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AEM: Acid-free and alkali-free in-situ electrochemical synthesis of MXenes for aqueous zinc ion batteries

Research Background


In the past ten years, MXenes has developed into an important multifunctional two-dimensional material, which is widely used in the fields of liquid crystal, catalysis, sensors, nano-generators, seawater desalination and microwave shielding. At present, the conventional process for preparing MXenes energy storage devices includes the initial synthesis of MXenes and subsequent device assembly, which is a multi-step and complex process. More importantly, there are unavoidable safety risks in the synthesis of MXenes from acids or bases.


Introduction


Recently, the research group of Professor Chunyi Zhi from City University of Hong Kong published a research paper titled In Situ Electrochemical Synthesis of MXenes without Acid/Alkali Usage in/for an Aqueous Zinc Ion Battery in the well-known academic journal Advanced Energy Materials.


Graphic guide


Figure 1. V2AlC MAX characterization.


Figure 2. V2CTx synthesis characterization and reaction mechanism.


Figure 3. V2CTx phase and structure changes during the cycle.


Figure 4. The electrochemical performance of the battery.


Summary of this article


In summary, this article proposes an integrated solution for V2CTx zinc ion battery based on Mxene, which adopts an in-situ electrochemical route, uses MAX as cathode and F-rich electrolyte as corrosive electrolyte to directly prepare electrode material for V2CTx zinc ion battery.
Literature link:

DOI: 10.1002/aenm.202001791

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