Fiber-containing fire protection material

1 . A fire protection material comprising:

at least 10 wt % of inorganic fibers;

at least 5 wt % of a particulate additive dispersed within the inorganic fibers, the particulate additive selected from precipitated silica, silicon carbide, or combinations thereof; and

at least 2 wt % of a binder dispersed within the inorganic fibers;

wherein the inorganic fibers, the particulate additive, and the binder account for at least 60 wt % of the fire protection material;

wherein the fire protection material does not comprise platelets.

2 . The fire protection material of claim 1 , wherein the inorganic fibers comprise refractory ceramic fiber (RCF), low bio-persistent (LBP) fiber, alkaline earth silicate (AES) fiber, polycrystalline wool (PCW), or a combination thereof.

3 . The fire protection material of claim 1 , wherein the particulate additive comprises the precipitated silica at 5 to 60 wt %.

4 . The fire protection material of claim 1 , wherein the binder comprises latex, cellulose, silicones, polyvinyl alcohol, organic fibers, or a combination thereof.

5 . The fire protection material of claim 4 , comprising 5 to 15 wt % of the binder.

6 . The fire protection material of claim 4 , wherein the binder comprises organic fibers that are dispersed within the inorganic fibers and heated to bind the fire protection material.

7 . The fire protection material of claim 1 , further comprising 2 to 40 wt % of a compressive additive selected from polyurethane, polyethylene, ethylene propylene diene monomer (EPDM), polyethylene terephthalate (PET), silicone, acrylic latex, organic fibers, or combinations thereof dispersed within the inorganic fibers.

8 . A fire protection article comprising:

the fire protection material of claim 1 ; and

a coating layer disposed on at least one surface of the fire protection material;

wherein the coating layer comprises bentonite clay, dispersible Al 2 O 3 , a cross-linkable silicone, or combinations thereof.

9 . The fire protection article of claim 8 , wherein the coating layer comprises a polysiloxane and an additive selected from aluminum trihydroxide, magnesium hydroxide, CaCO 3 , expandable vermiculite, a fluxing agent, inorganic fibers, wollastonite, mica, aerogels, or combinations thereof.

10 . The fire protection article of claim 9 , wherein the coating layer comprises the fluxing agent and inorganic fibers.

11 . The fire protection article of claim 9 , wherein the coating layer is configured to be ceramized at temperatures of 650° C. or greater.

12 . The fire protection article of claim 9 , wherein the coating layer comprises the cross-linkable silicone and is cured using heat or ultraviolet radiation.

13 . A lithium-ion battery comprising:

a housing comprising a lid;

a plurality of cells contained within the housing; and

the fire protection article of claim 8 disposed between at least two of the plurality of cells or between the plurality of cells and the lid.

14 . A fire protection article comprising:

a first layer of the fire protection material of claim 1 ; and

a compressive layer laminated to the first layer of the fire protection material;

wherein the compressive layer comprises polyurethane, polyethylene, ethylene propylene diene monomer (EPDM), polyethylene terephthalate (PET), silicone, acrylic latex, organic fibers, or combinations thereof; and

wherein the compressive layer does not comprise inorganic fibers.

15 . The fire protection article of claim 14 , further comprises a second layer of the fire protection material laminated to the compressive layer opposite the first layer of the fire protection material.

16 . The fire protection article of claim 14 , further comprising a coating layer disposed on at least one surface of the first layer of the fire protection material, wherein the coating layer comprises bentonite clay, dispersible Al 2 O 3 , a cross-linkable silicone, or combinations thereof.

17 . The fire protection article of claim 16 , wherein the coating layer comprises the fluxing agent and inorganic fibers.

18 . A lithium-ion battery comprising:

a housing comprising a lid;

a plurality of cells contained within the housing; and

the fire protection article of claim 14 disposed between at least two of the plurality of cells or between the plurality of cells and the lid.

19 . A lithium-ion battery comprising:

a housing comprising a lid;

a plurality of cells contained within the housing; and

the fire protection material of claim 1 disposed between at least two of the plurality of cells or between the plurality of cells and the lid.

20 . A fire protection material comprising:

at least 60 wt % of inorganic fibers;

at least 5 wt % of an additive dispersed within the inorganic fibers, the additive selected from particles, platelets, aerogels, a foam, or combinations thereof; and

at least 2 wt % of a binder dispersed within the inorganic fibers.

21 . A fire protection material comprising:

at least 40 wt % of inorganic fibers;

at least 30 wt % of a particulate additive dispersed within the inorganic fibers, the particulate additive selected from precipitated silica, silicon carbide, or combinations thereof;

at least 10 wt % of a compressive additive dispersed within the inorganic fibers, the compressive additive selected from polyurethane, polyethylene, ethylene propylene diene monomer (EPDM), polyethylene terephthalate (PET), silicone, acrylic latex, organic fibers, or combinations thereof; and

at least 2 wt % of a binder dispersed within the inorganic fibers.