Progress of polymer-based anion exchange membrane for alkaline fuel cell application

doi:10.11949/0438-1157.20200112

Abstract

Abstract:

Anion exchange membrane fuel cell (AEMFCs) have attracted worldwide attention because of several inherent advantages such as environmental friendliness, the utilization of less expensive metallic catalysts and the rapid electrode reaction rate. Anion exchange membrane is the core component of AEMFCs, and its properties determine the performance, energy efficiency and service life of fuel cell. In this paper, the preparation, properties and applications of anion exchange membranes with different skeleton structures which included poly(phenylene oxide), poly(arylene ether sulfone), polyolefin and polybenzimidazole are described, and the main problems and developmental trend of polymer-based AEM are also discussed.

Key words: alkaline fuel cells, anion exchange membrane, alkaline stability, ionic conductivity

摘要：

阴离子交换膜燃料电池（AEMFCs）因其具有环境友好、可使用非贵金属催化剂、电极反应速率快等特点而受到广泛关注。阴离子交换膜（AEMs）是AEMFCs的核心部件，其性质决定着燃料电池的性能、能量效率和使用寿命。从具有不同骨架结构的聚合物出发，介绍了聚苯醚、聚芳醚砜、聚烯烃和聚苯并咪唑等不同聚合物骨架结构的阴离子交换膜的制备、性能和应用，同时对具有不同聚合物骨架结构的阴离子交换膜在应用方面存在的问题及应用前景进行了评论和展望。

关键词: 碱性燃料电池, 阴离子交换膜, 碱稳定性, 离子电导率

CLC Number:

O 631

FU Fengyan, XING Guang'en. Progress of polymer-based anion exchange membrane for alkaline fuel cell application[J]. CIESC Journal, 2021, 72(S1): 42-52.

付凤艳, 邢广恩. 碱性燃料电池用阴离子交换膜的研究进展[J]. 化工学报, 2021, 72(S1): 42-52.

Figures/Tables 8

Fig.1 Schematic diagram of AEMFC and the main species transported through the cell[5]

Fig.2 The structure of PPO(a); The structure of comb-shaped copolymers(b)

Fig.3 AFM phase images of dried OBIMPPO[17]

Fig.4 PPO with fluorene side chains with pendant alkyltrimethylammonium groups

Fig.5 The structure of trimethylbenzylammonium-functionalized polysulfone via Suzuki coupling reactions (a); The structure of trimethylbenzylammonium-functionalized polysulfone via chloromethylation route (b)

Fig.6 The structure of ImPES-x(a)；Polarization curves of a H2/O2 fuel cell with ImPES-0.45 at 100% RH and 60℃(b) [32]

Fig.7 The structure (a) and TEM images (b) of quaternization of block copolymers[45]

Fig.8 The structure of PIm-PBI and HIm-PBI(a); Polarization curves of H2/O2 single cells with HIm-PBI and PIm-PBI at 60℃(b) [58]

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