Sodium-Ion Battery Electrolyte Salt Selection
Sodium-ion battery electrolyte salt selection is one of those decisions that looks like a purchasing detail and turns out to define cycle life, low-tempera…
Home Energy Storage Interconnection Agreements and Queues
Most home energy storage projects I review do not fail on cell chemistry, weld quality, or inverter sizing. They fail on paperwork. I have signed off on se…
Battery Solution for Water Treatment Pumping Stations
Pumping stations are the least photographed asset in a water utility and the one that punishes a power outage fastest. A treatment plant can coast for twen…
Sodium-Ion Battery Passport and EU Compliance
What the EU Battery Passport Actually Requires
I have spent the last three years shipping sodium-ion and lithium battery packs into European industrial pro…
Sodium-Ion Battery Hard Carbon Anode Explained: Microstructure, First-Cycle Efficiency and Sourcing Guide
If you have been evaluating a sodium-ion battery for stationary storage, low-temperature equipment, or a cost-sensitive fleet application, you have probabl…
Sodium-Ion Battery Design for Street Lights: Off-Grid Autonomy Modeling, MPPT Harvesting Windows, and Flood-Resistant Pole-Base Enclosure Integration
Twelve years into designing lithium battery packs for outdoor deployments, I assumed the first truly large sodium-ion fleet I would touch would be a contai…
Semi-Solid State Battery for High Altitude Platforms: Stratospheric Day-Night Energy Budgeting, Low-Pressure Thermal Design, and Multi-Week Endurance Cycling
I have spent the last four years building lithium battery packs for aircraft that never land. Not passenger jets — high altitude platform stations (HAPS):…
Sodium-Ion Battery Reliability for Backup Power: An Engineer’s Honest Assessment
Over the past eleven years I have specified, tested, and audited backup power batteries for telecom cabinets, hospital transfer switches, data-room UPS st…
Semi-Solid State Battery Grid-Scale Storage: An Engineer’s Field Guide to Containerized BESS Deployment
When a utility asks me to size a 100 MWh storage block, the first question used to be simple: LFP or NMC? In 2026 that question has a more interesting thir…