New cathode with incomparable cyclic stability and ultra capacity in aqueous zinc batteries
With this striking description, researchers from the Worldwide Universities Network have defined their latest finding: a high-performance electrode developed from sustainable organic materials with low toxicity.
The scientific community is aware that it is important to find a chemistry that improves the limitations of lithium batteries, as they present significant challenges in terms of limited energy density, long charge time, limited lifespan, and safety.
Finding a viable alternative means overcoming these limitations and significantly improving overall battery performance, but it’s also important to mention the need for critical materials that lithium-ion batteries have.
For example, cobalt, nickel, and lithium itself are metals used in lithium-ion battery cells and are considered critical materials due to their scarcity, high demand, and importance in modern technology. Dependence on these materials can raise concerns about the security of supply and their environmental impact on the extraction and production process.
Therefore, finding an alternative to lithium-ion batteries can not only improve their performance but also decrease reliance on critical materials and reduce their environmental impact.
For all these reasons, it is crucial to continue researching and developing energy storage technologies that can meet these requirements and help build a more sustainable and energy-efficient future.
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Sustainable and cheap materials
Scientists at the Worldwide Universities Network are developing a new alternative battery technology to lithium-ion, using environmentally friendly organic materials to improve energy storage capacity.
Specifically, the research project has developed conductive electrode materials with very low amounts of toxic metals, using abundant and environmentally friendly components. They have also designed functional ion-conducting materials as solid-state electrolytes to improve electrochemical performance.
The key result of the project has been the development of a small molecule organic electrode material called Hex Azarian Trendlyne (HATA) embedded in quinone (HATAQ), which has shown a potential to produce extra high capacity for metal ion storage.
By introducing conjugated quinone moieties into the electron-deficient Hex Azarian Trendlyne-Derived nucleus, HATAQ has demonstrated high energy density and ultra-high capacity in rechargeable aqueous zinc ion batteries.
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The advantages of batteries with organic electrodes
Organic electrode materials have many advantages such as low cost and environmental friendliness.
They also contain a large number of redox actives capable of undergoing a multi-electron transfer process at a redox potential which, if properly tuned, can lead to high energy density.
To do this, scientists are investigating the HATAQ compound as a cathode in other rechargeable battery systems that are known to be safer and more economical. For example- Systems based on sodium, zinc, and other multivalents.
According to the scientific authors of the research, the results are promising and may have a significant impact on the future of energy storage technologies. The research is expected to continue to further improve the performance of these batteries and accelerate their market adoption.
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