耐熱断熱シートとその製造方法、及び組電池

Japanese Patent JP7115395

B2

Provided are a heat-resistant heat-insulating sheet that has superior heat resistance and heat insulation and is flame-retardant and lightweight, and an assembled battery in which the heat-resistant heat-insulating sheet is inserted between single cells. A heat-resistant heat-insulating sheet (10) has a total thickness of 0.1-2.5 mm and a gross heat of combustion of no greater than 1 MJ/m2, and is provided with: a low-density layer (1) in which the proportion of a content of a clay mineral to a total content of inorganic fibers and the clay mineral is less than 50 mass%; and a first high-density layer (2) and a second high-density layer (3) provided respectively on both faces of the low-density layer (1), wherein in each of the first high-density layer (2) and the second high-density layer (3), the proportion of a content of the clay mineral to a total content of the inorganic fibers and the clay mineral is no less than 50 mass%, and the thickness of the first high-density layer (2) and the second high-density layer (3) is no greater than the thickness of the low-density layer (1) and no less than 0.05 mm.

Hiroyasu Tachibana

JP2019069002A

August 09, 2022

March 29, 2019

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Oji Holdings Co., Ltd.

F16L59/02; D04H1/4209; D21H13/36; D21H13/40; D21H19/38; H01M10/613; H01M10/647; H01M10/653; H01M10/6555; H01M10/658; H01M50/204; H01M50/293

JP2018115409A
JP2009084744A
JP2014224330A
JP11241297A

Yasushi Matsunuma
Yuichiro Kawagoe
Noriko Yanai
Shunsuke Fushimi
Tetsuya Kimizuka

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