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Sodium Ion

Power Cut Essentials
Power Cut Essentials: The Complete Winter Prep...

Discover how to prepare for power cuts in the UK this winter. Learn what supplies you need, how to stay warm and safe, and how microgrids with wind turbines and batteries can keep your home powered during outages.

Wake-Up Call for Energy Resilience
Blackout in Spain and Portugal: A Wake-Up Call...

The 2025 blackout exposed Europe’s grid weaknesses. Discover how small wind turbines and batteries can boost energy resilience. Freen offers real solutions.

Grid storage applications
Sodium-Ion or LiFePO4? A Practical Guide for E...

Discover sodium-ion batteries – eco-friendly, fast-charging grid storage with high power density challenging LiFePO4 technology.

Energy Storage Technologies
Energy Storage Technologies Compared: Engineer...

Energy Storage Technologies will grow 27% CAGR by 2030, with pumped-storage hydroelectricity leading at 127,000 MW global capacity.