Corrigendum to ‘Polyimide composite separator containing surface-modified hollow mesoporous silica nanospheres for lithium-ion battery application’ [Polymer 212 (2021) 123288]

Jeong, Tae-Yang; Lee, Young Dong; Ban, Yoojung; Lee, Juho; Lee, Hayeong; Kwon, Yong Ku

doi:10.1016/j.polymer.2020.123339

Polymer

2021

DOI: 10.1016/j.polymer.2020.123339

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Corrigendum to ‘Polyimide composite separator containing surface-modified hollow mesoporous silica nanospheres for lithium-ion battery application’ [Polymer 212 (2021) 123288]

Tae-Yang Jeong

Young Dong Lee

Yoojung Ban

et al.

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“…working of LIBs. [8] However, commercial polyolefin-based separators suffer from several drawbacks that severely hinder the performance of LIBs, such as thermal shrinkage at high temperatures and low electrolyte wettability. [9][10][11] To improve the low wettability and thermal stability of polyolefin separators, tremendous efforts have been made and can be divided into two methods.…”

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Novel Thermotolerant and Flexible Polyimide Aerogel Separator Achieving Advanced Lithium‐Ion Batteries

Deng

Pan

Zhang

et al. 2021

Adv Funct Materials

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Separators are vital parts of all lithium-ion batteries (LIBs), and they play a critical role in their thermal safety and electrochemical performance. Considering the low thermal stability and inferior electrolyte wettability of commercial polyolefin membranes, in this study, a novel thermotolerant polyimide aerogel (PIA) separator is designed. This is the first report on the use of chemically cross-linked PIA separators for LIBs. The outstanding porosity (78.35%) and electrolyte absorption (321.66%) of PIA separators contribute to the low internal resistance and outstanding electrochemical performance of LIBs, which can retain a high specific capacity of 118 mAh g −1 after 1000 cycles at a current density of 1 C. In addition, The LiFePO 4 |Li metal batteries with PIA separators are extremely stable at 90 °C (>300 cycles), and maintain stability even at 120 °C. More importantly, for pouch batteries, PIA separators result in higher thermal runaway temperatures compared with Celgard separators. In this paper, the pyrolysis mechanism and thermodynamic process of PIA separators are clarified by DFT calculations and in situ synchrotron vacuum UV photoionization mass spectrometry experiments.

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Novel Thermotolerant and Flexible Polyimide Aerogel Separator Achieving Advanced Lithium‐Ion Batteries

Deng

Pan

Zhang

et al. 2021

Adv Funct Materials

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Corrigendum to ‘Polyimide composite separator containing surface-modified hollow mesoporous silica nanospheres for lithium-ion battery application’ [Polymer 212 (2021) 123288]

Cited by 1 publication

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Novel Thermotolerant and Flexible Polyimide Aerogel Separator Achieving Advanced Lithium‐Ion Batteries

Novel Thermotolerant and Flexible Polyimide Aerogel Separator Achieving Advanced Lithium‐Ion Batteries

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