Publication number: 20250015365
Abstract: A rechargeable battery has a metal anode with a solid electrolyte interphase (SEI) surface layer, a cathode with a halogen species integrated in a porous carbon material, an electrolyte with an organic solvent and a salt that is in contact with the anode and the cathode, and an oxidizing gas in contact with the electrolyte. The SEI layer has the composition M?B?C?N?F?X?O?, where M is a metal, B is boron, C is carbon, N is nitrogen, F is fluorine, X is a non-fluorine halogen species, and O is oxygen; ? is a number in the range of 0.2-0.4, ? is a number in the range of 0.0-0.1, ? is a number in the range of 0.15-0.25, ? is a number in the range of 0.0-0.02, ? is a number in the range of 0.0-0.1, ? is a number in the range of 0.005-0.02, ? is a number in the range of 0.40-0.60, and ?, ?, ?, ?, ?, ?, and ? are selected such that the sum of ?+?+?+?+?+?+?=1.
Type:
Application
Filed:
July 3, 2023
Publication date:
January 9, 2025
Inventors:
Maxwell Giammona, Yumi Kim, Andy Theodora Tek, Holt Bui, Young-hye Na, Murtaza Zohair, Rei Tsukazaki, Tsubasa Itakura, Katsutoshi Suzuki, Kazunari Takeda