Pole piece, preparation method thereof and solid-state battery

The invention relates to the technical field of new energy, and discloses a pole piece, a preparation method thereof and a solid-state battery. The preparation method comprises the following steps: spraying slurry on a base material and carrying out drying treatment; wherein the slurry comprises an electrode active material, a conductive agent, a binder, a solvent and an optional dispersant; the viscosity of the slurry is less than 4000 mPa.s; the fineness of the slurry is below 13 microns. Through the preparation method provided by the invention, the spraying density of the slurry can be more easily controlled, so that the rate capability of the obtained pole piece is improved. 本发明涉及新能源技术领域，公开了一种极片及其制备方法和固态电池。该制备方法包括将浆料喷涂在基材上并进行干燥处理的步骤；其中，所述浆料包含电极活性材料、导电剂、粘结剂、溶剂和可选的分散剂；所述浆料的粘度为4000mPa·s以下；所述浆料的细度为13μm以下。通过本发明的制备方法，可以更容易地控制浆料喷涂的密集程度，从而提高所得极片的倍率性能。