Fatty Acid Surfactant Synthesis for High-Conductivity Solid Electrolytes
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current solid-state battery cells are costly to produce and have complex manufacturing processes, and they often contain impurities like lithium phosphate and lithium sulfate that reduce ionic conductivity.
Innovation Solution
A process involving mixing solid electrolyte precursors with a fatty acid surfactant in solvents, followed by milling, grinding, or shearing, to form a composite that reduces impurity formation and improves conductivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional solid-state battery manufacturing processes are used, then battery cells can be produced, but production costs are high and manufacturing processes are complex
Solution Approach 1:
The patent changes the chemical composition parameters by introducing a fatty acid surfactant into the solid electrolyte precursor mixture. This parameter change modifies the synthesis process to be simpler while maintaining product quality, directly addressing the contradiction between ease of manufacture and process complexity
Solution Approach 2:
The fatty acid surfactant acts as an intermediary substance that facilitates the synthesis process. It mediates between the precursors and the final electrolyte product, simplifying the manufacturing process while reducing complexity through its surfactant properties
2Ease of manufacture
If conventional solid-state battery manufacturing processes are used, then battery cells can be produced, but production costs are high
Solution Approach 1:
The patent employs a fatty acid surfactant, which is a cost-effective material compared to conventional electrolyte components. This substitution with cheaper materials directly reduces production costs while the surfactant's functionality maintains process efficiency
Solution Approach 2:
By changing the compositional parameters to include fatty acid surfactant, the patent achieves cost reduction through material substitution while simultaneously simplifying the manufacturing process
3Reliability
If conventional solid-state electrolytes are used, then battery cells can operate, but ionic conductivity is reduced due to impurities like lithium phosphate and lithium sulfate
Solution Approach 1:
The patent converts the potential harm of impurity formation into a benefit by using the fatty acid surfactant to prevent impurity generation in the first place. The surfactant's molecular structure interferes with the formation pathways of harmful impurities like lithium phosphate and sulfate, thereby improving ionic conductivity
Solution Approach 2:
The fatty acid surfactant serves as an intermediary that prevents direct harmful interactions between precursors that would lead to impurity formation. It mediates the chemical reactions to favor pure electrolyte product formation over impurity generation
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 process results in solid electrolytes with reduced phosphate and sulfate content, enhancing ionic conductivity and potentially lowering production costs.
Implementation Method 1
mixing one or more solid electrolyte precursors in one or more solvents and a fatty acid, thereby forming a composite including the fatty acid
Implementation Method 2
the mixing may comprise milling, grinding, or shearing
Implementation Method 3
the process may further comprise crystallizing the composite, thereby forming a crystallized electrolyte material
Data Source
AI summary
Described herein are processes for producing solid electrolyte materials. The processes include mixing one or more solid electrolyte precursors to form a composite, where the resulting composite includes a fatty acid.