In the realm of battery technology, thermal management plays a critical role in ensuring the safety and efficient operation of energy storage systems. To address the pressing need for improved thermal management solutions, a novel material has been prepared - an anisotropic thermal material with unique properties. This revolutionary material offers thermal insulation in the Z direction while exhibiting high thermal conductivity in the XY direction, presenting a promising alternative to traditional aerogel-based solutions.
The design idea addresses the thermal runaway issue prevalent in battery systems. Thermal runaway, the uncontrolled escalation of temperature within battery cells, poses significant safety risks and compromises the performance and lifespan of energy storage devices. The conventional use of aerogel in battery packing processes to mitigate thermal runaway is suboptimal due to its limited ability to control heat propagation. The anisotropic thermal material (Z direction’s thermal insulation) offers a solution by effectively blocking heat transfer from cell to cell, preventing thermal runaway propagation, minimizing the risk of catastrophic failures, and increasing the reliability of energy storage devices. . At the same time, XY direction’s thermal conductivity quickly remove the heat to the coolant, which not only decrease the temperature of the micro-environment but also decrease the temperature gradient in a cell, then the overall system safety, performance as well as cell’s life could be greatly improved. This leads to improved battery performance, extended lifespan, and reduced thermal stress on the cells, ultimately resulting in enhanced energy storage system efficiency and safety.
Novelty and Improvement:
The anisotropic thermal material represents a significant improvement over existing solutions in the marketplace. Unlike traditional aerogel-based materials, which thermal conductivity is Isotropic, it only can mitigate the heat transfer among cells, while it also promotes the heat accumulate in the pack, which will speed up the age of cells. This novel material provides an innovative approach to thermal management. Its unique anisotropic properties, combining insulation and thermal conductivity, enable precise heat control within battery systems. This advancement not only enhances safety but also improves the overall efficiency and longevity of energy storage devices.
Application Areas & Market Potential
The application potential of this design idea is vast, encompassing various industries reliant on battery technology. Electric vehicles (EVs), including cars, buses, and trucks, can greatly benefit from the enhanced thermal management provided by the anisotropic thermal material. Additionally, the aviation sector, where thermal management is crucial for both safety and performance, can leverage this innovation in aircraft battery systems. Furthermore, energy storage solutions for renewable energy integration and portable electronic devices could also adopt this technology to address thermal management challenges.
The manufacturing process for the anisotropic thermal material involves the directed assembly of graphene oxide, enabling the creation of a functional material with tailored properties. The process can be outlined as follows: Graphite Oxidation, Washing and Purification, Gel Regulation, Assembly and Paper-making.