Haven't we had battery chemistries change in less noticable ways over maybe 50 years? Mostly lead-acid batteries (both wet cell and dry cell), then alkaline ba

Haven't we had battery chemistries change in less noticable ways over maybe 50 years? Mostly lead-acid batteries (both wet cell and dry cell), then alkaline batteries, nicad, nimh, lithium ion batteries, lithium polymer, lifep04, and more