Li-ion Low Cost Maintenance NiMH 
Green Car Congress
MARCH 10, 2011
Compared to the current lead-acid standard, the PowerGenix-PSI solution is about 70% lighter, with a much longer service life and requires no maintenance. NiZn batteries are also recyclable and RoHS compliant, with no toxic heavy metals, providing an environmentally friendly alternative to lead-acid and other battery chemistries.
Green Car Congress
FEBRUARY 19, 2009
CPI) shortly after GM selected CPI and its parent LG Chem as the provider for the Li-ion batteries for the Extended Range Electric Vehicle (E-REV) Chevy Volt. (GM billion, and spends $60 million annually on Li-ion battery research and development. LG Chem provides the Li-ion battery system for Hyundai’s Blue Gen System.
Tony Karrer Delicious EVdriven
APRIL 16, 2009
There are companies that are reinventing the lead-acid battery to make it more competitive with lithium-ion and nickel metal hydride in terms of storage capacity versus weight, durability, and cold weather performance. Many of the first Prius hybrids that were released are still running strong on their NiMH batteries after 100,000+ miles.
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