电化学反应原理及其应用是中学化学重点知识之一,是高考中必考内容之一,其中新情境、新信息条件下电极方程式的书写也成为常考形式。不仅考查了学生对元素及其化合物知识的掌握程度和综合应用能力,命题时往往以社会生产和生活中新型电池为题材,同时考查学生信息的获取、加工处理、知识迁移能力,体现了化学学科素养的考查。一、电极方程式的书写思路电化学原理与氧化还原反应原理紧密相连,所以新情境、新信息条件下电极方程式是在学生掌握氧化还原反应 Electrochemical reaction principle and its application is one of the key knowledge of chemistry in middle school, which is one of the necessary examinations in the college entrance examination. Writing of the electrode equation under the new situation and new information has also become a common test form. Not only examines the students grasp of the elements and their compound knowledge and comprehensive application ability, proposition often in the social production and life of new batteries as the theme, at the same time examine the student information acquisition, processing, knowledge transfer ability, reflects the chemical discipline Literacy test. First, the electrode equation writing ideas Electrochemical principle and the redox reaction principle is closely linked, so the new situation, the new information under the electrode equation is in the students master the redox reaction