This French company uses glass fiber reinforced flywheels for energy storage instead of steel. Quote:<\/p>\n
<< Gennesseaux went on to say. \u201cWe are around 10 grams of CO2 per kWh, while lithium-ion batteries are around 40g CO2\/kWh, at the same level as steel flywheels.”>><\/p>\n
Initially the flywheel will store 10 kWh. It’s buried underground. Steel flywheels cost about 200 Euros per kWh – concrete is less expensive – a few Euros – and uses common raw materials.<\/p>\n
https:\/\/www.pv-magazine.com\/2021\/06\/21\/concrete-flywheel-storage-system-for-residential-pv\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" This French company uses glass fiber reinforced flywheels for energy storage instead of steel. Quote: << Gennesseaux went on to say. \u201cWe are around 10 grams of CO2 per kWh, while lithium-ion batteries are around 40g CO2\/kWh, at the same level as steel flywheels.”>> Initially the flywheel will store 10 kWh. It’s buried underground. Steel <\/p>\n (Read More…)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[305,706,1145,205],"tags":[956,602,1146],"class_list":["post-16109","post","type-post","status-publish","format-standard","hentry","category-electromechanical","category-energy-storage","category-flywheel","category-mechanical-devices","tag-concrete","tag-flywheel","tag-glass-fiber"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/16109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16109"}],"version-history":[{"count":3,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/16109\/revisions"}],"predecessor-version":[{"id":16112,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/16109\/revisions\/16112"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16109"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}