The role of solid state chemistry in the development of metal-ion batteries

The role of solid state chemistry in the development of metal-ion batteries
Credit: Skolkovo Institute of Science and Technology

Professors from the Skoltech Center for Energy Science and Technology (CEST), Lomonosov Moscow State University and College de France shared their vision on the importance of solid state chemistry in advancements currently awaited from contemporary and prospective metal-ion batteries. The opinion was contributed as an invited review to Nature Communications.

Metal-ion batteries are the main drivers enabling a smooth transfer to renewables and green energy for a sustainable planet. The artfully designed electrode materials have greatly contributed to the development of high-performance Li-ion batteries that was eventually hallmarked by the 2019 Nobel Prize, which had signified the role solid state chemistry. Targeted design of novel metal-ion battery materials to bring the technology to the next level clearly stands as a great challenge for today’s chemistry community.

The individual properties of atoms and ions encoded in the Periodic Table along with the fundamental trends and principles multiplied by further levels of complexity constitute multitude of possible combinations for scientists to find new battery electrodes. Obviously, the researchers need solid guidelines while searching through this huge parameter space for the best chemical combinations and structures.

The review published in Nature Communications summarizes and explains the fundamental chemical principles and recipes and discusses the recent achievements made in the design of electrode materials and solid electrolytes by manifesting the interplay between chemical composition, crystal and electronic structure and electrochemical properties. The authors emphasized the crucial role of advanced methods: diffraction, imaging and spectroscopic characterization techniques coupled with solid state chemistry approaches for improving battery materials opening emergent directions for further studies.

Professor Stanislav Fedotov says, “In the near prospect, we foresee more essential discoveries of functional materials enabled by solid state chemistry. All students and researchers who are eager to contribute to the development of current and upcoming technologies to make a better world are welcome to enroll in our materials chemistry courses delivered within the materials science Master and Ph.D. programs at Skoltech.”

Professor Artem Abakumov, director of CEST, says, “With this brief review, we demonstrated that behind seemingly applied research targeting the specific product—metal-ion batteries—a wealth of fundamental science is hidden. Rational design of advanced electroactive materials and solid electrolytes for the future batteries calls for deep understanding of crystal chemistry, chemical bonding and electronic structure of solids, ionic transport, electrochemistry and up-to-date characterization techniques coupled with the broad vision stemming from the adjacent branches of solid state chemistry. Powerful computational methods material design and discovery will empower researchers in the near future, but they must act hand-in-hand with the scientific wisdom brought by a multifaceted solid state chemistry approach.”

Scientists identify solid electrolyte materials that boost lithium-ion battery performance

More information:
Artem M. Abakumov et al. Solid state chemistry for developing better metal-ion batteries, Nature Communications (2020). DOI: 10.1038/s41467-020-18736-7

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