biostudies-literatureUmeno HCRESTCore Research for Evolutional Science and TechnologyGrant-in-Aid for Scientific ResearchUniversity of TokyoMinistry of Education, Culture, Sports, Science and TechnologyJapan Science and Technology CorporationAsahi Glass FoundationJSTJPSP KAKENHIPhoton Factory Program Advisory Committeee2104907https://www.ebi.ac.uk/biostudies/studies/S-EPMC9035997biostudies-literatureUnknown9(12)Aqueous lithium-ion batteries are promising electrochemical energy storage devices owing to their sustainable nature, low cost, high level of safety, and environmental benignity. The recent development of a high-salt-concentration strategy for aqueous electrolytes, which significantly expands their electrochemical potential window, has created attractive opportunities to explore high-performance electrode materials for aqueous lithium-ion batteries. This study evaluates the compatibility of large-capacity oxygen-redox cathodes with hydrate-melt electrolytes. Using conventional oxygen-redox cathode materials (Li<sub>2</sub> RuO<sub>3</sub> , Li<sub>1.2</sub> Ni<sub>0.13</sub> Co<sub>0.13</sub> Mn<sub>0.54</sub> O<sub>2</sub> , and Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2</Advanced science (Weinheim, Baden-Wurttemberg, Germany)Oxygen Redox Versus Oxygen Evolution in Aqueous Electrolytes: Critical Influence of Transition Metals.PMC90359972018A75602018B75902018G08220H056732021A749818H0392418K191242020A7474JPMJCR21O62019A74522019B745619H05816Kawai KYamada AUmeno HOkubo MAsakura DfalseOxygen Redox Versus Oxygen Evolution in Aqueous Electrolytes: Critical Influence of Transition Metals.Aqueous lithium-ion batteries are promising electrochemical energy storage devices owing to their sustainable nature, low cost, high level of safety, and environmental benignity. The recent development of a high-salt-concentration strategy for aqueous electrolytes, which significantly expands their electrochemical potential window, has created attractive opportunities to explore high-performance electrode materials for aqueous lithium-ion batteries. This study evaluates the compatibility of large-capacity oxygen-redox cathodes with hydrate-melt electrolytes. Using conventional oxygen-redox cathode materials (Li<sub>2</sub> RuO<sub>3</sub> , Li<sub>1.2</sub> Ni<sub>0.13</sub> Co<sub>0.13</sub> Mn<sub>0.54</sub> O<sub>2</sub> , and Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2</2022-01-01T00:00:00Z2022 Apr2025-04-05T11:59:45.363Z2025-04-05T11:59:45.363ZS-EPMC90359973518204910.1002/advs.202104907