Fire protection device with a composite system, composite system and battery pack with a fire protection device
AssigneeCuylits Holding GmbH
InventorsFlorian Winter, Diederik Cuylits
Life of this patent
Estimating the term…
Abstract
Fire protection device with composite system, composite system and battery pack with fire protection device. The present application describes a fire protection device comprising (a) a composite system including (a1) a carrier layer, (a2) an adhesive layer, and (a3) a fire protection layer containing at least one ablative-acting compound, and (b) a shell inside which the composite system is arranged. The fire protection device can be used in battery packs, in order to avoid overheating and/or contain a fire in the battery pack.
Claims21
1-16. (cancelled)
A composite system comprising:
- (1) a carrier layer,
- (2) an adhesive layer, and
- (3) a fire protection layer containing an ablative compound.
The composite system according to claim 1, wherein the ablative compound is selected from the group consisting of LiNO3.3H2O, Na2CO3.H2O, Na2CO3.7H2O, Na2CO3.10H2O, Na2Ca(CO3)2.2H2O, Na2Ca(CO3)2.5H2O, Na(HCO3)Na2CO3.2H2O, Na2S2O3.5H2O, Na2O3Si.5H2O, KF.2H2O, CaBr2. 2H2O, CaBr2.6H2O, CaSO4.2H2O, Ca(SO4).½H2O, Ba(OH)2.8H2O, Ni(NO3)2.6H2O, Ni(NO3)2.4H2O, Ni(NO3)2.2H2O, Zn(NO3)2.4H2O, Zn(NO3)2.6H2O, (ZnO)2(B2O3)2.3H2O, Mg(NO3)2.6H2O, MgSO4.7H2O, Mg(OH)2, Al(OH)3, Al(OH)3.3H2O, AlOOH, Al2[SO4]3.nH2O with n=14-18, KAl(SO4)2.12H2O, CaO.Al2O3.10H2O, MgCO3.3H2O, Ca2Mg14(Al,Fe)4CO3(OH)42.29H2O, Ca3Si(OH)6(SO4)(CO3).12H2O, Ca6Al2[(OH)12″(SO4)3].26H2O, 3CaO.Al2O3.3CaSO4.32H2O, Mg5(OH)2(CO3)44H2O, Ca4Al2(OH)14.6H2O, Mg6Al2(OH)16CO3.4H2O, CaAl2(OH)4(CO3)2.3H2O, Scarbroit, Al14(CO3)3(OH)36, 3CaO.Al2O3.6H2O, NaAl(OH)CO3, Al(OH)3, hydrous zeolites, vermiculites, colemanites, perlites, mica, alkali silicates, borax, modified carbons, graphites, silicas and mixtures thereof.
A fire protection device comprising:
- (a) a composite system comprising:
- (a1) a carrier layer,
- (a2) an adhesive layer and
- (a3) a fire protection layer comprising an ablative compound, and
- (b) a shell in which the composite system is arranged.
A battery pack comprising
- (i) a housing,
- (ii) a rechargeable lithium-ion battery,
- (iii) a fire protection device comprising
- (a) a composite system comprising
- (a1) a carrier layer,
- (a2) an adhesive layer, and
- (a3) a fire-protection layer comprising an ablative-active compound, and
- (b) a shell in which the composite system is arranged.
Dependencies are inferred from the claim text.