Thermal and electrochemical properties of polybenzimidazole-modified biphenyl polyimide electrospun lithium-ion battery separator

GONG Guifen; FAN Jinqiang; ZOU Minggui; LIU Zhiqiang; MA Xu

doi:10.13801/j.cnki.fhclxb.20210726.003

Volume 39 Issue 6

Jun. 2022

Turn off MathJax

Article Contents

Article Navigation > Acta Materiae Compositae Sinica > 2022 > 39(6): 2742-2749

GONG Guifen, FAN Jinqiang, ZOU Minggui, et al. Thermal and electrochemical properties of polybenzimidazole-modified biphenyl polyimide electrospun lithium-ion battery separator[J]. Acta Materiae Compositae Sinica, 2022, 39(6): 2742-2749. doi: 10.13801/j.cnki.fhclxb.20210726.003

Citation:

GONG Guifen, FAN Jinqiang, ZOU Minggui, et al. Thermal and electrochemical properties of polybenzimidazole-modified biphenyl polyimide electrospun lithium-ion battery separator[J]. Acta Materiae Compositae Sinica, 2022, 39(6): 2742-2749. doi: 10.13801/j.cnki.fhclxb.20210726.003

Citation:

GONG Guifen, FAN Jinqiang, ZOU Minggui, et al. Thermal and electrochemical properties of polybenzimidazole-modified biphenyl polyimide electrospun lithium-ion battery separator[J]. Acta Materiae Compositae Sinica, 2022, 39(6): 2742-2749. doi: 10.13801/j.cnki.fhclxb.20210726.003

PDF( 3783 KB)

Thermal and electrochemical properties of polybenzimidazole-modified biphenyl polyimide electrospun lithium-ion battery separator

doi: 10.13801/j.cnki.fhclxb.20210726.003

School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin 150040, China

Received Date: 2021-06-11
Accepted Date: 2021-07-09
Rev Recd Date: 2021-07-08

Available Online: 2021-07-26

Publish Date: 2022-06-01

Abstract

Abstract

In order to improve the problems of low porosity, low electrolyte uptake of commercial separators, poor heat resistance and thermal dimensional stability, Polybenzimidazole (PBI) was used to modify polyimide (PI). The PBI∶PI=0.3∶1.0 (mass ratio) composite fiber separator was prepared by the method of high-voltage electrostatic spinning. The microscopic morphology, porosity, electrolyte uptake, thermal performance, electrochemical performance and battery performance of the composite fiber separator were studied. The performance of composite fiber separator with mass ratio of PBI∶PI=0.3∶1.0, PI fiber separator and polypropylene (Celgard 2400, PP) separator were compared. The results show that the composite fiber separator with PBI∶PI=0.3∶1.0 has a porosity of 82% and electrolyte uptake of 618%; in an air atmosphere, there is no size shrinkage at 300℃; in a nitrogen atmosphere, the decomposition temperature is above 400℃, and the residual mass at 800℃ is more than 50%. The ionic conductivity reaches 1.29×10⁻³ S/cm, which is almost an order of magnitude higher than PP separatos; the interface impedance is 489.34 Ω, which is 17% lower than PP separator; the electrochemical stability window is increased to 5.05 V, which is 19% of the PP separator; CR 2032 battery assembled with PBI∶PI=0.3∶1.0 composite fiber separator shows excellent battery performance. After high current discharged, cells properties remain stable, initial discharge capacity is 130.01 mA·h/g, capacity retention rate is 98.91% after 100 cycles of 1 A/s, which is better than PP separator cells.
- electrospinning,
- polybenzimidazole,
- biphenyl type polyimide,
- lithium-ion cells,
- separator
Long Abstrsct
Innovation Points

FullText(HTML)

References(24)

