Bloom Energy Corporation

International Business Machines Corporation

Plug Power Inc.

Ohmium International, Inc.

Honda Motor Co., Ltd.

Powersecure, Inc.

Other

Hewlett Packard Enterprise Development LP

The Ohio State University

Indian Institute of Technology Madras

Infinity Fuel Cell and Hydrogen, Inc.

Arne Watson Ballantine

Chockkalingam Karuppaiah

Ranganathan Gurunathan

James F McElroy

David Weingaertner

Jessica Mahler

Anthony K Stamper

Jeffrey D Gilbert

Swaminathan Venkataraman

Matthias Gottmann

Prasad Pmsvvsv

David Trevisan

Martin Perry

Carl Cottuli

James William Adkisson

Douglas Duane Coolbaugh

Ramesh Srinivasan

Peter Light

Ryan Hallum

Gilbert Richards

Ross Parker

Daniel C Edelstein

John W Parks

Erin C Jones

Chad Pearson

Jed Hickory Rankin

Paul David Agnello

Michael Gasda

Ronald A Warren

James Albert Slinkman

Glen L Miles

Dustan L Skidmore

Kevin K Chan

Rama Divakaruni

Edward J Nowak

John Edward Cronin

Ramachandra Divakaruni

Cyril Cabral, Jr

Eduard Albert Cartier

Evgeni Petrovich Gousev

Tad Armstrong

Harald F Okorn-Schmidt

K R Sridhar

Joseph Bodkin

James J Quinlivan

John J Ellis-Monaghan

Edward Crandal Cooney, Iii

James Spiros Nakos

Robert Allen Groves

Fred Mitlitsky

Douglas Andrew Buchanan

Jennifer L Lund

Joseph R Greco

Donna Kaye Johnson

William David Lyle

Jeffrey Bowman Johnson

Alain F Loiseau

Harald Herchen

Hon-Sum Philip Wong

Michael Petrucha

David Edmonston

John Fisher

Srikanth Ranganathan

Gary L Milo

Norio Komura

Scott Alan Estes

Richard Steven Kontra

Toshiharu Furukawa

Terence B Hook

Kirk David Peterson

Herbert Lei Ho

Andrew Herbert Simon

Bomy A Chen

Matthew Warren Copel

Stephen Edward Greco

Christopher Stephen Putnam

Jeffrey Scott Brown

Fenton Read McFeely

Paul Christian Parries

James Wilson

Christopher Peter D'Emic

Byeongju Park

James Nguyen

Nancy Anne Greco

Roger W Cheek

Patrick Ronald Varekamp

Peter John Geiss

Takafumi Okamoto

Stephen Couse

William F Smith

Ian Russell

Shwu-Jen Jeng

Ronald Dean Goldblatt

Tina Jane Wagner

Ricky S Amos

Robert M Hintz

Martin Janousek

Anthony C Speranza

John Finn

W S Winston Ho

A system for hydrogen generation includes at least one cabinet defining a first volume, a second volume, and a third volume, where the first volume, the second volume and the third volume are fluidically isolated from each other, a water circuit located in the first volume, an electrochemical module including an electrolyzer electrochemical stack located in the second volume, a hydrogen circuit located in the third volume, at least one first fluid connector fluidly connecting the water circuit and the electrolyzer electrochemical stack, and at least one second fluid connector fluidly connecting the electrolyzer electrochemical stack and the hydrogen circuit.

Electrochemical devices, modules, and systems for hydrogen generation and methods of operating thereof

A porous titanium sheet configured to function as an anode side gas diffusion layer of a proton exchange membrane (PEM) electrolyzer is formed by a powder technique, such as tape casting or powder metallurgy.

Porous electrolyzer gas diffusion layer and method of making thereof

A fuel cell system includes a plurality of fuel cell segments, each segment having a plurality of fuel cells. The segments include a positive terminal having a positive voltage with respect to ground and a negative terminal. The fuel cell system also includes at least one component electrically connecting the negative terminal to ground, the at least one component configured to decrease a surge current through the segments.

Fuel cell stack grounding through an impedance creating element

An alternating current (AC) impedance spectroscopy method includes providing an AC impedance spectroscopy ripple from power electronics into an electrochemical device, and absorbing the ripple in the power electronics.

