A surprising breakthrough could help sodium-ion batteries rival lithium—and even turn seawater into drinking water. Scientists discovered that keeping water inside a key battery material, instead of removing it as traditionally done, dramatically boosts performance. The “wet” version stores nearly twice as much charge, charges faster, and remains stable for hundreds of cycles, placing it among the top-performing sodium battery materials ever reported.
The harder to obtain materials aspect, while long term relevant, is barely a factor right now. Lithium production has exploded and resulted in a massive drop in prices that’s making the main consumer appeal for sodium batteries, price, a non-factor and driving some sodium battery producers out of business