References

[1]	SHEN Chen, WANG Huaiguo. Research on the technological development of lithium-ion battery industry in China[J]. Journal of Physics: Conference Series,2019,1347(1):012087.
[2]	CANO Z P, BANHAM D, YE S, et al. Batteries and fuel cells for emerging electric vehicle markets[J]. Nature Energy,2018,3(4):279-289. doi: 10.1038/s41560-018-0108-1
[3]	LIU Zhifang, JIANG Yingjun, HU Qiaomei, et al. Safer lithium-ion batteries from the separator aspect: Development and future perspectives[J]. Energy & Environmental Materials,2020,4(3):336-362.
[4]	MUHAMMAD W, SHAMSHAD A, FENG Chao, et al. Recent development in separators for high-temperature lithium-ion batteries[J]. Small,2019,15(33):1901689.
[5]	PARIKH D, CHRISTENSEN T, HSIEH C T, et al. Elucidation of separator effect on energy density of Li-ion batteries[J]. Journal of The Electrochemical Society,2019,166(14):3377-3383. doi: 10.1149/2.0571914jes
[6]	HEIDARI AA, Mahdavi H. Recent development of polyolefin-based microporous separators for liion batteries: A review[J]. The Chemical Record,2020,20(6):570-595. doi: 10.1002/tcr.201900054
[7]	LAGADEC M F, ZAHN R, WOOD V. Characterization and performance evaluation of lithium-ion battery separators[J]. Nature Energy,2019,4:16-25. doi: 10.1038/s41560-018-0295-9
[8]	LI Yaqian, YU Le, HU Weiren, et al. Thermotolerant separators for safe lithium-ion batteries under extreme conditions[J]. Journal of Materials Chemistry A,2020,8(39):20294-20317. doi: 10.1039/D0TA07511F
[9]	巩桂芬, 邹明贵, 崔巍巍, 等. 锂离子电池隔膜材料EVOLi-OMMT的制备及其性能[J]. 复合材料学报, 2022, 39(3): 1186-1193. GONG Guifen, ZOU Minggui, CUI Weiwei, et al. preparation and performance of EVOLi-OMMT separator material for lithium ion battery[J]. Acta Materiae Compositae Sinica, 2022, 39(3): 1186-1193(in Chinese).
[10]	LI Xiaoyan, CHEN Weichen, QIAN Qingrong, et al. Electrospinning-based strategies for battery materials[J]. Advanced Energy Materials,2021,11(2):2000845. doi: 10.1002/aenm.202000845
[11]	XUE Jiajia, WU Tong, DAI Yunqian, et al. Electrospinning and electrospun nanofibers: Methods, materials, and applications[J]. Chemical Reviews,2019,119(8):5298-5415. doi: 10.1021/acs.chemrev.8b00593
[12]	崔巍巍, 孟庆朋, 王振宇, 等. 大倍率高耐热聚醚酰亚胺-聚偏氟乙烯芯壳纳米纤维锂离子电池隔膜[J]. 复合材料学报, 2019, 36(1):69-76. CUI Weiwei, MENG Qingpeng, WANG Zhenyu, et al. Large-rate, high-heat-resistant poly-etherimide-polyvinylidene fluoride core-shell nanofiber lithium ion battery separator[J]. Acta Materiae Compositae Sinica,2019,36(1):69-76(in Chinese).
[13]	HE Lei, CAO Jianhua, LIANG Tian, et al. Effect of monomer structure on properties of polyimide as LIB separator and its mechanism study[J]. Electrochimica Acta,2020,337:135838.
[14]	YU Haibin, SHI Yake, YUAN Biao, et al. Recent developments of polyimide materials for lithium-ion battery separators[J]. Ionics,2021,27(3):907-923. doi: 10.1007/s11581-020-03865-2
[15]	巩桂芬, 王磊, 李泽. 静电纺聚乙烯-乙烯醇磺酸锂/聚酰亚胺锂离子电池隔膜复合材料的电化学性能[J]. 复合材料学报, 2018, 35(10):2632-2639. GONG Guifen, WANG Lei, LI Ze. Electro-chemical performance of electrospun polyethylene-lithium vinyl alcohol sulfo-nate/polyimide lithium-ion battery diaphragm composite[J]. Acta Materiae Compositae Sinica,2018,35(10):2632-2639(in Chinese).
[16]	ZHOLOBKO O, WU X F, ZHOU Z P, et al. A comparative experimental study of the hygroscopic and mechanical behaviors of electrospun nanofiber membranes and solution-cast films of polybenzimidazole[J]. Journal of Applied Polymer Science,2020,137(39):49639.
[17]	CHO S J, CHOI H, JI H Y. Evaluation of PBI nanofiber membranes as a high-temperature resistance separator for lithium-ion batteries[J]. Fibers and Polymers,2020,21(5):993-998. doi: 10.1007/s12221-020-9955-z
[18]	SUN Guohua, KONG lushi, LIU Bingxue, et al. Ultrahigh-strength, nonflammable and high-wettability separators based on novel polyimide-core@polybenzimidazole-sheath nanofibers for advanced and safe lithium-ion batteries[J]. Journal of Membrane Science,2019,582:132-139. doi: 10.1016/j.memsci.2019.04.005
[19]	SUN Guohua, LIU Bingxue, NIU Hongqing, et al. In situ welding: Superb strength, good wettability and fire resistance tri-layer separator with shutdown function for high-safety lithium-ion battery[J]. Journal of Membrane Science,2020,595:117509.
[20]	MAEYOSHI Y, DONG D, KUBOTA M, et al. Long-term stable lithium metal anode in highly concentrated sulfolane-based electrolytes with ultrafine porous polyimide separator[J]. ACS Applied Materials & Interfaces,2019,11(29):25833-25843.
[21]	孙国华. 基于芳杂环聚合物纤维的制备、微结构调控及其性能研究[D]. 北京: 北京化工大学, 2020. SUN Guohua. Study on preparation, microstructure control and performance of aromatic heterocyclic polymer fibers[D]. Beijing: Beijing University of Chemical Technology, 2020(in Chinese).
[22]	梁乃强. 锂离子电池用聚苯并咪唑隔膜的制备及其性能研究[D]. 上海: 上海交通大学, 2017. LIANG Naiqiang. Study on preparation and performance of polybenzimidazole separator for lithium ion batteries[D]. Shanghai: Shanghai Jiaotong University, 2017(in Chinese).
[23]	巩桂芬, 王磊, 兰健. EVOH-SO₃Li/PET电纺锂离子电池隔膜电化学性能[J]. 材料工程, 2018, 46(3):7-12. GONG Guifen, WANG Lei, LAN Jian. Electrochemical performance of electrospun lithium-ion battery separator[J]. Journal of Materials Engineering,2018,46(3):7-12(in Chinese).
[24]	LIU Xiaoting, ZHANG Bin, WU Yingnan, et al. The effects of polybenzimidazole nanofiber separator on the safety and performance of lithium-ion batteries: Characterization and analysis from the perspective of mechanism[J]. Jour-nal of Power Sources,2020,475:228624. doi: 10.1016/j.jpowsour.2020.228624