4 FAQs about Statistics of aluminum used in photovoltaic brackets

Why is aluminum used in photovoltaic systems?

Aluminum is widely used in the manufacture of photovoltaic (PV) systems such as BSF and PERC cells (Allen et al., 2019), inverters (Zeng et al., 2017), brackets (Lv et al., 2017), and frames (ITRPV, 2022) due to its excellent electrical conductivity and durability.

How much aluminum is used in photovoltaic systems in China?

The consumption of aluminum (both primary and recycled) for the production of photovoltaic systems accounted for 0.0007 % of China's total aluminum in 2000, and this figure increased to 3.3 % by 2020, representing an approximate 5000-fold increase from the year 2000 (Tables S5 and S8).

Can aluminum be used in a PV system?

Aluminum in assembled PV systems is used for export or domestic installations, and PV systems exported will no longer be within the system boundary. At the end-of-life, domestic PV systems enter the waste management phase. In this study, we focus on the mass of the aluminum element within Al-containing materials.

How much aluminium is lost in a PV system?

(c) Aluminum loss and recycling from the end-of life in the early-loss scenario. PV systems will generate Al waste after their end-of life. As shown in Fig. 4 (b), in the regular-loss scenario, Al waste is concentrated in 2039 to 2052, with a total of 2.07 Mt of Al waste generated, of which 1.94 Mt are recycled and 133 kt are lost.

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