A lithium battery factory in Thailand achieved −60°C dew point, 40% lower dehumidification energy, and 99.8% production uptime with on-site PSA nitrogen inerting.
Industry: Lithium Battery Manufacturing
Location: Rayong, Thailand
Operation: 8 GWh/year NMC battery cell production. Class 100,000 dry room (1,200 m²). Electrolyte filling, cell assembly, and formation lines require < −50°C dew point.
Previous Setup: Desiccant wheel dehumidifiers running 24/7, consuming 680 kW. Liquid nitrogen top-up for critical zones at $0.45/Nm³.
$28,000/month in electricity for dry room dehumidification — the largest operational cost after raw materials.
Dew point fluctuations reaching −42°C during peak humidity months (April–October), risking moisture ingress in electrolyte filling.
High LN₂ cost: $0.45/Nm³ for delivered liquid nitrogen for purge zones. Annual LN₂ spend of $96,000.
Production vulnerable to LN₂ delivery disruptions during monsoon season (1–2 day delays, 2–3× per year).
System: Industrial Scale Nitrogen Station — 200 Nm³/h, 99.99% purity, integrated with dry room air handling.
N₂ Purging Strategy: Continuous 150 Nm³/h N₂ purge into dry room ceiling plenum reduces moisture load on desiccant wheels by 60%. Dew point target: −60°C.
Integration: N₂ line manifolded to 12 electrolyte filling gloveboxes, 4 formation rack enclosures, and 2 cell aging rooms.
Backup: 20 m³ LN₂ backup tank with auto-switchover — only activates if PSA system is offline.
Dry room assessment · 2 days
8 weeks manufacturing
Sea freight to Laem Chabang · 3 weeks
On-site in 4 days · Weekend install
Model: Industrial Scale Station
Flow: 200 Nm³/h
Purity: 99.99%
Power: 35 kW · 380V/50Hz
Dry Room Size: 1,200 m² Class 100,000
Certification: CE · ISO 9001
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