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High-temperature superconductor, YBa2Cu307-x as all- solid-state lithium cell

✍ Scribed by Li Feng; Yongyao Xia; Zuotao Zeng; Baochen Wang

Book ID
103898719
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
154 KB
Volume
40
Category
Article
ISSN
0378-7753

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✦ Synopsis

The utility of the high-temperature superconductor, YBazCusOp_, as the cathode material for an all-solid-state lithium cell has been examined. The capacity of YBa,Cu,O,_, is 223 mA h g-' and the discharge efficiency is >!?2%. Measurements of a.c. impedance show that the charge-transfer resistance at the interface of the electrolyte/cathode is very low and increases with the depth-of-discharge of the battery. Studies using X-ray photoelectron spectroscopy (XT'S) reveal that the cathode becomes doped with Li+ ions as the cell discharges.

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