Article(id=1319726196561134539, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319726164160139662, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20240808, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1734451200000, receivedDateStr=2024-12-18, revisedDate=1736179200000, revisedDateStr=2025-01-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1792576844586, onlineDateStr=2026-10-21, pubDate=1752940800000, pubDateStr=2025-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792576844586, onlineIssueDateStr=2026-10-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792576844586, creator=13701087609, updateTime=1792576844586, updator=13701087609, issue=Issue{id=1319726164160139662, tenantId=1146029695717560320, journalId=1263187385517883426, year='2025', volume='53', issue='7', pageStart='1777', pageEnd='2078', issueExtLink='null', onlineDate='null', pubDate='1752940800000', pubDateStr='2025-07-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792576836862, creator='13701087609', updateTime=1792577335628, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319728256174117458, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319726164160139662, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319728256174117459, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319726164160139662, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2013, endPage=2022, ext={EN=ArticleExt(id=1319726196766655436, articleId=1319726196561134539, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Morphology Control and Capacitive Properties of In Situ Ni-Doped CoMoO4 Electrode Materials, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=
Introduction

Energy, environment and industrial production are interconnected with the rapid development of the industrialization process, conventional fossil fuels are close to exhaustion, and the environment on which mankind depends for survival is seriously damaged. The development of efficient, clean and sustainable energy conversion and storage technology is thus an important research direction in scientific community. In this paper, in-situ Ni-doped CoMoO4 electrode materials were synthesized on acidified pretreated nickel foam with nickel chloride formed on hydrochloric acid pretreated nickel foam as a reactive nickel source. The capacitive properties of in-situ Ni-doped CoMoO4 electrode materials synthesized at different hydrothermal reaction temperatures were investigated.

Methods

In this work, 1 mmol Co(NO3)2·6H2O and 1 mmol Na2MoO4·2H2O were dissolved in 60 mL of deionized water (DI) and stirred for 30 min, and then the conventionally cleaned nickel foams and four pieces of acidified pretreated nickel foams were immersed into five beakers of the solutions above, respectively. The solutions were then transferred into a hydrothermal high-pressure reactor lined with polytetrafluoroethylene. The reactor was kept in an oven at different temperatures (i.e., 180, 120, 150, 180 ℃, and 200 ℃) for 12 h, respectively. The nickel foam was removed from the cooled reactor, washed and dried in a vacuum oven at 60 ℃ for 12 h. The synthesized materials were labeled as CoMoO4 (3.6 mg), Ni-CoMoO4-120 (3.93 mg), Ni-CoMoO4-150 (3.46 mg), Ni-CoMoO4-180 (4.88 mg), and Ni-CoMoO4-200 (7.54 mg), respectively.

Results and Discussion

The XRD pattern of CoMoO4 shows that the diffraction peaks at 13.1°, 23.3°, 26.4°, 27.3°, 33.7°, 36.6°, 38.9°, 41.7°, 47.4°, and 54.5° correspond to the crystal planes (001), (021), (002), (112) , (222) , (400), (040), (422), (222), (421), and (440), respectively, of CoMoO4 (JCPDS 21-0868), indicating the effective synthesis of CoMoO4. However, CoMoO4 electrode material synthesized by in-situ Ni doping shows an overall shift of the XRD diffraction peak to the left. The SEM images show that compared to the undoped CoMoO4, Ni-doped CoMoO4 nanosheets at different reaction temperatures are uniformly nucleated and grown on the surface of Ni foam due to Ni ions provided by the nickel foam as a crystallization core, and there is almost no pore space between the nanosheets. The nanosheets are stacked together with mutual reliance and supported. The results of specific surface area measurements indicate that in-situ Ni-doped CoMoO4 has the maximum specific surface area at a hydrothermal temperature of 180 ℃. The results of CV and GCD tests show that the optimum specific capacitance of Ni-doped CoMoO4 electrode material can be obtained at 180 ℃.

Conclusions

In-situ Ni-doped CoMoO4 electrode materials were synthesized on acidified pretreated nickel foam by a hydrothermal method. The morphology of Ni-doped CoMoO4 electrode materials was controlled via modulating the hydrothermal temperatures (i.e., 120, 150, 180 ℃, and 200 ℃), in turn modulating the capacitive properties of CoMoO4 electrode materials. Compared to undoped CoMoO4, Ni-doped CoMoO4 nanosheets with different reaction temperatures uniformly nucleated and grew on the surface of nickel foam due to Ni ions provided by nickel foam as a crystallization core, and the pores between nanosheets became smaller. The nanosheets rely on each other to stack together and support. Ni-CoMoO4 was less prone to some problems like structural collapse and volume deformation when subjected to long-cycle charging and discharging, showing a better cycling performance. The optimum capacitance performance of Ni-doped CoMoO4 could be obtained at 180 ℃, with a high specific capacitance of 4680 mF·cm-2 at 5 mA·cm-2. The capacitance retention of the ASC device after 10 000 cycles was 96%.

