money in the bank, page-7

ricee007,

Google the following:
why do lithium ion batteries require nickel and cobalt

Have a look at this link and also go to page 2 of the link.

http://electronics.howstuffworks.com/lithium-ion-battery.htm

AND the following link

http://video.google.com.au/videosearch?hl=en&rlz=1G1GGLQ_ENAU329&q=what+are+lithium+ion+batteries+made+of&um=1&ie=UTF-8&ei=dZFWS92YLI7q7API9bG4DQ&sa=X&oi=video_result_group&ct=title&resnum=4&ved=0CCQQqwQwAw#