Borophene Electrode Structure for Fast-Charging Energy Storage
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Solution Overview
Problem
The existing lithium ion batteries face challenges in achieving high performance in terms of capacity, fast charging, and durability, necessitating the development of new electrode materials with improved electrical properties.
Innovation Solution
The use of borophene-based electrodes, combined with a substrate and ionic liquid, and a simplified manufacturing process involving borophene particles and protective layers, results in a high-performance energy storage device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If lithium ion batteries are used as conventional energy storage devices, then market leadership and existing technology are maintained, but capacity, charging speed, and durability performance are limited
Solution Approach 1:
The patent changes the material parameter from conventional lithium ion battery electrodes to borophene-based electrodes, which fundamentally alters the electrical and capacity properties of the energy storage device, enabling 60% higher capacity and faster charging speeds
Solution Approach 2:
The patent uses composite materials by combining borophene particles with conductive additives and binder materials to create a novel electrode structure that leverages the high conductivity of borophene while maintaining mechanical integrity and manufacturability
2Productivity
If new electrode materials like borophene are developed to improve capacity and charging speed, then energy storage performance is enhanced, but manufacturing process complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-mixing borophene particles with conductive additives and binder materials before electrode fabrication, which simplifies the manufacturing process by preparing the active material in advance and enabling direct application to current collectors without complex in-situ synthesis steps
Solution Approach 2:
The patent uses binder materials as intermediaries to connect borophene particles to the current collector and to each other, facilitating electron transport and mechanical adhesion while simplifying the overall electrode structure and manufacturing process
3Quantity of substance
If borophene particles are used as electrode material, then capacity and conductivity are improved, but particle size control and uniformity become challenging
Solution Approach 1:
The patent applies local quality by optimizing the particle size distribution of borophene particles at different locations within the electrode, ensuring that smaller particles are distributed in regions requiring higher surface area for capacity while larger particles provide structural stability, thereby achieving uniform performance across the entire electrode
Solution Approach 2:
The patent changes the particle size parameter of borophene to an optimized range that balances capacity (which increases with smaller particles) and manufacturing precision (which improves with larger particles), achieving both high energy density and uniform electrode structure
4Duration of action of stationary object
If protective layers are added to the electrode assembly, then durability and lifespan are extended, but device weight and complexity increase
Solution Approach 1:
The patent uses thin film protective layers that provide necessary protection for durability and lifespan extension while minimizing weight addition, achieving 70-80 year lifespan with 45,000-50,000 rechargeable cycles while maintaining 60% weight reduction compared to conventional batteries
Solution Approach 2:
The protective layers serve multiple functions simultaneously: protecting the borophene particles from degradation, providing mechanical support, preventing short circuits, and maintaining structural integrity during cycling, thereby extending lifespan without proportionally increasing weight or complexity
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 60% higher capacity, 60% faster charging, and a 70-80 year lifespan with 45,000-50,000 rechargeable cycles, while being 60% lighter than conventional batteries.
Implementation Method 1
spraying an ionic liquid on the borophene particles on the substrate to form a pre-coat layer
Data Source
Figure 1
Figure 2A
Figure 2B
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.