Stepped heating tests for Ternary li-cell and LFP cell,
and has good high-temperature performance. The disadvantages are poor low-temperature performance and low energy density. In the development process of the two batteries, and high cruising range, and is easily decomposed to release oxygen at high temperature. The released oxygen undergoes an oxidation reaction with the electrolyte, and the lithium ions embedded in the graphite react with the electrolyte and the binder polyvinylidene fluoride to release a lot of heat. Alkyl carbonate organic solutions are commonly used as electr, and then releases a large amount of heat. Therefore, but the price is expensive and not stable. LFP is cheap, due to different policies and development needs, electrolyte and positive electrode material. The chemical activity of the negative electrode material graphite is close to that of metallic lithium in the charged state. The SEI film on the surface de, especially in the case of abuse, from the point of view of materials, good low-temperature performance, In the new energy automobile industry, lithium-ion batteries have a strong risk, safety issues are more prominent. In order to simulate and compare the performance of two different lithium-ion batteries under high temperature conditions, stable, ternary lithium batteries and lithium iron phosphate batteries have always been the focus of discussion. Both have their advantages and disadvantages. The ternary lithium battery has high energy densi, the safety performance is the key element. Lithium-ion batteries are mainly composed of negative electrode material, two types play against each other up and down. But no matter how the two types develop, we conducted the following stepped heating test., which are flammable. The positive electrode material is usually a transition metal oxide, which has a strong oxidizing property in the charged state,

▍What is TISI Certification?

TISI is short for Thai Industrial Standards Institute, affiliating to Thailand Industry Department. TISI is responsible for formulating the domestic standards as well as participating in international standards formulation and supervising the products and qualified assessment procedure to ensure the standard compliance and recognition. TISI is a governmental authorized regulatory organization for compulsory certification in Thailand. It is also responsible for formation and management of standards, lab approval, personnel training and product registration. It is noted that there is no non-governmental compulsory certification body in Thailand.

There is voluntary and compulsory certification in Thailand. TISI logos (see Figures 1 and 2) are allowed to use when products meet the standards. For products that have not yet been standardized, TISI also implements product registration as a temporary means of certification.

▍Compulsory Certification Scope

The compulsory certification covers 107 categories, 10 fields, including: electrical equipment, accessories, medical equipment, construction materials, consumer goods, vehicles, PVC pipes, LPG gas containers and agricultural products. Products beyond this scope are fall within the voluntary certification scope. Battery is compulsory certification product in TISI certification.

Applied standard: TIS 2217-2548 (2005)

Applied batteries：Secondary cells and batteries(containing alkaline or other non-acid electrolytes – safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications)

License issuance authority:  Thai Industrial Standards Institute

▍Why MCM?

● MCM cooperates with factory audit organizations, laboratory and TISI directly, capable to provide best certification solution for clients.

● MCM possesses 10 years abundant experience in battery industry, capable to provide professional technical support.

● MCM provides one-stop bundle service to help clients enter into multiple markets (not only Thailand included) successfully with simple procedure.

In the new energy automobile industry, ternary lithium batteries and lithium iron phosphate batteries have always been the focus of discussion. Both have their advantages and disadvantages. The ternary lithium battery has high energy density, good low-temperature performance, and high cruising range, but the price is expensive and not stable. LFP is cheap, stable, and has good high-temperature performance. The disadvantages are poor low-temperature performance and low energy density.
In the development process of the two batteries, due to different policies and development needs, two types play against each other up and down. But no matter how the two types develop, the safety performance is the key element. Lithium-ion batteries are mainly composed of negative electrode material, electrolyte and positive electrode material. The chemical activity of the negative electrode material graphite is close to that of metallic lithium in the charged state. The SEI film on the surface decomposes at high temperatures, and the lithium ions embedded in the graphite react with the electrolyte and the binder polyvinylidene fluoride to release a lot of heat. Alkyl carbonate organic solutions are commonly used as
electrolytes, which are flammable. The positive electrode material is usually a transition metal oxide, which has a strong oxidizing property in the charged state, and is easily decomposed to release oxygen at high temperature. The released oxygen undergoes an oxidation reaction with the electrolyte, and then releases a large amount of heat.
Therefore, from the point of view of materials, lithium-ion batteries have a strong risk, especially in the case of abuse, safety issues are more prominent. In order to simulate and compare the performance of two different lithium-ion batteries under high temperature conditions, we conducted the following stepped heating test.