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The article explains why solid-state batteries are gaining attention, detailing their advantages over conventional lithium-ion batteries and the massive industry investment from companies like CATL, BYD, LG, and Samsung.
Despite decades of hype, solid-state batteries remain unready for mass production, but semi-solid-state (gel) batteries are now entering the market, offering improved safety and longevity for power banks and e-bikes at a slightly higher cost.