贱金属Ni电极的制备和性能

doi:10.11901/1005.3093.2018.372

材料研究学报

2019, Vol. 33

Issue (2): 131-137 DOI: 10.11901/1005.3093.2018.372

本期目录 | 过刊浏览

贱金属Ni电极的制备和性能

骆迁¹,姜朝斌¹,黄万雄³,刘赐宇¹,严航¹,陈勇¹(

),叶波^1,²(

)

1. 湖北大学物理与电子科学学院铁电压电材料与器件湖北省重点实验室有机化工新材料湖北省协同创新中心功能材料绿色制备与应用教育部重点实验室武汉430062
2. 湖北大学计算机与信息工程学院武汉 430062
3. 武汉市宜鹏光电科技股份有限公司武汉 430000

Preparation and Properties of Base Metal Ni Electrode

Qian LUO¹,Chaobin JIANG¹,Wanxiong HUANG³,Ciyu LIU¹,Hang YAN¹,Yong CHEN¹(

),Bo YE^1,²(

)

1. School of Physics and Electronic Science, Hubei University, Laboratory of Ferro & Piezoelectric Materials and Devices of Hubei Province, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory of Green Preparation and Application for Functional Materials, Ministry of Education, Hubei University, Wuhan 430062, China
2. School of Computer Science and Information Engineering, Hubei University, Wuhan 430062, China
3. Yi-Peng Optoelectronic Polytron Technologies Inc., Wuhan 430000, China

引用本文:

骆迁,姜朝斌,黄万雄,刘赐宇,严航,陈勇,叶波. 贱金属Ni电极的制备和性能[J]. 材料研究学报, 2019, 33(2): 131-137.
Qian LUO, Chaobin JIANG, Wanxiong HUANG, Ciyu LIU, Hang YAN, Yong CHEN, Bo YE. Preparation and Properties of Base Metal Ni Electrode[J]. Chinese Journal of Materials Research, 2019, 33(2): 131-137.

全文: PDF(4479 KB) HTML

摘要:

使用Ni、B粉和玻璃粉制备贱金属Ni电极浆料，加入松香松油醇作为有机溶剂。两组浆料中Ni粉，B粉和玻璃粉的质量百分比分别为70%、15%、15%和68%、16%、16%。将浆料涂覆在PTC半导瓷上在790~870℃烧结，制备出贱金属Ni电极。用SEM电镜观察电极样品截面的形貌。对不同烧结温度的Ni电极做截面EDX线扫以获取电极和陶瓷各组成元素的原子数的变化。改变浆料的组成和烧结温度调节了电极的匹配性以及体电阻、方阻等电学性能。在810~850℃区间内保温20 min，在PTC等半导瓷上得到的Ni电极具有良好电学性能。根据电极和瓷体主要元素的原子百分比的变化研究了陶瓷与电极的匹配性并分析了温度变化对扩散系数D以及原子浓度百分比变化的影响，探索了客观性质的微观机理。实现了Ni电极与PTC陶瓷的良好匹配。

关键词 ：金属材料, Ni电极浆料, 欧姆接触, 扩散, 贱金属

Abstract：

Nickel electrode paste was prepared with powders of Ni, B and glass as raw material and rosin containing terpineol as organic binder. Two formulae of 70%, 15% and 15% as well as 68%, 16% and 16% of Ni, B and glass (mass fraction) respectively were adopted, which were applied on PTC semiconductor porcelain and then fired in air at 790~870^oC with varying processing parameters to produce Ni electrodes. The prepared electrodes were characterized by means of SEM with EDX. The room temperature resistance and square resistance of the electrode were measured by multimeter and RTS-8 four-probe tester respectively. Results show that after fired at 810~850^oC for 20 min, the prepared Ni electrodes on PTC semiconductor porcelain and other ceramics present excellent compatibility with substrates and good electrical properties. With the increasing fire temperature, the resistance and square resistance of the electrode decrease first and then increase, however both of them are the lowest for the electrode fired at 820^oC.

Key words： metallic materials Ni electrode paste ohmic contact diffusion base metal

收稿日期: 2018-06-06

ZTFLH:

TN304

基金资助:武汉市第九批3551光谷人才计划(2016114);功能材料绿色制备与应用教育部重点实验室开放基金(201709)

作者简介: 骆迁，男，1992年生，硕士生

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https://www.cjmr.org/CN/10.11901/1005.3093.2018.372 或 https://www.cjmr.org/CN/Y2019/V33/I2/131

表1 Ni电极浆料组成成分及作用

表2 Ni电极浆料的配方

图1 Ni电极浆料的制备流程

图2 Ni电极样品烧结过程的温度曲线

图3 两组Ni电极样品方阻与烧结温度的关系

图4 两组Ni电极样品体电阻与烧结温度的关系

图5 Ni电极样品在不同烧结温度下的截面形貌

图6 烧结温度不同的电极样品元素浓度随扫描位置的变化

图7 电极样品在不同扫描位置处元素浓度随烧结温度的变化

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