Ionic conduction structural member, secondary battery and method of producing same
申请人:Yamamoto Tomoya
公开号:US20050019668A1
公开(公告)日:2005-01-27
An ionic conduction structural member with a high ionic conductivity and a high charge/discharge efficiency and a secondary battery using the same are provided. The ionic conduction structural member comprises a polymer matrix, a solvent as a plasticizer and an electrolyte, wherein the polymer matrix comprises a polymer chain comprising a segment represented by the following general formula (1) and a segment represented by the following general formula (2):
(wherein R
1
, R
2
, R
4
and R
5
are independently H or an alkyl group of 2 or less carbon atoms; R
3
and R
6
are independently an alkyl group of 4 or less carbon atoms; one of A and B is a group comprising —(CH
2
—CH
2
—O)
m
— and the other is a group comprising —(CH
2
—CH(CH
3
)—O)
n
—, A and B each forming a block; X is a group comprising —(CH
2
—CH
2
—O)
k
—; m and n are independently an integer of 3 or more; and k is an integer of 1 or more), and wherein a main chain part of the polymer chain and the side chain part of the general formula (1) have an orientation property and a crosslinked structure.
本发明提供了一种具有高离子传导性和高充放电效率的离子传导结构件以及使用该结构件的二次电池。离子传导结构件包括聚合物基体、作为增塑剂的溶剂和电解质,其中聚合物基体包括聚合物链,该聚合物链由以下通式(1)表示的段和以下通式(2)表示的段组成:
(其中 R
1
, R
2
, R
4
和 R
5
独立地为 H 或含 2 个或更少碳原子的烷基; R
3
和 R
6
独立地是一个碳原子数为 4 个或更少的烷基;A 和 B 中的一个是一个包含-(CH
2
-CH
2
-O)
m
- 的基团,另一个基团包括-(CH
2
-CH(CH
3
)-O)
n
-,A 和 B 各自形成一个嵌段;X 是一个基团,包括-(CH2)
2
-CH
2
-O)
k
-;m 和 n 独立地为 3 或 3 以上的整数;k 为 1 或 1 以上的整数),其中聚合物链的主链部分和通式(1)的侧链部分具有定向特性和交联结构。