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A silicon wafer - Photo: Piotr D./stckxhcng

Photovoltaics – the Law of Comparative Advantage in Action

China has an important share in world patents for upstream high-value processes in photovoltaic cell manufacture, such as the production of silicon, ingots and wafer segments. But those patenting activities are the result of Chinese public research institutes’ efforts to break the country’s dependence on foreign suppliers of hi-tech components, according to researchers from Mines Paris Tech. That R&D is not […]

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