As the spread of renewable energy continues to ramp up around the world, finding more efficient and affordable technologies for energy storage has become a high-priority issue for global energy security. While energy storage addition is making huge strides across the world, leading technologies – most notably lithium-ion batteries – have some critical drawbacks. As a result, the race to find the tech breakthrough to replace lithium-ion batteries is on as “clean energy’s next trillion-dollar business” heats up. …