Correction: 06:40 In the graphic, we show the investment costs in Lithium-ion batteries versus Vanadium redox flow systems. In the graphic, we have shown the costs per megawatt hour (MWh), it should actually be the cost per kilowatt hour (KWh). For more news go to: http://www.dw.com/en/ Follow DW on social media: ►Instagram: / dwnews ►TikTok: / dwnews ►Facebook: / deutschewellenews ►Twitter: / dwnews Für Videos in deutscher Sprache besuchen Sie: / dwdeutsch Subscribe: https://www.youtube.com/user/deutsche...