Do negatively charged nanosheets enhance energy-storage capability of polymer-based nanocomposites?

Bao, Z. et al. Negatively charged nanosheets significantly enhance the energy-storage capability of polymer-based nanocomposites. Adv. Mater. 32, e1907227 (2020). Pan, Q. et al. 2D MXene-containing polymer electrolytes for all-solid-state lithium metal batteries. Nanoscale Adv. 1, 395–402 (2019).

Do oriented -a 2 O 3 nanosheets improve energy storage performance?

The further experiments and simulations indicated that the oriented γ-A 2 O 3 nanosheets (AONs) arrangement suppressed electric field distortion and hindered the charge transportation, which greatly enhanced the breakdown strength and ultimately improved the energy storage performance.

Do oriented 2D nanosheets reduce energy consumption during breakdown and self-healing?

The oriented 2D nanosheets played a dominate role in the restriction of charge transportation and the tradeoff of energy consumption during breakdown and self-healing. Therefore, on one hand, the discharge energy density reached a considerable value of 9.64 J/cm³.

Do nanofillers improve dielectric constant and energy density?

Li, L. et al. Significant improvements in dielectric constant and energy density of ferroelectric polymer nanocomposites enabled by ultralow contents of nanofillers. Adv. Mater. 33, 2102392 (2021). Dai, Z. et al. Scalable polyimide–poly (amic acid) copolymer based nanocomposites for high-temperature capacitive energy storage. Adv.

How are nanosheets dispersed in an autoclave?

After cooling to room temperature, the nanosheets at the bottom of the autoclave were dispersed in 8 ml cyclohexane and then centrifuged at 10,000 r.p.m. for 5 min. After three cycles of dispersion and centrifugation, the nanosheets were dried at 50 °C and ground to a powder for subsequent testing.

Does nanosheet morphology affect the breakdown strength of polymer nanocomposites?

To investigate the effect of nanosheet morphology on the breakdown strength of the polymer nanocomposites, a phase-field model was used to simulate the dielectric breakdown process in polymer nanocomposites with different nanosheets.