融合电化学原理与工业流程的高三二轮复习课——锂离子电池的原理及回收利用

The Second-Period Review Combining Electrochemical Principles and Industrial Process:Principle and Recycling of Lithium-lon Batteries

高三二轮复习要接轨高考,将能力提升与素养发展放在首位。为了示范真实情境中应用已学知识与题给信息解决问题的思路方法,减缓学生面对复杂问题时的畏难情绪,设计了融合电化学原理与工业流程的复习课——锂离子电池的原理及回收利用。以锂离子电池的制备、实验室组装、充放电原理和回收利用为线索,围绕真实的情境素材设置了10个具有评价功能的挑战性任务。课堂上依据评价量表对学生表现进行即时评价与引导,促进其高阶思维的发展。施教后进行反思:挑战性任务最好逐一呈现;高阶思维发展需充足时间;不考的知识可能更有价值。

The second-period review for college entrance examination should focus on improving students'abilities and developing their academic quality in chemistry.To demonstrate how to use the knowledge and information to solve complex problems in a real situation,the revision class combining electrochemical principles and industrial processes about lithium battery is designed for relieving the anxiety of students.The preparation,laboratory assembling,charging and discharging principles,and recycling of the lithium battery are discussed throughout the class.Based on the real situation,ten challenging tasks with evaluation functions are given.The students'performance will be evaluated and guided immediately according to the evaluation scales,which can promote the development of their high-level thinking ability greatly.Reflection has been carried out after the class.The challenging tasks should be assigned step by step;the growth of high-level thinking needs sufficient time;and knowledge that may not be tested can be more valuable.