{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"为了提高<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>的抗氧化性能,在超细<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>表面包覆一层具有优良导电性和抗氧化的<span style=\"color:red\">银</span>,以乙酰丙酮(Acac)为Cu2+的螯合剂,采用置换反应法制备与原超细<span style=\"color:red\">铜</span>粉粒度相同的包覆型<span style=\"color:red\">铜</span>-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>.采用X射线衍射仪(XRD)、煅烧后增重等手段分析包覆型<span style=\"color:red\">铜</span>-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的抗氧化性能,并用扫描电子显微镜(SEM)表征了其表面形貌.结果表明,乙酰丙酮用量以n(Acac)∶n(AgNO3)=1∶1为宜,AgNO3浓度与<span style=\"color:red\">铜</span>-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的抗氧化性能成反比,AgNO3用量与其抗氧化性能成正比.","authors":[{"authorName":"曹晓国","id":"87026131-8e4d-42c5-8a36-428324d7fa0c","originalAuthorName":"曹晓国"},{"authorName":"张海燕","id":"af07f55f-41b7-4ae3-9f0c-c8b2a27c50ff","originalAuthorName":"张海燕"},{"authorName":"陈易明","id":"0105986f-a717-4a3f-91c4-c8eb2824891a","originalAuthorName":"陈易明"}],"doi":"","fpage":"96","id":"91a97e20-239f-467a-ad42-acfe206d9f9f","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":"c3609b4f-b30d-44db-9ac4-1ee0190d0454","keyword":"<span style=\"color:red\">铜</span>-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"铜-银双金属粉"},{"id":"e528ac17-29cb-4fc4-bc1e-88f6e6ba1d6c","keyword":"抗氧化性能","originalKeyword":"抗氧化性能"},{"id":"7c0180f1-0ef0-41cb-bdec-bee3aa668a97","keyword":"螯合剂","originalKeyword":"螯合剂"},{"id":"1bd8d08c-fb2f-46b7-b97c-2838eef60d58","keyword":"螯型化合物","originalKeyword":"螯型化合物"},{"id":"51c4dee1-ac24-4fcf-9b24-4ecb4a3fd897","keyword":"还原反应","originalKeyword":"还原反应"}],"language":"zh","publisherId":"clkxygy201102020","title":"包覆型<span style=\"color:red\">铜</span>-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的制备","volume":"19","year":"2011"},{"abstractinfo":"研究了利用废弃<span style=\"color:red\">银</span>铜合金触点(Ag、Cu、Sn质量分数分别约为30 %、60 %和2 %)直接制备<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的工艺.原料以硝酸溶解后,采用葡萄糖预还原和水合肼二次还原,在聚乙烯吡咯烷酮(PVP)的保护下制得了粒径在1μm左右类球形超细<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>和超细<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>.还原前加入尿素,控制反应温度在60 ℃温度下,加入抗氧化剂苯并三氮唑,均可防止<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>的表面氧化,从而获得高质量的<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>,<span style=\"color:red\">银</span>、<span style=\"color:red\">铜</span>的回收率达到99 %以上.所得产品可再用于粉末冶金法制备<span style=\"color:red\">银</span>铜合金触点,或者直接用于制备电子浆料.该工艺可避免<span style=\"color:red\">银</span>、<span style=\"color:red\">铜</span>的分离过程,使废弃<span style=\"color:red\">银</span>、铜合金触点中银、<span style=\"color:red\">铜</span>的回收和深加工得到有效结合,从而实现节能减排的目标.","authors":[{"authorName":"王琪","id":"925c54df-2abb-4f51-a025-0aab259892f4","originalAuthorName":"王琪"},{"authorName":"娄德大","id":"c5366f44-6225-4181-970e-0998a5c15c43","originalAuthorName":"娄德大"},{"authorName":"周全法","id":"91a76f4f-54d2-4bdf-80e3-65813d79904d","originalAuthorName":"周全法"}],"doi":"10.3969/j.issn.1001-1277.2010.10.002","fpage":"6","id":"0352733f-8b73-4833-8869-2af34be343b2","issue":"10","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"1f2f1ce4-d94d-4f0e-b17a-9608dd2b3b4d","keyword":"<span