Zhang Jianhong: How far is the perovskite solar cell that is optimistic about by capital?

Zhongxin Jingwei September 6th. Question: How far is the perovskite solar cell that is optimistic about by capital?

Author Zhang Jianhong's Director of Environmental Technology, Economics and Economics Branch of the Chinese Society of Technical Economics and Economics

Recently, the fever of the perovskite battery sector has continued to increase. On September 6, the perovskite battery sector rose. As of press time, Jinjing Technology's daily limit, and Junda's shares approached the daily limit.

Many photovoltaic faucets have been layout

On August 30, Baoxin Technology announced that it was intended to sign the "Project Cooperation Framework Agreement" with special-appointed professors and doctoral tutors of Suzhou University and doctoral supervisor Peng Jun and Yang Xinto to cooperate to develop perovskite solar cells, perovskite-silicon-layer solar cells And production equipment.

And this is not the first listed company to enter the bureau. According to incomplete statistics, along with Baoxin Technology, at least 16 listed companies have shown their interest in ostestophytes. At present, there are many companies in the new energy industry chain in advance, among which there are many leaders such as Longji Green Energy, Tongwei Co., Ltd., and Ningde Times. Tencent, Country Garden and other companies have also participated in the form of investment in photovoltaic enterprises.

In the secondary market, many companies have also revealed the relevant layout. Jingshan Light Machinery has shipped at perovskite battery equipment. Lingda shares have previously announced that the third phase of the subsidiary Jinzhai Jiayue New Energy Plan is planned to build HJT (heterogeneous knot battery) superimposed perovskite battery project.

The road to industrialization is still in a bud state

Floody -type solar cells are solar batteries that use the organic metal halide semiconductors of perovskite type as a solar cell, which is completely different from the current crystalline silicon solar cells.

There is a high threshold for the manufacturing equipment of perovskite, and it is much higher than crystal silicon. Especially the crystalline equipment is unique to the perovskite and the highest threshold.

At present, the stability, large -sized size and other issues of perovskite batteries still need to be tested. Fluster osteotic ore is more applied to the new battery stacking process, and the road to industrialization of simple perovskite battery is only in a bud state. It can be said that at this stage, the oscope ore battery technology is more empowerment of crystalline silicon battery technology, and the heterogeneous knotting layer battery that increases perovskite technology should be the best breakthrough path for technology integration. There is still a long way to go on scale development. It is expected that the battery battery battery is difficult to commercialize within three to five years.

Will ostestophytes replace crystal silicon?

Silicon material has always been considered the basic raw material of the photovoltaic industry. The industry also has the saying that "those who get the world to get the world". Based on the silicon material, the traditional crystalline silicon battery is obtained. The battery and heterogeneous knot batteries are traditional crystalline silicon batteries, which are the second -generation photovoltaic battery technology.

The perovskite battery is the representative of the third -generation non -silicon film battery. Compared with the second generation, the advantages of the perovskite battery are extremely obvious, and it is specifically manifested as high conversion efficiency and low cost.

According to GCL nano, the maximum conversion efficiency of the theoretical theory of single -dynamic perxbasus battery is 31%, and the multi -end theoretical efficiency exceeds 50%, which is much higher than the 29.4%of the crystal silicon. The highest photoelectric conversion efficiency of single -section perovskite solar cells should be significantly higher than the conversion efficiency of crystal silicon solar cells, but the price is only half of crystalline silicon.

In addition, the potential potential in the field of photovoltaic ore batteries is huge, suitable for large -scale power stations and other scenarios. It is expected to be widely used in photovoltaic building integration and electronic consumer goods. Floody ore and its stack batteries are possible to replace and supplement crystalline silicon products.

At present, the efficiency and stability of perovskite are good in the laboratory, which may be the best choice for the next generation of photovoltaic materials. However, theoretically data and data in the laboratory are often different from the actual data. Moreover, the problem of short life and large -scale efficiency loss of perovskite batteries, if these have been effectively improved, it is expected to become the mainstream of the future efficient battery. Optimistic estimation is expected to mass production after 3 to 5 years. As for when the crystal silicon route is comprehensively replaced, the return on investment brought by the perovskite to operators is significantly higher than the crystal silicon model. (Zhongxin Jingwei APP)

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Editor in charge: Song Yafen

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