Bistacked Titanium Carbide (MXene) Anodes for Hybrid Sodium-Ion Capacitors

Narendra Kurra; Mohamed Alhabeb; Kathleen Maleski; Chueh-Han Wang; Husam N. Alshareef; Yury Gogotsi

doi:10.1021/acsenergylett.8b01062

Bistacked Titanium Carbide (MXene) Anodes for Hybrid Sodium-Ion Capacitors

Narendra Kurra, Mohamed Alhabeb, Kathleen Maleski, Chueh-Han Wang, Husam N. Alshareef, Yury Gogotsi

Research output: Contribution to journal › Article › peer-review

146 Scopus citations

Abstract

Two-dimensional transition-metal carbides (MXenes) have shown great promise as electrode materials for high-rate pseudocapacitive energy storage. In this study, we report on the fabrication of bistacked two-dimensional titanium carbide electrodes which are free of binder, conductive additives, and current-collector. This MXene electrode is capable of reversible electrochemical storage of sodium ions with good cycling stability and rate capability. A prototype hybrid Na-ion capacitor was assembled by combining the bistacked MXene anode with an activated carbon cathode, which showed an energy density of 39 Wh/kg (including the total weight of bistacked MXene and activated carbon, 6 mg/cm) at 1C rate and maintained up to 60% of its performance at a 60C rate, in the operating voltage window of 3.4 V. This study opens new avenues for developing self-standing binder and additive-free MXene electrodes for metal-ion batteries and capacitors.

Original language	English (US)
Pages (from-to)	2094-2100
Number of pages	7
Journal	ACS Energy Letters
Volume	3
Issue number	9
DOIs	https://doi.org/10.1021/acsenergylett.8b01062
State	Published - Aug 8 2018

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title = "Bistacked Titanium Carbide (MXene) Anodes for Hybrid Sodium-Ion Capacitors",

abstract = "Two-dimensional transition-metal carbides (MXenes) have shown great promise as electrode materials for high-rate pseudocapacitive energy storage. In this study, we report on the fabrication of bistacked two-dimensional titanium carbide electrodes which are free of binder, conductive additives, and current-collector. This MXene electrode is capable of reversible electrochemical storage of sodium ions with good cycling stability and rate capability. A prototype hybrid Na-ion capacitor was assembled by combining the bistacked MXene anode with an activated carbon cathode, which showed an energy density of 39 Wh/kg (including the total weight of bistacked MXene and activated carbon, 6 mg/cm) at 1C rate and maintained up to 60% of its performance at a 60C rate, in the operating voltage window of 3.4 V. This study opens new avenues for developing self-standing binder and additive-free MXene electrodes for metal-ion batteries and capacitors.",

author = "Narendra Kurra and Mohamed Alhabeb and Kathleen Maleski and Chueh-Han Wang and Alshareef, {Husam N.} and Yury Gogotsi",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This research was supported by King Abdullah University of Science and Technology under the KAUST-Drexel University Competitive Research Grant. We thank Dr. Christopher Shuck for helpful comments on the manuscript.",

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doi = "10.1021/acsenergylett.8b01062",

language = "English (US)",

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journal = "ACS Energy Letters",

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AU - Kurra, Narendra

AU - Alhabeb, Mohamed

AU - Maleski, Kathleen

AU - Wang, Chueh-Han

AU - Alshareef, Husam N.

AU - Gogotsi, Yury

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This research was supported by King Abdullah University of Science and Technology under the KAUST-Drexel University Competitive Research Grant. We thank Dr. Christopher Shuck for helpful comments on the manuscript.

PY - 2018/8/8

Y1 - 2018/8/8

N2 - Two-dimensional transition-metal carbides (MXenes) have shown great promise as electrode materials for high-rate pseudocapacitive energy storage. In this study, we report on the fabrication of bistacked two-dimensional titanium carbide electrodes which are free of binder, conductive additives, and current-collector. This MXene electrode is capable of reversible electrochemical storage of sodium ions with good cycling stability and rate capability. A prototype hybrid Na-ion capacitor was assembled by combining the bistacked MXene anode with an activated carbon cathode, which showed an energy density of 39 Wh/kg (including the total weight of bistacked MXene and activated carbon, 6 mg/cm) at 1C rate and maintained up to 60% of its performance at a 60C rate, in the operating voltage window of 3.4 V. This study opens new avenues for developing self-standing binder and additive-free MXene electrodes for metal-ion batteries and capacitors.

AB - Two-dimensional transition-metal carbides (MXenes) have shown great promise as electrode materials for high-rate pseudocapacitive energy storage. In this study, we report on the fabrication of bistacked two-dimensional titanium carbide electrodes which are free of binder, conductive additives, and current-collector. This MXene electrode is capable of reversible electrochemical storage of sodium ions with good cycling stability and rate capability. A prototype hybrid Na-ion capacitor was assembled by combining the bistacked MXene anode with an activated carbon cathode, which showed an energy density of 39 Wh/kg (including the total weight of bistacked MXene and activated carbon, 6 mg/cm) at 1C rate and maintained up to 60% of its performance at a 60C rate, in the operating voltage window of 3.4 V. This study opens new avenues for developing self-standing binder and additive-free MXene electrodes for metal-ion batteries and capacitors.

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DO - 10.1021/acsenergylett.8b01062

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JO - ACS Energy Letters

JF - ACS Energy Letters

IS - 9

ER -

Bistacked Titanium Carbide (MXene) Anodes for Hybrid Sodium-Ion Capacitors

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