Traction lithium-ion batteries for special equipment

Lithium-ion batteries for new models of equipment, as well as for reequipment of the existing units from lead-acid batteries (LAB) to lithium-ion batteries (LIB)

Problems and solutions

Problems

  • Available capacity of alkaline and acid batteries is 70-75%

  • Low power characteristics. On average, LAB can produce continuous current of about 0,5 C.

  • Low service life of lead-acid batteries — about 1500 discharge-charge cycles

  • Low service life of acid batteries — less than 5 years

  • Limited operating temperature conditions

  • Solutions

  • The available capacity is about 92-95%. Thus, LIB can produce more power with the same capacity.

  • High power characteristics. LIB in normal mode can produce a current of 3 C. This advantage also allows to significantly reduce the rated capacity of LIB.

  • LIB life is up to 5000 discharge-charge cycles with a discharge depth of up to 80%

  • LIB service life is up to 20 years

  • Operational temperature from −40 °C to +80 °C

  • Problems

  • A charging room is required — a hazardous production facility

  • Hydrogen is released during the charging of alkaline and acid batteries, i.e. there is a risk of explosion

  • Solutions

  • No charging room required (decommission of a hazardous production facility is possible)

  • LIB are sealed, no hydrogen is released during charging

  • Problems

  • LAB require maintenance and a separate room for charging

  • Charging process of alkaline and acid batteries can take up up to 10-12 hours

  • Electric vehicle downtime due to long charging period

  • Additional spare battery is required. 2 or 3 batteries are needed to operate a warehouse 24/7

  • Systematic undercharging that leads to sulfation and a decrease in LAB capacity

  • Operators fully discharge batteries. Each deep discharge takes up to 3% of the remaining capacity of LAB

  • Solutions

  • LIB enable savings on maintenance, staff and charging room operating costs

  • Charging the LIB takes 1 hour or more (depending on the power of the charger)

  • Charging can be carried out at the electric vehicle operation site using an convenience outlet

  • The battery can be charged even if it is not fully discharged. Backup battery reserve is not required. 1 battery is needed to operate a warehouse 24/7.

  • Lithium-ion batteries does not need to be fully charged

  • BMS monitors remaining charge level and will disconnect the battery at a dangerous level

  • Problems

  • Charging of alkaline and acid batteries should be performed only in specially equipped charging rooms, pre-registration in a charging queue is required

  • It is necessary to dismantle batteries from electric vehicles

  • Inefficient and time-consuming monitoring of battery condition during operation.

  • Solutions

  • LIB can be charged at the electric vehicle operation site using an outlet

  • Dismantling is not required

  • The built-in LIB monitoring and control system (BMS) continuously monitors the battery status in automatic mode and can also send data to the server

  • Features

    20 years
    of service life without battery replacement
    5000
    charge/discharge cycles
    1-2 hours
    charging time of a Li-ion battery

    Features

    300 Wh/kg
    maximum LIB energy density
    93%
    battery efficiency
    3%
    self-discharge rate per month

    Benefit

    SCAB LIAB
    Purchase of 13 new batteries 3 510 000 -11 310 000
    Service per year 1 040 000 -130 000
    Maintenance of the premises per year 1 200 000 -
    Inflation 6%

    Save on maintenance, staff and charging room operating costs

    3.5 years

    Discounted
    payback period

    IRR 52%

    Calculator

    for switching from LAB to LIB

    Current parameters of working with LAB

    Opening hours
    Capacity
    Room (sq m)
    Number of vehicles
    Number of ska batteries
    Recommended value 14
    Voltage

    The calculation is based on average market prices for LAB and LIB, established by LLC RENERA, in the course research in 2020 year, based on average calculated indicators maintenance of batteries and charging room in 2020 according to experience of partners LLC RENERA, and also based on the average annual rate inflation and euro rate in for October 2020 year.

    The calculation is for informational purposes only and may differ depending on from battery parameters and conditions of their operation.

    The economic effect of refurbishment technology on lithium-ion batteries is achieved through benefits of LIB:

    • Lithium-ion batteries do not require a replacement battery
    • Lithium-ion batteries charge in 1 hours and do not require charging room
    • Maintenance-free lithium-ion batteries
    1: Active balancing system
    2: Convectional and liquid battery temperature control systems
    3: Energy efficiency above 140 Wh * kg in a ready-made solution
    4: Modular LIB design
    01
    Инфографика Тяговые ЛИАб

    Individual approach

    We are ready to develop a custom-tailored solution for each client and offer a flexible list of specifications for your project. You can choose the dimensions, charging and running time, and other specifications.

    Projects

    We also offer cooperation throughout the entire project life cycle — from energy audit to technical support, as well as beneficial financial cooperation.

    Manager

    Erin
    Pavel Valerievich

    Our managers will be glad to answer your questions regarding purchase and cooperation.

    Contact us

    Our staff will help you select equipment and calculate the price based on your requirements.

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