{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以电解二氧化锰和碳酸<span style=\"color:red\">锂</span>为原料用高温固相法合成了尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>,在<span style=\"color:red\">锂</span>与<span style=\"color:red\">锰</span>的原子比从0.95:2到1.1:2范围内,其结构为单一尖晶石相,晶格常数和比容量随着<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>比的增加呈现出先增大后降低的变化规律.在<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>比为1.0:2和1.02:2附近,晶格常数和比容量分别达到最大.这种变化规律与锂离子在晶格中的位置有关.在<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>比从1.0:2到1.1:2的范围内,随着<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>比的增加,尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>嵌脱<span style=\"color:red\">锂</span>反应过程的动力学极化逐渐降低,大电流性能逐渐提高.以尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>为正极,MCMB为负极组装了423048型电池,<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>比从1.0:2到1.1:2,电池循环稳定性随<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>的<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>比的增大而提高.","authors":[],"doi":"","fpage":"349","id":"fc7d9b72-d5ae-4fb3-9417-a94d9c9b23a3","issue":"4","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"68e7740b-0a49-4cb7-8409-75244b3ae27e","keyword":"无机非金属材料","originalKeyword":"无机非金属材料"},{"id":"818b61a4-4395-4822-aba0-38de78700a2f","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"c0b429a9-dbbc-412b-8bc6-a39afeac6005","keyword":"<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>配比","originalKeyword":"锂锰配比"},{"id":"725f6927-8fb6-4c35-bcc5-4e223fc6ef9d","keyword":"锂离子电池","originalKeyword":"锂离子电池"}],"language":"zh","publisherId":"clyjxb200504003","title":"尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>的组成对其结构和性能的影响","volume":"19","year":"2005"},{"abstractinfo":"以电解二氧化锰(EMD)和碳酸<span style=\"color:red\">锂</span>为原料采用固相法合成了尖晶石结构<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>, <span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>和原材料电解二氧化锰的颗粒粒度和形貌具有相似性.在试验范围内, 降低<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>中超细颗粒, 其循环稳定性得到了明显的改善; 过量的<span style=\"color:red\">锂</span>对<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>改性, 随着<span style=\"color:red\">锂</span>加入量的增大, 50℃下改性<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>材料循环稳定性呈逐渐上升趋势, 同时比容量有所下降.通过粒度调整、离子改性, 合成了比容量为92.2 mAh·g-1的改性<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>材料, 50 ℃下循环170次容量保持88%, 