POLYTHIOPHENE DERIVATIVE, METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY
申请人:NOMURA Masayoshi
公开号:US20170346095A1
公开(公告)日:2017-11-30
A polythiophene derivative including
a repeating unit represented by General Formula (1) below:
where R
1
and R
2
each independently denote a group having from 2 through 9 carbon atoms represented by —(R
3
—S)
p
—R
4
(where R
3
denotes an alkylene group having from 1 through 4 carbon atoms, R
4
denotes an alkyl group having from 1 through 6 carbon atoms or an aromatic group having from 5 through 6 carbon atoms, and p denotes an integer of 1 or 2), Ar denotes an optionally substituted divalent or monovalent aromatic ring moiety or aromatic heterocyclic moiety, m denotes a natural number of 2 or more, and n denotes a natural number of 0 or 2 or more.