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Citation: CHEN Ri-Yao, CHEN Zhen, ZHENG Xi, CHEN Xiao, HUANG Cai-Xia. Preparation and Characterization of CoPc(COOH)₈-SA/mCS Bipolar Membranes[J]. Acta Physico-Chimica Sinica, ;2009, 25(12): 2438-2444. doi: 10.3866/PKU.WHXB20091110 shu

Preparation and Characterization of CoPc(COOH)₈-SA/mCS Bipolar Membranes

1.
College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, P. R. China; Chemistry Department, Fujian Ningde Teachers College, Ningde 352100, Fujian Province, P. R. China

Received Date: 9 June 2009
Available Online: 16 September 2009

A sodiumalginate (SA) cation layer was modified by cobalt octocarboxyphthalocyanine (CoPc(COOH)8) to improve its ion exchange capacity and to promote water splitting at the interlayer. The CoPc(COOH)8-SAand chitosan (CS) were then modified using Fe3+ and glutaraldehyde as linking reagents to prepare CoPc(COOH)8-SA/mCS bipolar membranes (BPMs). FT-IR spectra and SEM were used to characterize CoPc(COOH)8-SA/mCS BPMs. Experimental results showed that the ion exchange capacity and hydrogen ion transmigration rate of the CoPc(COOH)8-SA cation exchange membrane had increased. By comparison to the mSA/mCS BPMthat was modified by Fe3+ or ferrocene, the AC impedance, IR drop and the swelling degree of the CoPc(COOH)8-SA/mCS BPMs all decreased. The IR drop of the CoPc(COOH)8-SA/mCS BPMwas only 0.7 Vat a higher current density of 105 mA·cm-2.
- Bipolar membrane,
- Cobalt octocarboxyphthalocyanine,
- Sodiumalginate,
- Chitosan,
- Interlayer,
- Water splitting
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沈阳化工大学材料科学与工程学院沈阳 110142

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Preparation and Characterization of CoPc(COOH)8-SA/mCS Bipolar Membranes

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通讯作者: 陈斌, bchen63@163.com

Preparation and Characterization of CoPc(COOH)₈-SA/mCS Bipolar Membranes