US 12,107,219 B2
Polymer, polymer electrolyte and lithium ion battery
Junhuan Li, Shenzhen (CN); Gengbiao Xu, Shenzhen (CN); Chenglin Yang, Shenzhen (CN); Zikun Li, Shenzhen (CN); and Youyuan Huang, Shenzhen (CN)
Assigned to SHENZHEN BTR NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD., Shenzhen (CN)
Appl. No. 18/687,843
Filed by SHENZHEN BTR NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD., Shenzhen (CN)
PCT Filed Aug. 4, 2023, PCT No. PCT/CN2023/111158
§ 371(c)(1), (2) Date Feb. 29, 2024,
PCT Pub. No. WO2024/131081, PCT Pub. Date Jun. 27, 2024.
Claims priority of application No. 202211635185.4 (CN), filed on Dec. 19, 2022.
Prior Publication US 2024/0274875 A1, Aug. 15, 2024
Int. Cl. H01M 10/0565 (2010.01); C08G 65/22 (2006.01); C08G 65/331 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 10/0565 (2013.01) [C08G 65/22 (2013.01); C08G 65/331 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0082 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A polymer, the polymer comprising a main chain and side chains of the polymer, the side chains containing conjugated cyclic groups and multi-element ring tension cyclic groups, and a molecular form of the polymer being represented by Formula I:

OG Complex Work Unit Chemistry
wherein, R1 consists of the conjugated cyclic group selected from saturated or unsaturated C10-C20 conjugated aromatic groups, and R2 is the multi-element ring tension cyclic group;
n1 and n2 are each selected from natural numbers from 1 to 5; n3 is in a range from 5 to 50;
a, b, c and d are each selected from natural numbers from 0 to 5.