In 1991, Sony released the first commercial lithium-ion battery. Subsequently, lithium-ion batteries revolutionized the face of consumer electronics.
In 1996, Padhi and Goodenough discovered that phosphates with olivine structure, such as lithium iron phosphate (LiFePO4), are superior to conventional cathode materials and have become the mainstream cathode materials.
With the widespread use of digital products such as mobile phones, notebook computers, etc., lithium-ion batteries are widely used in such products with excellent performance, and are gradually being developed into other product applications.
In 1998, Tianjin Power Research Institute began commercial production of lithium-ion batteries.