期刊
JOURNAL OF POWER SOURCES
卷 97-8, 期 -, 页码 798-800出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0378-7753(01)00733-9
关键词
solid-state battery; li-ion battery; LiMn2O4 cathode; V2O5 anode
A new type of all-solid-state Lithium-ion rechargeable batteries composed of LiMn2O4 positive and V2O5 negative electrodes were developed and their electrochemical characteristics were investigated for the first time. Both amorphous thin-filmed electrodes as well as a lithium phosphorus oxynitride electrolyte (Lipon) were deposited on a substrate by using a rf-magnetron sputtering method. The present rocking-chair type battery showed good charge and discharge characteristics with a typical charge and discharge capacities of about 18 mu Ah/cm(2) between 3.5 and 03 V. This battery revealed a remarkable forming process which means that the charge and discharge capacities dramatically increase with the cycle number in its early stages. The battery also showed a good charge-discharge operation in vacuum which is one of the advantageous properties expected for the solid-state devices. (C) 2001 Elsevier Science B.V. All rights reserved.
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