Leo Motors improves zinc air fuel cell
07 July 2011
Leo Motors, Inc. has further developed its Zinc Air Fuel Cell (ZAFC) Generator with additional innovations which it believes can enhance the efficiency of and reduce the size and weight of the ZAFC generator. Leo had displayed two electric trucks equipped with the ZAFC system as a range-extender at the EV Korea 2010 Expo. (Earlier post.)
The refuelable ZAFC oxidizes zinc pellets, generating the power to recharge the Li-ion polymer battery pack. Leo has developed a fuel distribution system for the even distribution of the zinc pellets into the stack. Leo also developed a mechanism to halt power generation when the battery is fully charged, and for collection of the zinc oxide sludge from the stack.
Leo has developed a new type of zinc ball by adding aluminum and magnesium. Leo believes the new balls react to the air and electrolyte better than existing balls, and should generate electricity more efficiently and effectively.
Leo also developed an engineering plastic which reduces the size and weight of the generator, and a new circulator. The circulator enhances the contact between zinc balls and electrolyte. Electrolyte density sensor and electrolyte injector make the new ZAFC Generator use less electrolyte, which makes up more than 60% of the generator’s size and weight.
Leo has applied for patents for the new ZAFC technologies.
If they really have got a way to shut off the Zinc Air stack, wouldn't it make more sense to go with Capacitors, and use the stack as the primary?
Also, what is the process for renewing the sludge? What is the cost?
Posted by: Eletruk | 07 July 2011 at 08:47 PM