IP Library › Granted Patent US 10,454,136
Granted Patent B2
US 10,454,136 · App. 15/842,748 · Granted Oct 22, 2019

Polymer electrolyte, polymer electrolyte composition, battery, and electronic apparatus

Inventors: Hitoshi Yamamoto (Chino, JP); Tomofumi Yokoyama (Matsumoto, JP)
Assignee: SEIKO EPSON CORPORATION
H01M10/0565H01M4/36H01M4/362H01M10/0568H01M10/052H01M2004/027H01M2004/028H01M2220/20H01M2220/30H01M2300/0082H01M2300/0085
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,454,136
App. No.
15/842,748
Granted
Oct 22, 2019
Kind
B2
Abstract

A polymer electrolyte according to the invention is represented by the following formula (1). In the formula (1), R 1 and R 2 are each independently hydrogen or CH 3 , R 3 is any of C 2 H 4 , CH(CH 3 )CH 2 , and (CH 2 ) 3 , m and n are each a copolymerization ratio of a structural unit in parentheses, and when m and n are set as follows: m+n=10, m and n satisfy the following formulae: 1≤m≤5 and 5≤n≤9, and p is 2 or more and 8 or less.

Claims (10)

1. A polymer electrolyte represented by the following formula (1):

(wherein R 1 and R 2 are each independently hydrogen or CH 3 , R 3 is any of C 2 H 4 , CH(CH 3 )CH 2 , and (CH 2 ) 3 , m and n are each a copolymerization ratio of a structural unit in parentheses, and when m and n are set as follows: m+n=10, m and n satisfy the following formulae: 1≤m≤5 and 5≤n≤9, and p is 2 or more and 8 or less).

2. The polymer electrolyte according to claim 1 , wherein in the formula (1), when m and n are set as follows: m+n=10, m and n satisfy the following formulae: 2.5≤m≤5 and 5≤n≤8.5.

3. A polymer electrolyte composition comprising the polymer electrolyte according to claim 1 and a lithium salt compound.

4. A battery comprising:

an electrolyte section containing the polymer electrolyte composition according to claim 3 ;

an assembly provided in contact with the electrolyte section and containing an active material and an electrolyte; and

a current collector provided for the electrolyte section through the assembly.

5. The battery according to claim 4 , wherein the electrolyte contains the polymer electrolyte composition according to claim 3 .

6. An electronic apparatus comprising the battery according to claim 4 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 14, 2017
From: YAMAMOTO, HITOSHI; YOKOYAMA, TOMOFUMI
To: SEIKO EPSON CORPORATION
Reel/Frame 044402/0921 →
Priority Claims (1)
JP 2016-252561 · Dec 27, 2016 · national
Continuity (1)
Related Publication 20180183098A1 · Jun 28, 2018