JPWO2021256093A5 - - Google Patents
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- JPWO2021256093A5 JPWO2021256093A5 JP2022532357A JP2022532357A JPWO2021256093A5 JP WO2021256093 A5 JPWO2021256093 A5 JP WO2021256093A5 JP 2022532357 A JP2022532357 A JP 2022532357A JP 2022532357 A JP2022532357 A JP 2022532357A JP WO2021256093 A5 JPWO2021256093 A5 JP WO2021256093A5
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- Prior art keywords
- heat insulating
- insulating sheet
- intermediate layer
- sheet according
- thermal conductivity
- Prior art date
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- 239000002344 surface layer Substances 0.000 claims description 24
- 239000010410 layer Substances 0.000 claims description 20
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 239000012790 adhesive layer Substances 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 2
- 238000009413 insulation Methods 0.000 claims 2
- 229910052582 BN Inorganic materials 0.000 claims 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000004831 Hot glue Substances 0.000 claims 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 239000003522 acrylic cement Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000004380 ashing Methods 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 239000011231 conductive filler Substances 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Description
本発明の第１の形態に係る断熱シートによれば、中間層と、前記中間層の表面に積層された表面層と、を備え、前記表面層の、厚さ方向の熱伝導率が、０．５０Ｗ／ｍ・Ｋ以下であり、前記中間層の、厚さ方向の熱伝導率が、１．００Ｗ／ｍ・Ｋ以上であり、前記表面層の細孔径を５０μｍ以下であり、前記表面層を、１００ｋＰａで圧縮した時の圧縮率を１０％以上とすることができる。上記構成により、表面層に断熱性を持たせて類焼を防止しつつ、表面層の封止を不要として製造を容易にかつ安価に行える利点が得られる。
According to the first embodiment of the present invention, the heat insulating sheet includes an intermediate layer and a surface layer laminated on the surface of the intermediate layer, the thermal conductivity of the surface layer in the thickness direction is 0.50 W/m·K or less, the thermal conductivity of the intermediate layer in the thickness direction is 1.00 W/m·K or more, the pore size of the surface layer is 50 μm or less, and the compression rate of the surface layer when compressed at 100 kPa can be 10% or more . With the above configuration, it is possible to provide the surface layer with heat insulating properties to prevent fire from spreading, while obtaining the advantage that the surface layer does not need to be sealed, making it easy and inexpensive to manufacture.
さらにまた、本発明の第１５の形態に係る断熱シートによれば、上記いずれかの構成に加えて、耐熱温度を３００～６００℃とすることができる。
Furthermore, according to the heat insulating sheet of the fifteenth embodiment of the present invention, in addition to any one of the above configurations, the heat resistant temperature can be set to 300 to 600°C.
さらにまた、本発明の第１６の形態に係る断熱シートによれば、上記いずれかの構成に加えて、複数の二次電池セルを積層した電源装置に用いる断熱シートであって、中間層と、前記中間層の表面にそれぞれ積層された表面層と、を備え、前記表面層の、厚さ方向の熱伝導率が、０．５０Ｗ／ｍ・Ｋ以下であり、前記中間層の、厚さ方向の熱伝導率が、１．００Ｗ／ｍ・Ｋ以上であり、前記表面層の細孔径を５０μｍ以下であり、前記表面層を、１００ｋＰａで圧縮した時の圧縮率を１０％以上とすることができる。
Furthermore, according to a sixteenth embodiment of the present invention, in addition to any of the above configurations, there is provided an insulating sheet for use in a power supply device in which a plurality of secondary battery cells are stacked, the insulating sheet comprising an intermediate layer and a surface layer laminated on each surface of the intermediate layer, the surface layer having a thermal conductivity in the thickness direction of 0.50 W/m·K or less, the intermediate layer having a thermal conductivity in the thickness direction of 1.00 W/m·K or more, the surface layer having a pore diameter of 50 μm or less, and the surface layer having a compression rate of 10% or more when compressed at 100 kPa .
さらにまた、本発明の第１７の形態に係る電源装置によれば、上記いずれかの断熱シートと、前記断熱シートを介在させて積層した複数の二次電池セルとを備えることができる。 Furthermore, a power supply device according to a seventeenth aspect of the present invention can include any of the heat insulating sheets described above, and a plurality of secondary battery cells stacked with the heat insulating sheets interposed therebetween.
Claims (17)
前記中間層の表面に積層された表面層と、
を備え、
前記表面層の、厚さ方向の熱伝導率が、０．５０Ｗ／ｍ・Ｋ以下であり、
前記中間層の、厚さ方向の熱伝導率が、１．００Ｗ／ｍ・Ｋ以上であり、
前記表面層の細孔径が５０μｍ以下であり、
前記表面層を、１００ｋＰａで圧縮した時の圧縮率を１０％以上としてなる断熱シート。 The middle class,
a surface layer laminated on a surface of the intermediate layer;
Equipped with
The thermal conductivity of the surface layer in the thickness direction is 0.50 W/m K or less,
The intermediate layer has a thermal conductivity in a thickness direction of 1.00 W/m K or more;
The pore size of the surface layer is 50 μm or less,
The heat insulating sheet has a compressibility of 10% or more when the surface layer is compressed at 100 kPa .
前記中間層の表面に積層された表面層と、
を備え、
前記表面層の、厚さ方向の熱伝導率が、０．５０Ｗ／ｍ・Ｋ以下であり、
前記中間層の、厚さ方向の熱伝導率が、１．００Ｗ／ｍ・Ｋ以上であり、
前記表面層の透気抵抗度が、ＪＩＳ Ｐ ８１１７（２００９）試験に準拠したガーレー標準形デンソメータで３～５０００ｓｅｃ／１００ｍＬである断熱シート。 The middle class,
a surface layer laminated on a surface of the intermediate layer;
Equipped with
The thermal conductivity of the surface layer in the thickness direction is 0.50 W/m K or less,
The intermediate layer has a thermal conductivity in a thickness direction of 1.00 W/m K or more;
The heat insulating sheet has an air resistance of 3 to 5000 sec/100 mL as measured by a Gurley standard densometer in accordance with JIS P 8117 (2009) test.
前記表面層が、前記中間層の両面にそれぞれ積層されてなる断熱シート。 The heat insulating sheet according to claim 1 or 2,
The heat insulating sheet is formed by laminating the surface layers on both sides of the intermediate layer.
前記中間層の、面方向の熱伝導率が、１０００Ｗ／ｍ・Ｋ以下である断熱シート。 The heat insulating sheet according to any one of claims 1 to 3,
The thermal insulation sheet, wherein the thermal conductivity of the intermediate layer in the plane direction is 1000 W/m·K or less.
前記中間層の、厚さ方向の熱伝導率が、３．００Ｗ／ｍ・Ｋ以下である断熱シート。 The heat insulating sheet according to any one of claims 1 to 4,
The thermal conductivity of the intermediate layer in the thickness direction is 3.00 W/m·K or less.
前記中間層の、面方向の熱伝導率が、厚さ方向の熱伝導率の５倍以上である断熱シート。 The heat insulating sheet according to any one of claims 1 to 5,
The thermal insulation sheet, wherein the thermal conductivity of the intermediate layer in the plane direction is at least 5 times the thermal conductivity in the thickness direction.
前記中間層が、抄紙シートで構成されてなる断熱シート。 The heat insulating sheet according to any one of claims 1 to 6,
The heat insulating sheet, wherein the intermediate layer is made of a paper sheet.
前記中間層が、繊維又は熱伝導フィラーを含んでなる断熱シート。 The heat insulating sheet according to any one of claims 1 to 7,
The heat insulating sheet, wherein the intermediate layer comprises fibers or a thermally conductive filler.
前記中間層が、グラファイト、窒化硼素、アルミニウムのいずれかを含んでなる断熱シート。 The heat insulating sheet according to any one of claims 1 to 6,
The heat insulating sheet, wherein the intermediate layer comprises any one of graphite, boron nitride, and aluminum.
ＪＩＳ Ｌ １０９１ Ａ－１法（１９９９）試験に準じて１０分間加熱した際における裏面の灰化面積が５００ｍｍ2以下である断熱シート。 The heat insulating sheet according to any one of claims 1 to 9,
A heat insulating sheet having an ashing area on the back surface of 500 mm2 or less when heated for 10 minutes in accordance with the JIS L 1091 A-1 (1999) test.
前記表面層の体積抵抗率が１０10以上である断熱シート。 The heat insulating sheet according to any one of claims 1 to 10,
A heat insulating sheet, wherein the surface layer has a volume resistivity of 10 10 or more.
