Lithium-ion batteries have the tendency to lose capacity over time, this problem is called "aging of the battery". Unfortunately, it is irreversible and unavoidable.
Lithium battery pioneering work began in 1912 under G.N. Lewis, but the first non-rechargeable lithium batteries were not commercially available until the early 1970s.
When a battery of lithium ion fails, things can go very far to the south. When you open your phone to find a battery that is swollen twice its size, careful care and handling are crucial both to your health and to others ' safety.