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The current collector is an important part of the electrode. In the electrode materials, the current collector provides a pathway for the transmission of electrons, ensuring the smooth flow of current during the charging and discharging processes of the product. Generally speaking, common current collector materials include copper foil and aluminum foil. Copper foil is used for the negative electrode, while aluminum foil is used for the positive electrode. Both can serve as carbon current collectors, while aluminum current collectors can also be produced through electrochemical corrosion. Its good electrical conductivity and chemical stability guarantee the stable performance of the product and are indispensable for the efficient operation and long lifespan of the product.
