Chemicals used include FEC (BASF, purity 99.4%), DEC (BASF, purity >99%), LiPF6 (BASF, purity 99.9%), LiDFOB (Capchem) and LiBF4 (BASF). After mixing, electrolytes were transferred to the pouch-sealing glovebox without exposing to air. (pdf) (Weber 等。, 2019, p. 5)