Copper Electroplating

Cu²⁺ + 2e⁻ → Cu

Tổng quan

Copper ions from a CuSO₄ solution are reduced at the cathode surface, depositing a thin layer of metallic copper. The anode is typically a copper bar that dissolves to replenish Cu²⁺ in solution. Current density, temperature, and additives control the deposit quality, grain size, and brightness.

Người tham gia

Vai trò	Chất	Hệ số	Trạng thái
Sản phẩm	Copper Cu	1	(s)

Ví dụ thực tế

The shiny copper plating on decorative items, trophies, and plumbing fixtures is applied by this electrochemical process.

Tầm quan trọng công nghiệp

Copper electroplating is essential in PCB manufacturing, semiconductor interconnects, and decorative finishing. It creates the conducting layers in all electronic devices.

Tính chất

Loại: Electrochemical
Thuận nghịch: Có
Năng lượng: Tỏa nhiệt
ΔH: -65,5 kJ/mol

Phản ứng liên quan

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Frequently Asked Questions

What is the equation for Copper Electroplating?

The balanced equation is: Cu²⁺ + 2e⁻ → Cu.

What type of reaction is Copper Electroplating?

Copper Electroplating is a electrochemical reaction. It is reversible under certain conditions.

Is Copper Electroplating exothermic or endothermic?

Copper Electroplating is exothermic (releases energy). The enthalpy change (ΔH) is -65.5 kJ/mol.