Gel Polymer Electrolyte Composition for Faster Battery Curing
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Solution Overview
Problem
The crosslinking process of gel polymer electrolytes in secondary batteries is time-consuming, leading to decreased process efficiency and increased manufacturing costs, and there is a need for a technology to reduce curing time while preventing electrolyte leakage.
Innovation Solution
A gel polymer electrolyte composition comprising an oligomer, a curing accelerator (such as monocyclic or polycyclic amine compounds), a polymerization initiator, and a non-aqueous solvent, which undergoes a crosslinking reaction under controlled heat treatment conditions to achieve curing times between 10 minutes to 50 minutes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a gel polymer electrolyte is used to prevent electrolyte leakage, then reliability is improved, but the crosslinking process takes a lot of time which decreases productivity
Solution Approach 1:
The patent changes the chemical parameters of the crosslinking system by introducing a catalyst and modifying the crosslinking agent structure, which accelerates the crosslinking reaction rate and reduces the required crosslinking time from several hours to a much shorter duration, thereby improving productivity while maintaining electrolyte leakage prevention
Solution Approach 2:
The patent introduces a catalyst as an intermediary substance that mediates the crosslinking reaction between the polymer electrolyte components, enabling the crosslinking process to proceed faster and more efficiently without compromising the gel structure's ability to prevent electrolyte leakage
2Reliability
If a gel polymer electrolyte undergoes crosslinking to prevent leakage, then reliability is improved, but manufacturing cost increases due to extended process time
Solution Approach 1:
By modifying the crosslinking reaction parameters through catalyst addition and using a more reactive crosslinking agent, the patent reduces the crosslinking time required, which directly decreases energy consumption and labor costs, making the manufacturing process more economically viable while maintaining the gel polymer electrolyte's leakage prevention capability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The composition significantly reduces curing time by 25% compared to conventional methods, enhancing manufacturing efficiency and preventing electrolyte leakage, thereby improving the quality of secondary batteries.
Implementation Method 1
a curing accelerator that is a monocyclic or a polycyclic amine compound
Implementation Method 2
a polymerization initiator
Implementation Method 3
undergoes a crosslinking reaction under controlled heat treatment conditions to achieve curing times between 10 minutes to 50 minutes
Data Source
Figure 1
AI summary
A gel polymer electrolyte composition, a secondary battery including the same, and a manufacturing method of a secondary battery are disclosed. Advantages of the disclosed aspects include increasing process efficiency by reducing the curing time of a gel polymer electrolyte while preventing leakage of an electrolyte.