, authors=Mingwei LI, Hongxu ZHANG, Yuhan ZOU, authorsList=Mingwei LI, Hongxu ZHANG, Yuhan ZOU, authorCompany=null, correspAuthors=null, authorNote=

LI Mingwei (1969-), female, Associate Professor. E-mail:

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与添加反应前驱体合成元素掺杂纳米材料不同,本工作以盐酸预处理泡沫镍上形成的氯化镍为镍源,采用水热法在酸化预处理泡沫镍上合成了原位Ni掺杂CoMoO4电极材料。通过调节水热反应温度(120、150、180、200 ℃)改变Ni掺杂CoMoO4电极材料的形貌,进而控制其电容性能。随着水热反应温度的提高,Ni掺杂CoMoO4的形貌由薄纳米片变为厚纳米片,同时比表面积也逐渐增大,在反应温度180 ℃达到最大值。水热温度180 ℃时在电流密度5 mA·cm-2下具有4680 mF·cm-2的高比电容,120 ℃时在5 mA·cm-2下比电容为1890 F·cm-2,而未掺杂的CoMoO4纳米材料在5 mA·cm-2下的比电容仅为1690 mF·cm-2。利用水热反应温度为180 ℃合成的Ni掺杂CoMoO4与活性炭(AC)组装的非对称超级电容器(ASC),在10 000次循环后的电容保持率为95%。通过原位Ni掺杂和调节水热反应温度改变Ni掺杂CoMoO4的生长方式和微观形貌,显著改善了CoMoO4的电容性能。

, authors=李明伟, 张洪旭, 邹昱涵, authorsList=李明伟, 张洪旭, 邹昱涵, authorCompany=null, correspAuthors=null, authorNote=

李明伟(1969—),女,副教授。

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原位Ni掺杂CoMoO4电极材料的形貌控制及电容性能
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李明伟 , 张洪旭 , 邹昱涵
硅酸盐学报 | 研究论文 2025,53(7): 2013-2022
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硅酸盐学报 |研究论文 2025 , 53 (7) : 2013 -2022
原位Ni掺杂CoMoO4电极材料的形貌控制及电容性能
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李明伟 , 张洪旭, 邹昱涵
作者信息
  • 辽宁工程技术大学材料科学与工程学院,辽宁 阜新 123000
作者简介:

李明伟(1969—),女,副教授。

Morphology Control and Capacitive Properties of In Situ Ni-Doped CoMoO4 Electrode Materials
Mingwei LI , Hongxu ZHANG, Yuhan ZOU
Affiliations
  • College of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000, Liaoning, China
  • LI Mingwei (1969-), female, Associate Professor. E-mail:

出版时间: 2025-07-20 doi: 10.14062/j.issn.0454-5648.20240808
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与添加反应前驱体合成元素掺杂纳米材料不同,本工作以盐酸预处理泡沫镍上形成的氯化镍为镍源,采用水热法在酸化预处理泡沫镍上合成了原位Ni掺杂CoMoO4电极材料。通过调节水热反应温度(120、150、180、200 ℃)改变Ni掺杂CoMoO4电极材料的形貌,进而控制其电容性能。随着水热反应温度的提高,Ni掺杂CoMoO4的形貌由薄纳米片变为厚纳米片,同时比表面积也逐渐增大,在反应温度180 ℃达到最大值。水热温度180 ℃时在电流密度5 mA·cm-2下具有4680 mF·cm-2的高比电容,120 ℃时在5 mA·cm-2下比电容为1890 F·cm-2,而未掺杂的CoMoO4纳米材料在5 mA·cm-2下的比电容仅为1690 mF·cm-2。利用水热反应温度为180 ℃合成的Ni掺杂CoMoO4与活性炭(AC)组装的非对称超级电容器(ASC),在10 000次循环后的电容保持率为95%。通过原位Ni掺杂和调节水热反应温度改变Ni掺杂CoMoO4的生长方式和微观形貌,显著改善了CoMoO4的电容性能。

泡沫镍酸化预处理  /  原位镍掺杂  /  钼酸钴形貌控制  /  超级电容器
Introduction

Energy, environment and industrial production are interconnected with the rapid development of the industrialization process, conventional fossil fuels are close to exhaustion, and the environment on which mankind depends for survival is seriously damaged. The development of efficient, clean and sustainable energy conversion and storage technology is thus an important research direction in scientific community. In this paper, in-situ Ni-doped CoMoO4 electrode materials were synthesized on acidified pretreated nickel foam with nickel chloride formed on hydrochloric acid pretreated nickel foam as a reactive nickel source. The capacitive properties of in-situ Ni-doped CoMoO4 electrode materials synthesized at different hydrothermal reaction temperatures were investigated.

