Can lithium-ion batteries be charged with solar energy?
2022.May
25
Can lithium-ion batteries be charged with solar energy?
1. Lithium-ion batteries can be fully charged with solar chargers
1. The power provided by the solar panel is a 'current limited' power source. The way to achieve the maximum charging power of the solar panel to the lithium-ion battery is: when the total current required for charging the system and the battery exceeds the output current capability of the solar panel, it is necessary to reduce the charging current to adjust the system bus voltage near the MPP. The key elements for designing a reliable solar panel power system are the system power and battery charging power control architecture.
2. Solar energy is the most attractive energy source for powering portable devices, however, the power provided by solar panels is highly dependent on the working environment, including factors such as light source density, duration of exposure, and location. Therefore, batteries are often used as energy storage units. The battery is charged when the solar panel has more power, and when the solar panel provides insufficient power, the battery can supply power to the system. Battery charging systems require matching solar cell characteristics in order to more efficiently extract maximum power from the solar cells.
3. The core device of the solar charger is composed of a solar cell and a solar charge controller. The sensitivity of the solar cell is generally the entire visible light, whether it is sunlight or light. In fact, solar cells are just a common name for this device. The accurate name during this period should be "photosensitive cell" or "photovoltaic cell". According to the manufacturing materials, it is divided into silicon photovoltaic cells and selenium photovoltaic cells. The principle is the photoelectric effect. The reason why it is called a photovoltaic cell means that the device will generate electricity under the condition of light.
Second, the advantages of solar chargers
1. The solar charger does not need AC power under the sun, and directly converts sunlight energy into DC power. You can charge small electrical appliances such as mobile phones, digital cameras, power banks, and mp3 anytime, anywhere. It is an essential companion for people who love to travel, frequent business travelers, outdoor sports people, and business workers.
2. The solar charger is a high-efficiency solar battery with a built-in lithium-ion battery for energy storage, which can be charged in free time and used in an emergency. Applicable to various types of mobile phones and other electrical appliances. Completely eliminate the troubles of power shortage, power outage, and occasional battery usage in outdoor activities.
3. The solar charger can charge quickly. When there is no electricity, the mobile phone can be charged after 3 minutes of sunlight exposure, and the mobile phone can be charged while the sun is shining on the solar battery to charge.