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한국조명전기설비학회|조명전기설비학회논문지 2022년 6월

논문명 리튬이차전지 기반 에너지저장장치(ESS)의 화재와 열폭주 억제 기술에 대한 고찰 / A Study on Thermal Runaway Suppression Technology in Abnormal State for Energy Storage System(ESS) Using Lithium Secondary Battery
저자명 박상호 ; 강줄기 ; 김환욱 ; 임홍우
발행사 한국조명전기설비학회
수록사항 조명전기설비학회논문지, Vol.36 No.06 (2022-06)
페이지 시작페이지(26) 총페이지(10)
ISSN 1225-1135
주제분류 환경및설비
주제어 ; Energy storage system(ESS); ESS safety; Lithium ion battery; Thermal runaway; Thermal stability
요약2 A lithium ion battery is an energy storage device that the electrical energy into chemical energy through a charging reaction and then uses electricity through a discharging reaction. Although this technology has been commercialized as a power source for portable electronic devices, its range of use is expanding from several tens of kWh to MWh-class power sources such as electric vehicles(EVs) and energy storage systems (ESS). Currently, it is widely used in battery energy storage systems (BESS) can be used for a variety of applications, including frequency regulation, demand response, integration of renewable energy, and microgrids, respectively. The ESS industry has rapidly expanded its supply through various support policies such as special electricity rate discounts(KEPCO) and renewable energy supply certificates(REC). Simultaneously with the expansion of ESS installation, a total of 29 fires have occurred since the first ESS fire in August 2017. Therefore, in this paper, the ignition mechanism of lithium-ion batteries was analyzed based on the current status of ESS fires in Korea and the results of the investigation. In addition, it is intended to present a method for securing cell-level safety by securing thermal runaway suppression technology by improving the thermal stability of the electrolyte and separator constituting the lithium-ion battery.
소장처 한국조명전기설비학회
언어 한국어
DOI http://doi.org/10.5207/JIEIE.2022.36.6.026