Thursday, March 3, 2011

Lithium-Ion Battery Industry - Solving Protection Concerns

You'll find many aspects to Li-ion battery security throughout its layout processes, including secure battery structure, risk-free raw supplies, protective functions and security certifications. When interviewed by China Electronics News, Mr Su Jinran, deputy chief engineer of Tianjin Lishen Battery Co Ltd, mentioned that product security began in item pattern, as a result selecting the right electrode components, separators and electrolytes are the very first priority for safe battery style. For battery anode materials, ternary resources, manganese lithium and lithium iron phosphate, which have been widely used in battery pattern and yielded satisfactory performance, are additional secure than conventional lithium cobaltate and nickel lithium.

Su said that at present, the R&D and manufacturing of anode, cathode and electrolyte components have established sufficient scales in China, basically capable of satisfying the style and manufacturing requirements of Li-ion batteries such as Hp Pavilion dv9000 battery(Hp dv9000 battery), Hp EV087AA battery, Hp EX942AA battery, Hp Pavilion ZT3000 battery, Hp 337607-001 battery, Hp 337607-003 battery, Hp 398876-001 battery, Hp PB992A battery, Hp PB994A battery, Hp PB991A battery. Furthermore, the research on some safe coating supplies has started to be commercialized, providing a new aspect for improving Li-ion battery protection, but China still needs to invest far more and follow up on R&D and applications in this area.

An executive from the mobile energy business of Sanyo Electric Co., Ltd in China commented that when it comes to security of Li-ion battery, all parts and materials utilized for making the battery play important roles. They are consequently trying to put together parts and materials to ensure its safety as a whole. Furthermore, in order to utilize parts and components, it is important to employ advanced industrial production technologies and quality control technologies when thinking about security improvement. "To further ensure Li-ion battery safety, we need to jointly consider batteries and the electronic equipment that use them. Meanwhile, the issue of battery security has to be addressed by electronic equipment manufacturers and battery manufacturers together." said the executive.

Innovation-based standard setting

Due to the complexity in Li-ion battery protection mechanism, especially the impact on security after re-using the batteries, the process of understanding Li-ion battery protection and setting its standards should be gradual and progressive. And the development and application of external control techniques should also be considered. Su suggested that as setting Li-ion battery protection standards is a highly technical job, both standard setting professionals from battery standardisation bodies and technical specialists from the battery industry, users and electronic control areas should participate in the process, including experimental verification works.

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