1. A friction material, comprising:
an amorphous resin that has a chain-like polymer structure;
a filler component;
a binder component; and
a base component;
wherein the friction material comprises coated particles of at least one of the filler, binder and base components coated with the amorphous resin, wherein the coated particles are obtained by mixing at least one of the components with the amorphous resin in the absence of one or more of the other components
wherein the amorphous resin is at least one selected from the group consisting of a polyimide, a polyamidoimide, a polycarbonate, a polyphenylene ether, a polyarylate, a polysulfone and a polyether sulfone, and
wherein the friction material contains 0.001 to 50 vol % of the amorphous resin.
2. The friction material according to claim 1, wherein the friction material comprises particles of a thermosetting resin obtained by polymerizing the amorphous resin with the thermosetting resin.
3. The friction material according to claim 1, wherein the coated particles are obtained by mixing at least one of the components with the amorphous resin before the friction material is subjected to molding.
4. The friction material according to claim 1, wherein the coated particles include particles that consist of the amorphous resin and at least one of the filler component, the binder component and the base component.
5. The friction material according to claim 4, wherein the shaped article comprises the coated particles dispersed within the molded friction material.
6. The friction material according to claim 1, which is in the form of a shaped article obtained by molding the friction material.
7. The friction material according to claim 1, wherein at least two of the components are coated with the amorphous resin.
8. The friction material according to claim 7, wherein all the filer component, the binder component and the base component are at least partially coated with the amorphous resin.
9. The friction material according to claim 7, wherein the friction material includes particles of a high friction component coated with the amorphous resin.
10. The friction material according to claim 9, wherein the high friction component is a component that has a Mohs hardness of 6 or more.
11. The friction material according to claim 9, wherein the high friction component coated with the amorphous resin is compounded with a fibrous component.
12. The friction material according to claim 1, wherein the friction material comprises particles of a thermosetting resin coated with the amorphous resin.
13. The friction material according to claim 12, wherein the thermosetting resin is at least one selected from the group consisting of phenolic resin, modified phenol resin, urea resin, melamine resin, benzoguanamine resin, amino resin, furan resin, unsaturated polyester resin, diallyl phthalate resin, allyl resin, alkyd resin, epoxy resin, thermosetting polyamidoimide resin, thermosetting polyimide resin and silicone resin.
14. The friction material according to claim 12, wherein the powder of the amorphous resin is a spherical powder that has a mean particle diameter of 1 \u03bcm or less.
15. The friction material according to claim 12, wherein the powder of the amorphous resin has a flat shape.
16. The friction material according to claim 15, wherein the powder of the amorphous resin has a flat shape that has a thickness of 1 \u03bcm or less and the length of one side of a square, whose area is same as a surface area in a planar direction of the powder of the amorphous resin, is 3 \u03bcm or less.
17. The friction material according to claim 1, wherein at least one of the components is filled into pores of a porous body formed from the amorphous resin.
18. The friction material according to claim 17, wherein the friction material comprises a plurality of the porous bodies filled with at least one of the components.
19. The friction material according to claim 18, wherein the porous bodies are sheets, and a plurality of the porous body sheets are laminated.
20. The friction material according to claim 18, wherein the components filled into at least two of the plurality of porous bodies are mutually different.
21. The friction material according to claim 18, wherein the porous body is the base component.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A battery pack, comprising:
At least one bare cell, each having a pair of long side surfaces opposite to each other, and short side surfaces that connect the long side surfaces; and
an exterior member composed of an adhesive layer provided adjacent to the at least one bare cell while surrounding a portion of the at least one bare cell, and a base material layer provided on the adhesive layer, and wherein the exterior member comprises one or more first surfaces that face the long side surfaces of the at least one bare cell, and one or more second surfaces connected to the one or more first surfaces so as to correspond to the short side surfaces of the at least one bare cell that extends substantially perpendicular to the one or more first surfaces,
wherein the adhesive layer has one or more openings therein, and the opening is provided adjacent to a portion at which the long and short side surfaces of the at least one bare cell come in contact with each other so that the opening is formed on the one or more first surfaces interposed between the adhesive of the one or more first surfaces and the adhesive of the one or more second surfaces, wherein the opening is co-planar with the adhesive of the one or more first surfaces and is extending in a direction substantially perpendicular to the one or more first surfaces.
2. The battery pack according to claim 1, wherein the exterior member comprises one first surface and a plurality of second surfaces connected to the first surface while being spaced apart from one another.
3. The battery pack according to claim 1, wherein the exterior member further comprises guide portions respectively corresponding to boundaries of the first and second surfaces.
4. The battery pack according to claim 1, wherein one or more of corners of the exterior member are chamfered.
5. The battery pack according to claim 1, wherein the at least one bare cells-comprise a plurality of bare cells that are arranged in parallel so that the short side surfaces of adjacent bare cells come in contact with each other, and the battery pack further comprises a frame that accommodates the bare cells, wherein the frame is provided to have a shape corresponding to the outermost shape of the arranged bare cells.
6. The battery pack according to claim 5, wherein the frame comprises a base portion that supports the bare cells while facing the long side surfaces of the bare cells, and a side portion provided to have a size corresponding to that of the short side surface of the bare cell while being connected to the base portion.
7. The battery pack according to claim 6, wherein the first surface of the exterior member is provided to face the base portion of the frame, and the second surface of the exterior member overlaps with the side portion of the frame.
8. The battery pack according to claim 6, wherein the opening of the adhesive layer is provided to correspond to an end of the side portion of the frame.
9. The battery pack according to claim 6, wherein the base portion is provided with one or more accommodating portions that accommodate the at least one bare cells, and the accommodating portion is provided to have a shape corresponding to the long side surface of the at least one bare cell.
10. The battery pack according to claim 9, wherein the accommodating portions are spaced apart from one another, and a side surface of the accommodating portion is inclined.
11. The battery pack according to claim 1, wherein a surface roughness is provided on the long side surface of the bare cell, and the surface roughness is provided to correspond to the opening.
12. an exterior member comprised of a base material layer and an adhesive layer, wherein the exterior member includes a base portion and at least one side portions that are positioned adjacent the at least one side portions of the frame and wherein at least one opening is formed in the adhesive layer in the base portion of the exterior member adjacent the position of at least one side portion of the frame and wherein the at least one side portions extends substantially perpendicular to the base portion and the at least one opening is positioned so that the hole is interposed between the adhesive of the at least one base portion and a portion of the adhesive of the at least one side portions, wherein the at least one opening is co-planar with the adhesive of the at least one base portion and is extending in a direction substantially perpendicular to the at least one base portion.
13. The battery pack of claim 12, further comprising guide portions respectively corresponding to boundaries between the base portion and the at least one side portion of the exterior member, wherein the guide portions permit the at least one side portion to be bent with respect to the base portion.
14. The battery pack of claim 12, wherein the exterior members define corners and wherein the corners are chamfered.
15. The battery pack of claim 12, wherein the at least one side portions of the exterior member comprise a plurality of discrete side portions connected to the base portion.
16. The battery pack of claim 12, wherein a surface roughness is provided on the long side surface of the bare cell that corresponds to the opening in the adhesive layer.