{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Liu S"],"funding":["Vehicle Technologies Office","Department of Energy","U.S. Department of Energy"],"pagination":["e202210522"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9826201"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["61(43)"],"pubmed_abstract":["The instability of carbonate electrolyte with metallic Li greatly limits its application in high-voltage Li metal batteries. Here, a \"salt-in-salt\" strategy is applied to boost the LiNO<sub>3</sub> solubility in the carbonate electrolyte with Mg(TFSI)<sub>2</sub> carrier, which enables the inorganic-rich solid electrolyte interphase (SEI) for excellent Li metal anode performance and also maintains the cathode stability. In the designed electrolyte, both NO<sub>3</sub> <sup>-</sup> and PF<sub>6</sub> <sup>-</sup> anions participate in the Li<sup>+</sup> -solvent complexes, thus promoting the formation of inorganic-rich SEI. Our designed electrolyte has achieved a superior Li CE of 99.7 %, enabling the high-loading NCM811||Li (4.5 mAh cm<sup>-2</sup> ) full cell with N/P ratio of 1.92 to achieve 84.6 % capacity retention after 200 cycles. The enhancement of LiNO<sub>3</sub> solubility by divalent salts is universal, which will also inspire the electrolyte design for other metal batteries."],"journal":["Angewandte Chemie (International ed. in English)"],"pubmed_title":["Salt-in-Salt Reinforced Carbonate Electrolyte for Li Metal Batteries."],"pmcid":["PMC9826201"],"funding_grant_id":["No. DE-AC05-76RL01830"],"pubmed_authors":["Zhang W","Deng T","Xia J","Zhang J","Nan B","Wang C","Liu S","Wan H","Rao J","Hou S","Xu J"],"additional_accession":[]},"is_claimable":false,"name":"Salt-in-Salt Reinforced Carbonate Electrolyte for Li Metal Batteries.","description":"The instability of carbonate electrolyte with metallic Li greatly limits its application in high-voltage Li metal batteries. Here, a \"salt-in-salt\" strategy is applied to boost the LiNO<sub>3</sub> solubility in the carbonate electrolyte with Mg(TFSI)<sub>2</sub> carrier, which enables the inorganic-rich solid electrolyte interphase (SEI) for excellent Li metal anode performance and also maintains the cathode stability. In the designed electrolyte, both NO<sub>3</sub> <sup>-</sup> and PF<sub>6</sub> <sup>-</sup> anions participate in the Li<sup>+</sup> -solvent complexes, thus promoting the formation of inorganic-rich SEI. Our designed electrolyte has achieved a superior Li CE of 99.7 %, enabling the high-loading NCM811||Li (4.5 mAh cm<sup>-2</sup> ) full cell with N/P ratio of 1.92 to achieve 84.6 % capacity retention after 200 cycles. The enhancement of LiNO<sub>3</sub> solubility by divalent salts is universal, which will also inspire the electrolyte design for other metal batteries.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Oct","modification":"2026-03-27T15:40:48.214Z","creation":"2025-04-05T10:26:57.508Z"},"accession":"S-EPMC9826201","cross_references":{"pubmed":["36040840"],"doi":["10.1002/anie.202210522"]}}