\"Scientists have invented a new type of Zn-CO2 water medium battery in recent years. The schematic diagram of the battery is as follows. The electrode is metallic zinc and selective catalytic materials. During discharge, the greenhouse gas CO2 is converted into the hydrogen storage substance formic acid, etc., to solve the environment and energy. The question provides a new way.\"——Excerpt from Question 12 of the Comprehensive Chemistry of the National College Entrance Examination in 2020. A structure called \"bipolar diaphragm\" is used in the picture. What is this? Photo source: 2020 National College Entrance Examination Bipolar Membrane (BPM) is a new type of ion exchange membrane, proposed in the 1950s, the membrane body can be divided into anion-exchange layer (AEL ), the cation-exchange layer (CEL) and the intermediate interface layer, the hydrolysis catalyst is sandwiched between

Introduction The consumption potential of mybattery rural market does have room for imagination for the promotion of new energy vehicles, especially for low-end new energy vehicles, but the complex diversity of the rural market actually puts more \"\"harsh\" on automotive products. Requirements, car companies should do full market research before \"going to the countryside\". On July 14, the General Office of the Ministry of Industry and Information Technology, the General Office of the Ministry of Agriculture and Rural Affairs, and the General Office of the Ministry of Commerce issued the \"Notice on Launching New Energy Vehicles to the Countryside\", announcing the joint organization of new energy vehicles to the countryside from July to December. 1. Main measures of the activity 1. It is planned to start the activity in Qingdao in late July, and then to organize in Haikou City of Hainan Province, Kunming City of Yunnan Province, Chengdu City of Sichuan Province and Taiyuan City of Shanxi Province from late August to late September 4 special events. There will also be a series of corporate activities during the same period. 2. During the event, the local government will release relevant policies in the region to support new energy vehicles to the countryside,

Around 11:00 am California time on Wednesday, Tesla CEO Elon Musk sent out an e-mail congratulating his tens of thousands of employees.\"Just amazing how well you executed, especially in such difficult times. I am so proud to work with you!\" read the email in its entirety.Tesla is expected to repor