Field Guide to Battery Materials Characterization | AIChE

Field Guide to Battery Materials Characterization

Research, development, and utilization of lithium-ion batteries is one of the fastest-growing industrial segments in the world. Numerous products, including pacemakers, drones, cars, and now even airplanes, rely on batteries for power. Ensuring batteries are safe, powerful, and reliable is more critical than ever before.

However, the safety, performance, and lifetime of a battery will only be as good as the materials that go into making it. Specifically, the electrodes, separator, and electrolyte need to be fully characterized and monitored from the time they enter the production facility until they are incorporated into the final product.   

Parameters that need to be measured include: electrode surface area, crystal structure, particle and crystallite size, pore size, electrode slurry flow and curing properties, chemical purity of raw materials, separator pore size and structure properties, electrolyte viscosity, density, and flash point.

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