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based ZincAir, Inc. ZAI) has obtained exclusive rights from LLNL for the mechanically rechargeable zincair fuel cell (US Patent 5,434,020) invented by John Cooper, a retired LLNL chemist, who is on the ZAI technical Board of Advisors. Refueling is achieved by replacing the spent electrolyte and adding more zinc pellets.
Researchers at Tsinghua University have developed a high-power-density zinc-air fuel cell (ZAFC) stack using an inexpensive manganese dioxide (MnO 2 ) catalyst with potassium hydroxide (KOH) electrolyte. Moreover, zinc has other merits, such as, abundant resources, lowcost, low toxicity, easy storage and safe handling.
University of Sydney team advances rechargeable zinc-air batteries with bimetallic oxide–graphene hybrid electrocatalyst. Zinc-air batteries are powered by zinc metal and oxygen from the air. In contrast, our method produces a family of new high-performance and low-cost catalysts.
ARPA-E’s new program, Robust Affordable Next Generation Energy Storage Systems (RANGE) ( earlier post ), aims to accelerate widespread EV adoption by dramatically improving driving range and reliability, and by providing low-cost, low-carbon alternatives to today’s vehicles. Dendrite Free Zinc?Air Air Battery.
Photo-electrochemically rechargeable zinc-air batteries. The zinc-air battery is a promising technology that has high energy density but limited power density. The research team will develop a photo-electrochemical battery with a stable zinc electrode capable of generating electricity using sunlight and air.
Bettergy plans to improve and demonstrate a low-costzincair-flow battery that could be used for grid storage applications, including storing renewable electricity. The company is working on a low-cost, easy-to-install hybrid-electric engine for buses and trucks using ultracapacitors manufactured by Ioxus in Oneonta.
For the longer term, (2017-2027) while “beyond Li-ion” battery chemistries such as lithium-sulfur, magnesium-ion, zinc-air, and lithium-air, offer the potential of significantly greater energy densities, breakthrough innovation will be required for these new battery technologies to enter the PEV market, according to DOE.
The critical barrier to wider deployment of electric vehicles is the high cost and low energy of today’s batteries. This ARPA-E program seeks to develop a new generation of ultra-high energy density, low-cost battery technologies for long range plug-in hybrid and all-electric vehicles. ReVolt Technology LLC. 4,025,373.
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