Improving Aqueous Zinc-Ion Batteries with Nanodiamond-Modified Separators
Author Information
Author(s): Zhang Qiuxia, Wan Linfeng, Gao Xuan, Cheng Shaoheng, Gao Nan, Carmalt Claire J., Dai Yuhang, He Guanjie, Li Hongdong
Primary Institution: State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, PR China
Hypothesis
Can nanodiamonds improve the performance of aqueous zinc-ion batteries by modifying the separator?
Conclusion
Nanodiamond-modified separators significantly enhance the cycling stability and performance of aqueous zinc-ion batteries.
Supporting Evidence
- Nanodiamonds improve the uniformity of separator pore size, controlling Zn2+ transport.
- Cells using nanodiamond-modified separators show a cycling lifespan of nearly 1800 hours.
- Nanodiamonds enhance the mechanical stability of separators, preventing punctures by Zn dendrites.
- Zn||MnO2 full cells with nanodiamond separators exhibit high retention after 1000 cycles.
Takeaway
This study shows that adding tiny diamonds to battery separators helps the batteries last longer and work better.
Methodology
The study involved fabricating nanodiamond-modified glass fiber separators and testing their performance in zinc-ion batteries.
Limitations
The study does not address the long-term effects of nanodiamond modifications on battery performance in real-world applications.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website