| Mn掺杂Co-Al金属氢氧化物的制备及其全解水电化学性能 |
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| 引用本文： | 嵇锦鹏,李国辉,耿凤霞.Mn掺杂Co-Al金属氢氧化物的制备及其全解水电化学性能[J].材料研究学报,2022,36(2):140-146. |
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| 作者姓名： | 嵇锦鹏 李国辉 耿凤霞 |
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| 作者单位： | 1.苏州大学能源学院 苏州 2151232;2.遵义师范学院化学化工学院 遵义 563006 |
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| 基金项目： | 贵州省材料电化学特色重点实验室项目;博士基金;国家自然科学基金 |
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| 摘 要： | 以Co基氢氧化物为基础用异质元素掺杂方式引入Mn并与Co协同,制备出Mn掺杂Co-Al层状双金属氢氧化物(Mn-CoAl LDH).在1 mol/L的KOH碱性电解质中,电流密度达到10 mA·cm-2时Mn-CoAl LDH的全解水电势为1.66V,其性能远优于Co-A1层状双金属氢氧化物(CoAl LDH)、Ni2...
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| 关 键 词： | 无机非金属材料 催化剂 Mn掺杂 析氢 析氧 |
| 收稿时间： | 2021-04-21 |
Mn-doped Co-Al LDHs and its Potential Use for Overall Water Splitting |
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| JI Jinpeng,LI Guohui,GENG Fengxia.Mn-doped Co-Al LDHs and its Potential Use for Overall Water Splitting[J].Chinese Journal of Materials Research,2022,36(2):140-146. |
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| Authors: | JI Jinpeng LI Guohui GENG Fengxia |
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| Abstract: | The layered double-metal Co-Al hydroxide (CoAl LDH) was first prepared via reflux precipitation method with CoCl2·6H2O and AlCl3·6H2O as raw material, and then the heteroelement Mn doped layered double-metal Co-Al hydroxide (Mn-CoAl LDH) was acquired by the same means. When the current density reaches 10 mA·cm-2, the fully hydrolyzable potential of Mn-CoAl LDH in 1 mol/L KOH alkaline electrolyte is 1.66 V, its performance is much better than that of undoped Co-Al layered bimetallic hydroxide (CoAl LDH), Ni2/3S1/3 /Nickel Foam (1.76 V) and commercial Pt/C (1.75 V). These results show that Mn-CoAl LDH catalyst has high activity of hydrogen evolution and oxygen evolution in alkaline environment, and is a kind of low cost and high performance bifunctional electric catalyst |
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| Keywords: | inorganic non-metallic materials catalyst Mn doping hydrogen production oxygen evolution |
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