Sulfonate ester electrolyte regulates Li+ desolvation energy to construct high-rate aqueous lithium-ion batteries
Abstract
A sulfonate ester is introduced into an aqueous electrolyte to partially pull H2O out of the Li+ inner solvating shell and allow more anions to participate in it. With reduced desolvation barriers and the presence of inorganic-rich SEI/CEI layers that suppress Mn dissolution, the LMO||LTO cell exhibits ultra-high-rate performance and excellent cycling stability.

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