Borophene Electrode Lamination for Fast-Charging Energy Storage
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Solution Overview
Problem
Current energy storage devices, particularly lithium ion batteries, face limitations in performance, durability, and charging speed, necessitating the development of advanced electrode materials for improved energy storage capabilities.
Innovation Solution
An energy storage device utilizing a borophene-based electrode with a substrate and ionic liquid, housed in a protective layer and aluminum casing, with a simplified manufacturing process involving application and lamination of borophene particles and ionic liquid on a microporous substrate, followed by encapsulation and connector attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If lithium ion batteries are used as current energy storage devices, then market leadership and existing performance are maintained, but charging speed, capacity, and durability are limited
Solution Approach 1:
The patent changes the material parameters of the electrode from conventional lithium ion battery materials to borophene-based materials. This parameter change enables significantly faster charging speeds while improving durability, as borophene's unique two-dimensional structure and high conductivity allow for rapid ion transport and enhanced structural stability during charge-discharge cycles.
Solution Approach 2:
The patent employs composite materials by combining borophene particles with conductive additives and binders to create a borophene-based electrode. This composite approach maintains the superior properties of borophene while ensuring mechanical integrity and electrical conductivity, thereby achieving both fast charging and improved durability simultaneously.
2Quantity of substance
If advanced electrode materials are developed to improve energy storage performance, then capacity and charging speed increase, but manufacturing complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-synthesizing borophene particles before electrode fabrication. This allows the complex two-dimensional borophene material to be prepared in advance with controlled morphology and size, simplifying the subsequent electrode manufacturing process. The pre-prepared particles can be directly mixed with other components and coated onto current collectors without requiring complex in-situ synthesis equipment.
Solution Approach 2:
The patent uses conventional battery components such as conductive carbon black, polyvinylidene fluoride binder, and N-methyl-2-pyrrolidone solvent as intermediaries to facilitate the integration of borophene particles into functional electrodes. These intermediary materials bridge the gap between the novel borophene material and conventional battery manufacturing processes, enabling scalable production.
3Productivity
If borophene-based electrodes are implemented, then charging speed and capacity improve significantly, but manufacturing process simplification is needed
Solution Approach 1:
The patent segments the electrode manufacturing process into discrete steps: borophene particle preparation, mixing with conductive additives and binders, slurry formation, and electrode coating. This segmentation allows each step to be optimized independently and enables the use of conventional coating equipment, thereby simplifying manufacturing while achieving fast charging performance.
Solution Approach 2:
The patent follows the conventional electrode manufacturing paradigm by creating a slurry mixture and coating it onto current collectors, copying the established process flow from traditional lithium ion battery production. This approach allows borophene-based electrodes to be manufactured using existing industry infrastructure without requiring entirely new manufacturing methodologies.
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 borophene-based energy storage device achieves high performance with 60% faster charging, 60% higher capacity, and a longer expected lifetime compared to lithium ion batteries, along with reduced weight and extended shelf life.
Implementation Method 1
the borophene layer comprising borophene particles and an ionic liquid
Implementation Method 2
spraying an ionic liquid on the borophene particles on the substrate to form a pre-coat layer
Data Source
AI summary
An energy storage device comprising an electrode having a borophene layer, which includes borophene particles and an ionic liquid, the energy storage device providing high capacity, fast charging, light weight, and long shelf life, and a method of manufacturing the energy storage device.