New strategy for high-performance cathodes in aqueous zinc ion batteries

New strategy for high-performance cathodes in aqueous zinc ion batteries

technology By Dec 29, 2023 No Comments

New Strategy for High-Performance Cathodes in Aqueous Zinc Ion Batteries

December 29, 2023 This article has been reviewed according to Science X’s editorial process and policies. Editors have highlighted the following attributes while ensuring the content’s credibility: fact-checked peer-reviewed publication trusted source proofread by ZHANG Nannan, Chinese Academy of Sciences A new strategy was proposed in the field of aqueous zinc-ion battery to help increase the capacity of the cathodes, making them more efficient, according to a recent study published in ACS Nano. “We converted low-valence vanadium into high-valence vanadium in oxides using an electrochemical method,” said Prof. HU Linhua from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, who led the team. Aqueous zinc-ion batteries (AZIBs) are a promising technology for large-scale stationary energy storage. To make this technology more viable for commercial use, researchers have developed innovative cathode materials to improve performance.

Introduction to Aqueous Zinc-Ion Batteries

Researches have constructed an in situ electrochemically induced phase transition to obtain high-performance aqueous zinc ion cathode materials. They used a special process to change the structure of a material called V 6 O 13 to V 5 O 12 · 6 H 2 O when it was first charged. This change made the material better at conducting electricity and allowed the zinc ions to move more easily, increasing its ability to store Energy. The modified material also had spaces that made it easier for particles to move around and it remained stable over many charging cycles.

The Study’s Findings

The new material exhibits high Energy storage capacity, performs well at high charging rates, and lasts a long time without losing its ability to store Energy. As a result, the new material could be charged very quickly, representing a breakthrough in the development of high-performance cathodes for AZIBs. This new method provides a new direction for solving the challenges in developing high-performance cathodes for AZIBs, according to the team.

Implications for Energy Storage Technology

The development of high-performance cathodes in aqueous zinc-ion batteries has significant implications for Energy storage technology. The increased capacity and efficiency of these cathodes pave the way for large-scale stationary Energy storage, addressing the growing demand for reliable and sustainable Energy solutions.

Conclusion

In conclusion, the recent study published in ACS Nano introduces a groundbreaking strategy for enhancing the capacity and efficiency of cathodes in aqueous zinc-ion batteries. The successful modification of vanadium oxide materials represents a significant advancement in the field of Energy storage technology, offering a promising solution for large-scale stationary Energy storage systems.

More information: Li’e Mo et al, Electrochemically Induced Phase Transformation in Vanadium Oxide Boosts Zn-Ion Intercalation, ACS Nano (2023). DOI: 10.1021/acsnano.3c11217 Journal information: ACS Nano Provided by Chinese Academy of Sciences

Source: phys

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