Abstract The large surface area of CoNiSe2/CoNiSe2/Ti 3D urchis electrodes have been synthesized with high durability for electrochemical reactions and excellent catalytic performance for HER in the alkaline solutions. The asymmetric supercapacitor based on CoNiSe2/CoNiSe2//CoNiO2/CoNiO2 displays a maximum specific capacitance of 11.6F cm−3 and a high energy density of 2.9 μWh cm−3 at 34 μW cm−3. The present work highlights the ternary selenide is an promising electrode material in the field of advanced energy storage and conversion.

中文翻译：

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基于CoNiSe2/CoNiSe2纳米花的柔性不对称超级电容器和电催化水分解

摘要 合成了大表面积的 CoNiSe2/CoNiSe2/Ti 3D urchis 电极，具有较高的电化学反应耐久性和在碱性溶液中对 HER 的优异催化性能。基于 CoNiSe2/CoNiSe2//CoNiO2/CoNiO2 的非对称超级电容器在 34 μW cm-3 下显示出 11.6F cm-3 的最大比电容和 2.9 μWh cm-3 的高能量密度。目前的工作强调三元硒化物是一种在先进能量存储和转换领域很有前途的电极材料。