Which industry is better between photovoltaics and lithium batteries? Can photovoltaics use lithium batteries to generate electricity?

by:CTECHi     2021-08-10

Which industry is better between photovoltaic and lithium battery? Can photovoltaics use lithium batteries to generate electricity? Previously, most photovoltaic systems also used lead-acid batteries as energy storage devices, but in contrast, the replacement of lithium iron phosphate batteries can give full play to its advantages, including improving energy storage efficiency and extending service life. Both photovoltaics and lithium batteries require corresponding energy storage.

Which industry is better between photovoltaic and lithium battery?

From the perspective of the industry, the photovoltaic industry has the strongest development momentum, but from the perspective of market popularity, lithium batteries are also in the forefront. While photovoltaic new energy has achieved rapid development in our province, the lithium battery new energy industry is also booming. With the completion of a number of major projects, the 100 billion lithium battery industry has set sail.

Strive to build a modern industrial system that is green and low-carbon, driven by innovation, circular integration, distinctive features, and significant benefits. Green development has become an important development direction of the industrial economy in the park. New energy The development competition and complementary advantages between industrial photovoltaics and lithium batteries are increasingly intensifying, and the green development 'sounds' the 'main theme' of the industry.

The advantages and prospects of photovoltaic energy storage technology

Greater benefits: Previously, the self-use part of the user's photovoltaic system was relatively low, perhaps less than 30%. The combination of photovoltaic + energy storage will greatly provide the self-use rate and improve user benefits.

Photovoltaic wind power and other renewable energy power generation will be affected by weather conditions. The photovoltaic energy storage system can quickly and accurately store electricity, smooth short-term fluctuations, eliminate maximum load power consumption, and solar energy is available at any time .

With the continuous increase in the proportion of clean energy and the rapid development of energy storage technology, with photovoltaics as the core competitiveness, integrated energy storage technology is the future development trend, which will reduce energy conservation. Emissions and reducing the carbon consumption of electricity users have a very positive effect. In the future, the entire power system will face major adjustments and major developments in the energy structure.

Development prospects of lithium battery energy storage industry

The application fields of lithium battery energy storage include power transmission and distribution, power demand side management , Electric vehicles, distributed power generation and microgrid, power auxiliary services, renewable energy power generation, etc. Under the background of clear policy support, with the basic formation of industry stability expectations, photovoltaic companies, distributed energy companies, power equipment companies, power battery companies, electric vehicle companies, etc. have entered one after another, and began to increase their efforts to develop the energy storage market. , To further explore profitable business models. Before, the lithium battery energy storage industry was almost all over the country.

At the beginning of the 20th century, many industry research organizations in the world were optimistic about the future development of the lithium battery energy storage industry and looked forward to the 'golden decade' of the energy storage industry.

Can photovoltaics use lithium batteries to generate electricity?

Before, with the rapid development of wind power, grid dispatching was tight, and there was an urgent need for more energy storage power stations for peak shaving and peak shaving frequency. At the same time, industrial and commercial energy storage and household energy storage have great potential, and photovoltaic power stations can achieve clean energy and self-sufficiency. In the photovoltaic solar power generation system, energy storage lithium batteries and devices are an indispensable part of energy storage. Its main function is to store the electrical energy of the photovoltaic power generation system and supply power to the load in the event of insufficient sunshine, night and emergency.

In recent years, the proportion of 'instability in power generation' and photovoltaic renewable power grids has been increasing. In addition, European governments have been adjusting related feed-in tariff laws and reducing subsidy policies, which has increased the cost of photovoltaic grid-connected, and the demand for photovoltaic energy storage in European countries is on the rise.

The new lithium battery is used as the energy storage device of the photovoltaic system, and the energy storage efficiency can be increased to 95%, which greatly reduces the cost of solar power generation. Before most photovoltaic systems also used lead-acid batteries as energy storage devices, but in contrast, the replacement of lithium iron phosphate batteries can give full play to its advantages, including improving energy storage efficiency, extending service life, and reducing unit costs. This type of lithium battery can be used as an energy storage device, and its energy efficiency can be increased far beyond 95% or 80% of traditional lead-acid batteries, and its charge and discharge life span is 1,600.

Energy storage is of great significance as a bridge connecting the power generation side, the power supply side and the power consumption side. In short, the application of lithium battery energy storage system can effectively compensate for the randomness of renewable energy power generation, improve its consumption level and grid stability; support for distributed power, microgrid and even energy Internet is to promote fossil energy to replace the main energy with renewable energy. The key technical energy.

In the future, lithium batteries will play a key role in the process of photovoltaic grid-connected power generation, let us wait and see!

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