显示出较好的循环稳定性.","authors":[{"authorName":"阚素荣","id":"3d475c84-8d15-4d55-b69b-c9082545badc","originalAuthorName":"阚素荣"},{"authorName":"卢世刚","id":"4f5a64b6-085f-45d2-a989-0ad1020ea18e","originalAuthorName":"卢世刚"},{"authorName":"李文成","id":"01e784d4-3891-442f-aaa8-e948d3b3de38","originalAuthorName":"李文成"},{"authorName":"王昌胤","id":"861614ef-cc62-4d1e-8008-7343bdcbe371","originalAuthorName":"王昌胤"},{"authorName":"伍乐","id":"20303e65-7c4f-42aa-a1c5-402ccb467d36","originalAuthorName":"伍乐"},{"authorName":"黄松涛","id":"ee456df6-494a-4ca1-b212-e8cb9ca20424","originalAuthorName":"黄松涛"}],"doi":"10.3969/j.issn.0258-7076.2008.03.024","fpage":"387","id":"86a06e57-e06c-4949-8bd0-536160501ba1","issue":"3","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"24a62ca7-0f6b-451f-8242-c802ad31586e","keyword":"锂离子电池","originalKeyword":"锂离子电池"},{"id":"72fcff51-c21c-4cc1-8081-eb523a412372","keyword":"二氧化锰","originalKeyword":"二氧化锰"},{"id":"9753f1b0-1e01-48f3-8137-d3a71705c909","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"777955b4-a932-4465-a59a-33b745a60d5b","keyword":"循环","originalKeyword":"循环"}],"language":"zh","publisherId":"xyjs200803024","title":"尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>粒度和离子改性对其循环性能的影响","volume":"32","year":"2008"},{"abstractinfo":"通过氧化还原法在室温下制备出球形MnO2前驱体,以LiOH·H2O为<span style=\"color:red\">锂</span>源,按照一定<span style=\"color:red\">锂</span><span style=\"color:red\">锰</span>摩尔比混合,在750℃下焙烧8h,得到球形尖晶石LiMn2O4.采用X射线衍射和扫描电镜对MnO2和LiMn2O4进行了表征,并对LiMn2O4样品在室温和高温下作了充放电性能测试.结果表明:合成的样品以球形颗粒存在,粒度大小均匀,分散性和流动性好;室温和高温条件下首次放电比容量分别为128.2和125.0mAh/g,50次循环后容量保持率分别为90%和68%,球形LiMn2O4在室温和高温下均具有较高的比容量和优良的循环性能.","authors":[{"authorName":"黄可龙","id":"fa9a960b-2117-4229-a557-5c74b78a22a2","originalAuthorName":"黄可龙"},{"authorName":"李永坤","id":"d447b468-c6bf-4103-a057-95e33b3af5e3","originalAuthorName":"李永坤"},{"authorName":"刘素琴","id":"e5fdd1e3-53ff-4e3c-8385-68fb61606e49","originalAuthorName":"刘素琴"},{"authorName":"王洪恩","id":"fa156f98-5395-45cd-9ee4-65307d346995","originalAuthorName":"王洪恩"},{"authorName":"胡卫国","id":"dfb10418-d302-4a55-82a8-ec15c9b4439c","originalAuthorName":"胡卫国"},{"authorName":"黄慧丽","id":"24747967-03a5-4b9a-b9b8-f5864a9fda0c","originalAuthorName":"黄慧丽"}],"doi":"","fpage":"1635","id":"7f894b5f-3c82-4a60-b8b2-9f2061be8688","issue":"10","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"a8bc23f9-4d97-4f24-8120-d552b900610c","keyword":"MnO2","originalKeyword":"MnO2"},{"id":"0c487873-a485-4c38-bc2f-058ee8f94c2d","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"1d9c988a-4ab4-4e52-81e6-1ffa132ef3cc","keyword":"球形","originalKeyword":"球形"},{"id":"e2fa8b6a-05dd-4335-aa65-9db5dd51f10f","keyword":"高温性能","originalKeyword":"高温性能"}],"language":"zh","publisherId":"gncl200710022","title":"球形<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>的制备及高温性能研究","volume":"38","year":"2007"},{"abstractinfo":"用LiMn2O4和碳酸<span style=\"color:red\">锂</span>制备了<span style=\"color:red\">锂</span>改性的<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>产物,循环性能和比容量测试结果表明随着碳酸<span style=\"color:red\">锂</span>加入量的增加,循环稳定性逐渐增强,而比容量有逐渐下降的趋势.