Nonaqueous electrolyte secondary battery and battery pack

Nonaqueous electrolyte secondary battery and battery pack

The invention relates to a nonaqueous electrolyte secondary battery and a battery pack. The non-aqueous electrolyte secondary battery includes an exterior body, an electrode body, and an electrolyte solution. The exterior body accommodates the electrode body and the electrolyte solution. The electro...

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Hauptverfasser: MIYAZAKI ATSUSHI, DAIMON TETSUYA, MITA KAZUTAKA, OGAWA SHUJI, TSUKAGOSHI TAKAFUMI, MURAOKA MASASHI
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator MIYAZAKI ATSUSHI
DAIMON TETSUYA
MITA KAZUTAKA
OGAWA SHUJI
TSUKAGOSHI TAKAFUMI
MURAOKA MASASHI
description The invention relates to a nonaqueous electrolyte secondary battery and a battery pack. The non-aqueous electrolyte secondary battery includes an exterior body, an electrode body, and an electrolyte solution. The exterior body accommodates the electrode body and the electrolyte solution. The electrode body is formed in a flat shape. The electrode body includes a laminate. The laminated body includes a first separator, a positive electrode plate, a second separator, and a negative electrode plate. The first separator, the positive electrode plate, the second separator, and the negative electrode plate are laminated in this order. The electrode body is formed by winding a laminate in a spiral shape. Each of the first separator and the second separator has a ratio limit of 10.2 MPa or less. The ratio limit is measured in a compression test in the thickness direction of the first separator and the second separator. 本发明涉及非水电解质二次电池和组电池。非水电解质二次电池包含外包装体、电极体和电解液。外包装体容纳电极体和电解液。电极体成型为扁平状。电极体包含层叠体。层叠体包含第1分隔体、正极板、第2分隔体和负极
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Nonaqueous electrolyte secondary battery and battery pack
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