摘要
借助手持技术,用阳离子交换膜代替盐桥,滤纸代替烧杯,将双液铜-锌原电池改进为高效化、微型化的夹心式阳离子交换膜原电池。通过实验探究、微观分析得出阳膜电池具有电流示数大且较稳定、装置简易、操作方便、药品用量小、绿色无污染等优点。本实验不仅揭示膜电池的工作原理、还原高考膜电池实验、构建化学电源的基本模型,还贴近生活,提高学生的自主实验探究能力,培养学生宏观辨识与微观探析、科学探究与创新意识的核心素养。
Based on hand-held technology, replacing the salt bridge with cation-exchange membrane, as well as replacing beaker with filter paper, this paper improved the double-liquid copper-zinc primary battery to a novel sandwich copper-zinc primary battery. Experimental inquiry and micro-analysis indicated that the improved battery was highly efficient and miniature, with advantages of durable currents, simple devices, easy operation, smaller amount of drug usage and no pollution et al. Overall, this study uncovered working mechanism of membrane battery and reoccurred membrane battery experiments in National College Entrance Examinations, as well as constructed a basic chemical battery model. Furthermore, this study was very close to our lives and solved practical problems, which also improved students’ abilities and core literacies on independent experimental exploration, macroscopic identification and microscopic analysis, and scientific inquiry and innovation consciousness.
作者
马翠翠
卢玲
董军
MA Cui-Cui;LU Ling;DONG Jun(Panyang High School of Zibo,Zibo 255130,China;Zibo No.4High School,Zibo 255130,China;Zibo Educational&Teaching Institute,Zibo 255030,China)
出处
《化学教育（中英文）》
CAS
北大核心
2020年第7期64-71,共8页
Chinese Journal of Chemical Education
基金
淄博市教育科学“十三五”规划重点课题“DIS数字化传感技术在高中化学实验教学中的应用研究”(课题编号:2016ZJZ008)。
关键词
原电池
阳离子交换膜
手持技术
数字化实验
primary battery
cation-exchange membrane
hand-held technology
digital experiment
作者简介
通信联系人:马翠翠,E-mail:zbyymlx998@163.com。
