{"id":80683,"date":"2025-02-24T12:03:38","date_gmt":"2025-02-24T17:03:38","guid":{"rendered":"http:\/\/autosector.com\/?p=80683"},"modified":"2025-02-24T12:03:38","modified_gmt":"2025-02-24T17:03:38","slug":"1145822_mercedes-benz-eqs-621-mile-range-solid-state-battery-test","status":"publish","type":"post","link":"http:\/\/autosector.com\/?p=80683","title":{"rendered":"Mercedes EQS aims for 621-mile range, tests solid-state battery"},"content":{"rendered":"

Mercedes-Benz on Monday announced the start of real-world testing of prototype solid-state battery cells from the U.S. firm Factorial<\/a>.<\/p>\n

These cells were installed in a Mercedes-Benz EQS sedan in late 2024, and the car has been used in laboratory tests since then, according to a Mercedes press release. The automaker now claims the EQS is ready for road-testing\u2014and that it could achieve up to 621 miles of range<\/strong> (1,000 km, on an unconfirmed drive cycle) with solid-state cells.<\/p>\n

<\/p>\n

\"Mercedes-Benz<\/p>\n

Mercedes-Benz EQS solid-state battery prototype<\/p>\n<\/div>\n

That range is possible mainly due to the solid-state cells’ increased energy density. Mercedes claims these cells allow for 25% more energy<\/strong> (and range) for the same weight and dimensions of the standard EQS battery pack. Passive battery cooling<\/strong>, such as what was used in the Mercedes EQXX<\/a> engineering concept, will also help lower weight and increase efficiency.<\/p>\n

Developed with input from Mercedes’ Formula 1 powertrain unit, the EQS test vehicle’s battery pack uses a new floating cell carrier, with pneumatic actuators that compensate for expansion and contraction of the cells as they charge and discharge, respectively.<\/p>\n

\"Mercedes-Benz<\/p>\n

Mercedes-Benz EQS solid-state battery prototype<\/p>\n<\/div>\n

The partnership between Mercedes and Factorial goes back to 2021. Factorial began providing test cells<\/a> to Mercedes (as well as Stellantis) in 2022, and in 2024 appeared confident that its cells could boost Mercedes EV range<\/a> by up to 80%. The Massachusetts-based battery firm has also opened what it claims is the largest U.S. EV solid-state battery plant yet<\/a> in a Boston suburb. But that plant\u2014with which aims Factorial aims to eventually produce up to 200 gigawatt-hours of batteries annually\u2014is still small compared to conventional battery plants.<\/p>\n

Mercedes will continue its testing in the laboratory and on the road over the next few months, but it may lead to a commitment to use solid-state cells in production vehicles<\/strong>. And if they are commercialized, a new micro-converter also being developed by the automaker plus some extra cooling-system innovation might allow them to be mixed with other cell types<\/a> in the same EV battery pack.<\/p>\n","protected":false},"excerpt":{"rendered":"

Mercedes-Benz on Monday announced the start of real-world testing of prototype solid-state battery cells from the U.S. firm Factorial. These cells were installed in a Mercedes-Benz EQS sedan in late 2024, and the car has been used in laboratory tests since then, according to a Mercedes press release. The automaker now claims the EQS is […]<\/p>\n","protected":false},"author":1,"featured_media":8313,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4],"tags":[],"class_list":["post-80683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-e-cars"],"_links":{"self":[{"href":"http:\/\/autosector.com\/index.php?rest_route=\/wp\/v2\/posts\/80683","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/autosector.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/autosector.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/autosector.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/autosector.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=80683"}],"version-history":[{"count":0,"href":"http:\/\/autosector.com\/index.php?rest_route=\/wp\/v2\/posts\/80683\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/autosector.com\/index.php?rest_route=\/wp\/v2\/media\/8313"}],"wp:attachment":[{"href":"http:\/\/autosector.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=80683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/autosector.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=80683"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/autosector.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=80683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}