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出願の表示

1. CN103280547 - 聚烯烃制微多孔膜及锂离子二次电池用分隔件

官庁 中華人民共和国
出願番号 201310221747.5
出願日 21.12.2009
公開番号 103280547
公開日 04.09.2013
特許番号 103280547
特許付与日 23.09.2015
公報種別 B
IPC
H01M 2/16
H電気
01基本的電気素子
M化学的エネルギーを電気的エネルギーに直接変換するための方法または手段,例.電池
2発電要素以外の部分の構造の細部またはその製造方法
14隔離板;薄膜;隔膜;間隔保持部材
16材質に特徴のあるもの
H01M 10/0525
H電気
01基本的電気素子
M化学的エネルギーを電気的エネルギーに直接変換するための方法または手段,例.電池
10二次電池;その製造
05非水電解質二次電池
052リチウム二次電池
0525ロッキングチェア電池,すなわち両方の電極でリチウムの挿入を伴うもの;リチウムイオン電池
C08J 5/22
C化学;冶金
08有機高分子化合物;その製造または化学的加工;それに基づく組成物
J仕上げ;一般的混合方法;サブクラスC08B,C08C,C08F,C08GまたはC08Hに包含されない後処理(プラスチックの加工,例.成形B29)
5高分子物質を含む成形品の製造
20イオン交換樹脂の成形体の製造
22フイルム,膜または隔膜
CPC
C08J 5/2231
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
5Manufacture of articles or shaped materials containing macromolecular substances
20Manufacture of shaped structures of ion-exchange resins
22Films, membranes, or diaphragms
2206based on organic and/or inorganic macromolecular compounds
2218Synthetic macromolecular compounds
2231based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
C08J 2323/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
2323Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
02not modified by chemical after treatment
H01M 2/1653
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details or processes of manufacture of the non-active parts
14Separators; Membranes; Diaphragms; Spacing elements
16characterised by the material
164comprising non-fibrous material
1653Organic non-fibrous material
H01M 10/0525
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
Y02E 60/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
10Energy storage using batteries
出願人 旭化成电子材料株式会社
発明者 稻垣大助
岩切进一
稻叶真太郎
代理人 北京林达刘知识产权代理事务所(普通合伙) 11277
北京林达刘知识产权代理事务所(普通合伙) 11277
優先権情報 2008-324259 19.12.2008 JP
発明の名称
(ZH) 聚烯烃制微多孔膜及锂离子二次电池用分隔件
要約
(ZH)

本发明提供了一种聚烯烃制微多孔膜,其对异物等具有良好的耐性,并且采用其能够实现高温循环特性优异的锂离子二次电池。本发明提供的聚烯烃制微多孔膜,其长度方向的抗拉强度与宽度方向的抗拉强度之比为0.75~1.25,且在120℃下的所述宽度方向的热收缩率不到10%。