Effect of voltage elevation on cost and energy efficiency of power electronics in water electrolyzers | 2023 Publication type A1 Journal article (refereed), original research Author(s) Hysa Galdi, Ruuskanen Vesa, Kosonen Antti, Niemelä Markku, Aarniovuori Lassi, Guilbert Damien, Ahola Jero Energy - Transition to carbon neutrality LUT School of Energy Systems