1991. Sony. Rechargeable lithium-ion batteries for commercial production
In 1992 Karl Kordesch, Josef Gsellmann and Klaus Tomantschger made alkaline rechargeable battery patents
1992 Battery Technologies, Inc. production of alkaline rechargeable batteries
1995 of nickel-hydrogen batteries for commercial production beginning to take shape
1999 rechargeable lithium polymer battery commercial production
In 2000, the commercial production of lithium-ion battery
After 2000
Fuel cells, solar energy has become the world's attention a new development focus