New energy battery high temperature resistant heating film

Can SnSe be used as a thermal barrier in lithium-ion batteries?

Our study introduces a novel composite insulation film engineered to function as a thermal barrier in lithium-ion batteries. While SnSe has been extensively researched as a conventional thermoelectric material [30, 31], its integration into a composite for insulation purposes remains largely unexplored.

What is the performance of modified PET films at elevated temperature?

To research the performance of modified PET films at elevated temperature, the breakdown performance and energy storage performance of PET/BNNS-2.67 vol% at room temperature, 80, 100, and 120 °C are tested and the comparison with PI, PEI, PP, PET is illustrated in Table S2 and Fig. 4, concretely.

What is the energy loss of coated Pi films at 400 mV/m?

At 400 MV/m, the energy loss of coated PI films is 0.55 J/cc which is only 4.3% of uncoated PI films and 18.5% of PEI films. The substantial suppression of energy loss further gives rise to the excellent charge-discharge efficiency of coated PI films, as demonstrated in Fig. 4 (d).

Do high-heat polymers suffer fast aging induced by non-thermalized electrons?

By probing the energetic modes of transport and aging at pre-breakdown field, it is shown for the first time that the high-heat polymers like polyimides with high aromaticity suffer fast aging induced by non-thermalized electrons even at moderate fields due to their intrinsically low bandgap and injection barrier.

Can a composite insulating film be used as a thermal barrier?

This study endeavors to tackle this issue by introducing a novel composite insulating film tailored to function as a thermal barrier within LIBs.

Is polyetherimide a good thin film?

Polyetherimide (PEI), a well-established commercially available capacitor thin film for harsh thermal conditions, is also introduced as the comparison for demonstrating the ability of MMT/PVA-coated PI films to withstand concurrent thermal and electrical extremes.