Scientists at a university are using artificial intelligence to speed up the development of better battery materials. Their work could lead to major improvements in the energy storage used in homes and electronic devices.
Fengqi You, a professor at Cornell University, leads a research team. They use theoretical models, AI, and computational techniques. Their goal is to find new battery materials that could change how energy is stored in homes and businesses.
Introducing IonNet
One of their recent achievements is IonNet. This AI tool predicts how quickly lithium ions can move through solid materials. It uses only the chemical composition of the material. Published in Science Advances, it helps test potential electrolyte materials earlier in the design process.
IonNet is different because it does not need crystal structures. These are often missing for new compounds. Instead, it uses chemical data to predict how ions will move. This helps speed up the development of better battery materials.
Advancements in Concentration Batteries
In a separate study, published in Nature Communications, researchers looked at concentration batteries. By changing how ions interact with molecules in the electrolyte, they increased the voltage. Zinc- and copper-based batteries now reach 0.7 volts. This is more than 10 times higher than the old limits for these kinds of batteries.
When combined with traditional electrodes, the new approach created water-based batteries. These operate at 2.2 to 2.5 volts. This is higher than the 1.5 volts of standard alkaline AA batteries.
AI-Driven Battery Design
These two studies share a common goal. They aim to move battery design away from guesswork. Instead, they use AI, chemistry, and scientific understanding. Both projects were partially funded by Cornell’s Schmidt AI in Science Postdoctoral Fellowship.
You’s team worked with researchers from the University of Puerto Rico–Río Piedras. Their work is changing how concentration batteries are viewed. These were once seen as impractical and low-voltage. Now, they are a flexible platform for energy storage. This could lead to better and safer energy storage solutions for homes.
IonNet and the concentration battery research show the power of combining AI and chemistry. These methods are not only speeding up discoveries. They are also creating new standards for designing better energy storage materials.
By using AI tools like IonNet and traditional science, researchers are finding important chemical rules. These rules help explain why certain materials work better. This deepens understanding and helps design the next generation of batteries.
Fengqi You also leads the Cornell University AI4S Initiative. He stresses the importance of understanding the chemical principles behind materials. These insights help AI guide future experiments more effectively.
These studies are changing the way scientists think about battery design. They are moving toward a more logical, data-driven approach. This could lead to batteries with longer life, faster charging, and better safety.
With support from programs like the Schmidt AI in Science Postdoctoral Fellowship, Cornell researchers are leading a change in energy storage. Their work allows for more precise and intentional battery design. This replaces traditional trial-and-error methods.
These advances are not just for batteries. They also affect broader energy systems. They could create more efficient and sustainable energy solutions. This includes home storage and electric vehicles.
As AI continues to improve, its role in materials science is becoming clear. By combining computational tools with chemical knowledge, researchers are opening new possibilities. This includes better battery design and new energy storage innovations.

