Sodium bis(fluorosulfonyl)imide based aqueous electrolytes exhibit a wide electrochemical stability window of up to 2.6 V when the water-to-salt molar ratio falls below 2:1, enabling the fabrication of high-voltage rechargeable aqueous sodium-ion batteries.

中文翻译：

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用于钠离子电池的高压水电解质

当水与盐的摩尔比降至2：1以下时，基于双（氟磺酰基）酰亚胺的钠的水性电解质表现出高达2.6 V的宽电化学稳定性窗口，从而能够制造高压可再充电水性钠离子电池。