Figure 1 | Scientific Reports

Figure 1

From: Gassing in Li4Ti5O12-based batteries and its remedy

Figure 1

Cyclic and storage performance of NCM/LTO and NCM/(LTO/C) batteries under Conditions D and E. (a, b) Performance curves at 0.5C/0.5C and 25°C (Condition E).

Photographs of soft-packed NCM/LTO batteries (c) before and (d) after storage under Condition D and (e) before and (f) after cyclic test under Condition E. Photographs of soft-packed NCM/(LTO/C) batteries (g) before and (h) after storage under Condition D and (i) before and (j) after cyclic test under Condition E. Note that swelling caused by gassing is observed in the NCM/LTO batteries (arrows (↑) labels the obviously swollen areas), but not in the NCM/(LTO/C) batteries.

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