Summary
- Researchers at the University of Waterloo have developed a new electrolyte design for magnesium batteries
- Magnesium is more abundant and cost-effective compared to lithium, making it a sustainable energy storage option
- The electrolyte enables magnesium foils to be deposited with high efficiency and at a higher voltage than previously tested
- The electrolyte design is non-corrosive, non-flammable, and inexpensive
- The research aims to commercialize a functional magnesium battery by developing the right positive electrode
Article
Researchers at the University of Waterloo in Canada have developed a new electrolyte design that enables a highly efficient magnesium battery anode. This breakthrough is significant as magnesium is more abundant and less costly than lithium, making it a more sustainable option for energy storage. Initial research on magnesium-based batteries had shown lower voltage outputs compared to standard AA batteries, but the newly developed electrolyte is able to operate at up to 3 V, with potential for further increase through cathode design.
The research was led by Linda Nazar, a professor in the Department of Chemistry, and Chang Li, a postdoctoral fellow in the Nazar Group, in collaboration with UC Berkeley and Sandia National Labs. Their work, titled “A Dynamically Bare Metal Interface Enables Reversible Magnesium Electrodeposition at 50 mAh cm-2,” was published in Joule, showcasing the success of their electrolyte design in depositing magnesium foils with high efficiency and stability at higher voltages. The team now aims to find the right cathode to complement their electrolyte and bring together a fully functional magnesium battery.
The electrolyte design developed by Li and Nazar is not only efficient but also cost-effective, allowing for quick scalability in the next-generation battery market. Additionally, it is non-corrosive and non-flammable, addressing key concerns associated with previous electrolyte iterations. Nazar believes that this advancement brings the commercialization of magnesium batteries one step closer and hopes that their work will inspire further discoveries in positive electrode development to complete the magnesium battery puzzle.
This innovation in magnesium battery technology holds promise for the future of sustainable energy storage, offering a more abundant and affordable alternative to lithium batteries. The ability to operate at higher voltages and deposit magnesium foils efficiently marks a significant advancement in the field. The collaboration between the University of Waterloo, UC Berkeley, and Sandia National Labs has resulted in a groundbreaking research paper published in Joule, showcasing the potential of this electrolyte design for commercial applications.
As the team continues their research in finding the ideal cathode to pair with their electrolyte, they are confident in the potential for a fully functional magnesium battery that could revolutionize the energy storage industry. The cost-effectiveness and scalability of their electrolyte design add to its appeal for widespread adoption in the market. By addressing safety concerns with a non-corrosive and non-flammable composition, Li and Nazar have paved the way for further advancements in magnesium battery technology.
Overall, the development of a highly efficient magnesium battery anode with a novel electrolyte design represents a significant step towards achieving sustainable energy storage solutions. The work of Nazar, Li, and their collaborators has the potential to impact the future of battery technology by introducing a more cost-effective and environmentally friendly alternative to lithium batteries. With further research and development, magnesium batteries could become a viable option for commercial applications, offering a promising solution for the growing demand for efficient and sustainable energy storage systems.
Read the full article here