this post was submitted on 19 Sep 2025
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China connects its largest battery-supercapacitor hybrid storage plant - Energy Storage (www.ess-news.com)
submitted 1 month ago by schizoidman@lemmy.zip to c/technology@lemmy.world
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China has connected to the grid a 100 MW hybrid energy storage facility that integrates supercapacitors and lithium-ion batteries

Touted as the world’s largest supercapacitor-based installation, the facility combines a 58 MW/30-second supercapacitor array with 42 MW/42 MWh of lithium-ion battery storage, spanning a footprint of approximately 16,800 square meters.

Supercapacitors provide ultrafast response times – specified at 0.001 seconds – and maintain over 85% capacity at –40°C, significantly outperforming lithium-ion batteries in extreme cold. By offloading rapid-response tasks to the supercapacitor, the system is expected to extend battery lifespan and reduce lifecycle costs by around 30%

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[–] thelittleblackbird@lemmy.world 1 points 1 month ago

Then I need an explanation how is possible to open a lot of new coal power plants and reduce the total peak amount of Co2.

It is something that I truly can not grasp