EA Elektro-Automatik offering full regenerative power supplies to meet battery recycling demand

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In response to demand driven by the rapidly expanding electrical vehicle market, EA Elektro-Automatik has developed a range of products for the entire spectrum of battery recycling – from battery testing/recharge to second life to final recycling.

E-mobility is booming. But with increasing operating time, the lithium-ion batteries used become less effective and need to be replaced in the vehicle. The old batteries then begin a second life or are finally recycled and completely discharged.

EA offers a wide ranging product line for initial battery production, recharging, second life test and final recycling.  Its bidirectional power supply EA-PSB 10000 and regenerative electronic load EA-ELR 10000 provide safe and sustainable preparation of discarded batteries – with 96% regeneration efficiency.

Second-life use for rechargeable batteries

If the storage capacity of the lithium-ion battery systems is no longer sufficient for use in e-vehicles, residual capacities may well be available for second-life use as energy storage for solar power or wind energy. With the EA-PSB 10000 bidirectional power supply, the batteries are tested for their remaining capacity by charging them to almost 100% and then discharging them again.

At 30kW in a 4U package, the EA-PSB 10000 bidirectional power supply offers the highest power density on the market. Up to 1.92 MW is possible in a rack system, which means that mass testing is also possible without any problems. In addition, EA-PSB 10000 can seamlessly switch between operation as source and sink, which offers additional time savings.

The true autoranging capability of the PSB 10000 guarantees the maximum possible charge and complete discharge of the batteries through the high load currents even at voltages below 2 volts.

Its ability to restore voltage up to 96% efficiency makes the EA-PSB 10000 a highly cost-effective solution.

Safety and efficiency when fully discharging batteries

After a certain operating time, batteries can only be finally recycled. For this purpose, they are disassembled into their individual parts, which can be further used. This process must be managed properly to ensure safety and prevent ignition. Lithium-ion batteries and lithium-ion polymer batteries must be completely discharged, which can be achieved with the EA-ELR 10000 regenerative electronic load – the most efficient technology on the market.

Sustainable recovery of residual energy to the grid

With 30 kW in 4U, the EA-ELR 10000 series, like the EA-PSB 10000 series, has the highest power density on the market and can achieve up to 1.92 MW in rack systems. Users can extract large amounts of residual charge from batteries in a short time and feed it back into the grid with an efficiency of up to 96%. In this way, grid regeneration reduces operating costs, protects the environment and also lowers heat generation, which usually makes expensive external cooling systems unnecessary. Optionally, the EA-ELR 10000 is available in a sealed enclosure design with 90% efficiency water cooling.

Operating Software EA Power Control Software

The EA Power Control operating software with user-friendly interface allows convenient and precise control of EA products via Windows PC. This allows users to conveniently operate DC power supplies and electronic loads by remote control. The optional Multi Control also allows the settings of up to 20 EA devices to be managed simultaneously – a highly efficient method, especially for mass testing and discharging.

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Saul Wordsworth is deputy editor of the iVT brand - which includes digital and print editions of a quarterly magazine and Off-Highway Annual, as well as ivtinternational.com. He is a keen cyclist and lives in north London.

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