China to power up world’s largest ‘super-cold air battery’ in the Gobi Desert https://www.scmp.com/news/china/science/article/3337802/china-power-worlds-largest-super-cold-air-battery-gobi-desert Posted by WorthyPetals
RemoveInvasiveEucs on December 29, 2025 6:17 pm Key stats taken from a [different article that doesn’t have a paywall (for me at least)](https://interestingengineering.com/energy/china-super-cold-air-battery-gobi-desert) * 600 MWh * 10 hour duration * 55% round-trip battery efficiency * planning for 300 discharge cycles in a year. Nothing about cost, though it’s hard to translate costs in China to the rest of the world anyway…
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Key stats taken from a [different article that doesn’t have a paywall (for me at least)](https://interestingengineering.com/energy/china-super-cold-air-battery-gobi-desert)
* 600 MWh
* 10 hour duration
* 55% round-trip battery efficiency
* planning for 300 discharge cycles in a year.
Nothing about cost, though it’s hard to translate costs in China to the rest of the world anyway…