Battery with bifunctional electrolyte

Details Battery with bifunctional electrolyte Battery with bifunctional electrolyte

H - Electricity

01

M

H01M 8/20 (2006.01)

Patent

CA 2625516

A battery comprises an acid electrolyte in which a compound provides acidity to the electrolyte and further increases solubility of at least one metal in the redox pair. Especially preferred compounds include alkyl sulfonic acids, amine sulfonic acids, and alkyl phosphonic acids, and particularly preferred redox coupled include Co3+/Zn0, Mn3+/Zn0, Ce4+/V2+, Ce4+/Ti3+, Ce4+/Zn0, and Pb4+/Pb0.

L'invention porte sur une batterie comprenant un électrolyte acide dans lequel un composé lui confère une acidité et accroît également la solubilité d'au moins un métal de la paire redox. Les composés préférés comprennent notamment des acides d'alkyle sulfoniques, des acides d'amine sulfoniques et des acides d'alkyle phosphoniques et, en particulier, le couple redox préféré comprend: Co3+/Zn0, Mn3+/Zn0, Ce4+/V2+, Ce4+/Ti3+, Ce4+/Zn0, and Pb4+/Pb0.

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