前記表面層が、繊維、充填材、バインダの少なくともいずれかを含んでなる断熱シート。 The heat insulating sheet according to any one of claims 1 to 11,
The surface layer of the heat insulating sheet comprises at least one of a fiber, a filler, and a binder.
前記中間層と表面層を接着する接着層が、アクリル系接着材、塩化ビニル系接着材、酢酸ビニル系接着材、ホットメルトの少なくともいずれかである断熱シート。 The heat insulating sheet according to any one of claims 1 to 12,
The heat insulating sheet has an adhesive layer for bonding the intermediate layer and the surface layer, the adhesive layer being at least one of an acrylic adhesive, a vinyl chloride adhesive, a vinyl acetate adhesive, and a hot melt adhesive.
厚さを０．２ｍｍ～６．０ｍｍとしてなる断熱シート。 The heat insulating sheet according to any one of claims 1 to 13,
The heat insulating sheet has a thickness of 0.2 mm to 6.0 mm.
耐熱温度が３００～６００℃である断熱シート。 The heat insulating sheet according to any one of claims 1 to 14 ,
A heat insulating sheet having a heat resistance of 300 to 600°C.
中間層と、
前記中間層の表面にそれぞれ積層された表面層と、
を備え、
前記表面層の、厚さ方向の熱伝導率が、０．５０Ｗ／ｍ・Ｋ以下であり、
前記中間層の、厚さ方向の熱伝導率が、１．００Ｗ／ｍ・Ｋ以上であり、
前記表面層の細孔径が、５０μｍ以下であり、
前記表面層を、１００ｋＰａで圧縮した時の圧縮率を１０％以上としてなる断熱シート。 A heat insulating sheet for use in a power supply device in which a plurality of secondary battery cells are stacked,
The middle class,
a surface layer laminated on each surface of the intermediate layer;
Equipped with
The thermal conductivity of the surface layer in the thickness direction is 0.50 W/m K or less,
The intermediate layer has a thermal conductivity in a thickness direction of 1.00 W/m K or more;
The pore size of the surface layer is 50 μm or less,
The heat insulating sheet has a compressibility of 10% or more when the surface layer is compressed at 100 kPa .
前記断熱シートを介在させて積層した複数の二次電池セルと、
を備える電源装置。 The heat insulating sheet according to claim 16 ;
A plurality of secondary battery cells stacked with the heat insulating sheet interposed therebetween;
A power supply device comprising:
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020105487 | 2020-06-18 | ||
| PCT/JP2021/016675 WO2021256093A1 (en) | 2020-06-18 | 2021-04-26 | Insulating sheet and power supply device comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021256093A1 JPWO2021256093A1 (en) | 2021-12-23 |
| JPWO2021256093A5 true JPWO2021256093A5 (en) | 2024-04-26 |
Family
ID=79267725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022532357A Pending JPWO2021256093A1 (en) | 2020-06-18 | 2021-04-26 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2021256093A1 (en) |
| WO (1) | WO2021256093A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023120436A1 (en) * | 2021-12-24 | 2023-06-29 | パナソニックホールディングス株式会社 | Battery pack |
| WO2023120435A1 (en) * | 2021-12-24 | 2023-06-29 | パナソニックホールディングス株式会社 | Battery pack |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5740103B2 (en) * | 2009-10-19 | 2015-06-24 | 日東電工株式会社 | Thermally conductive member and assembled battery device using the same |
| JP6023885B2 (en) * | 2013-06-19 | 2016-11-09 | アモグリーンテック カンパニー リミテッド | Hybrid heat insulating sheet and electronic device equipped with the same |
| US9826668B2 (en) * | 2013-12-31 | 2017-11-21 | Amogreentech Co., Ltd. | Composite sheet and portable terminal having same |
| JP6559136B2 (en) * | 2014-07-29 | 2019-08-14 | 日東シンコー株式会社 | Insulating sheet |
| JP2019147357A (en) * | 2018-02-28 | 2019-09-05 | リンテック株式会社 | Flame retardant heat insulation sheet and electricity storage module |
-
2021
- 2021-04-26 WO PCT/JP2021/016675 patent/WO2021256093A1/en active Application Filing
- 2021-04-26 JP JP2022532357A patent/JPWO2021256093A1/ja active Pending
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