Discover what causes Li-ion to age and what the battery user can do to prolong its life. Battery research is focusing on lithium chemistries so much that one could imagine that the battery future lies solely in lithium.
https://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
https://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries