@article{Liang2022, 
author = {Guojin Liang and Xinliang Li and Yanbo Wang and Shuo Yang and Zhaodong Huang and Qi Yang and Donghong Wang and Binbin Dong and Minshen Zhu and Chunyi Zhi},
title = {Building durable aqueous K-ion capacitors based on MXene family},
year = {2022},
journal = {Nano Research Energy},
volume = {1},
pages = {9120002},
keywords = {aqueous K-ion capacitor, MXene family, superior cyclic stability},
url = {https://www.sciopen.com/article/10.26599/NRE.2022.9120002},
doi = {10.26599/NRE.2022.9120002},
abstract = {Obtaining stable aqueous K-ion capacitors is still challenging due to the cathode materials tended to structurally collapse after long-term cycling during large-radius K-ion insertion/extraction. In this work, three different typical MXene electrodes, i.e., Nb2C, Ti2C, and Ti3C2 were individually investigated upon their electrochemical behaviors for potassium-ion (K-ion) storage. All these MXene materials exhibited pseudocapacitive-dominated behaviors, fast kinetics, and durable K-ion storage, delivering superior performance compared with other K-ion host materials. According to the experimental results, it could be ascribed to the intrinsically large interlayer distance for K-ion transport and the superb structural stability of MXene even subjected to long-term potassiation/depotassiation process.}
}