Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 503, P. 158342 - 158342
Published: Dec. 13, 2024
Language: Английский
Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 503, P. 158342 - 158342
Published: Dec. 13, 2024
Language: Английский
Frontiers in Chemistry, Journal Year: 2025, Volume and Issue: 13
Published: Feb. 21, 2025
Safety of lithium-ion batteries (LIBs) has garnered significant attention. As an essential component batteries, the separator plays a crucial role in separating positive and negative electrodes, preventing short circuits, allowing ion transport. Therefore, it is necessary to develop high-performance that both thermally stable capable rapid Li+ Polyimide (PI) material with high thermal stability, but low electrolyte wettability interfacial resistance PI restrict its application LIBs batteries. MXene possesses excellent mechanical properties good affinity. PI/MXene nanofiber composite separator. Combines stability superior MXene. It exhibits tensile strength 19.6 MPa, bulk (2.5 Ω), (174 as well contact angle 29°, while retaining high-temperature flame retardancy PI. Batteries assembled this demonstrated specific capacity 111.0 mAh g-1 retention rate 66% at 2C. In long-term cycling tests LiFePO₄ half-cells 1C, after 200 charge-discharge cycles, battery showed discharge 126.7 91%. Additionally, operated normally 120°C. The separator, by integrating conductivity MXene, demonstrates advantages enhancing safety performance. Through structure can provide more reliable safe solution for LIBs.
Language: Английский
Citations
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Language: Английский
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Language: Английский
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Published: Feb. 1, 2025
Language: Английский
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0Materials Science and Engineering B, Journal Year: 2025, Volume and Issue: 318, P. 118335 - 118335
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Language: Английский
Citations
0Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 503, P. 158342 - 158342
Published: Dec. 13, 2024
Language: Английский
Citations
0