Recycling of Spent Batteries

Recycling of Spent Batteries from Electric Drive Vehicles

TMEC’s top-engineers, as a part of a NMetAU team, successfully completed the R&D GIPP project BNL-T2-0372-UA “Recycling of Spent Batteries from Electric Drive Vehicles” launched by the U.S. Department of Energy and Brookhaven National Laboratory with the main task to develop a unique, energy-efficient high-temperature furnace technology for thermal treatment of carbon materials recovered from used lithium-ion batteries.

Visit of the Industrial Partner to NMU 
 
During the last two decades, the market of lithium-ion batteries has been characterized by a dramatic growth as compared to other electrochemical energy storing devices. One of the main components of common lithium-ion batteries is high quality graphite. A standard 18 650 accumulator (65 mm high and 18 mm dia) contains about 10 grams of graphite in the negative electrode and 0.5 grams of graphite in the positive electrode. Growing consumption of batteries results in the increase in the market of graphite for lithium-ion accumulators. In 2001, 3000 tons of coal were utilized for lithium-ion batteries production (6,000 tons in 2003, 11,000 tons in 2004), and in 2012, the world consumption of graphite amounted 75,000 tons with the market value around US $ 0.8 Billion.

The developed technology allows to remove such impurities as metals, organics, residual sulphur and other contaminants at 2000-2500°C in electro-thermal fluidized bed. To put this technology to practice, the project team developed a number of successive technological operations and the appropriate equipment ensuring the efficiency of the whole process and high quality of the finished product. The operations include: preliminary drying; storing and feeding the material into the furnace; material treatment and cooling.

The main results of the project are:

  • the operating prototype of the small technological line (10 kg/hr) which was intended to test a number of design solutions and check technologies of treatment modes.
  • the industrial equipment comprising a furnace (1000 kg/hr) with electro-thermal bed, product coolers, auger feeders, an after-burner, a cyclone and a dryer.

What We Do

Development of innovative industrial technologies

Engineering in the thermal & material technologies

Manufacture and supply of equipment

Equipment adjustment and commissioning

Technical support of projects

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Consulting in thermal & material technologies

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