一、教材分析高二年级人教版选修4第四章第一节“原电池”的内容是在学习了必修2中“化学能与电能”一节的基础上,对原电池构成条件的进一步学习。通过对原电池的组成和工作原理的学习,了解内电路、外电路、半电池、盐桥等概念。二、学情分析通过必修教材的学习,学生对氧化还原反应、电解 First, the textbook analysis Second PEP PEP 4 fourth chapter first section “original battery ” content is learning compulsory 2 “chemical energy and electric energy ” section, based on the original battery Further learning conditions. Through the composition of the original battery and the working principle of learning to understand the internal circuit, external circuit, half-cell, salt bridge concept. Second, academic analysis Through the study of compulsory teaching materials, students on the redox reaction, electrolysis