NEGATIVE PLATE OF LITHIUM-ION CELL

FIELD: chemical current supplies; negative plates of lithium-ion cells. ^ SUBSTANCE: novelty is that negative plate of lithium-ion cell has current collector whose surface carries active layer based on mixture of modified graphite and acetylene black taken in proportion of 80 : 20 to 95 : 5, respect...

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Bibliographische Detailangaben
Hauptverfasser:	KULOVA T.L, KOVAL'CHUK A.V, SKUNDIN A.M, NIZHNIKOVSKIJ E.A, CHEBYSHEV A.V, VLASOV A.A, SHCHERBAKOV V.A, GANSHIN V.M, FESENKO A.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	FIELD: chemical current supplies; negative plates of lithium-ion cells. ^ SUBSTANCE: novelty is that negative plate of lithium-ion cell has current collector whose surface carries active layer based on mixture of modified graphite and acetylene black taken in proportion of 80 : 20 to 95 : 5, respectively. Content of modified graphite in the form of film, 0.05 - 0.1 mum thick, having specific surface area of 1500 to 2000 m2/g is 3 to 10 mg. ^ EFFECT: reduced irreversible capacitance of plate. ^ 7 cl, 2 dwg