提高泡沫镍综合技术性能的方法

通过试验研究了电镀液镍盐浓度、电镀添加剂(润湿剂、整平剂和光亮剂)、阴极电流密度和热处理等因素对泡沫镍力学性能和阴极电流效率的影响,阐明了工艺技术条件对泡沫镍技术性能的影响机理,提出了提高泡沫镍综合技术性能的工艺方法,制得了综合技术性能指标优良的泡沫镍样品。     

泡沫镍的制备方法

介绍泡沫镍的发展状况和制备方法，主要介绍电沉积制备泡沫镍的方法及泡沫镍的用途。     

超重力对镍电极电解制氢的强化研究

在自行设计的超重力装置上以恒流条件进行水电解实验研究.实验考察了槽电压、超重力系数和泡沫镍孔径大小的关系.结果表明，超重力场显著提高了水电解的效率，在较高的重力系数和电流密度条件下，可明显降低槽电压.槽电压的降低取决于泡沫镍的孔径，小孔径的泡沫镍电极槽电压降接近于镍板，大孔径的泡沫镍电极槽电压降更大，有利于节能.为降低槽电压，实验考察了镍板电极与泡沫镍电极电解效率的临界关系.      

国内泡沫镍在燃料电池阴极材料中的应用概况

泡沫镍作为一种新型的功能材料具有特殊结构和优异的性能,在燃料电池中成为研究热点。本文介绍了国内泡沫镍在燃料电池阴极中的应用,并对泡沫镍在燃料电池中的应用前景作了展望。     

泡沫镍的制备工艺与性能

探讨了在聚氨酯泡沫塑料上用化学镀镍法制备泡沫镍的工艺和性能。经化学镀镍的可导电泡沫的电阻率越大 ,电铸时电流增加速度越慢 ;电阻率的偏差越大所得泡沫镍均匀性越差 ;泡沫镍的化学成分主要受原料镍纯度影响 ;构成泡沫镍网状结构的丝均为中空体 ,其截面呈三角形 ,中空微孔部分的体积占总孔隙率的 1 5 %～3 0 % ;各条件下所得产品孔隙率均大于 95 8%。     

电沉积法制备泡沫镍的研究

采用聚氨脂泡沫为基体,经预处理、化学镀、电沉积工艺制备了均匀分布三维网状孔结构的高空隙率泡沫镍。通过电子扫描电镜(SEM)观察了制备过程中泡沫的形貌,并测定了泡沫镍的主要物理性能。     

泡沫镍的电沉积法制备研究进展

泡沫镍作为一种新型的功能材料具有特殊结构和优异的性能,在燃料电池、电池电极材料、催化剂材料、过滤器、吸声材料等领域中都有广泛应用。本文介绍了泡沫镍的各种制备方法,重点对国内泡沫镍的电沉积法制备工艺进展进行了介绍。     

电镀工艺参数对泡沫镍抗拉强度的影响

泡沫镍的抗拉强度对电池生产与电池品质有着极其重要的影响.试验采用聚氨脂软泡沫塑料作为基材,采用碱性化学镀镍以及热处理工艺制备泡沫镍样品,研究镀液中总镍离子浓度、阴离子型添加剂A的浓度以及其他添加剂浓度对泡沫镍产品抗拉强度的影响,并采用二次镀的方法制备泡沫镍,与一次镀产品进行对比.结果表明,镍离子质量浓度在35～60g/L范围内对产品抗挣强度影响不大;阴离子添加剂A的浓度对泡沫镍的抗拉强度有显著影响,泡沫镍的抗拉强度随着A浓度增加而提高,与不添加A的产品相比,最多可提高40%;二次镀的方法对提高产品的抗拉强度有明显效果,抗拉强度最多可提高50%;同时,稀士元素铈离子的加入对提高扰拉强度有一定的作用.     

