New Energy Vehicle Battery and Management System Maintenance "is a highly theoretical and practical course, and a mandatory core course for the New Energy Vehicle Testing and Maintenance Technology major. By studying this course, students will become proficient in the types, structures, principles, and other knowledge of automotive new energy power batteries, as well as proficient in battery performance experiments, maintenance, and other operations; And learn to use general tools, professional tools, equipment, and related materials for standardized operations, as well as have the ability to continuously update structural principles, laying a foundation for learning subsequent courses and participating in professional practice.

The content of the course "Maintenance of New Energy Vehicle Batteries and Management Systems" includes: maintenance of individual batteries, maintenance of power battery systems, maintenance of BMS, maintenance of charging systems, maintenance of thermal management systems, hierarchical utilization and resource utilization of waste power batteries, etc. The course is based on the accumulated theoretical knowledge of power batteries and management systems, focusing on improving key skills such as power battery system maintenance, BMS maintenance, and charging system maintenance. Through 40 micro course videos, the key knowledge of "New Energy Vehicle Battery and Management System Maintenance" is systematically presented.

Syllabus

Course Introduction

Chapter 1 Maintenance of Single-Cell Batteries

1.1.1 Single-Cell Batteries Overview and Development Process of Power Batteries
1.1.2 Internal Structure and Working Principle of Single-Cell Batteries
1.1.3 Identifications for Single-Cell Batteries and Their Meanings
1.2.1 Performance Parameters of Single-Cell Batteries
1.2.2 Overview of Inconsistencies in Lithium- Ion Batteries
1.2.3 Impact of Inconsistency in Single Units on a Battery Pack
1.3.1 Description of Abnormal Voltage Faults in Single Units of a Battery Pack
1.3.2 Analysis and Handling of Abnormal Voltage Faults in Single Units of a Battery Pack

Chapter 2 Maintenance of Power Battery Systems

2.1.1 Performance Requirements and Characteristics of Power Batteries
2.1.2 Model Recognition and Structure Cognition of Power Battery
2.2.1 Importance of Insulation Testing for Power Battery Packs
2.2.2 Methods of Insulation Testing for Power Battery Packs
2.3.1 Precautions for Using Power Batteries
2.3.2 Storage Conditions and Visual Inspection of Power Batteries
2.4.1 Overview and Strategy of Battery Balancing System
2.4.2 Charging Method of Lithium Batteries

Chapter 3 BMS Maintenance and Overhaul

3.1.1 The Significance of Battery Management Systems (BMSs)
3.1.2 Categories and Working Principle of BMS
3.1.3 Primary Functions of BMSs
3.2.1 Battery Information Display on the Instrument
3.2.2 Power Battery System Related Fault Indicator Lights
3.2.3 BMS Data Communication and Topology Structure
3.3.1 Common BMS Fault Diagnosis and Removal

Chapter 4 Maintenance of Charging System

4.1.1 Understanding AC Charging System
4.1.2 Understanding DC Charging System
4.2.1 Understanding AC Charging System Structure
4.2.2 Working Principle of an AC Charging System
4.2.3 Onboard Charger
4.3.1 DC Charging System Structure
4.3.2 Working Principle and Maintenance of an DC Charging System

Chapter 5 Maintenance of Power Battery Management System

5.1.1 Power Battery Thermal Management System for New Energy Vehicles
5.1.2 Power Battery Cooling System
5.1.3 Thermal Management Cooling System for New Energy Vehicles Component Recognition and Their Working Principles
5.1.4 Thermal Management for New Energy Vehicles – PTC Working Principle of an Electric heater
5.2.1 Thermal Management of Typical Vehicle Model 1: The Thermal Management System of Xpeng P7
5.2.2 Thermal Management of Typical Vehicle Model 2: Model Y Thermal System
5.2.3 Thermal Management of Typical Vehicle Model 3: BYD Sealion and Li Auto ONE Thermal Management System