Duesenfeld’s core technology combines deep discharging, mechanical crushing, low-temperature processing, and hydrometallurgical techniques. This patented process achieves a 91% recycling rate at the cell level, eliminates toxic emissions, removes fluorides, recovers electrolytes for reuse, and saves 8.1 tons of CO2 per ton of batteries compared to primary extraction (4.8 tons versus conventional melting).
Duesenfeld operates a demonstration recycling plant with a 3,000-ton annual capacity and licenses its mechanical and hydrometallurgical low-temperature recycling technology to third-party recyclers worldwide.
In 2024, Duesenfeld received the German Sustainability Award for its R&D in environmentally friendly battery recycling. It partnered with ReElement Technologies to supply high-quality LFP black mass, operates a demonstration plant, and is expanding larger-scale facilities while licensing its technology globally.
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