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Volts

Electrifying battery recycling

Jan 24, 2024
Steve Cotton, CEO of Aqua Metals, talks about regenerative electro-hydrometallurgy, a clean and cost-effective battery recycling method. Topics include the need for cleaner recycling methods, challenges in handling chemicals, renewable electricity, market value of metals, expansion plans, managing debt, benefits and risks of recycling, and the convenience of charging stations.
01:05:38

Episode guests

Podcast summary created with Snipd AI

Quick takeaways

  • Regenerative Electro-Hydrometallurgy replaces traditional battery recycling methods and uses clean, cheap, renewable electricity, resulting in high recovery rates of critical battery minerals with minimal waste.
  • Aqua Metals aims to scale up its operations and produce 35,000 tons of recycled battery materials, offering a net-zero carbon footprint and meeting the increasing demand for clean and sustainable materials in various industries.

Deep dives

The Problem with Current Battery Recycling Methods

The current methods of battery recycling, pyrometallurgy (burning batteries) and hydrometallurgy (shredding batteries and soaking in liquid), have limitations. These methods only capture a limited set of metals and produce environmentally harmful byproducts, including CO2 emissions. They also do not effectively recover valuable lithium from the batteries. Additionally, the processes require high temperatures, fossil fuels, and large quantities of chemicals, resulting in safety concerns, environmental impact, and high costs.

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