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September 14, 2023 By Electrosynthesis

Optimizing Battery Performance

Optimizing Battery Performance

Electrosynthesis Company has been developing and supporting the commercialization of redox flow battery technologies for more than 30 years. One of our key developmental tools is to test single cell batteries (as shown in photo) leading to cell stack testing at scales ranging from 10 cm2 (laboratory) to 0.7 m2 (commercial). The results of such testing help us screen and validate battery components, design-based performance, and stability.

Battery cells comprise various materials assembled in layers including bipolar/flow field plates, electrodes, gaskets, and membranes. Each component has its own role to make the battery operational and each will contribute to the internal cell resistance. A high performing battery will require the cell resistance to be as small as possible!

Our first step to reduce the cell resistance is to understand the composition of it. One of our skills is to diagnose the battery cell in-situ and identify the factor(s) limiting the battery performance using electrochemical impedance spectroscopy (EIS). Understanding the dominating factor(s), will facilitate how to improve the battery performance.

For the full article click Optimizing Battery Performance

 

Filed Under: Current News

August 14, 2023 By Electrosynthesis

Exploring the Reach of Organic Electrochemistry

by Jonathan Kennedy-Ellis

Organic electrochemistry continues to enjoy a renaissance as more groups investigate its ability to perform selective transformations without the use of stoichiometric chemical oxidants, metal catalysts, or high energy precursors. Since our previous review by Matthew Hartle, research groups have prevailed to further expand the organic electrochemistry toolkit.1 Furthermore, there has been renewed interest by major industry players who see electrochemistry’s potential to use renewable electricity sources as an increasingly more economical pathway to essential products. The gap between academia and industry continues as while new processes develop in lab-based environments, they often scale poorly due to low current densities, faradic efficiencies, and the use of hazardous solvents. Companies such as the Electrosynthesis Company are uniquely positioned to help bridge that gap thanks to their deep understanding of both research lab, and industrial plant processes.

Full Article: Exploring the Reach of Organic Electrochemistry

Filed Under: Watts New Tagged With: Organic electrochemistry

March 2, 2020 By Electrosynthesis

Organic electrosynthesis amps up the potential for synthetic innovation, while technological advances decrease the resistance for entry into this electrifying field

By Matthew Hartle, Ph.D.

Abstract

Organic electrochemistry is an area that is receiving more attention as chemists face pressures to synthesize more complex molecular targets in a more efficient fashion. The pressure comes from many corners including a desire to develop processes that are greener and more sustainable while producing significantly fewer toxic wastes and a reduction in manufacturing costs. It helps that many electrochemical processes are safer to operate and can be inherently linked to renewable energies. While innovations in beaker-scale electrolysis1 have opened the field to the typical organic bench chemist, a technology gap exists for scaling the reactions to the production level.2 Here we review several recent organic transformations that could either scale to larger flow-cell type systems or require further optimization in parallel with scale-up, as examples where the technology gap could be bridged. The Electrosynthesis Company is well-positioned to bridge the gap that exists between the bench and commercialization.

Read Full Article Here:  Electro-organic Synthesis

Filed Under: Watts New Tagged With: Organic electrosynthesis

January 4, 2016 By Electrosynthesis

Redox Flow Batteries

Why Grid Scale Energy Storage

by Che-Nan (Josh ) Sun 

An Electrical grid equipped with energy storage system allows companies to manage and deploy the electrical energy in a much more efficient and flexible way. Key features such as peak shaving, frequency regulation and time shifting can be realized via such systems to enhance power quality and reliability. Moreover, a grid-scale energy storage system is able to serve as a buffer between the electric grid and an ever increasing demand for renewable energy generation such as solar and wind. These systems  smooth out the climate-dependent intermittency and allow the harvested energy to be distributed as needed. It has long been a global desire to increase renewable energy penetration in order to reduce the electricity sector’s carbon footprint as well as the fossil fuel consumption.

Read Full Article Here

Filed Under: Watts New

September 2, 2015 By Electrosynthesis

Electrochemical Salt Splitting

by David Genders

Salt splitting is a relatively new technology dependent on the availability of modern membranes. Its development has usually been driven by one of two major factors, both environmentally based. The first is the desire to produce caustic soda without the co-production of chlorine, and the second is the increased cost of disposing of heavily laden salt solutions.

Caustic is in Demand

Caustic soda is produced in the USA at a rate of 14 million tons per year, almost entirely by the electrolysis of brine. In this process chlorine is produced at the anode and caustic soda at the cathode in stoichiometric quantities. There is a growing awareness of the need for new processes for the manufacture of high purity sodium hydroxide that do not lead to co-production of chlorine. This requirement exists because the chlorine and sodium hydroxide markets are rarely in balance.

Despite the high demand for chlorine in the last two years, it is still expected that environmental pressures on chlorine will lead to an increased demand for caustic over the coming decade. Predictions are for a long-term trend in which the demand for sodium hydroxide will outstrip that for chlorine.

Several present markets for chlorine are expected to experience significant downturns due to environmental pressures or concerns about health hazards; these include pulp and paper bleaching, fluorocarbons, water treatment and chlorinated hydrocarbons. At the same time, the demand for sodium hydroxide is predicted to continue to grow.

Another trend is towards modular plants that allow the manufacture of chemicals on various scales including generation on a relatively small scale at the site of use.

Watts new salt splitting

Filed Under: Watts New

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