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A new type of 2 V rocking chair lithium battery with nanocrystalline TiO 2 (anatase) as the negative electrode and LiCoO 2 or LiNi 0.5 Co 0.5 O 2 as the positive electrode has been studied. The electrolyte solution was 1 M LiN ( CF 3 SO 2 ) 2 in ethylene carbonate + 1,2‐ dimethoxyethane. The TiO 2 / LiCoO 2 and TiO 2 / LiNi 0.5 Co 0.5 O 2 batteries delivered about 50 mAh/g (based on the total mass of active electrode materials) during galvanostatic charge/discharge at ±0.33 mA/cm 2 . The latter battery showed a capacity drop of about 30% over 190 galvanostatic charge/discharge cycles.
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Huang et al. (1995) studied this question.
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