Technology remains the theme of the photovoltaic industry
In 2018, after experiencing short-term fluctuations, the whole industry still achieved good results. The production planning of all links in the industrial chain still insisted on increasing the situation. Experts have shown that the use of skills such as diamond cutting and the large-scale production of PERC batteries have promoted the rapid improvement of product performance and the rapid decline of cost in 2017-2018. It is expected that the components of double-sided, half-chip, MBB, laminated and other components will be Rapid development, N-type battery, PERC battery, Topcon, HIT and other battery skills will lead the way in the development of photovoltaic battery skills.
China's photovoltaic industry has been rapidly developed in recent years, industrial planning has expanded rapidly, and the market share of all links in the industrial chain has ranked first in the world for many years. China has become an important photovoltaic power in the world.
Wang Bohua, vice chairman and secretary general of China Photovoltaic Industry Association, pointed out thatPhotovoltaic industryIt has become one of the industries in China that can simultaneously participate in international competition and gain an advantage in industrialization.
In this process, China's photovoltaic technology is agile, and the industry is in a period of rapid change. According to Wang Shijiang, deputy secretary-general of China Photovoltaic Industry Association, in terms of product efficiency, in 2018, the uniform conversion efficiency of polycrystalline black silicon cells planned and produced in China exceeded 19%, and single crystal and polycrystalline black silicon cells using PERC battery skills. The uniform conversion efficiency reached 21.8% and 20.3%, which was significantly higher than that in 2017.
"In the past few years, China has basically completed the localization of the equipment in the production line of conventional photovoltaic cells. The technical equipment such as large-scale production and mass production of high-efficiency batteries has also been broken by localization, and the cost of new production lines has dropped sharply." Wang Shijiang said that looking forward to the future, the advancement of photovoltaic technology will continue to be the primary means to promote the cost reduction of the photovoltaic industry. PERC batteries, Topcon, HIT, etc. are the primary development directions for future battery skills.
"The relationship between the above-mentioned photovoltaic cell skills is not one or the other, but coexistence and mutual success." Li Shijun, general manager of Shenzhen Jiejia Weili Power Equipment Co., Ltd. made up for it.
However, we must also see that in the above-mentioned critical equipment of battery technology, although there are already enterprises in China in layout and development, there is still a distance compared with the advanced level in foreign countries, especially in terms of some vital materials of photovoltaics. If you do not master the central skills, you will fall into a passive situation in global trade, and intellectual property disputes may become a relatively large focus in the future. In order to ensure industrial safety and further reduce the cost of photovoltaic power generation, it should adapt to the trend of photovoltaic battery technology development and continue to promote the localization of photovoltaic equipment.
At present, the promotion of photovoltaic center skills and equipment has been included in the special national research and development plan of the Ministry of Science and Technology. According to Jin Hao, vice president of Jinko Power Holdings Co., Ltd., the key project of “renewable power and hydrogen energy skills” will be implemented in 2018. There are 10 items related to solar energy. It is proposed to discuss the skills and equipment of the front-end photovoltaic center, and support the photovoltaic industry to continue to adhere to the output value and the first place in the shopping mall, and to lay the foundation for the comprehensive completion of photovoltaic parity. Its policy and task is to break the central skills and equipment of photovoltaic planning and utilization, improve the localization of the central equipment and its production line, complete the international level of photovoltaic system and manufacturing, and lead some international skills. "This is a clear direction for advancing the skills of China's high-efficiency photovoltaics."
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