US 12,271,090 B2
Functional and transparent gel electrolyte system and fast switching electrochromic/electrochemical devices thereof
Biswapriya Deb, Pappanamcode Thiruvananthapuram (IN); Ajayaghosh Ayyappanpillai, Pappanamcode Thiruvananthapuram (IN); Ranjana Venugopal, Pappanamcode Thiruvananthapuram (IN); Gayathri Prabhu Thulichal Ganesh Prabhu, Pappanamcode Thiruvananthapuram (IN); and Sreejith Shankar Pooppanal, Pappanamcode Thiruvananthapuram (IN)
Assigned to COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH AN INDIAN REGISTERED BODY INCORPORATED UNDER THE REGN. OF SOC. ACT (ACT XXI OF 1860), New Delhi (IN)
Appl. No. 17/595,970
Filed by COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH AN INDIAN REGISTERED BODY INCORPORATED UNDER THE REGN. OF SOC. ACT (ACT XXI OF 1860), New Delhi (IN)
PCT Filed Feb. 15, 2021, PCT No. PCT/IN2021/050143
§ 371(c)(1), (2) Date Nov. 30, 2021,
PCT Pub. No. WO2021/161348, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 202011006474 (IN), filed on Feb. 14, 2020.
Prior Publication US 2022/0244607 A1, Aug. 4, 2022
Int. Cl. G02F 1/1523 (2019.01); G02F 1/15 (2019.01); G02F 1/1506 (2019.01); G02F 1/1516 (2019.01); G02F 1/1524 (2019.01); G02F 1/153 (2006.01); G02F 1/155 (2006.01)
CPC G02F 1/1525 (2013.01) [G02F 1/1506 (2013.01); G02F 1/1516 (2019.01); G02F 1/1524 (2019.01); G02F 1/1533 (2013.01); G02F 1/155 (2013.01); G02F 2001/164 (2019.01)] 10 Claims
 
1. A transparent gel electrolyte comprising:
(i) a polymeric gelling agent;
(ii) a solvent;
(iii) an additive and;
(iv) an ionic conductor;
wherein
the weight composition ratios of solvent, polymeric gelling agent, additive and ionic conductor is in the range 20:2:1:2 to 2000:200:1:20;
the solvent is selected from the group consisting of water, a mixture of water and alcohol (R—OH), and water and DMSO; wherein R is C1-12 alkyl;
the molecular weight of the polymeric gelling agent is in the range of 89,000-98,000;
the ionic conductor is selected from a salt of lithium or ammonium cations; and
the additive is molecular iodine.