See the history of the entire solar cell development

Looking back at the history of solar cell development, it can be roughly divided into five periods: germination period, climbing period, growth period, prosperity period and recession period.

Budding period (1839~1955):

The landmark event of this period was the discovery of the "photovoltaic effect". When the 19-year-old French beckleer did a physical experiment in 1839, he discovered the "photovoltaic effect". In 1954, Bell Labs developed the first practical value of silicon solar cells, and the New York Times called this breakthrough achievement "the beginning of a new era that ultimately led to the infinite sunshine serving human civilization."

Climb period (1959~1994):

In 1959, the first monocrystalline silicon solar cell was introduced. In 1960, the solar cell was first connected to the grid. In 1978, the United States built a 100KW photovoltaic power station, and then the solar efficiency continued to increase. In 1980, the efficiency of monocrystalline silicon solar cells reached 20%, and polysilicon was 14.5%.

Growth period (1994~2007):

In the decade from 1994 to 2004, global solar cell production increased by 17 times, and the average growth rate in the past five years exceeded 50%. After 2004, the solar cell market was highly competitive, and the leading pattern in Europe and Japan has been broken. Although the sales market is in Europe, the production center has turned to Asia. In 2007, China's solar cell production accounted for about one-third of the world's total output, becoming the world's largest producer of solar cells.

Prosperity period (2010 to the first half of 2011):

Since the second half of 2010, the demand for global economic crisis has been gradually released, and the production capacity is in short supply. By the first half of 2011, the global photovoltaic industry has experienced a new round of economic boom, and major manufacturers have expanded their production.

The recession period (the second half of 2011 to the end of 2012):

The blind expansion of production capacity in the post-financial crisis era led to a serious overcapacity in the entire photovoltaic industry, and the price of photovoltaic products such as polysilicon declined in a “cliff style”.

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