The solution leverages four core innovations: sodium-ion chemistry for thermal stability and long-term cycling resilience, advanced passive cooling for reliability and silent operation, distributed string architecture for modular scalability, and DC-coupling to maximize energy . The solution leverages four core innovations: sodium-ion chemistry for thermal stability and long-term cycling resilience, advanced passive cooling for reliability and silent operation, distributed string architecture for modular scalability, and DC-coupling to maximize energy . The Dutch start-up, founded by former Tesla leaders, is taking a novel approach to sodium-ion battery technology, optimizing it for integration with solar power plants. Its technology is set to be deployed for the first time in a Dutch solar-plus-storage project later this year. From ESS News. A sodium-ion battery works much like a lithium-ion one: It stores and releases energy by shuttling ions between two electrodes. But unlike lithium, a somewhat rare element that is currently mined in only a handful of countries, sodium is cheap and found everywhere. Over the past years, renewable energy has steadily grown globally, driven by resource availability, policy frameworks, and technological advancements. As of 2024, renewables accounted for. Moonwatt, a Netherlands-based energy storage developer, is addressing this challenge with a purpose-built sodium-ion battery energy storage system (BESS) engineered for hybrid solar applications.