Iron-based catalyst helps zinc-air batteries power devices without precious metals
SMRTR summary
Tohoku University researchers developed an iron-based catalyst that boosts zinc-air battery performance without expensive precious metals. By combining iron oxide and samarium oxide, they sped up oxygen reactions and improved durability — successfully powering an LED lamp and charging a smartphone, potentially making clean energy storage more affordable and practical.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
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