Faced with global energy shortages and growing environmental concerns, lithium-ion batteries have become the core solution for energy storage and power applications, thanks to their high energy density and long cycle life. They are widely adopted in power station energy storage systems, UPS communication power supplies, electric vehicles, aerospace and military equipment, with applications continuing to expand rapidly.

Among all components of ternary lithium-ion batteries, cathode materials decisively determine overall battery performance. High-quality ternary precursor powder is the foundation for premium cathode production. To accurately evaluate the microstructure and quality of ternary precursor powder, professional metallographic sample preparation is an essential and critical step.

Metallographic preparation process:

1️⃣ Grinding with P2500 metallographic sandpaper

2️⃣ Polishing with SC + 3μm PD-WT diamond suspension

3️⃣ Fine polishing with ET + 0.05μm AO-W alumina suspension

4️⃣ Final polishing with ZN + 0.05μm AO-A439 polishing liquid

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