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Diffusion of lithium in the TiO2 cathode of a lithium battery

✍ Scribed by K. Kanamura; K. Yuasa; Z. Takehara

Book ID
103898274
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
433 KB
Volume
20
Category
Article
ISSN
0378-7753

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✦ Synopsis

The diffusion coefficient of lithium in various types of TiOz has been investigated by a potential-step method. The TiOz electrodes were prepared by rf sputtering to simplify the diffusion behavior of lithium. It has been found that increase in the crystallinity of anatase Ti02 retards the diffusion of lithium in this material and that the diffusion in rutile TiOz is slower than that in anatase Ti02.

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An LiNOy-MnO, mixture, heat treated in the presence of HsO, or IWO,, has shown excellent rechargeability as an electrode material for rechargeable lithium batteries. XRD patterns of this compound are completely different from known Li-Mn composite oxides such as LiMn,O, or Li,MnO,. The presence of H