The Application of a Modified Polyacrylonitrile Porous Membrane in Vanadium Flow Battery.

Lin Qiao, Shumin Liu, Haodong Cheng, Xiangkun Ma

Abstract read

In one paragraph

Article in Membranes, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

A Comparative Study of Nafion 212 and Sulfonated Poly(Ether Ether Ketone) Membranes with Different Degrees of Sulfonation on the Performance of Iron-Chromium Redox Flow Battery.Membranes · 2023
Article

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5 · Who and what money

Authors and funding

4 authors.

Lin QiaoDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, China.

Shumin LiuDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, China.

Haodong ChengDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, China.

Xiangkun MaDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, China.

Funding

China Postdoctoral Science Foundation 2021M700650Fundamental Research Funds for the Central Universities 3132021179National Natural Science Foundation of China 22109018

6 · The paper itself

Abstract

Vanadium flow battery (VFB) is one of the most promising candidates for large-scale energy storage. A modified polyacrylonitrile (PAN) porous membrane is successfully applied in VFB. Herein, a simple solvent post-processing method is presented to modify PAN porous membranes prepared by the traditional nonsolvent induced phase separation (NIPS) method. In the design, polymer PAN is chosen as the membrane material owing to its low cost and high stability. The large-size pores from NIPS method are well optimized by the solvent swelling and shrinking during the solvent post-processing. Meanwhile, the interconnectivity of pores is maintained well. As a result, the ion selectivity of PAN porous membranes is dramatically improved, and the CE of a VFB with PAN porous membranes rises from 68% to 93% after the solvent post-processing process. A VFB with the modified PAN porous membranes is capable of delivering a limiting current density of 900 mA cm

Indexed as

ion selectivitynonsolvent induced phase separationpolyacrylonitrileporous membranessolvent post-processingsolvent post-processing methodvanadium flow battery

Identifiers

PMID35448358

DOI10.3390/membranes12040388

PMCPMC9026392

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