What is the material of photovoltaic standard board

A solar panel is a device that converts into by using (PV) cells. PV cells are made of materials that produce excited when exposed to light. The electrons flow through a circuit and produce (DC) electricity, which can be used to power various devices or be stored in . Solar panels are also known as solar cell panels, solar electric pane. [pdf]
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Characteristics of power system energy storage batteries

In summary, the key characteristics of BESS are rated power capacity, energy capacity, storage duration, cycle life/lifetime, self-discharge, state of charge, and round-trip efficiency. [pdf]