LOTUS R&D

engineering, research, design, prototyping, analysis


Design/Engineering

Electro-Mechanical Assemblies

  • Battery Assemblies & Electronics (Terrestrial, Aerospace, & Space Applications)
    • Specializing in High Specific Energy Batteries with an emphasis on efficiency, safety and design for manufacturing
      • Cell runaway fault tolerance ( if a cell goes into runaway, it will not propagate to the rest of the battery )
      • Distributed thermal management ( low thermal gradient across the entire battery ) 
      • Custom fusing for each cell, module, and battery
      • Designed/analyzed for a variety of environments ( vibe, shock, thermal, vacuum, EMI/EMC, proton radiation, humidity/salt fog, crush )
    • Battery Management Systems
      • Cell/module balancing
      • High accuracy "fuel gauge" 
      • High and low voltage batteries ( > 500 VDC )
      • Smart fusing
  • Sensors

Electronics

  • Circuit Design/ Schematic Capture
  • PCB Layout

Testing

Batteries (Single Cell, Module & Pack)

  • Capacity, AC Impedance, DC Resistance, Cycle Life and Shelf Life.  All parameters vs. differing temperatures, and discharge/charge rates.
  • Electrochemical Impedance Spectroscopy (EIS)
  • Destructive Testing - high current, over voltage, thermal, crush, puncture
  • Cell Screening - anomaly detection including electrochemical and visual inspection

Analysis

Thermal (Steady State and Transient)

Flow (Compressible and Non-compressible Fluids)


 

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