Phase Change Materials Are Sed In The Field Of Batteries (3)

Challenges and future development of phase-changing materials：

--Material stability and cycle life

In the application of battery thermal management, the stability and cycle life of PCM are the key considerations. The stability problem mainly involves the possible performance degradation of PCM in the long-term cycle charging and discharging process, including the reduction of phase change latent heat and the change of thermal conductivity.

1.Stability problem

• After multiple phase change cycles, some PCMs may have the degradation of thermophysical properties, such as the reduction of phase change latent heat, which affects the thermal management effect.

2.Cycle life

• The ideal PCM should have a long cycle life and maintain stable thermal physical parameters to ensure long-term effective thermal management.

3.Case study

• Research shows that the stability and cycle life of PCM can be significantly improved by adding specific additives or adopting composite structure design.

--Method of improving thermal conductivity

Because the thermal conductivity of most PCMs is low, it limits the efficiency of heat transfer. Improving the thermal conductivity of PCM is the focus of current research.

1.Nanofillers

• By introducing nano-scale fillers, such as carbon nanotubes, graphene, etc., the thermal conductivity of PCM can be significantly improved.

2.Porous media

• PCM is combined with porous media such as metal foam or ceramics, and its high thermal conductivity is used to improve the overall heat conduction efficiency.

3.Composite materials

• Develop a new type of composite PCM and combine the advantages of different materials to improve thermal conductivity and thermal management performance.

4.Experimental data

• The experimental results show that the thermal conductivity of PCM can be increased by about 30% to 50% through the above method.

--Research and development of new phase change materials

With the development of science and technology, the research and development of new phase-changing materials has become a new trend in the field of thermal management.

1.Bio-based PCM

• The use of bio-based materials such as fatty acids and vegetable oils as PCM has attracted attention for its renewable and environmental friendliness.

2.High entalpy PCM

• Develop PCM with higher phase change latent heat to reduce the amount of materials required and reduce the overall weight of the system.

3.Intelligent response material

• Study the intelligent PCM that can automatically adjust the phase change temperature in response to temperature changes to meet the thermal management needs under different working conditions.

4.Future prospects

• The research and development of the new PCM will focus on improving thermal physical parameters, enhancing environmental adaptability and achieving intelligent control to meet the needs of future battery systems for efficient thermal management.

Company Background:

• Sichuan Aishipier New Material Technology Co., Ltd. (referred to as "Aishipeier"), formerly known as Chengdu Xinhai Huicai Biotechnology Co., Ltd. Its founder was involved in the research and development of cold and hot materials in 1997. The product temperature ranged from -70℃, -50℃, -40℃, -25℃, -18℃, -12℃, -5℃, 0℃, 5℃, 10℃, 18℃, 20℃, 28℃, 35℃, 50℃, 60℃, 70℃, 90℃, 110℃, 180℃.
• In the early years, the products were widely used in biological products, reagents, microorganisms, food, industry, fisheries, animal husbandry The cold preservation, cold storage and cold chain transportation industry of precision instruments are synchronized with the research and development of cold storage technology, cold chain verification, scheme formulation, temperature detection, etc.
• In 2013, the company extended its product application to the repeated use of energy storage materials and phase change materials; the product expanded to new energy, energy storage batteries, etc. in the original application field. In this link, it is used as battery viscosity, thickener, curing agent, adhesive, ultra-high adhesive, suspension agent, etc. After more than 10 years of technology precipitation.
• The company has a strict quality ISO9001 management system. The products have passed the testing: Shanghai Chemical Research Institute test report, national dangerous chemical test report, Swiss SGS content non-toxic safety test, REACH test report, ROHS test report, etc. With the joint efforts of all employees of the company, the products have been successfully sold to the United States, Germany, Ireland, Japan, South Korea, Russia, Saudi Arabia and other countries and regions.

Sichuan Ashpier New Material Technology Co., Ltd.

Tel: 028-67933699 84906988

Email: xhhc@xhhc.net

Website: http://www.xhhc.cn

Hotline: 400-6463-400