# US 11,909,047 B2 · Oligomer of N,N′-di(hetero)aryl-5,10-dihydrophenazine, cathode active material, cathode, battery thereof, and process for preparing same

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- Number: US 11,909,047 B2
- Document ID: US11909047B2
- Status: Granted
- Kind: B2
- Application number: 16/971,646
- Filed: 2018-05-18
- Published: 2020-12-10
- Granted: 2024-02-20
- Earliest claimed: 2018-05-18
- Assignees: Soochow University
- Applicants: Soochow University
- Inventors: Yu Zhao; Gaole Dai; Yumin Qian; Xiaohong Zhang
- Web page: https://patentgrep.com/patent/US11909047B2

## CPC

- C07D 241/46: Phenazines
- H01M 4/608: {containing heterocyclic rings}
- C07D 403/14: containing three or more hetero rings
- H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
- H01M 10/054: Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
- H01M 2004/028: {Positive electrodes}
- Y02E 60/10: Energy storage using batteries
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present invention relates to an oligomer-based organic battery materials, cathode active material, cathode and secondary battery comprising such material, and a process for preparing such materials.

## Claims

### Claim 1

An oligomer of the following formula (I):
wherein X is H or phenyl; Y is H,
R is p-phenylene; and n is from 8 and/or 9.

### Claim 2 (depends on 1)

A cathode active material, comprising the oligomer of the formula (I) according to claim 1.

### Claim 3 (depends on 1)

A battery, comprising the oligomer of the formula (I) according to claim 1.