CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Bilayer Anion-Exchange Membrane with Low Borohydride Crossover and Improved Fuel Efficiency for Direct Borohdyride Fuel Cell
Li, XX; Chen, HD; Chu, W; Qin, HY; Zhang, W; Ni, HL; Chi, HZ; He, Y; Chu, YS; Hu, JN; Liu, JB
2020
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume12Issue:24Pages:27184-27189
Subtype期刊论文
AbstractThe development of membranes with low fuel crossover and high fuel efficiency is a key issue in direct borohydride fuel cells (DBFCs). In previous work, we produced a poly(vinyl alcohol) (PVA)-anion-exchange resin (AER) membrane with a low fuel crossover and a low fuel efficiency by introducing Co ions. In this work, a bilayer membrane was designed to improve the fuel efficiency and cell performance. The bilayer membrane was prepared by casting a PVA-AER wet gel onto the partially desiccated Co-PVA-AER gel. The bilayer membrane showed a borohydride permeability of 1.34 x 10(-6) cm(-1).s(-1), which was even lower than that of the Co-PVA-AER membrane (1.98 x 10 (-6) cm(2).s(-1)) and the PVA-AER membrane (2.80 x 10(-6) cm(2).s(-1)). The DBFC using the bilayer membrane exhibited a higher fuel efficiency (37.4%) and output power (1.73 Wh) than the DBFCs using the Co-PVA-AER membrane (33.3%, 1.27 Wh) and the PVA-AER membrane (34.3%, 1.2 Wh). Furthermore, the DBFC using the bilayer membrane achieved a peak power density of 327 mW.cm(-2), which was 2.14 times of that of the DBFC using the PVA-AER membrane (153 mW.cm(-2 ). The drastic improvement benefited from the bilayer design, which introduced an interphase to suppress fuel crossover and avoided unnecessary borohydride hydrolysis.
KeywordCOMPOSITE MEMBRANES HYDROXIDE
DOI10.1021/acsami.0c05056
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32730
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Peoples R China
2.Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201800, Peoples R China
4.Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA
5.Nanjing Forestry Univ, Coll Light Ind & Food Engn, Nanjing 210037, Peoples R China
Recommended Citation
GB/T 7714
Li, XX,Chen, HD,Chu, W,et al. Bilayer Anion-Exchange Membrane with Low Borohydride Crossover and Improved Fuel Efficiency for Direct Borohdyride Fuel Cell[J]. ACS APPLIED MATERIALS & INTERFACES,2020,12(24):27184-27189.
APA Li, XX.,Chen, HD.,Chu, W.,Qin, HY.,Zhang, W.,...&Liu, JB.(2020).Bilayer Anion-Exchange Membrane with Low Borohydride Crossover and Improved Fuel Efficiency for Direct Borohdyride Fuel Cell.ACS APPLIED MATERIALS & INTERFACES,12(24),27184-27189.
MLA Li, XX,et al."Bilayer Anion-Exchange Membrane with Low Borohydride Crossover and Improved Fuel Efficiency for Direct Borohdyride Fuel Cell".ACS APPLIED MATERIALS & INTERFACES 12.24(2020):27184-27189.
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