The Sustainability Office at the Nanyang Technological University (NTU), Singapore has developed a new ca of a lithium-ion battery's critical elements, by using an eco-friendly, low-heat process that relies on food waste.
The process utilises fruit peels of oranges to give an acidic aqueous media to disintegrate the Li-ion cells, has allowed researchers at the NTU to develop a more sustainable recycling solution compared to the conventional Pyrometallurgy or Hydrometallurgy processes, which are also high on energy consumption.
NTU's newly-developed process is low on infrastructure requirements, warranting up to 60 percent lesser investments in this new environment-friendly e-waste recycling methodology, compared to conventional processes. While heat-based Pyrometallurgy achieves temperatures as high as 1000-degree Celsius in a furnace, Hydrometallurgy disintegrates the battery composition by using strong acids.
Utilising waste to treat e-waste
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