What are the hidden trouble using lithium battery?

Source: 2020 - 04 - 15 clicks of this statement: lithium ion battery is the most common power supply smartphones and tablets. However, there have been several cell phone lithium battery explosion event. Once fire department experiments show that the lithium battery by physical injury, will expand and smoke, especially when the lithium battery when soaking in the water. It is understood that the chemical properties of metallic lithium is very active, belong to the liquid dangerous goods, it will be exposed to the water or wet will release of flammable gas in the air. In fact, lithium battery heating or burning phenomenon is mainly caused by short circuit and current is too large, but for mobile phones, charge and discharge current is too large will not appear. Therefore, lithium battery short circuit caused by many factors, including the temperature of the battery's physical injury, the working environment as well as the positive and negative electrode short circuit. If the lithium battery shell is damaged, can lead to internal short circuit batteries, resulting in heating and burning. With lithium battery, therefore, electronic equipment, separate the best packaging and insulation. Must pay attention to avoid exposure, to avoid bumping. The effect of the battery M there is a problem. His uncle was appointed M company's marketing manager, because he has a rich experience in marketing. Another promising young Z was appointed deputy general manager of the department. The elderly and young people should work together, complement each other, so they should be more efficient. However, the contradiction between the old employees and young employees make the marketing work can not be, influence the development of the company. I want to move them, but he make up our minds. One day, because the night patrol, I bought two new battery of the flashlight. In order to save money, he doesn't want to throw away a certain quantity of old batteries, so the old and new batteries are used together, but not increase brightness, instead more weak. His son, in high school now, tell him this is because the old batteries into the battery, the energy wasted a new battery. Such a simple truth, suddenly let M lenovo to the company's Marketing Department. Manager's uncle in his conservative, often based on the experience of the old, and it is difficult to accept new things, in the contradiction and bold, dare to do, strange tricks of Z Z some positive and effective marketing strategy cannot achieve, hindered the development of new markets. Inspired by 'cell effect, M made a decisive personnel adjustment: Z was promoted to marketing manager. In addition, a young assistant and he has similar interests and choose for him in his golden age. My uncle is transferred to the company's stock manager, working with a sedate, kindly old man. Therefore, booming market department, good warehouse management. Expert comment: talent configuration is reasonable, can play the biggest role.