Methods

In this work, 1 mmol Co(NO3)2·6H2O and 1 mmol Na2MoO4·2H2O were dissolved in 60 mL of deionized water (DI) and stirred for 30 min, and then the conventionally cleaned nickel foams and four pieces of acidified pretreated nickel foams were immersed into five beakers of the solutions above, respectively. The solutions were then transferred into a hydrothermal high-pressure reactor lined with polytetrafluoroethylene. The reactor was kept in an oven at different temperatures (i.e., 180, 120, 150, 180 ℃, and 200 ℃) for 12 h, respectively. The nickel foam was removed from the cooled reactor, washed and dried in a vacuum oven at 60 ℃ for 12 h. The synthesized materials were labeled as CoMoO4 (3.6 mg), Ni-CoMoO4-120 (3.93 mg), Ni-CoMoO4-150 (3.46 mg), Ni-CoMoO4-180 (4.88 mg), and Ni-CoMoO4-200 (7.54 mg), respectively.

Results and Discussion

The XRD pattern of CoMoO4 shows that the diffraction peaks at 13.1°, 23.3°, 26.4°, 27.3°, 33.7°, 36.6°, 38.9°, 41.7°, 47.4°, and 54.5° correspond to the crystal planes (001), (021), (002), (112) , (222) , (400), (040), (422), (222), (421), and (440), respectively, of CoMoO4 (JCPDS 21-0868), indicating the effective synthesis of CoMoO4. However, CoMoO4 electrode material synthesized by in-situ Ni doping shows an overall shift of the XRD diffraction peak to the left. The SEM images show that compared to the undoped CoMoO4, Ni-doped CoMoO4 nanosheets at different reaction temperatures are uniformly nucleated and grown on the surface of Ni foam due to Ni ions provided by the nickel foam as a crystallization core, and there is almost no pore space between the nanosheets. The nanosheets are stacked together with mutual reliance and supported. The results of specific surface area measurements indicate that in-situ Ni-doped CoMoO4 has the maximum specific surface area at a hydrothermal temperature of 180 ℃. The results of CV and GCD tests show that the optimum specific capacitance of Ni-doped CoMoO4 electrode material can be obtained at 180 ℃.

Conclusions

In-situ Ni-doped CoMoO4 electrode materials were synthesized on acidified pretreated nickel foam by a hydrothermal method. The morphology of Ni-doped CoMoO4 electrode materials was controlled via modulating the hydrothermal temperatures (i.e., 120, 150, 180 ℃, and 200 ℃), in turn modulating the capacitive properties of CoMoO4 electrode materials. Compared to undoped CoMoO4, Ni-doped CoMoO4 nanosheets with different reaction temperatures uniformly nucleated and grew on the surface of nickel foam due to Ni ions provided by nickel foam as a crystallization core, and the pores between nanosheets became smaller. The nanosheets rely on each other to stack together and support. Ni-CoMoO4 was less prone to some problems like structural collapse and volume deformation when subjected to long-cycle charging and discharging, showing a better cycling performance. The optimum capacitance performance of Ni-doped CoMoO4 could be obtained at 180 ℃, with a high specific capacitance of 4680 mF·cm-2 at 5 mA·cm-2. The capacitance retention of the ASC device after 10 000 cycles was 96%.

foam nickel acidification pretreatment  /  in-situ nickel doping  /  morphology control of cobalt molybdate  /  supercapacitor
李明伟, 张洪旭, 邹昱涵. 原位Ni掺杂CoMoO4电极材料的形貌控制及电容性能. 硅酸盐学报, 2025 , 53 (7) : 2013 -2022 . DOI: 10.14062/j.issn.0454-5648.20240808
Mingwei LI, Hongxu ZHANG, Yuhan ZOU. Morphology Control and Capacitive Properties of In Situ Ni-Doped CoMoO4 Electrode Materials[J]. Journal of the Chinese Ceramic Society, 2025 , 53 (7) : 2013 -2022 . DOI: 10.14062/j.issn.0454-5648.20240808
  • 辽宁省科技厅应用基础研究项目(2023JH2/101300213)
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doi: 10.14062/j.issn.0454-5648.20240808
  • 接收时间:2024-12-18
  • 首发时间:2026-10-21
  • 出版时间:2025-07-20
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  • 收稿日期:2024-12-18
  • 修回日期:2025-01-07
基金
辽宁省科技厅应用基础研究项目(2023JH2/101300213)
作者信息
    辽宁工程技术大学材料科学与工程学院,辽宁 阜新 123000
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20240808
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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