期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 7, 页码 2965-2974出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm15288f
关键词
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资金
- Australian Research Council through the ARC Centre of Excellence for Electromaterials Science
- DRM
The addition of up to 4 mol% of the strong acids, trifluoromethane sulfonic acid (TfOH) and bis-trifluoromethanesulfonyl imide [HN(Tf)(2)], to the organic ionic plastic crystal (OIPC) [Choline][DHP] has been shown to dramatically increase the ionic conductivity by up to three orders of magnitude whilst still retaining the crystalline structure of the OIPC matrix. This enhanced proton diffusivity led to a significant proton reduction reaction in the electrochemical measurements. Powder XRD and DSC thermal analyses strongly suggest that these mixtures are single phase, crystalline materials. The work here also confirms that an increase in TfOH acid concentration (8 mol% and 12 mol%) results in a higher content of the amorphous phase as previously observed for the H3PO4/[Choline][DHP] system.
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