KR Sridhar
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8/2/2019 KR Sridhar
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KR Sridhar, Ph.D Principal Co-Founder and Chief Executive Officer
Prior to founding Bloom Energy, Dr. KR Sridhar was Director of the Space Technologies
Laboratory (STL) at the University of Arizona where he was also a professor of Aerospace
and Mechanical Engineering. Under his leadership, STL won several nationally competitive
contracts to conduct research and development for Mars exploration and flight experiments toMars. KR has served as an advisor to NASA and has led major consortia of industry,
academia, and national labs. His work for the NASA Mars program to convert Martian
atmospheric gases to oxygen for propulsion and life support was recognized by Fortune
Magazine, where he was cited as "one of the top five futurists inventing tomorrow, today."
As one of the early pioneers in green tech, KR also serves as a strategic limited partner at
Kleiner Perkins Caufield & Byers and as a special advisor to New Enterprise Associates. He
has also served on many technical committees, panels and advisory boards and has several
publications and patents. KR received his bachelor's degree in Mechanical Engineering with
Honors from the University of Madras (now called NIT, Trichy), India, as well as his
master's degree in Nuclear Engineering and Ph.D in Mechanical Engineering from the
University of Illinois, Urbana-Champaign.
Bloom Energy traces its roots to work performed by Dr. K.R. Sridhar, Bloom founder and
Chief Executive Officer, in connection with creating a technology to convert Martian
atmospheric gases to oxygen for propulsion and life support. Dr. Sridhar and his team built a
fuel cell capable of producing air and fuel from electricity generated by a solar panel.
They soon realized that their technology could have an even greater impact here on Earth.
In 2001, when their project ended, the team decided to continue their research and start a
company. Originally called Ion America, Bloom Energy, was founded with the mission to
make clean, reliable energy affordable for everyone on earth.
In 2002, John Doerr, and Kleiner Perkins became the first investors in the company. Kleiner
Perkins was legendary for its early backing of other industry changing companies, like
Google, Amazon.com, Netscape, and Genentech, but Bloom was its first clean tech
investment. In fact, at that time, clean tech was not even really a word.
With financing in place, the team packed three U-hauls and headed to NASA Ames Research
Center in Silicon Valley to set up shop. Over the next few years, the technology quickly
developed from concept, to prototype, to product, as the major technological challenges were
solved and the systems became more powerful, more efficient, more reliable, and moreeconomical.
In early 2006 Bloom shipped its first 5kW field trial unit to the University of Tennessee,
Chattanooga. After two years of successful field trials in Tennessee, California, and Alaska,
to validate the technology, the first commercial (100kW) products were shipped to Google in
July 2008.
Since that time Bloom's Energy Servers have helped our customers generate millions of
kWhs of electricity and eliminate millions of pounds of CO2 from the environment.
From humble beginnings on Mars, Bloom Energy is now changing the Earth for the better.
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A fuel cell is like a battery that always runs. It consists of three parts: an electrolyte, an
anode, and a cathode.
For a solid oxide fuel cell, the electrolyte is a solid ceramic material. The anode and cathode
are made from special inks that coat the electrolyte. Unlike other types of fuel cells, no
precious metals, corrosive acids, or molten materials are required.
Next, an electrochemical reaction converts fuel and air into electricity without combustion.
A solid oxide fuel cell is a high temperature fuel cell. At high temperature, warmed air enters
the cathode side of the fuel cell and steam mixes with fuel to produce reformed fuel which
enters on the anode side.
Next, the chemical reaction begins in the fuel cell. As the reformed fuel crosses the anode, it
attracts oxygen ions from the cathode. The oxygen ions combine with the reformed fuel to
produce electricity, water, and small amounts of carbon dioxide.
The water gets recycled to produce the steam needed to reform the fuel. The process also
generates the heat required by the fuel cell.
As long as there's fuel, air, and heat, the process continues producing clean, reliable,
affordable energy.