GENEVA, July 3 -- POSCO HOLDINGS INC. (6261, Donghaean-ro,Nam-gu, Pohang-si,Gyeongsangbuk-do 37859), 포스코홀딩스 주식회사 (경상북도포항시 남구동해안로 6261), POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (77 Cheongam-ro,Nam-gu, Pohang-si,Gyeongsangbuk-do 37673), 포항공과대학교 산학협력단 (경상북도포항시 남구청암로 77) filed a patent application (PCT/KR2024/020440) for "METHOD FOR ANALYZING QUALITY OF LITHIUM SULFIDE IN LITHIUM-SULFUR ELECTRODE" on Dec 16, ...