Interfacial Li-storage phenomena in nanoporous anatase TiO2 electrodes
![Figure 1: (a) TEM and FESEM images of the calcined microporous TiO2 anode material. The SAED pattern in the TEM micrograph clearly confirms pure anatase phase. Primary particle size is below 10 nm. The HRTEM micrograph shows the agglomerates formed from the particles, with an average size of ~100 nm. (b ) battery performance data: charge-discharge curves and rate capability of the calcined anatase material, and for comparison rate capabilities of the non-calcined anatase and of commercial 10 nm anatase particles. Reprinted with permission from [1]. Copyright 2011 WILEY-VCH Verlag GmbH & Co. KGaA.](/6277093/original-1518447127.jpg?t=eyJ3aWR0aCI6MjQ2LCJvYmpfaWQiOjYyNzcwOTN9--95ad1b8c133d17d70bb2402344e6d62b14446df6)
Figure 1: (a) TEM and FESEM images of the calcined microporous TiO2 anode material. The SAED pattern in the TEM micrograph clearly confirms pure anatase phase. Primary particle size is below 10 nm. The HRTEM micrograph shows the agglomerates formed from the particles, with an average size of ~100 nm. (b ) battery performance data: charge-discharge curves and rate capability of the calcined anatase material, and for comparison rate capabilities of the non-calcined anatase and of commercial 10 nm anatase particles. Reprinted with permission from [1]. Copyright 2011 WILEY-VCH Verlag GmbH & Co. KGaA.
![Figure 2: Charge/discharge capacities versus number of cycles for the calcined np-TiO2 (dis)charged directly at a rate a) 1C (charge/discharge to theoretical capacity within 1 h), and b) 5C (charge/discharge to theoretical capacity within 12 min). c) Charge/discharge capacities when the material (dis)charged with rates ascending stepwise from C/5 to 60C. Reprinted with permission from [1]. Copyright 2011 WILEY-VCH Verlag GmbH & Co. KGaA.](/6277105/original-1518447127.jpg?t=eyJ3aWR0aCI6MjQ2LCJvYmpfaWQiOjYyNzcxMDV9--f15f614dd74f8d88ec9da2a8bdce85894a377611)
Figure 2: Charge/discharge capacities versus number of cycles for the calcined np-TiO2 (dis)charged directly at a rate a) 1C (charge/discharge to theoretical capacity within 1 h), and b) 5C (charge/discharge to theoretical capacity within 12 min). c) Charge/discharge capacities when the material (dis)charged with rates ascending stepwise from C/5 to 60C.
Reprinted with permission from [1]. Copyright 2011 WILEY-VCH Verlag GmbH & Co. KGaA.