...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Catalysis science & technology >Polymerizable ionic liquid as a precursor for N, P co-doped carbon toward the oxygen reduction reaction
【24h】

Polymerizable ionic liquid as a precursor for N, P co-doped carbon toward the oxygen reduction reaction

机译：Polymerizable离子液体作为前体N, Pco-doped碳氧还原反应

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A polymerizable ionic liquid (PIL) is investigated as the precursor to produce nitrogen and phosphorus co-doped carbon toward the oxygen reduction reaction (ORR). The IL is functionalized with H2PO4- anions, providing P heteroatoms in the final carbon. Simultaneously, the cations of the IL feature nitrogen in their structures, which dopes the carbon frameworks with nitrogen heteroatoms. Therefore, the N, P co-doped carbon material can be easily prepared with the PIL as the precursor via a one-pot process. The composition of the carbon makes it a potential metal-free electrocatalyst for ORR. As expected, the N, P co-doped carbon (C-1) exhibits an improved catalytic activity towards ORR compared with its N doped carbon (C-2) counterpart in alkaline solutions. The catalytic performance of C-1 toward ORR is also higher than that of the N, P co-doped carbon derived from a non-polymerizable ionic liquid. The results from scanning electron microscopy (SEM), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) measurement, etc. confirmed that the defective graphite carbon with limited porosity and doped with N, P can be obtained via the present process. Given its highest catalytic performance toward ORR, the C-VNP derived from the polymerizable ionic liquid possesses the best intrinsic catalytic activity due to the co-doping effects among the investigated samples, consistent with the density functional theory (DFT) calculation. The present work provides new opportunities for the application of polymerizable ionic liquids and the preparation of metal-free N, P co-doped carbon as an ORR catalyst. The prepared C-1 sample also shows some catalytic performance toward the oxygen evolution reaction and hydrogen evolution reaction.
机译：一个polymerizable离子液体(公益诉讼)调查随着前体产生氮和磷co-doped碳氧还原反应(ORR)。携带H2PO4 -阴离子,P在决赛中杂原子碳。氮在IL的阳离子特性兴奋剂碳框架结构与氮杂原子。co-doped碳材料可以很容易地准备通过一锅法与公益诉讼作为前体的过程。潜在的非金属electrocatalyst奥尔。预期,N, P co-doped碳(颈- 1)展品一种改进的催化活性向奥尔相比之下,其N掺杂碳(c - 2)在碱性的解决方案。颈- 1的性能对奥尔也高于的N, P co-doped碳来源于non-polymerizable离子液体。扫描电子显微镜(SEM)、传输电子显微镜(TEM), Brunauer-Emmett-Teller(打赌)测量,等确认了有缺陷的石墨碳孔隙度有限和掺杂N, P可以获得通过目前的过程。性能向奥尔,C-VNP来自polymerizable离子液体具有最好的内在催化活性由于提出影响研究样本中,与密度泛函理论一致(DFT)计算。的应用的机会polymerizable离子液体和准备不含金属的N, P co-doped碳作为奥尔催化剂。催化性能的氧进化反应和氢进化的反应。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号