Monday, August 10, 2015

The Brain Behind Lithium Ion Batteries used in Portable Phones, PCs and I-pads



Rachid Yazami












 

A native of Fez, Morocco,  Rachid Yazami is a scientist best known for his research on lithium ion batteries and on Fluoride Ion Batteries. He is the inventor of the graphite anode (negative pole) of lithium ion batteries. Dr. Yazami joined the graduate school of electrochemistry (ENSEEG) of the Grenoble National Institute of Technology (INPG), where he obtained a MS Degree (Engineer) in 1978. 
           In 1980 Yazami was the first to discover the reversible intercalation of lithium into graphite in an electrochemical cell using a polymer electrolyte. Eventually this discovery led to the lithium-graphite anode now used in commercial lithium ion batteries, an over US$20B value market
He then engaged in a research project in Carbonaceous Materials for Lithium storage in batteries at a wharis now known as LEPMI’ Lab where he earned a Ph.D. in 1985.
In the same year he joined CNRS as a research scholar and was promoted to ‘Director of Research’ in 1988. 

Yazami working in a battery lab

       












           In 2000, Yazami came to CALTECH under a cooperative exchange program with CNRS and co-founded a joint CNRS-CALTECH international laboratory on ‘Materials for Electrochemical Energetic’ (LIA-ME2) with Prof. Brent Fultz with the Department of Material Science.
In 2006 Yazami was appointed ‘Visiting Associate’ in Chemistry and Chemical Engineering’ in collaboration with Prof. Robert Grubbs. Yazami and Grubbs are the co-founders of CFx Battery, Inc. a CALTECH – CNRS start-up company on primary and rechargeable batteries.
        Yazami is the co-author involved in over 200 published papers and the co-inventor of over 50 patents related to lithium primary and rechargeable batteries and on new battery chemistry based on fluoride ion. He served as the President of the International Battery Association (IBA).

References:  http://www.its.caltech.edu/~battery/RBP.html
                    https://en.wikipedia.org/wiki/Rachid_Yazami

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