Impedance monitoring of a modular electrolysis system

The present disclosure generally relates to systems and techniques for power generation. In some aspects, the techniques described herein relate to a method for power generation, including: receiving a forecast of weather impacting renewable energy generation configured to provide power to a load; distributing energy between a plurality of energy storage equipment based on the forecast of the weather, the plurality of energy storage equipment including different types of storage equipment; selecting one of the plurality of energy storage equipment based on the forecast of the weather; and controlling distribution of power from the selected one of the plurality of energy storage equipment to the load.

Systems and techniques for renewable energy generation

A system for controlling a photovoltaic (PV)-powered hydrogen production plant includes a plurality of PV modules to receive sunlight and output DC power, wherein the plurality of PV modules are combined in series to create a PV string, at least one power cabinet comprising at least one DC-to-DC power converter to receive DC power from the PV string and provide regulated DC power to an electrolyzer stack, the regulated DC power having regulated output current and/or voltage, and at least one controller to control the at least one DC-to-DC power converter to match the regulated DC power to requirements of the electrolyzer stack.

System and methods for controlling photovoltaic-powered hydrogen production plants

The present disclosure relates to circuits for connecting components of a hydrogen plant to a power grid to power the components in an efficient manner. In one implementation, power-side alternate current (AC) to direct current (DC) converters may be connected to a source power grid without the need for an isolation transformer by providing separate buses between the power-side AC-DC converters and load-side DC-DC converters instead of a shared DC bus between the converters. Other implementations for connecting components of a hydrogen plant to a power grid may include an adjustable transformer, such as a tappable transformer or an autotransformer, to connect any number of auxiliary loads of the plant to the power grid. The adjustable transformer may provide for various types of auxiliary load devices to connect to the power provided by the transformer at the same time, including both three-phase devices and one-phase devices.

Systems and circuits for connecting components of a hydrogen plant to a power source

A power generation system includes a power source that is configured to communicate with at least one of a downstream load or a downstream device by changing a voltage on a power bus between the power source and the at least one of the downstream load or the downstream device, while power source provides power on the power bus to the at least one of the downstream load or the downstream device.

Power source communication with downstream device by changing output voltage on a power bus

A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.

Systems and methods for hydrogen recovery

Hybrid electrocatalyst layers for use in an electrochemical cell and processes for making the same are described. The hybrid electrocatalyst layers include at least one ion-conducting layer and at least one nonionic conductive catalyst layer. The processes for making the hybrid electrocatalyst layers include a sintering step, which provides greater durability of the hybrid electrocatalyst layers.

Hybrid electrocatalyst layers for membrane-based electrochemical devices and processes for making the same

A fuel cell system includes a fuel cell stack, a fuel inlet conduit configured to provide a fuel to a fuel inlet of the fuel cell stack, an electrochemical pump separator containing an electrolyte, a cathode, and a carbon monoxide tolerant anode, a fuel exhaust conduit that operatively connects a fuel exhaust outlet of the fuel cell stack to an anode inlet of the electrochemical pump separator, and a product conduit which operatively connects a cathode outlet of the electrochemical pump separator to the fuel inlet conduit.

Solid oxide fuel cell system with hydrogen pumping cell with carbon monoxide tolerant anodes and integrated shift reactor

An anode gas diffusion layer for a proton exchange membrane (PEM) electrolyzer includes a porous stainless steel sheet formed by a powder metallurgical technique.

Methods of manufacturing a gas diffusion layer and an electrochemical cell incorporating the same

Provided herein are systems and methods for generating gas and delivering the gas at multiple output pressures. The system includes a plurality of gas generators and a plurality of applications, each application having a different header pressure. A plurality of header valves directs the gas flow to the plurality of applications such that energy loss is minimized.

Multiple output header

A system for an integrated energy pipeline with vehicle recharging or refueling stations is described. The system generates hydrogen gas from solar powered electrolyzers. The system distributes the hydrogen gas for the fueling of vehicles. The system generates the hydrogen gas locally from solar radiation and water provided to the system.

Solar highway with integrated energy pipeline and vehicle recharging or refueling stations

Growing community of inventors

Round Lake, NY, United States of America

Arne Watson Ballantine