style=\"color:red\">银</span><span style=\"color:red\">铜</span>触点","originalKeyword":"银铜触点"},{"id":"d01a5fd2-15a4-4667-b910-e4d7f313c84d","keyword":"<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"银铜双金属粉"},{"id":"b00635ea-97aa-4495-89b4-2610f2caebb1","keyword":"超细<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>","originalKeyword":"超细铜粉"}],"language":"zh","publisherId":"huangj201010002","title":"利用废弃<span style=\"color:red\">银</span>铜合金触点直接制备<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","volume":"31","year":"2010"},{"abstractinfo":"采用化学置换法制备了系列<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>,在制备过程中添加离子掩蔽剂,有效消除了<span style=\"color:red\">铜</span>氨络合离子在<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>表面的吸附,实现<span style=\"color:red\">银</span>在<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>表面的连续包覆.分析了掩蔽原理及其主要影响因素,并用透射电子显微镜,热重分析仪,X射线衍射仪对<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>进行了表征.结果表明:在添加了离子掩蔽剂后制备<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span>粉末为连续包覆型结构,分散性好,有效改善了<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>的抗氧化性能.","authors":[{"authorName":"彭优","id":"1e203d19-5394-4163-b063-50beb1351d6f","originalAuthorName":"彭优"},{"authorName":"聂登攀","id":"cd170218-486d-4820-9e2b-92be075f5cac","originalAuthorName":"聂登攀"},{"authorName":"薛涛","id":"09268610-fe92-46d6-9d89-79e8bc3d0374","originalAuthorName":"薛涛"}],"doi":"","fpage":"1251","id":"c8b2fc96-78d0-4599-8fc2-c0b16c8e6758","issue":"7","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"c892255f-db8b-4830-98b1-7d04346262cc","keyword":"<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"铜银双金属粉"},{"id":"78d521cd-3639-4e5a-a38e-d84efeb60b5e","keyword":"离子掩蔽剂","originalKeyword":"离子掩蔽剂"},{"id":"d28453e8-6994-4cc8-952c-cf5c69d7e240","keyword":"包覆","originalKeyword":"包覆"}],"language":"zh","publisherId":"xyjsclygc201107027","title":"离子掩蔽剂在制备<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>中的应用","volume":"40","year":"2011"},{"abstractinfo":"采用置换反应法制备<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>,使用EDTA代替氨水作Ag+的络合剂,并螯合分散Cu2+,一次性制备了具有常温抗氧化性能的<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>.研究了EDTA的用量、AgNO3浓度、反应温度和AgNO3用量对<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>抗氧化性能的影响,结果表明:EDTA用量以EDTA与AgNO3摩尔比在1～1.25:l的范围内为宜;AgNO3最佳浓度为0.0125 