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IONIC ADDITIVES FOR ELECTROCHEMICAL DEVICES USING INTERCALATION ELECTRODES
IONIC ADDITIVES FOR ELECTROCHEMICAL DEVICES USING INTERCALATION ELECTRODES
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机译:使用嵌入电极的电化学设备中的离子添加剂
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摘要
An electrochemical cell comprising a cathode comprising an electrode active material that reversibly intercalates and de-intercalates any of cations and molecules; an anode comprising an electrode active material that reversibly intercalates and de-intercalates any of cations, anions, and molecules; a separator material that separates the cathode from the anode; and an electrolyte comprising a base electrolyte composition, an ionic compound additive, and a solvent comprising any of aqueous and non-aqueous electrolyte solvents, wherein the additive dissolves in the base electrolyte composition as well a majority of the aqueous or non-aqueous electrolyte solvents, wherein the additive comprises a solubility of at least approximately 0.01 in the base electrolyte composition, wherein the additive dissociates into corresponding cations and anions upon dissolution, and wherein the cations originate from a metal element and reduce to an elemental form at a potential that is at least approximately 0.50 V above that of lithium.
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