Fabrication of PVA-based Ion Exchange Membrane for Reverse Electrodialysis Power Generation and Its Characteristic Evaluation

Fabrication of PVA-based Ion Exchange Membrane for Reverse Electrodialysis Power Generation and Its Characteristic Evaluation
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PVA基反电渗析发电离子交换膜的制备及其特性评价

DOI：
10.11457/ssst.2.0_46
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发表时间：
2021
期刊：
Salt and Seawater Science & Technology
影响因子：
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通讯作者：
Minato Higa,Toru Uchimura,Masahiro Yasukawa,Yuriko Kakihana,Mitsuru Higa
Minato Higa,Toru Uchimura,Masahiro Yasukawa,Yuriko Kakihana,Mitsuru Higa
中科院分区：
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文献类型：
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作者：
X. LIU;F. KURISU;I. KASUGA and H. FURUMAI;Minato Higa,Toru Uchimura,Masahiro Yasukawa,Yuriko Kakihana,Mitsuru Higa

文献摘要

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本研究将乙烯-乙烯醇共聚物(EVOH)与PVA基聚离子共混，制备了PVA基异型离子电池，并对其基本性能和红光发电性能进行了评价。通过将EVOH与PVA嵌段共聚物共混，我们得到了平坦的阳离子交换膜和阴离子交换膜(F-CEM和F-AEM)，这些膜提高了离子交换膜的机械强度，具有较高的传输数和较低的膜阻力。通过热压F-CEM制备了异型CEM(PF-CEM)。使用PF-CEMS/F-AEMS的电堆在7.0 mA电流下的最大功率输出为2.07 mW。
In this study, PVA-based profiled IEMs were prepared by mixing an ethylene-vinyl alcohol copolymer (EVOH) and PVA-based polyions, and then their basic properties and RED power generation performance were evaluated. By blending EVOH with a PVA-based block copolymer, we obtained flat-shaped cation and anion exchange membranes (F-CEM and F-AEM) that improve the mechanical strength of IEMs with a high transport number and low membrane resistance. The profiled CEMs (PF-CEMs) were prepared by hot-pressing F-CEMs. The stack using PF-CEMs/F-AEMs showed the maximum power output of 2.07 mW at 7.0 mA of current.