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Lithium battery development process

Time:Feb 01, 2023 Views:581


In 1970, the M.S.Whittingham of Daikeson used titanium titanium sulfide as a positive electrode material and metal lithium as a negative electrode material to make the first lithium battery.

In 1980, J. Goodnough found that lithium cobaltate could be used as a positive electrode material for lithium ion batteries.

In 1982, R.R.Agarwal and J.R.Selman, R.R.Agarwal and J.R.Selman, the University of Institute of Technology, the University of Illinois Institute of Tech, found that the process was fast and reversed. At the same time, the lithium batteries made of metal lithium have attracted much attention. Therefore, people try to use lithium ion to embed the characteristics of graphite to make charging batteries. The first available lithium -ion graphite electrode was successfully triald by Bell Lab.

In 1983, M.Thackey, J.Goodenough and others discovered that manganese spikelite was an excellent positive electrode material, which had low -cost, stable and excellent conductivity and lithium -conducting performance. Its decomposition temperature is high, and the oxidation is much lower than lithium cobaltate. Even if short -circuit and over -charging occur, the risk of combustion and explosion can be avoided.

In 1989, A.Manthiram and J.GOODENUGH found that the positive electrode of the adoption of agglomerate at ions will generate higher voltage.

In 1991, Sony released the first commercial lithium ion battery. Subsequently, lithium -ion batteries innovated the appearance of consumer electronics.

In 1996, Padhi and Goodnub found that phosphate with olive structures, such as lifpo4 (LIFEPO4), is more superior than traditional positive poles, so it has become the current mainstream positive electrode material.

With the widespread use of digital products such as mobile phones, laptops and other products, lithium -ion batteries are widely used in such products with excellent performance, and are gradually developing into other products applications.


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