As global energy storage demand grows, the need for safer, more powerful, and longer-lasting batteries is rising. The key to battery performance, safety, and longevity lies in the materials used. From raw material selection to their role in production and throughout the battery's lifecycle, thorough characterization and continuous monitoring are essential. This is especially important for understanding material changes over time and optimizing recycling by tracking active metal content.
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This eBook is an essential resource for material scientists working on developing lithium-ion batteries. It provides detailed insights into best practices for characterizing various cutting-edge battery materials, focusing on enhancing energy storage, safety, and performance. The e-book delves into key materials such as powdered anode and cathode materials, electrode slurries, separators and current collectors, and liquid electrolytes, offering practical tips for characterization.
Key measurement techniques for solid electrode materials include particle size analysis using laser diffraction and dynamic light scattering, surface area and pore size analysis through gas sorption, and powder density analysis via gas pycnometry. The guide also covers in-situ crystal structure evaluation through X-ray diffraction (XRD), instrumented scratch testing for mechanical properties, and microwave-assisted acid digestion to prepare samples for elemental analysis.
For electrode slurries, the guide details techniques like rheology for assessing slurry flow and curing properties, gas pycnometry for liquid density measurements, and percent solids analysis. When it comes to battery separators, pore size analysis via flow porometry and mercury porosimetry, along with structural analysis through dynamic mechanical analysis (DMA), are outlined. Lastly, methods for analyzing battery electrolytes include viscosity and density assessments.
The e-book is packed with real-world examples, application data, and measurement results, emphasizing the value of thorough material characterization in battery development. For material scientists, this field guide offers both practical strategies and a wealth of knowledge to push the boundaries of battery innovation.
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