Battery is a device that can convert chemical energy into electrical energy. It is composed of several parts, such as the positive electrode and the negative electrode, the electrolyte and the shell, and is one of the indispensable energy supply devices in modern life. Using a chemical reaction process between positive and negative electrodes to generate electricity, it can be made in a variety of shapes and sizes.
Batteries can be widely used in many fields, including outdoor activities, home appliances, digital products, medical devices, vehicles and aerospace. At the same time, the battery is also very environmentally friendly, compared with traditional fossil fuel energy, the use of the battery does not produce harmful exhaust gas and pollutants.
In recent years, with the continuous development of science and technology, battery technology has also made great progress. The application of new materials and technological innovation can bring higher energy density and longer endurance to the battery, making the performance of electric vehicles, smartphones and other products has been greatly improved.