Battery Assembly With Particle Insulation for Heat Isolation
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Solution Overview
Problem
Secondary batteries face stability issues due to heat or gas generation, which can affect adjacent cells, leading to heat propagation and potential instability.
Innovation Solution
A battery assembly design incorporating particle-shaped insulating materials with specific hardness and electrical/thermal properties, distributed within the assembly to enhance stability, thermal insulation, and electrical insulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If particle-shaped insulating materials are used to prevent heat propagation, then thermal insulation performance is improved, but the complexity of the battery assembly structure increases
Solution Approach 1:
The patent utilizes particle-shaped insulating materials that create a porous structure between battery cells. These particles fill the gaps and spaces in the battery assembly, forming a thermal barrier network that impedes heat propagation while maintaining the overall structure's simplicity. The porous arrangement of particles provides effective thermal insulation without requiring complex engineered barriers.
2Reliability
If particle-shaped insulating materials with specific hardness are used, then stability and protection against vibration damage are improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent specifies a particular hardness range for the particle-shaped insulating materials to optimize both protective function and manufacturing feasibility. By defining appropriate hardness parameters, the invention ensures that particles are hard enough to resist vibration damage and provide structural stability, while remaining soft enough to be handled and assembled without requiring extreme manufacturing precision. This parameter optimization balances reliability with manufacturability.
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 design improves stability by minimizing heat transfer and electrical leakage, preventing thermal runaway and short circuits, while maintaining energy efficiency and reducing weight.
Implementation Method 1
a plurality of particle-shaped insulating materials accommodated in a second inner space of the case
Implementation Method 2
a plurality of particle-shaped insulating materials accommodated in a second inner space of the case
Data Source
AI summary
Battery assemblies are disclosed. In an embodiment, a battery assembly includes a case, a plurality of battery cells accommodated in a first inner space of the case, and a plurality of particle-shaped insulating materials accommodated in a second inner space of the case.