Sodium-Ion/Crystal Water Cointercalated δ-MnO<sub>2</sub> with Improved Performance for Aqueous Zinc-Ion Batteries
Aqueous zinc-ion batteries (AZIBs) have gained much attention because of their high theoretical capacity, low cost, and high level of safety merits. Nevertheless, the progress of their practical applications is often restricted by the poor structural degradation in cathodes and inherently sluggish transport kinetics. Herein, we developed layered Na0.08MnO2·0.57H2O nanoflowers by a simple and effective hydrothermal method for the cathode of AZIBs. Na0.08MnO2·0.57H2O was obtained by the cointercalated sodium ion and minimal water in crystalline δ-MnO2. Consequently, the Na0.08MnO2·0.57H2O cathode delivers a high capacity (368 mA h g–1 at 0.1 A g–1) and a satisfactory cycle stability above 250 cycles at 0.5 A g–1. Our research could provide some ideas for the enhanced electrochemical performance of rechargeable AZIBs.
Authors
- Zhifeng Huang (ORCID: https://orcid.org/0000-0001-5949-6141)
- Peng Jie Zhou (ORCID: https://orcid.org/0000-0002-1140-4380)
- Guangzhan Liu
- Zhongqiang Ye
- Wen Li (ORCID: https://orcid.org/0000-0002-6807-479X)
- Li Liu (ORCID: https://orcid.org/0000-0001-8613-8171)
- Li Zhou (ORCID: https://orcid.org/0000-0003-0650-5256)
- Qi Luo (ORCID: https://orcid.org/0009-0005-5384-5730)
- Ziyan Jiang (ORCID: https://orcid.org/0000-0002-0111-5470)
Institutions
- Xiangtan University (CN)
Publication Details
- Journal
- ACS Applied Energy Materials
- Published
- 2024-10-18
- DOI
- https://doi.org/10.1021/acsaem.4c01530
- Citations
- 5
- Primary Topic
- Advanced battery technologies research
- Type
- article
- Field-Weighted Citation Impact
- 1.04
Funders
- Education Department of Hunan Province
- National Natural Science Foundation of China
- Ministry of Education of the People's Republic of China
- Xiangtan University