大连英可新材料公司的竞争力分析

【安泰科讯】随着电池行业成本压力的转移,同行竞争对手的不断加入,泡沫镍等电池原材料已进入微利时代。具体而言,随着泡沫镍、冲孔镀镍钢带、钴酸锂等主要二次电池材料工厂的不断投产与扩建,市场供应远远大于需求,内销市场价格战不可避免。预计2005年泡沫镍市场需求预计为1250万m2,而经过2003年、2004年的新建与扩建,全球泡沫镍的供应能力已经达到了2290万m2,供求比例1.832:1,而国内的供求比例高达3.92:1。在泡沫镍行业竞争如此激烈的市场上,为什么英可公司还要逆流而上呢?大连英可新材料公司未来的竞争优势何在呢?除了该公司采用的较为新…     

电沉积法制备泡沫镍的研究

泡沫镍是泡沫金属中重要的一种,它因具有良好的透流体性能、电磁屏蔽性能、吸音性能、抗冲击性能而广泛用于各个领域,尤其是军工领域.本实验通过研究粗化时间对泡沫镍空隙率的影响、硫酸铜含量对化学镀铜镀速的影响、硫酸铜含量对均镀能力的影响以及氯离子和电镀温度对电镀镍的影响等方面工作,制备出孔隙率较高、孔型容易控制和通孔的泡沫镍.     

Acceleration of Electricity Reform Brings Benefit to Big Electricity Users,Aluminum Manufacturers Can Save Costs Up to Several Hundred Million

<正>Recently the National Commission of Development and Reform again assembled experts to solicit opinions,and discussed new electricity reform program.According to information disclosed by experts attending the meeting,in the future electricity reform will undergo top-down design,possibly a     

Qinghai's Aluminum Processing Capacity to Rise at the End of the Year

正Since the release of Implementation Opinions on Carrying out‘Guiding Opinions of the State Council on Resolving Serious Production Overcapacity Conflicts’,according to the actual situation of industry,Qinghai has focused on electrolytic aluminum,cement,ironsteel(including iron alloy and silicon carbide),     

Recent Trends in China's Copper Scrap Market-Part Ⅱ

<正>2.Tianjin Scrap Metal Market In Tianjin,we mainly visited Jinghai Ziy Town scrap market and Binhai New Area’some copper scrap enterprises and enterprise using copper scrap.In Ziya we felt the coppe scrap market was particularly deserted,mos copper scrap enterprises in the town wer closed,industry insiders said in 2012 the plac here was bustling with activity.According to     

Shanghai Clearing House to Roll out Renminbi-denominated Copper Clearing Operations in Free Trade Zone

正Clearing House Financial Markets Co.,Ltd.(Shanghai Clearing House)General Manager Xie Zhong told the media recently at the briefing of the international symposium of"Reform Deepening and Mechanism Innovation of the Post-crisis Kerb Market",Shanghai Clearing House will explore the feasibility of carrying out bond business in     

Development and Application of New Materials for Copper Processing in China

正After over 60 years of developmnt,a system for RD and production of copper processing materials has already taken shape in China.After the reform and opening-up,the application of copper processing materials has gradually expanded from the military industry to civil field.The annual output of copper     

China’s Mineral Exploration Market Downturn Causes Decline of Investment in Bauxite

<正>According to a survey report conducted recently by China Geological Survey Development Research Center,in the first half of 2014,China’s mineral exploration market continued to decline,with the investment in exploration of non-fuel minerals dropping by13.7%and drilling workload dropping by21.7%.According to statistical analysis of the Center,     

Fabricated Copper Production by Province or City in 2014

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Zinc Production by Province in 2014

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China's Aluminum Alloy Cable Market has Taken Shape

正Aluminum alloy cable is a mature product and technology that has been used for nearly fifty years in the U.S.Through six years’promotion,it has been widely recognized and accepted in the China market since 2013,which laid the foundation for the development of the aluminum alloy cable market.Aluminum alloy cable is widely applied in the fields of civil construction and industrial and mining enterprises,especially in real estate,steel and metallurgy.     

Qinghai to Build a 100 Billion Yuan Lithium Industry Base

正At 2014 China Qinghai Trade Fair for Green Development Investment,Qinghai EV Rally2014 was introduced for the first time.With electrical vehicles’eco-friendly features,Qinghai manifested its determination on green development.Introducing Qinghai EV Rally was just a signal.By leveraging its rich salt lake resources