Advantages 1 Its energy is relatively high. It high storage energy density that has reached 460-600Wh/kg, which is about 6-7 times of lead-acid battery; 2 It has a long service life that can last for more than 6 years. It has been recorded…

Gold is a popular precious metal that has been used for centuries as currency, hedging and jewelry for its noble and beautiful gold color. Gold sputtering coating is a thin film deposition process in which gold or gold alloy is bombarded w…