Electrochemical Cell Having "In Situ Generated" Component

An electrochemical cell having a solid polymer separator/electrolyte whose ion conductivity is markedly increased by in situ generation of a fluid acidic anhydride. The electrochemical cell comprises a solid polymer electrolyte, an anode of an alkali or alkaline earth metal such as lithium and a cat...

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Bibliographische Detailangaben
1. Verfasser:	ALEXANDER GILMOUR
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	An electrochemical cell having a solid polymer separator/electrolyte whose ion conductivity is markedly increased by in situ generation of a fluid acidic anhydride. The electrochemical cell comprises a solid polymer electrolyte, an anode of an alkali or alkaline earth metal such as lithium and a cathode containing the lithium or other alkali or alkaline earth metal salt of the acid anhydride to be electrochemically generated in addition to the main active material. The salt has the formula MAxOy where M is an alkali or alkaline earth metal such as lithium and A is a non-metallic element such as sulphur, nitrogen, carbon or phosphoros 0.3 < = x < = 2.0 and 1.3 < = y < = 4. The electrochemical cell has a much improved rate capability and low temperature performance, but no liquid constituents are required for assembly of the cell.