With the rapid development of photovoltaic power generation, the recycling of waste photovoltaic modules has also been derived. According to the International Renewable Energy Agency (Irena), by 2030, the cumulative waste of photovoltaic modules around the world will reach millions of tons; By 2050, it will reach tens of millions of tons.
On the one hand, if these waste components are not handled properly, they will have a serious negative impact on the environment and society, making the original intention of "green" no longer "green". On the other hand, the new energy industry is the main connotation and important support of low-carbon development and green economy, and low-carbon development and green economy are the driving force of the new energy industry. When the problem of waste photovoltaic group price left by the development of photovoltaic industry cannot be properly solved, it will inevitably hinder the sustainable development of photovoltaic industry.
The traditional development model based on resource and energy consumption poses an increasingly severe challenge to the human living environment. Green development and the development and utilization of clean energy have become the main theme of development all over the world. In this process, the photovoltaic industry has played an important role and will play a greater historical role. But at the same time, the large-scale application of photovoltaic power generation has led to the recycling of waste photovoltaic modules. Therefore, it is of great practical significance to study the decommissioning and recycling of waste photovoltaic modules.
Firstly, the recycling of waste photovoltaic modules is conducive to the reuse of resources. The large-scale application of solar photovoltaic power generation technology will greatly increase the consumption of some rare metals. For example, the electrode preparation of crystalline silicon battery needs to consume silver, tellurium, indium, gallium and so on. These materials also have broad application prospects in other cutting-edge technology fields. If the rare metals are not recycled after the photovoltaic modules are scrapped, it will inevitably cause great waste. Most of the materials of photovoltaic modules have the possibility of recycling. Through the recycling of waste photovoltaic modules, the recycling of rare metals, glass, aluminum and semiconductors can be realized, so as to reduce the exploitation of primary resources, reduce the energy consumption of resource refining and reduce the impact and damage to the ecological environment.
Secondly, the recycling of waste photovoltaic modules can give birth to new industrial forms and create more employment value. From the current recycling process of waste photovoltaic modules in Europe, the whole operation and management process of waste photovoltaic module treatment includes collection, registration, transportation, recycling and recycling. Each link requires a large number of personnel to participate, especially professional recycling technicians. Therefore, the recycling of waste photovoltaic modules can give birth to new industrial forms and create more employment value.
Moreover, the recycling of waste photovoltaic modules is conducive to realize the real green of photovoltaic power generation in the whole life cycle, so as to promote the sustainable development of solar energy industry. Since the industrialization of photovoltaic power generation technology, governments and enterprises of various countries have been actively committed to the green production and operation of photovoltaic power generation. So far, the industrial chain of crystalline silicon photovoltaic technology has achieved the requirements of pollution-free and environment-friendly from raw material production, cell manufacturing, module processing to system installation and operation. However, the random treatment of waste photovoltaic modules has bred many environmental pollution problems.
New energy industry is the main connotation and important support of low-carbon development and green economy, while low-carbon development and green economy are the driving force of new energy industry, which complement each other. Therefore, only by recycling waste photovoltaic modules, the last link of the photovoltaic industry chain, can the photovoltaic industry be green and pollution-free from the source to the terminal, so as to promote the sustainable development of the solar industry.
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