/Na3TCM and Ti3C2Tx.
Figure 3. Electrochemical performance and kinetic analysis of Ti3C2Tx/Na3TCM and Ti3C2Tx for sodium ion storage.
Figure 4. DFT calculations of Na ion storage on Ti3C2Tx/Na3TCM and Ti3C2Tx surfaces.
Figure 5. Charge storage mechanism and performance test of Ti3C2Tx/Na3TCM//ACnic.
This paper demonstrates a new and reliable strategy to synthesize highly N-doped 2D Ti3C2Tx nanosheets and exhibit superior Na-ion storage performance. Due to the large interlayer spacing and N-rich surface of Ti3C2Tx/Na3TCM, the designed Ti3C2Tx/Na3TCM has fast and high sodium ion storage capacity, which is verified by the combined results of experiments and DFT calculations.
Literature link:
https://doi.org/10.1007/s40820-020-00473-7
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