Hydrogen bond-dominated polybenzimidazole semi-interpenetrating network membranes for alkaline water electrolysis
文献信息
Lihua Wang, Min He, Pingxia Zhang, Hao Li, Yanbin Yun, Tong Zhao
Polybenzimidazole (PBI) membranes are considered promising for the energy field, but are restricted by their unsatisfactory ionic conductivity. Thermoplastic phenolic resins (TPPRs) bearing abundant hydroxyl polar groups can contribute to the ionic transport of the PBI membranes. Herein, the interaction of PBI with TPPR introduced abundant hydrogen bonds, forming a hydrogen-bond dominated PBI/TPPR membrane with multiple ion channels to facilitate OH– transport. Moreover, C-PBI/TPPR semi-interpenetrating network (C-PBI/TPPR-sIPNs) membranes with multi-anchored sites were obtained by further cross-linking, which improved the stability. Molecular dynamics (MD) and density functional theory (DFT) simulations further confirmed that the hydrogen bonds between PBI and TPPR resulted in the formation of multiple ion transport channels in the membrane, strengthening the vehicle and Grotthuss transport mechanisms. As a result, the hydroxide ion conductivity of the novel membrane increased by approximately 2 times, and the membrane exhibited good durability. More importantly, these novel membranes were successfully applied in alkaline water electrolysis. This study will inspire further investigations on the binding mode and ion transport mechanism of PBI with other hydroxyl-containing species.
相关文献
IF 6.367
Water-soluble pH-switchable cobalt complexes for aqueous symmetric redox flow batteriesIF 6.222
High-performance tungsten carbide electrocatalysts for the hydrogen evolution reactionIF 6.367
Interfacial engineering of a polymer–MOF composite by in situ vitrificationIF 6.222
Catalytic depolymerization of Kraft lignin to produce liquid fuels via Ni–Sn metal oxide catalystsIF 6.367
Contents listIF 6.222
MnO/C cubo-polyhedrons derived from α-MnO2@ZIF-8 as anode materials for high-performance lithium-ion batteriesIF 6.367
Synthesis of aviation fuel from bio-derived isophoroneIF 6.367
Metal–organic frameworks: preparation and applications in highly efficient heterogeneous photocatalysisIF 6.367
Triboelectric nanogenerators for a macro-scale blue energy harvesting and self-powered marine environmental monitoring systemIF 6.367
来源期刊
Journal of Materials Chemistry A
Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment
推荐供应商
淄博俱进化工有限公司上海沪特泵业制造有限公司
层析-祖贝霍尔·特洛特RS Rittel & Schipper GmbHChangzhou Suntton Co., Ltd.
ARCOLOS AG斯百全化学（上海）有限公司杭州艾贝有限公司山东习尚喜新材料科技股份有限公司（API）DESMI有限公司