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电解槽技术研究及创新 被引量:3
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作者 刘益宏 黄健 《中国锰业》 2020年第6期56-59,共4页
电解锰的生产在中国已有60多年历史,工艺技术和装备随着产能的增加在不断进步,但是生产核心装备——电解槽的技术进步不大。针对目前电解槽现状,研究解决电解槽清槽时的脏、乱、差问题;解决电解槽电解反应混乱带来的返酸,返碱,电效低下... 电解锰的生产在中国已有60多年历史,工艺技术和装备随着产能的增加在不断进步,但是生产核心装备——电解槽的技术进步不大。针对目前电解槽现状,研究解决电解槽清槽时的脏、乱、差问题;解决电解槽电解反应混乱带来的返酸,返碱,电效低下;研究通过改变电解槽结构,使电解液ph值稳定在7~7.5,使电解反应平稳有序,实现节能降耗和清洁生产。 展开更多
关键词 节能 清洁生产 一体化电解槽
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Hierarchical coral-like FeNi(OH)_x/Ni via mild corrosion of nickel as an integrated electrode for efficient overall water splitting 被引量:2
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作者 Rui Xiang Cheng Tong +5 位作者 Yao Wang Lishan Peng Yao Nie Li Li Xun Huang Zidong Wei 《Chinese Journal of Catalysis》 SCIE EI CAS CSCD 北大核心 2018年第11期1736-1745,共10页
Efficient,stable,and noble‐metal‐free electrocatalysts for both the oxygen evolution reaction and the hydrogen evolution reaction are highly imperative for the realization of low‐cost commercial water‐splitting el... Efficient,stable,and noble‐metal‐free electrocatalysts for both the oxygen evolution reaction and the hydrogen evolution reaction are highly imperative for the realization of low‐cost commercial water‐splitting electrolyzers.Herein,a cost‐effective and ecofriendly strategy is reported to fabricate coral‐like FeNi(OH)x/Ni as a bifunctional electrocatalyst for overall water splitting in alkaline media.With the assistance of mild corrosion of Ni by Fe(NO3)3,in situ generated FeNi(OH)x nanosheets are intimately attached on metallic coral‐like Ni.Integration of these nanosheets with the electrodeposited coral‐like Ni skeleton and the supermacroporous Ni foam substrate forms a binder‐free hierarchical electrode,which is beneficial for exposing catalytic active sites,accelerating mass transport,and facilitating the release of gaseous species.In 1.0 mol L^-1 KOH solution,a symmetric electrolyzer constructed with FeNi(OH)x/Ni as both the anode and the cathode exhibits an excellent activity with an applied potential difference of 1.52 V at 10 mA cm^-2,which is superior to that of an asymmetric electrolyzer constructed with the state‐of‐the‐art RuO2‐PtC couple(applied potential difference of 1.55 V at 10 mA cm^-2).This work contributes a facile and reliable strategy for manufacturing affordable,practical,and promising water‐splitting devices. 展开更多
关键词 Overall water splitting Electro‐catalysis Fe/Ni hydroxide Alkaline electrolyser Integrate electrode
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