Isostructural MOFs with Higher Proton Conductivity for Improved Oxygen Evolution Reaction Performance.

Isostructural MOFs with Higher Proton Conductivity for Improved Oxygen Evolution Reaction Performance.
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具有更高质子传导率的同结构 MOF,可提高析氧反应性能。

DOI:
10.1021/acsami.9b23356
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发表时间:
2020-03
期刊:
ACS Appl Mater Interfaces
影响因子:
--
通讯作者:
Zhang Zhangjing
Zhang Zhangjing
中科院分区:
其他
文献类型:
--
作者:
Zhang Mengxin;Lin Quanjie;Wu Wangui;Ye Yingxiang;Yao Zizhu;Ma Xiuling;Xiang Shengchang;Zhang Zhangjing

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我们合成了两种新的等结构MOF(FJU-82-Co/FJU-82-Zn),并首次观察到调节质子电导率可以提供一种有效的策略来改善等结构晶体MOF材料的电催化OER性能。在60℃、98%RH下,FJU-82-Co的电导率为7.40×10−5 S cm−1,是FJU-82-Zn的127倍;在1 mA cm−2下,FJU-82-Co的过电位为0.57V,优于FJU-82-Zn的1.17V。
Here we synthesized two new isostructural MOFs (FJU-82-Co/FJU-82-Zn) and first observed that tuning of the proton conductivity may provide an effective.strategy to improve the electrocatalytic OER perfomances of isostructural crystalline MOF materials. The conductivity value for FJU-82-Co is 7.40 × 10−5 S cm−1, which is 127-fold that for FJU-82-Zn with 5.80 × 10−7 S cm−1 at 60 °C and 98% RH, while the overpotential of FJU-82-Co is 0.57 V at 1 mA cm−2, which is better than that of FJU-82-Zn with 1.17 V.
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