대규모로 휴대폰 배터리를 폐기하는 과정에서 많이 사용되고 있는 염수를 이용한 방전 방법은 자칫 화재로 이어질 개연성이 있음에도 불구하고 휴대폰 배터리의 염수 방전 과정의 화재 위험성에 대한 연구는 거의 없다. 따라서 본 연구에서는 염수를 이용한 휴대폰 배터리의 방전 특성을 조사하고 배터리를 염수에 방전 시 화재 위험성을 분석하여 휴대폰 배터리인 리튬- 이온 배터리의 염수 내 방전 시 화재 발생 가능성을 확인하고자 하였다. 이런 연구 목적을 달성하기 위하여 염수 농도와 중첩된 배터리의 개수, 배터리의 훼손 유무 등을 변화시켜 다양한 조건에서의 실험을 수행하였으며, 각 조건에서의 ...
대규모로 휴대폰 배터리를 폐기하는 과정에서 많이 사용되고 있는 염수를 이용한 방전 방법은 자칫 화재로 이어질 개연성이 있음에도 불구하고 휴대폰 배터리의 염수 방전 과정의 화재 위험성에 대한 연구는 거의 없다. 따라서 본 연구에서는 염수를 이용한 휴대폰 배터리의 방전 특성을 조사하고 배터리를 염수에 방전 시 화재 위험성을 분석하여 휴대폰 배터리인 리튬- 이온 배터리의 염수 내 방전 시 화재 발생 가능성을 확인하고자 하였다. 이런 연구 목적을 달성하기 위하여 염수 농도와 중첩된 배터리의 개수, 배터리의 훼손 유무 등을 변화시켜 다양한 조건에서의 실험을 수행하였으며, 각 조건에서의 방전 전압 및 배터리의 발열 온도를 측정하여 염수농도에 따른 배터리의 방전특성 비교 및 화재 위험성을 분석하였다. 실험 결과를 바탕으로 염수를 활용한 배터리 폐기 작업 시 안전사고를 예방 할 수 있는 방법도 제안하였다.
대규모로 휴대폰 배터리를 폐기하는 과정에서 많이 사용되고 있는 염수를 이용한 방전 방법은 자칫 화재로 이어질 개연성이 있음에도 불구하고 휴대폰 배터리의 염수 방전 과정의 화재 위험성에 대한 연구는 거의 없다. 따라서 본 연구에서는 염수를 이용한 휴대폰 배터리의 방전 특성을 조사하고 배터리를 염수에 방전 시 화재 위험성을 분석하여 휴대폰 배터리인 리튬- 이온 배터리의 염수 내 방전 시 화재 발생 가능성을 확인하고자 하였다. 이런 연구 목적을 달성하기 위하여 염수 농도와 중첩된 배터리의 개수, 배터리의 훼손 유무 등을 변화시켜 다양한 조건에서의 실험을 수행하였으며, 각 조건에서의 방전 전압 및 배터리의 발열 온도를 측정하여 염수농도에 따른 배터리의 방전특성 비교 및 화재 위험성을 분석하였다. 실험 결과를 바탕으로 염수를 활용한 배터리 폐기 작업 시 안전사고를 예방 할 수 있는 방법도 제안하였다.
Recently, the use of lithium-ion batteries has grown exponentially as the advent and penetration of various mobile devices have increased. As a result, homes and manufacturers are using a method of discharging batteries by putting them in salt water as a way of discarding batteries that are ineffici...
Recently, the use of lithium-ion batteries has grown exponentially as the advent and penetration of various mobile devices have increased. As a result, homes and manufacturers are using a method of discharging batteries by putting them in salt water as a way of discarding batteries that are inefficient or unnecessary due to long-term use. In this thesis, the discharge characteristics of the battery were analyzed through experiments under various conditions. And measured the exothermic temperature generated by the discharging battery to check if it is related to the fire hazard. The battery discharge voltage measurement experiment measures to the initial voltage of the battery with a digital tester. Then, immersed the battery in each concentration of salt water and take out the battery every 30 minutes to measure the voltage. by observing the change in voltage, the pattern of discharging battery by salt water concentration was analyzed. The battery's exothermic temperature measurement experiment measures the initial temperature of the battery. and then, The surface temperature of the battery, which changes every 30 minutes after the battery is immersed in each concentration of salt water, was measured and the exothermic temperature pattern of each battery was analyzed. In this experiment, the temperature of the battery was measured with a Thermal imaging camera. By completing the experiment, the following conclusions were reached: The higher concentration of salt water, the greater the discharge value of the battery. also, The discharge voltage of the battery has no effect on the overlapping state. And, Overlapped batteries were measured to higher exothermic temperatures than non-overlapped batteries. last, The lower the concentration of salt water, the longer the discharge duration of the battery. There is a fire hazard in the method of discharging the battery by immersing it in salt water. therefore, when you are working to discard batteries in salt water, you should wear protective equipment for fire, burns.
Recently, the use of lithium-ion batteries has grown exponentially as the advent and penetration of various mobile devices have increased. As a result, homes and manufacturers are using a method of discharging batteries by putting them in salt water as a way of discarding batteries that are inefficient or unnecessary due to long-term use. In this thesis, the discharge characteristics of the battery were analyzed through experiments under various conditions. And measured the exothermic temperature generated by the discharging battery to check if it is related to the fire hazard. The battery discharge voltage measurement experiment measures to the initial voltage of the battery with a digital tester. Then, immersed the battery in each concentration of salt water and take out the battery every 30 minutes to measure the voltage. by observing the change in voltage, the pattern of discharging battery by salt water concentration was analyzed. The battery's exothermic temperature measurement experiment measures the initial temperature of the battery. and then, The surface temperature of the battery, which changes every 30 minutes after the battery is immersed in each concentration of salt water, was measured and the exothermic temperature pattern of each battery was analyzed. In this experiment, the temperature of the battery was measured with a Thermal imaging camera. By completing the experiment, the following conclusions were reached: The higher concentration of salt water, the greater the discharge value of the battery. also, The discharge voltage of the battery has no effect on the overlapping state. And, Overlapped batteries were measured to higher exothermic temperatures than non-overlapped batteries. last, The lower the concentration of salt water, the longer the discharge duration of the battery. There is a fire hazard in the method of discharging the battery by immersing it in salt water. therefore, when you are working to discard batteries in salt water, you should wear protective equipment for fire, burns.
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