mol/L;反应温度越低越好;AgNO3用量越多越好.","authors":[{"authorName":"曹晓国","id":"a0034b05-d1e9-44ac-a978-1a0f00cc96d9","originalAuthorName":"曹晓国"},{"authorName":"张海燕","id":"47ffbcc9-cba9-4ede-bda2-b287fe8faaa7","originalAuthorName":"张海燕"},{"authorName":"黄惠平","id":"2ccb4ed8-ca3f-41c7-bd56-18def1fa9a46","originalAuthorName":"黄惠平"}],"doi":"","fpage":"151","id":"d299cd15-92c7-4d51-a124-ab5e0e2fed53","issue":"10","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"591adce7-7ff9-474a-9c9d-97bba64b784f","keyword":"<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"铜银双金属粉"},{"id":"a2bf72b2-5357-44fe-b965-416254a35cca","keyword":"络合剂","originalKeyword":"络合剂"},{"id":"63a9cb6a-a4b2-447a-b7a9-8bbfa42b215b","keyword":"抗氧化性能","originalKeyword":"抗氧化性能"}],"language":"zh","publisherId":"cldb200610039","title":"微米级<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的制备及其抗氧化性能研究","volume":"20","year":"2006"},{"abstractinfo":"为改善超细<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>的高温抗氧化性能,通过热力学数据理论上分析了液相还原反应取代置换反应的可行性,并以水合肼作还原剂,<span style=\"color:red\">银</span>以稳定性适中的<span style=\"color:red\">银</span>氨络合物存在,采用化学镀法制备银包覆超细<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>的新技术,利用SEM、XRD等手段对<span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的形貌和晶相组成进行了分析.研究表明,一次包覆<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>基体表面<span style=\"color:red\">银</span>的包覆率为40.22%,二次包覆<span style=\"color:red\">银</span>的包覆率可达94.98%,在<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>表面形成了连续的<span style=\"color:red\">银</span>膜,可以认为是表面包覆结构,拓展了超细<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>的应用领域.","authors":[{"authorName":"徐锐","id":"40e900ce-7a99-45a5-9d09-7d909f470bfd","originalAuthorName":"徐锐"},{"authorName":"周康根","id":"322812da-1656-46e9-ba8c-03bab6269d44","originalAuthorName":"周康根"},{"authorName":"胡敏艺","id":"70881ac1-6f30-45ba-9ff8-81a05d0b40b3","originalAuthorName":"胡敏艺"}],"doi":"","fpage":"333","id":"7d98afa1-e015-404a-9d1c-e31657097f30","issue":"3","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":"9b0dd632-0753-47e4-9ffd-55eecbc2fcc8","keyword":"核壳型","originalKeyword":"核壳型"},{"id":"d17b6ff5-eed4-4e82-88f8-1bf67aaadb06","keyword":"<span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"双金属粉"},{"id":"28564341-ce96-445e-bd6d-32fc28794dd2","keyword":"化学镀","originalKeyword":"化学镀"},{"id":"d2393185-bff2-4108-9070-927cdef18276","keyword":"制备","originalKeyword":"制备"}],"language":"zh","publisherId":"clkxygy200903009","title":"化学镀法制备核壳型<span style=\"color:red\">银</span>-<span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","volume":"17","year":"2009"},{"abstractinfo":"以<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>为基体材料,在反应体系中加入<span style=\"color:red\">铜</span>离子掩蔽剂,采用化学置换法在<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>表面多次包覆<span style=\"color:red\">银</span>及多次高温致密化处理,实现了<span style=\"color:red\">银</span>在<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>表面的连续致密包覆.用X-射线衍射法、扫描电子显微镜、透射电子显微镜和热质量分析的方法对银包<span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>进行了表征.