循环伏安测试结果表明,LiMn2O4及其改性产物具有两对氧化还原峰.随着碳酸<span style=\"color:red\">锂</span>加入量的增加,两对氧化峰和还原峰峰电位差呈逐渐下降趋势,说明了<span style=\"color:red\">锂</span>脱嵌的可逆性越来越好;氧化(或还原)峰之间的分形变得不明显,峰形逐渐宽化,说明锂离子两步脱嵌过程变得越来越不明显.研究表明锂离子脱出和嵌入的总量随着碳酸<span style=\"color:red\">锂</span>量的增加而减少.XRD结果显示,随着碳酸<span style=\"color:red\">锂</span>加入量的增大,晶格常数逐渐降低,晶格逐渐收缩,结构稳定性增强.","authors":[{"authorName":"黄松涛","id":"33b681aa-2064-439b-85cc-c5a8854ce989","originalAuthorName":"黄松涛"},{"authorName":"阚素荣","id":"16212905-6d6b-495d-8939-15c348c0d25d","originalAuthorName":"阚素荣"},{"authorName":"储茂友","id":"f26af112-d6d4-4090-8fea-b2f7afb59903","originalAuthorName":"储茂友"},{"authorName":"卢世刚","id":"827ecf72-d2b9-4a49-9e65-eda26cacb331","originalAuthorName":"卢世刚"},{"authorName":"沈剑韵","id":"c59e2e0f-d987-4a25-8c44-11d222459837","originalAuthorName":"沈剑韵"}],"doi":"10.3969/j.issn.0258-7076.2006.04.006","fpage":"448","id":"731b74c6-1346-4c2a-bb3f-afd426b22a93","issue":"4","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"03f6ed10-aa7c-442b-b43f-8dd78ca9176f","keyword":"锂离子电池","originalKeyword":"锂离子电池"},{"id":"a9ab89cc-7d8b-49cf-aae7-34407c7b979f","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"e13ef0e9-a952-48b5-b331-8c53395f98dd","keyword":"循环伏安","originalKeyword":"循环伏安"},{"id":"555069c0-1924-4e77-b820-a2876aa8ff91","keyword":"改性","originalKeyword":"改性"}],"language":"zh","publisherId":"xyjs200604006","title":"<span style=\"color:red\">锂</span>改性尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>的循环伏安特性及其电化学性能研究","volume":"30","year":"2006"},{"abstractinfo":"采用固相烧结法分别制备了钴掺杂和镍掺杂<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>锂离子电池正极材料,同时制备了纯相<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>进行比较.用电感耦合等离子发射光谱仪、X射线衍射仪、电子扫描电镜和电池性能测试系统对产物的组成、结构特征、微观表面形貌和恒流充放电性能进行了表征.结果表明:所制备的掺杂<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>LiMn0.9Ni0.1O2、LiMn0.9Co0.1O2的结晶度高,无杂质相,材料颗粒的粒径均匀、表面光滑;首次放电比容量分别为114.7 mAh/g和110.8 mAh/g(0.5 mA/cm,2.8～4.4 V,vs.Li+/Li);50次循环后,放电比容量为107.2 mAh/g和103.3 mAh/g,50次循环比容量保持率分别达到94.1%和95.4%.","authors":[{"authorName":"高农","id":"d5ba7b06-154e-4f92-b57e-b94b186cc6f0","originalAuthorName":"高农"},{"authorName":"张若楠","id":"e7c92dce-6b75-434c-94ae-4fac26531376","originalAuthorName":"张若楠"},{"authorName":"张旭","id":"58351555-3a61-43da-b070-685a95b41c50","originalAuthorName":"张旭"},{"authorName":"顾大明","id":"99b74ace-fcf8-42dd-a69f-b1e4c373ac9b","originalAuthorName":"顾大明"}],"doi":"10.3969/j.issn.1005-0299.2008.02.021","fpage":"232","id":"8506036b-a886-435e-8e01-5eb8b3a4475a","issue":"2","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"b7a692f0-4125-407c-a322-a9634566273a","keyword":"钴掺杂","originalKeyword":"钴掺杂"},{"id":"49315df3-f783-42c8-9d21-dcc81af241d1","keyword":"镍掺杂","originalKeyword":"镍掺杂"},{"id":"abffce34-5c20-4ffb-b67d-225a3bb865fd","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"ac78733b-ffbe-4e42-a9c4-90e7de89bca1","keyword":"正极材料","originalKeyword":"正极材料"},{"id":"4d1582a4-ad1f-469e-87c7-67939c9bf7e9","keyword":"电化学性能","originalKeyword":"电化学性能"}],"language":"zh","publisherId":"clkxygy200802021","title":"钴镍掺杂<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>的电化学性能研究","volume":"16","year":"2008"},{"abstractinfo":"通过多层核壳结构的γ-MnO2成功制备了一种由尖晶石单晶组合而成的空心球形尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>正极材料,所制备的样品采用X射线衍射、扫描电镜进行了表征,并进一步通过循环伏安、交流阻抗以及恒电流充放电对其电化学性能进行了研究.结果表明,所合成的空心球形<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>颗粒大小均匀,平均直径在8μm左右,由结晶良好的尖晶石八面体单晶组成.电性能测试结果表明,空心球形尖晶石<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>具有高比容量、高倍率以及优异的循环性能.在3.3～4.3V电压范围、0.2C下的首次放电比容量高达145.9mAh/g,50次循环后的容量保持率为95.9％,10C时的首次放电比容量仍为113.3mAh/g,100次循环后的容量保持率达95.5％.","authors":[{"authorName":"魏秀格","id":"c0db8500-d1f7-430b-9b9c-4cfe9ba7b507","originalAuthorName":"魏秀格"},{"authorName":"李苞","id":"12d3363d-1db9-428c-add2-aae6672b194b","originalAuthorName":"李苞"},{"authorName":"汤宏伟","id":"997fde62-a001-41c2-ae43-d9060a1e7764","originalAuthorName":"汤宏伟"},{"authorName":"郭东磊","id":"74c9203d-f457-4bff-b19c-c3120966e2b0","originalAuthorName":"郭东磊"},{"authorName":"常照荣","id":"2a2272db-0d2c-461a-a60a-41a2c691211a","originalAuthorName":"常照荣"}],"doi":"10.3969/j.issn.1001-9731.2013.10.028","fpage":"1493","id":"a7874f8c-39a5-4920-a213-51f9c8147bf0","issue":"10","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"bac29460-c9b7-4a9d-9837-1f35ae80d6eb","keyword":"锂离子电池","originalKeyword":"锂离子电池"},{"id":"e633fc16-0438-4e36-9142-8d4899217052","keyword":"正极材料","originalKeyword":"正极材料"},{"id":"0f88caa8-9567-464c-96cb-da2d80a20590","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"a40fa9ae-fdab-4ad3-9bcf-28fe2d4f23d1","keyword":"空心球体","originalKeyword":"空心球体"},{"id":"2ff7cf57-474a-407b-bbbe-4a3d26b97cff","keyword":"高比容量","originalKeyword":"高比容量"}],"language":"zh","publisherId":"gncl201310028","title":"简易制备中空微球<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>的方法及性能研究","volume":"44","year":"2013"},{"abstractinfo":"以LiOH@H2O和MnO2为原料,分别掺入H3BO3、Al 2O3、SiO2和P2O5等添加剂,用固相分段法制备尖晶石型<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>.结果表明,SiO2和P2O5可以有效地改善LiMn2O4的电化学性能,H3BO3对<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>的电化学性能影响不大,而Al2O 3破坏了LiMn2O4的电化学性能.面扫描结果显示,Si或P元素各自都均匀地分散于LiMn2O4的物相中.