Deeya Energy, Inc.

Imergy Power Systems, Inc.

Enervenue Inc.

Ge Zu

Majid Keshavarz

Saroj Kumar Sahu

Chockkalingam Karuppaiah

Suresh Kumar Surapalan Nair

Vasanthan Mani

Ali Firouzi

Gopalakrishnan R Parakulam

Veluchamy Rasu

Nelson Dichter

Wenxiao J Huang

In accordance with some embodiments of this disclosure, a metal-hydrogen battery according to embodiments of the present disclosure includes a vessel; a plurality of electrode stacks arranged in the vessel, wherein each electrode stacks of the plurality of electrode stacks includes a plurality of layers of electrodes, the layers of electrodes including alternating cathode electrodes and anode electrodes, the anode electrode being from of a transition metal anode with a catalyst, one or more separators separating the layers of electrodes, and an electrolyte that saturates each of the electrode stacks in the plurality of electrode stacks.

Nickel-hydrogen battery configurations for grid-scale energy storage

A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeClin a dilute HCl solution in order to quench chlorine emissions from the flow cell battery. A quench sensor is further described. The quench sensor monitors the concentration level of FeClin the quench solution and may also monitor the level of the quench solution in the quencher.

Quenching system

A redox cell rebalance system is provided. In some embodiments, the rebalance system includes electrochemical cell and a photochemical cell. In some embodiments, the photochemical cell contains a source of ultraviolet radiation for producing HCl from Hand Clgenerated by the system. The HCl product may be collected or circulated back through the system for the rebalancing of electrolytes. A rebalance cell for use in a rebalance system is also provided. In some embodiments, the rebalance cell is the combination of an electrochemical cell and a photochemical cell. In some embodiments, a source of ultraviolet radiation is housed in the cathode compartment of the rebalance cell. In some embodiments, the source of ultraviolet radiation is used to effect the formation of HCl from Hand Clpresent in the rebalance cell. The HCl is dissolved in aqueous electrolytes contained in the rebalance cell, which can subsequently be circulated through a rebalance system for the rebalancing of redox cells.

Redox flow cell rebalancing

A method of producing HCl from Hand Clis provided. In some embodiments, the method comprises at least one photochemical chamber placed in fluid communication with at least one source of Hand at least one source of Cl. In some embodiments, the photochemical chamber effects the formation of HCl through the use of at least one source of ultraviolet radiation contained therein. In some embodiments, the HCl product may be captured and used as a gas. In some embodiments, the HCl product may be absorbed into water to form an aqueous HCl solution.

Methods of producing hydrochloric acid from hydrogen gas and chlorine gas

An electrolyte for a flow cell battery is provided. The electrolyte includes a concentration of chromium ions that is greater than the concentration of iron ions.

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San Jose, CA, United States of America

Ge Zu