结果表明,<span style=\"color:red\">铜</span><span style=\"color:red\">粉</span>表面的银包覆层致密性好、包覆完全,在800℃以下的抗氧化性能良好.","authors":[{"authorName":"王振杰","id":"7f6a06cd-2d8e-4d36-92cd-555392f02f0b","originalAuthorName":"王振杰"},{"authorName":"耿家锐","id":"061aa5a4-226d-4c09-a0d3-11fe4af975ea","originalAuthorName":"耿家锐"},{"authorName":"聂登攀","id":"07ecf9ef-a215-486a-95a5-bb47e9d48dcf","originalAuthorName":"聂登攀"},{"authorName":"朱明燕","id":"af76ef0d-921e-45c8-9029-2746b099bf8f","originalAuthorName":"朱明燕"},{"authorName":"刘安荣","id":"f8b37a45-5833-4b5f-a249-b34cf4c2413e","originalAuthorName":"刘安荣"}],"doi":"10.3969/j.issn.1001-3849.2016.04.004","fpage":"14","id":"7de74231-41cd-475f-9327-e1a3e6c04584","issue":"4","journal":{"abbrevTitle":"DDYJS","coverImgSrc":"journal/img/cover/DDYJS.jpg","id":"20","issnPpub":"1001-3849","publisherId":"DDYJS","title":"电镀与精饰   "},"keywords":[{"id":"c1489c23-eb3b-4ff3-9b5b-616dc4820f46","keyword":"<span style=\"color:red\">铜</span><span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"铜银双金属粉"},{"id":"c3ddcac1-8373-42cb-8288-79090f81518c","keyword":"致密化处理","originalKeyword":"致密化处理"},{"id":"f7f6a8d0-1b07-4764-be39-41426b358839","keyword":"离子掩蔽剂","originalKeyword":"离子掩蔽剂"}],"language":"zh","publisherId":"ddjs201604004","title":"高抗氧化铜<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的制备及性能研究","volume":"38","year":"2016"},{"abstractinfo":"采用化学镀法在镍<span style=\"color:red\">粉</span>表面包覆一层<span style=\"color:red\">金属银</span>,然后将这种包覆<span style=\"color:red\">粉</span>进行真空热处理,即可制得具有抗氧化作用的微米级镍-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span>粉末.用SEM、XRD、粒度分析和热重分析表征不同包覆厚度的<span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>和原始镍<span style=\"color:red\">粉</span>的表面形貌、包覆结构及其抗氧化性.结果表明:镍<span style=\"color:red\">粉</span>表面包覆的<span style=\"color:red\">银</span>越多,<span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>形状越规则,表面包覆层越致密,<span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的抗氧化温度也就越高,颗粒表面<span style=\"color:red\">银</span>含量为76%(质量分数,下同)时,其抗氧化温度可以达到850℃.","authors":[{"authorName":"李树栋","id":"75dcd93a-c884-489e-9e9d-50b4e938cb49","originalAuthorName":"李树栋"},{"authorName":"袁颖","id":"47a92658-5da0-4829-831d-cf44518bdefd","originalAuthorName":"袁颖"},{"authorName":"赵康","id":"3a979a1e-4e31-4548-b16e-73a0986bfc56","originalAuthorName":"赵康"}],"doi":"","fpage":"817","id":"71a0cdf7-dba0-48eb-84d7-20ffd5d72148","issue":"5","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"45bc34aa-1647-4a5f-970e-ec15e8c26f93","keyword":"镍-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"镍-银双金属粉"},{"id":"c06fd2a2-b588-4019-889d-d9695fa90ad9","keyword":"表面结构","originalKeyword":"表面结构"},{"id":"49b1d651-7c28-410f-8a88-938536c27002","keyword":"抗氧化性","originalKeyword":"抗氧化性"}],"language":"zh","publisherId":"xyjsclygc200605036","title":"微米级镍-<span style=\"color:red\">银</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>镀层结构及其抗氧化性","volume":"35","year":"2006"},{"abstractinfo":"利用激光诱导换膜的方法在氧化钛基体上制备出了<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>薄膜,通过控制激光加工的参数和<span style=\"color:red\">银</span><span style=\"color:red\">铜</span>成分制备出样品.