Article(id=1319241535288357500, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319241501746512444, articleNumber=null, orderNo=null, doi=10.13647/j.cnki.btgkj.2020.01.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1559232000000, receivedDateStr=2019-05-31, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792461292334, onlineDateStr=2026-10-20, pubDate=1582560000000, pubDateStr=2020-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792461292334, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792461292334, creator=13701087609, updateTime=1792461292334, updator=13701087609, issue=Issue{id=1319241501746512444, tenantId=1146029695717560320, journalId=1185652524569653253, year='2020', volume='46', issue='1', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1582560000000', pubDateStr='2020-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792461284337, creator='13701087609', updateTime=1792735012408, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320389600552530694, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319241501746512444, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320389600552530695, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319241501746512444, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=22, endPage=25, ext={EN=ArticleExt(id=1319241535506461309, articleId=1319241535288357500, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Effects of Stoichiometric Ratio on Structure and Properties of Hydrogen Storing Alloy without Praseodymium and Neodymium, columnId=1187340472918880861, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practice and Management, runingTitle=null, highlight=null, articleAbstract=

In the paper, it is introduced the La0.75Ce0.25 (NiCoMnAl) x (x = 4.95, 5.05, 5.15, 5.25) series of alloys were prepared with the induction melting method. The XRD test was carried out for the series of alloys and their phase structure was analyzed; their electrochemical performances were tested with the dual electrodes method and the PCT hydrogenation and dehydrogenation test was carried out. The results showed that all the four samples were with LaNi5 phase of CaCu5 structure, their phase composition was not changed by adjusting the stoichiometric ratio; their maximum hydrogen storage capacity decreased with the increase of stoichiometric ratio, their plateau pressure decreased first and then increased; with the gradual increase of stoichiometric ratio, their discharge capacity decreased gradually; the high-rate performance increased first and then decreased, their maximum 3C HRD value reached 89.6% when the stoichiometric ratio was 5.05; their cycling stability was enhanced with the increase of stoichiometric ratio.

, authors=Liang-liang Yin1, 2, Ying Cai1, authorsList=Liang-liang Yin, Ying Cai, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319241537469395582, articleId=1319241535288357500, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=化学计量比对无镨钕贮氢合金结构与性能影响, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

通过感应熔炼法制备了La0.75Ce0.25(NiCoMnAl)x(x = 4.95,5.05,5.15,5.25)系列合金,对该系列合金进行了XRD测试并分析了合金的相结构;采用双电极方法测试了其电化学性能,并对其进行了PCT气态吸放氢测试。结果表明:四个样品均为CaCu5结构的LaNi5相,化学计量比调整没有改变合金的相组成;合金的最大吸氢量随化学计量比的增大而逐渐减小,平台压力先降低后逐渐增大;随着化学计量比的逐渐增加,合金的放电容量逐渐减小;高倍率性能先升高后降低,当计量比为5.05时合金的3C HRD值达到最大为89.6%;合金的循环稳定性随化学计量比的增大而提高。

, authors=尹亮亮1, 2, 蔡颖1, authorsList=尹亮亮, 蔡颖, authorCompany=null, correspAuthors=null, authorNote=

尹亮亮(1987-),男,山东省莱州市人,工程师,现从事镍氢电池应用研究工作。

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尹亮亮(1987-),男,山东省莱州市人,工程师,现从事镍氢电池应用研究工作。

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尹亮亮(1987-),男,山东省莱州市人,工程师,现从事镍氢电池应用研究工作。

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化学计量比对无镨钕贮氢合金结构与性能影响
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尹亮亮 1, 2 , 蔡颖 1
包钢科技 | 生产实践与管理 2020,46(1): 22-25
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包钢科技 |生产实践与管理 2020 , 46 (1) : 22 -25
化学计量比对无镨钕贮氢合金结构与性能影响
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尹亮亮1, 2, 蔡颖1
作者信息
  • 1.内蒙古科技大学材料与冶金学院,内蒙古 包头 014010
  • 2.内蒙古稀奥科镍氢动力电池有限公司,内蒙古 包头 014030
作者简介:

尹亮亮(1987-),男,山东省莱州市人,工程师,现从事镍氢电池应用研究工作。

Effects of Stoichiometric Ratio on Structure and Properties of Hydrogen Storing Alloy without Praseodymium and Neodymium
Liang-liang Yin1, 2, Ying Cai1
Affiliations
  • 1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Inner Mongolia Rare Earth Ovonic High-power Battery Co., Ltd., Baotou 014030, Inner Mongolia Autonomous Region, China
出版时间: 2020-02-25 doi: 10.13647/j.cnki.btgkj.2020.01.006
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通过感应熔炼法制备了La0.75Ce0.25(NiCoMnAl)x(x = 4.95,5.05,5.15,5.25)系列合金,对该系列合金进行了XRD测试并分析了合金的相结构;采用双电极方法测试了其电化学性能,并对其进行了PCT气态吸放氢测试。结果表明:四个样品均为CaCu5结构的LaNi5相,化学计量比调整没有改变合金的相组成;合金的最大吸氢量随化学计量比的增大而逐渐减小,平台压力先降低后逐渐增大;随着化学计量比的逐渐增加,合金的放电容量逐渐减小;高倍率性能先升高后降低,当计量比为5.05时合金的3C HRD值达到最大为89.6%;合金的循环稳定性随化学计量比的增大而提高。

化学计量比  /  相结构  /  PCT  /  电化学性能

In the paper, it is introduced the La0.75Ce0.25 (NiCoMnAl) x (x = 4.95, 5.05, 5.15, 5.25) series of alloys were prepared with the induction melting method. The XRD test was carried out for the series of alloys and their phase structure was analyzed; their electrochemical performances were tested with the dual electrodes method and the PCT hydrogenation and dehydrogenation test was carried out. The results showed that all the four samples were with LaNi5 phase of CaCu5 structure, their phase composition was not changed by adjusting the stoichiometric ratio; their maximum hydrogen storage capacity decreased with the increase of stoichiometric ratio, their plateau pressure decreased first and then increased; with the gradual increase of stoichiometric ratio, their discharge capacity decreased gradually; the high-rate performance increased first and then decreased, their maximum 3C HRD value reached 89.6% when the stoichiometric ratio was 5.05; their cycling stability was enhanced with the increase of stoichiometric ratio.

stoichiometric ratio  /  phase structure  /  PCT  /  electrochemical performance
尹亮亮, 蔡颖. 化学计量比对无镨钕贮氢合金结构与性能影响. 包钢科技, 2020 , 46 (1) : 22 -25 . DOI: 10.13647/j.cnki.btgkj.2020.01.006
Liang-liang Yin, Ying Cai. Effects of Stoichiometric Ratio on Structure and Properties of Hydrogen Storing Alloy without Praseodymium and Neodymium[J]. Science & Technology of Baotou Steel, 2020 , 46 (1) : 22 -25 . DOI: 10.13647/j.cnki.btgkj.2020.01.006

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doi: 10.13647/j.cnki.btgkj.2020.01.006
  • 接收时间:2019-05-31
  • 首发时间:2026-10-20
  • 出版时间:2020-02-25
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  • 收稿日期:2019-05-31
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    1.内蒙古科技大学材料与冶金学院,内蒙古 包头 014010
    2.内蒙古稀奥科镍氢动力电池有限公司,内蒙古 包头 014030
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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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