从元素电负性和原子半径的角度分析了B、Si、P和Al元素对尖晶石型LiMn2O4结构和性能的影响.","authors":[{"authorName":"赵铭姝","id":"dd70a17f-963d-49ad-818b-6a50bb1e6bfc","originalAuthorName":"赵铭姝"},{"authorName":"翟玉春","id":"4fab0c29-413c-4bf9-bd34-dec3b0234cf8","originalAuthorName":"翟玉春"},{"authorName":"田彦文","id":"5c3b157e-432d-4146-97a4-5706fe47856b","originalAuthorName":"田彦文"}],"doi":"","fpage":"70","id":"9014e8cb-2a64-4890-9e5d-4fa7f7dae3b6","issue":"3","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"1570c43a-39c9-4a2e-afb6-220114dea611","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"15fc7de9-e8f1-4192-8b8c-6e511da444ae","keyword":"尖晶石型","originalKeyword":"尖晶石型"},{"id":"644dec40-1a37-4a00-884b-1dfe5a1e4e37","keyword":"添加剂","originalKeyword":"添加剂"},{"id":"5e3bcd09-b1b9-4949-acfd-b538b0cf244b","keyword":"电化学性能","originalKeyword":"电化学性能"}],"language":"zh","publisherId":"cldb200203023","title":"添加剂对尖晶石型<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>性质表征的影响","volume":"16","year":"2002"},{"abstractinfo":"分别采用酸洗、预烧、浸渍掺铬的方式对电解二氧化锰(EMD)进行预处理,研究EMD预处理对制备<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>性能的影响.采用XRD、ICP等手段对预处理的EMD及制备的<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>进行表征,并通过Li/LiMn2O4电池的充放电测试对其电化学性能进行评估.结果表明,酸洗后EMD中的钠、硫等无机杂质含量显著降低；预烧能够有效去除EMD吸附的水分和有机杂质,扩大孔径,增多反应活性位点;对EMD进行浸渍掺铬的预处理,能够得到更加均质的掺铬<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>材料LiCr0.05M1.95O4,并表现出较好的结构稳定性及容量保持率.","authors":[{"authorName":"赵于前","id":"a6df2fc7-4d7b-4373-8bce-d49224cdf855","originalAuthorName":"赵于前"},{"authorName":"蒋庆来","id":"35a4f78d-c288-460c-8e81-237c38d77e54","originalAuthorName":"蒋庆来"},{"authorName":"王伟刚","id":"6d8b47db-0b1d-4ea2-8015-53c45ff65ef5","originalAuthorName":"王伟刚"},{"authorName":"杜柯","id":"3ef954e2-0fea-4823-a808-03b3a070d933","originalAuthorName":"杜柯"},{"authorName":"胡国荣","id":"63c089d2-72bb-4d84-a8aa-65b8c2288775","originalAuthorName":"胡国荣"}],"doi":"10.1016/S1003-6326(11)61297-1","fpage":"1146","id":"432824c0-1513-4922-a25d-1ece42ad4de2","issue":"5","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"d8fab613-c01f-4572-acc6-1858b084a31f","keyword":"锂离子电池","originalKeyword":"锂离子电池"},{"id":"6d447d4c-cfb6-40d4-9cf7-dfbed10560ce","keyword":"正极材料","originalKeyword":"正极材料"},{"id":"5963635f-dc29-4291-bac1-da876896eda0","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"b1329fa4-1b8c-4ef6-b63b-f7c0b60a0b5a","keyword":"二氧化锰","originalKeyword":"二氧化锰"}],"language":"zh","publisherId":"zgysjsxb201205023","title":"电解二氧化锰预处理对制备<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>性能的影响","volume":"22","year":"2012"},{"abstractinfo":"以多壁碳纳米管(Multi-walled carbon nanotubes,MWCNTs)为添加相,对<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>进行电化学性能改进,采用扫描电子显微镜对其进行观察,发现掺入的多壁碳纳米管均匀分布在<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>颗粒表面.以改性后的<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>为主要材料制成纽扣电池,采用交流阻抗及恒电流充放电等技术进行检测.结果表明,掺入1％ MWCNTs后LiMn2O4的初始放电容量由改性前的123mAh/g下降到改性后的117mAh/g,在25℃经10次循环后容量保持率为97％,明显高于未掺入的91％.