(19)
(11) EP 4 459 077 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.06.2025 Bulletin 2025/23

(43) Date of publication A2:
06.11.2024 Bulletin 2024/45

(21) Application number: 24201102.1

(22) Date of filing: 14.04.2020
(51) International Patent Classification (IPC): 
E04H 4/16(2006.01)
(52) Cooperative Patent Classification (CPC):
E04H 4/1654; E04H 4/1636
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 22.04.2019 US 201962837017 P

(62) Application number of the earlier application in accordance with Art. 76 EPC:
22170584.1 / 4056788
20722957.6 / 3935242

(71) Applicant: Zodiac Pool Systems LLC
Carlsbad, California 92010 (US)

(72) Inventors:
  • BORG, Dustin
    Poway, California, 92064 (US)
  • LISS, Brian
    San Marcos, California, 92069 (US)

(74) Representative: Weickmann & Weickmann PartmbB 
Postfach 860 820
81635 München
81635 München (DE)

   


(54) AUTOMATIC SWIMMING POOL CLEANERS AND COMPONENTS THEREOF


(57) An electrolyte composition for a lithium ion battery. The composition including: (a) 5-35wt% of lithium salt (b) 2-10wt% of additive; and (c) 55-93wt% solvent; wherein the lithium salt comprises; (ai) a salt selected from lithium 2-trifluoromethyl-4,5-dicyanoimidazolide, lithium difluoro(oxalato)borate, lithium bis(oxalato) borate and lithium tetrafluroborate; (aii) and optionally, a co-salt selected from lithium bis(trifluoromethanesulfonyl)imide and/or lithium bis(fluorosulfonyl)imide; wherein the molar ratio of the salt to co-salt is between 100:0 and 5:95; with the proviso that the composition does not comprise lithium bis(fluorosulfonyl)imide alongside lithium difluoro(oxalato)borate or lithium tetrafluroborate; and wherein the additive comprises vinylene carbonate and optionally, fluoroeth







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