Analytical and Bioanalytical Chemistry, Год журнала: 2024, Номер unknown

Опубликована: Сен. 13, 2024

Abstract Fluorinated organic compounds (FOCs) represent a class of synthetic chemicals distinguished by their resilient carbon–fluorine bonds, which demonstrate an ability to withstand environmental degradation over extended period. The integration FOCs into cutting-edge applications, including lithium-ion batteries (LiBs), presents considerable potential for harm that has not yet been sufficiently addressed. This study focuses on the fate two fluorinated aromatics, tris(pentafluorophenyl)borane (TPFP B ) and tris(pentafluorophenyl)phosphine P ), given important role in improving performance LiBs. To achieve this, laboratory simulation methods total oxidizable precursor assay, electrochemistry (EC), Fenton reaction, UV-C irradiation, hydrolysis were employed. Liquid chromatography gas coupled with high-resolution mass spectrometry used identification transformation products (TPs) prediction molecular formulae. Despite structural similarity between TPFP , distinct differences electrochemical behavior pathways observed. readily underwent hydroxylation hydrolysis, resulting wide range 49 TPs. A 28 TPs newly identified, oligomers highly toxic dioxins. In contrast, degraded exclusively under harsh conditions, requiring development innovative conditioning protocols EC. total, experiments yielded nine structurally different compounds, seven previously undescribed, partially defluorinated highlights risks associated use LiBs provides insight complex FOCs. Graphical

Язык: Английский