ELECTROLYTE COMPOSITION HAVING HIGH ENERGY DENSITY PROPERTY AND ELECTROCHEMICAL CELL INCLUDING THE SAME

• Main Authors: WON DU HYUN, LEE HYUNCHEOL
• Format: Patent
• Language: English; Korean
• Published: 29.05.2020
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

As an electrolyte composition having high energy density, the electrolyte composition contains non-fluorinated cyclic carbonate, fluorinated cyclic carbonate and fluorinated acyclic carboxylic acid ester in a specific ratio. The present invention also relates to an electrochemical cell comprising the electrolyte composition, an energy storage system (ESS) comprising the electrochemical cell, and a transport device. 고에너지 밀도 특성을 갖는 전해질 조성물로서, 비-플루오르화(non-fluorinated) 사이클릭 카르보네이트, 플루오르화 사이클릭 카르보네이트 및 플루오르화 비-사이클릭(acyclic) 카르복실산 에스테르를 특정 비율로 포함하는 전해질 조성물, 상기 전해질 조성물을 포함하는 전기화학 전지, 및 상기 전기화학 전지를 포함하는 에너지 저장 시스템(energy storage system, ESS) 및 수송 디바이스 등에 관한 것이다.