与未掺杂的LiMn2O4相比,虽然掺C或掺CNTs都使初始充放电容量有所降低,但是其循环性能明显提高.","authors":[{"authorName":"高明","id":"a315fa8a-7367-4511-a4f3-02de5b37685c","originalAuthorName":"高明"},{"authorName":"孙晓刚","id":"0f479e79-6a8a-456a-8c3d-97e9b9925b2d","originalAuthorName":"孙晓刚"},{"authorName":"程利","id":"75be46f3-a5c7-46b2-b4e4-59f8adda9647","originalAuthorName":"程利"},{"authorName":"吁霁","id":"32d5abd9-736f-4e56-9399-77d5a98ad990","originalAuthorName":"吁霁"}],"doi":"","fpage":"63","id":"c7f984fb-d65a-4037-9f03-55661db83fc8","issue":"18","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"40a5b762-b7f0-4509-ae5e-818e1599a163","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"dfb9a4cc-f5b4-4480-a9de-55c60ecda2aa","keyword":"多壁碳纳米管","originalKeyword":"多壁碳纳米管"},{"id":"2167055d-197c-45dd-9ea8-fa8445bf800f","keyword":"循环性能","originalKeyword":"循环性能"}],"language":"zh","publisherId":"cldb201118017","title":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>改性及其电化学性能研究","volume":"25","year":"2011"},{"abstractinfo":"以多壁碳纳米管(Multi-walled carbon nanotubes,MWCNTs)为主要添加相,协同超导乙炔炭黑(SP),对<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>进行电化学改性.对MWCNTs进行预处理,采用扫描电子显微镜观察MWCNTs的微观形貌.掺杂不同质量比的导电剂,制成电池并以恒流充放电方法测试其电化学性能.结果表明,碳包覆后电池的初始充放电比容量都有所下降,掺入1％(质量分数,下同)MWCNTs后的LiMn2O4的首次充放电效率为96.51％,不可逆容量最小,初始放电比容量为116.42 mAh/g,经20次循环后容量保持率仍达962％,使用复合碳源掺杂时,当m(MWCNTs)∶m(SP)=1:2时,首次充放电效率达96.67％,不可逆容量最小,初始放电比容量为119.37 mAh/g,且掺杂2％MWCNTs的效果要略好于掺入2％ SP.","authors":[{"authorName":"孙晓刚","id":"473326f6-4021-4443-ad15-e5bed98d77b6","originalAuthorName":"孙晓刚"},{"authorName":"岳立福","id":"fa4f0645-0edd-4446-b6ee-f220cf94ca2a","originalAuthorName":"岳立福"},{"authorName":"彭清林","id":"5a4d6d9d-36cc-41f6-8a3a-8d2aefeb1628","originalAuthorName":"彭清林"},{"authorName":"吴小勇","id":"6d081084-edfe-40c9-adbe-6f873be488df","originalAuthorName":"吴小勇"},{"authorName":"庞志鹏","id":"0546409d-526c-4520-9174-3a4afabb65ff","originalAuthorName":"庞志鹏"}],"doi":"10.11896/j.issn.1005-023X.2015.02.002","fpage":"6","id":"b7b1553b-d50e-468b-88bb-c416ce717bef","issue":"2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"d748b10b-ca2f-49b3-a133-c4b1cb9f9b93","keyword":"多壁碳纳米管","originalKeyword":"多壁碳纳米管"},{"id":"eeba2ad8-d607-4fda-9620-0224e3096982","keyword":"<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span><span style=\"color:red\">锂</span>","originalKeyword":"锰酸锂"},{"id":"cc40c0df-9a29-4cd1-95b8-1ba4f4c901f2","keyword":"掺杂","originalKeyword":"掺杂"},{"id":"540e0861-cf55-4b6b-a692-5bb4f01a892d","keyword":"比容量","originalKeyword":"比容量"}],"language":"zh","publisherId":"cldb201502002","title":"碳纳米管改性<span style=\"color:red\">锰</span><span style=\"color:red\">酸</span>锂电化学性能的研究","volume":"29","year":"2015"}],"totalpage":1647,"totalrecord":16470}