LIQUID ELECTROLYTE AND RECHARGEABLE CHEMICAL CELL WITH LITHIUM/CARBON ANODE,申请号JP19920139286-传众专利搜索

LIQUID ELECTROLYTE AND RECHARGEABLE CHEMICAL CELL WITH LITHIUM/CARBON ANODE

申请公布号：JPH05190209(A)

申请号：JP19920139286

申请日期：1992.05.29

申请公布日期：1993.07.30

申请人：

ALCATEL ALUSTHOM CO GENERAL ELECTRICITE

发明人：BERUNAARU SHIMON;JIYANNPIEERU BAABU

分类号：C01B31/02;H01M2/16;H01M4/02;H01M4/133;H01M4/48;H01M4/485;H01M4/52;H01M4/525;H01M4/58;H01M4/587;H01M10/0525;H01M10/36

主分类号：C01B31/02

摘要：PURPOSE: To provide a high performance chemical battery comprising a lithium/ carbon anode by using single phase article bearing on its surface a thin layer which is impermeable to a solvent of an electrolyte but disperses lithium as the carbonaceous material for the anode. CONSTITUTION: This rechargeable chemical battery comprises a cathode, an electrolytic solution containing a solute and at least one kind of solvent, and an anode containing a carbonaceous material having crystallinity not less than 0.8 and crystallized to the extremely high extent. The carbonaceous material is single phase particle bearing a thin layer on the surface and the thin layer is impermeable to the solvent of the electrolytic solution but disperses lithium and the impermeable property is either the characteristic property or produced by conversion of the thin film into passive state by reaction with the electrolyte. This thin film completely inhibits penetration with molecules of the solvent, which causes peeling of the anode and irreversible process. The effect of the penetrating force of the lithium is limited inside and thickness of the carbonaceous material whose crystallization is carried out to the far extent is no practical effect.