用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、高分辨率透射电子显微镜(HRTEM)和J-V曲线分别对加工前后样品的结构、形貌及光伏性质进行了表征.结果表明:随着溶液中Cu2+浓度的增加,在ITO玻璃上所制备的<span style=\"color:red\">银</span><span style=\"color:red\">铜</span>纳米枝晶的尺寸减小;利用激光诱导换膜工艺,可以在氧化钛基体上制备出<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>薄膜;相比氧化钛膜,在氧化钛膜上沉积<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>薄膜的光阳极具有更高的短路电流密度和开路电压;随着激光加工功率的增大,氧化钛膜上的<span style=\"color:red\">银</span><span style=\"color:red\">铜</span>颗粒变小,光阳极的短路电流密度和开路电压均有增大,但是当激光加工功率很大时,其开路电压变小;在同一激光加工功率下,随着<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>薄膜中银含量的增大,其短路电流密度和开路电压均有增大.","authors":[{"authorName":"刘婧","id":"a1988e7c-3e3a-418f-abae-85c65d3c86a2","originalAuthorName":"刘婧"},{"authorName":"陈福义","id":"9972d16d-86be-449f-9a12-654967f4f334","originalAuthorName":"陈福义"},{"authorName":"樊莉红","id":"0c0dead1-aa00-4fff-8890-6069fa249df0","originalAuthorName":"樊莉红"},{"authorName":"张金生","id":"1ff3d487-5362-4113-95fd-e5a06085e3a2","originalAuthorName":"张金生"}],"doi":"10.3969/j.issn.1004-0676.2012.02.004","fpage":"15","id":"f613c1b7-5ac6-4935-9378-24348d2c2e49","issue":"2","journal":{"abbrevTitle":"GJS","coverImgSrc":"journal/img/cover/GJS.jpg","id":"38","issnPpub":"1004-0676","publisherId":"GJS","title":"贵金属"},"keywords":[{"id":"ba7bd661-03e5-45f9-95c3-d78f5ca60143","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"cbd37a6d-437f-4e1b-88bb-76ca98e3504c","keyword":"<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>","originalKeyword":"银铜双金属"},{"id":"90a96f6a-b212-4bc2-8b20-d4c8dce3f487","keyword":"氧化钛","originalKeyword":"氧化钛"},{"id":"db0d4661-cb12-4efa-bd5a-e217df5ad18c","keyword":"光阳极","originalKeyword":"光阳极"},{"id":"d10d5b99-710e-4a30-9e88-8fc806e9f7f7","keyword":"电沉积","originalKeyword":"电沉积"},{"id":"29b219ea-b480-44e5-aa05-db89b04d87cc","keyword":"激光诱导换膜","originalKeyword":"激光诱导换膜"},{"id":"0da56a5f-faa7-4d0f-a5c6-e3067d07e808","keyword":"光伏性质","originalKeyword":"光伏性质"}],"language":"zh","publisherId":"gjs201202004","title":"<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>薄膜的激光诱导换膜和光伏性质","volume":"33","year":"2012"},{"abstractinfo":"采用电沉积方法制备<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>纳米合金, 用X射线衍射仪(XRD)及高分辨率透射电子显微镜(HRTEM), 扫描电子显微镜(SEM)和电化学工作站分别对样品的结构、微观形貌和电催化性质进行了表征。结果表明, <span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>纳米合金电极在H<sub>2</sub>O<sub>2</sub>溶液中表现出较强的还原电流, 可以作为阴极催化剂; 随着<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>纳米合金沉积电位的变负, 阴极催化作用减弱, 形貌由穗状晶向树枝晶转变; 随着<span style=\"color:red\">铜</span>离子浓度的提高, 阴极催化作用增强, <span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>纳米合金的形貌由树枝晶向棒状晶转变。