Polyurethane foam with graphite fillers recovered from spent lithium-ion batteries
A foam material includes the reaction product of a polyol mixture and an isocyanate mixture and a graphite filler obtained from spent lithium-ion batteries. The graphite filler defines a layered structure and adhesion anchor points.
1 . A foam material comprising the reaction product of a polyol mixture and an isocyanate mixture, and a graphite recovered from a lithium-ion battery, wherein the graphite defines a layered structure and adhesion anchor points.
2 . The foam material according to claim 1 , wherein the foam comprises graphite at greater than or equal to about 0.025 wt. % to less than or equal to about 0.5 wt. %.
3 . The foam material according to claim 1 , wherein the graphite has a purity greater than or equal to about 80%.
4 . The foam material according to claim 1 , wherein the graphite has a purity of greater than or equal to about 95%.
5 . The foam material according to claim 1 , wherein the graphite includes oxygen-containing groups in the form of defects.
6 . A part comprising the foam material according to claim 1 .
7 . A foam material comprising the reaction product of a polyol mixture and an isocyanate mixture, and a graphite filler in an amount of greater than or equal to about 0.025 wt. % and less than or equal to about 0.5 wt. %, wherein the graphite is recovered from a lithium-ion battery.
8 . The foam material according to claim 7 , wherein the graphite filler defines a layered structure and adhesion anchor points.
9 . The foam material according to claim 7 , wherein the graphite filler has a purity greater than or equal to about 80%.
10 . The foam material according to claim 7 , wherein the graphite filler has a purity of greater than or equal to about 95%.
11 . The foam material according to claim 7 , wherein the graphite filler includes oxygen-containing groups in the form of defects.
12 . The foam material according to claim 7 , wherein the foam material has a tensile strength of greater than or equal to about 90 kPa.
13 . The foam material according to claim 7 , wherein the foam material has a tensile modulus of greater than or equal to about 0.15 MPa.
14 . A foam material comprising the reaction product of a polyol mixture and an isocyanate mixture, and a graphite filler in an amount of greater than or equal to about 0.025 wt. % and less than or equal to about 0.5 wt. %, wherein the graphite filler defines a layered structure and adhesion anchor points.
15 . The foam material according to claim 14 , wherein the graphite filler has a purity greater than or equal to about 80%.
16 . The foam material according to claim 14 , wherein the graphite filler a purity of greater than or equal to about 95%.
17 . The foam material according to claim 14 , wherein the graphite filler includes oxygen-containing groups in the form of defects.
18 . The foam material according to claim 14 , wherein the foam material has a tensile strength of greater than or equal to about 90 kPa.
19 . The foam material according to claim 14 , wherein the foam material has a tensile modulus of greater than or equal to about 0.15 MPa.
20 . A part comprising the foam material according to claim 14 .