Low-Purity Electroplating for High-Purity Lithium Oxides
Here’s PatSnap Eureka !
Summary
Problems
Current lithium-ion battery manufacturing methods require high-purity starting materials and energy-intensive processes, leading to high production costs and environmental concerns, while conventional techniques struggle with using low-purity lithium and transition metal precursors due to stability issues and side reactions during high-temperature heat treatment.
Innovation solutions
A novel electroplating method using a non-aqueous molten salt eutectic bath with low-purity lithium and transition metal sources, such as LiCl and Li2SO4, to synthesize high-purity lithiated transition metal oxides at lower temperatures, eliminating the need for toxic solvents and extensive purification processes.
TRIZ Analysis
Specific contradictions:
General conflict description:
Principle concept:
If conventional high-temperature synthesis methods are used, then high-purity products can be obtained, but production costs increase and energy consumption increases
Why choose this principle:
The patent changes the temperature parameter from conventional high-temperature (800-1100°C) synthesis to low-temperature electrochemical synthesis (below melting point of electrolyte), fundamentally altering the energy input mode and achieving high-purity products with significantly reduced energy consumption
Principle concept:
If conventional high-temperature synthesis methods are used, then high-purity products can be obtained, but production costs increase and energy consumption increases
Why choose this principle:
The patent replaces thermal energy-driven chemical reactions with electrochemical reactions driven by electrical energy, substituting a thermal-mechanical system with an electrical-chemical system that operates at lower temperatures while maintaining product purity
Application Domain
Data Source
AI summary:
A novel electroplating method using a non-aqueous molten salt eutectic bath with low-purity lithium and transition metal sources, such as LiCl and Li2SO4, to synthesize high-purity lithiated transition metal oxides at lower temperatures, eliminating the need for toxic solvents and extensive purification processes.
Abstract
A method for electroplating (or electrodeposition) a lithiated transition metal oxide composition using low purity starting precursors. The method includes electrodepositing the electrochemically active material onto an electrode in an electrodeposition bath containing a non-aqueous electrolyte. The lithiated metal oxide can be used for various applications such as electrochemical energy storage devices including high power and high-energy lithium-ion batteries.