这意味着, 本文观察到了<span style=\"color:red\">银</span><span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span>纳米合金的<span style=\"color:red\">双金属</span>电催化协同效应。","authors":[{"authorName":"刘婧陈福义张吉晔樊莉红张金生","id":"7858ead5-6a28-4e4c-9fa8-bacbcd1b1ded","originalAuthorName":"刘婧陈福义张吉晔樊莉红张金生"}],"categoryName":"|","doi":"","fpage":"49","id":"757109ac-6aa6-4ebf-b38b-e0447b9b7eb0","issue":"1","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":"41e79f28-9b66-4fab-8cfa-2ad5753d3dc6","keyword":"<span style=\"color:red\">金属</span>材料","originalKeyword":"金属材料"},{"id":"ec855c79-f7d0-4821-b4c3-68701dad911c","keyword":"electrodeposition","originalKeyword":"electrodeposition"},{"id":"52b41456-f09b-4238-b4e7-465070be97a8","keyword":"silver&ndash;copper bimetallic nanoalloy","originalKeyword":"silver&ndash;copper bimetallic nanoalloy"},{"id":"c3cd64a9-e211-4c44-a7c1-067bb419ee46","keyword":"catalytic performance","originalKeyword":"catalytic performance"}],"language":"zh","publisherId":"1005-3093_2012_1_17","title":"<span style=\"color:red\">银</span>钢<span style=\"color:red\">双金属</span>纳米合金的制备和电催化性质","volume":"26","year":"2012"},{"abstractinfo":"研究了氯代1-丁基-3-甲基咪唑(BMIC)离子液体中镁置换铜制备镁/<span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的动力学行为,探讨了搅拌速率、反应温度、<span style=\"color:red\">铜</span>离子浓度和镁粉颗粒大小等参数对反应速率常数的影响.动力学数据结果表明,在离子液体中镁置换<span style=\"color:red\">铜</span>的反应符合一级反应速率方程.反应速率常数随着搅拌速率增加、反应温度升高、<span style=\"color:red\">铜</span>离子浓度降低和镁粉粒径减小而增大.搅拌可使反应速率常数增大1倍左右;Cu(Ⅱ)离子浓度较小时,反应速率常数随Cu(Ⅱ)离子浓度的增加而迅速减小,当Cu(Ⅱ)离子浓度增大到0.25 mo1·L-1时,速率常数的减小趋势逐渐变缓;镁粉粒径范围从50～ 74 μm增加到74 ～ 100 μm,置换反应的速率常数从0.334 h-1减小到0.255 h-1;反应速率常数与反应温度的关系符合阿伦尼乌斯方程,求得置换反应表观活化能为13.6 kJ·mol-1,说明置换过程受扩散控制.此外,Evans图研究也表明,置换反应受Cu(Ⅱ)离子向电极表面扩散过程控制.这一结果与动力学数据的实验结果完全一致.","authors":[{"authorName":"刘海鹏","id":"fd4fd8d1-b665-4930-884f-874e83c5dd2f","originalAuthorName":"刘海鹏"},{"authorName":"徐存英","id":"fe934721-a986-4794-a10d-3dd4e4ff4e6e","originalAuthorName":"徐存英"},{"authorName":"华一新","id":"b45418b1-8189-402b-a6f2-c80a865e194d","originalAuthorName":"华一新"},{"authorName":"李坚","id":"4b340b1f-ece4-4c12-84cc-6d50ea3c0bd9","originalAuthorName":"李坚"},{"authorName":"赵霁雯","id":"b27201a1-71f5-475d-8b3e-0b19640ff394","originalAuthorName":"赵霁雯"},{"authorName":"王震","id":"c9daf12d-ba76-4156-a9f1-262c6a6fdaed","originalAuthorName":"王震"}],"doi":"10.13373/j.cnki.cjrm.2015.10.009","fpage":"916","id":"e7434b4b-c855-445d-8d31-54da4fe2d64a","issue":"10","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"8b1d8557-49f0-4cd7-b86d-116b21f55549","keyword":"置换法","originalKeyword":"置换法"},{"id":"5fdded11-bfb2-445a-9cfc-e8a6ef100ef6","keyword":"镁/<span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>","originalKeyword":"镁/铜双金属粉"},{"id":"ad13c14f-35ec-4d60-8d66-5ac262da2781","keyword":"动力学","originalKeyword":"动力学"},{"id":"2dbb62d6-20cb-4ef0-be43-ecdce00daf83","keyword":"离子液体","originalKeyword":"离子液体"}],"language":"zh","publisherId":"xyjs201510009","title":"离子液体中置换法制备镁/<span style=\"color:red\">铜</span><span style=\"color:red\">双金属</span><span style=\"color:red\">粉</span>的动力学研究","volume":"39","year":"2015"}],"totalpage":3634,"totalrecord":36335}