Energy

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The Energy technology area contains advancements that address some of the most significant national challenges across the energy, climate, and infrastructure sectors. Sandia’s energy research addresses generation, storage, transmission, and distribution. Work is aimed at promoting energy resilience, stability, and security. 

This technology area also contains specialized portfolios related to: 

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Solid State Lithium Battery

A higher power, solid-state thin film battery for breakthrough conductance...

Algae Scrubbing for Waterway Remediation and Biofuel Production

A novel algae flow-way system capable of converting wastewater pollutants...

Solar-Thermal Ammonia Production

A greener and more renewable pathway for ammonia production Ammonia...

Patent Title Patent Number Grant Date
Heat Exchanger and Method for Heat Removal or Transfer Pending Pending
Heat Exchanger Device and Method for Heat Removal or Transfer Pending Pending
DYNAMICALLY RECONFIGURABLE PHOTOVOLTAIC SYSTEM Pending Pending
PHOTOVOLTAIC POWER GENERATION SYSTEM FREE OF BYPASS DIODES Pending Pending
DYNAMICALLY RECONFIGURABLE PHOTOVOLTAIC SYSTEM Pending Pending
Ducted Fuel Injection Pending Pending
Ducted Fuel Injection Pending Pending
Water and heat hub micro-system and method US12540457B1 02/03/2026
New!
Systems and methods for optimal phase shift between dynamic control actions for wind turbines US12535055B1 01/27/2026
New!
Solid-state transformer for mitigation of common mode insults US12500415B1 12/16/2025
Systems and methods for blocking, detecting and responding to cyber attacks in physically controlled distributed systems US12470594B1 11/11/2025
Hydrogen compression and storage systems US12422099B1 09/23/2025
Flow assist vent mast US12297960B1 05/13/2025
Systems and methods for automated drilling of high aspect ratio, small diameter holes in remote, confined spaces US12241370B1 03/04/2025
Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion US12203531B2 01/21/2025
Epitaxially integrated protection diodes for monochromatic photosensitive diodes US12199112B1 01/14/2025
Alkyl dialkoxyalkanoates as bioderived, high cetane diesel fuels US12077719B2 09/03/2024
Wind turbine power phase control with DC collection bus for onshore/offshore windfarms US12051906B2 07/30/2024
Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion US11906020B2 02/20/2024
Systems, methods and computer program products for charging autonomous wireless sensors in subsurface environments US11876398B1 01/16/2024
Modular low cost trackerless spectral sensor US11841273B1 12/12/2023
Systems and methods for single-axis tracking via sky imaging and machine leanring comprising a neural network to determine an angular position of a photovoltaic power system US11823409B1 11/21/2023
Power packet networks for wave energy converter arrays US11725622B1 08/15/2023
Fuel and fuel blend for internal combustion engine US11674099B2 06/13/2023
Ion-selective membrane for redox flow batteries US11600838B2 03/07/2023
Modular anti-rotation drilling systems and methods US11566497B2 01/31/2023
Systems and methods for shielding falling particles within a solar thermal falling particle receiver US11555634B2 01/17/2023
Radial particle-based terrestrial thermocline for high temperature thermal storage US11549761B1 01/10/2023
Wave energy converter buoy with variable geometry US11536243B2 12/27/2022
Alkyl dialkoxyalkanoates as bioderived, high cetane diesel fuels US11492565B1 11/08/2022
Photovoltaic array for a power-by-light system US11476376B2 10/18/2022
Modular low cost trackerless spectral sensor US11460344B2 10/04/2022
Towerless vertical-axis wind turbine US11421650B2 08/23/2022
Redox-active oxide materials for thermal energy storage US11339766B2 05/24/2022
Solar receivers and methods for capturing solar energy US11336224B2 05/17/2022
Falling particle solar receivers US11326810B2 05/10/2022
Nonlinear hydrostatic control of a wave energy converter US11326574B2 05/10/2022
System and method thermopile energy harvesting for subsurface well bore sensors US11319779B1 05/03/2022
Energy storage systems for electrical microgrids with pulsed power loads US11316363B2 04/26/2022
Biochemical upgrading of high-protein biomass and grain products US11312978B2 04/26/2022
Fuel and fuel blend for internal combustion engine US11261391B1 03/01/2022
Compounds that induce octane overboosting US11225622B1 01/18/2022
Probe for operando in situ electrochemical nuclear magnetic resonance spectroscopy US11215686B2 01/04/2022
Circumferential flow foam heat exchanger US11209219B1 12/28/2021
Ducted Fuel Injection EP3201446B1 12/08/2021
Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion US11143275B2 10/12/2021
Modular anti-rotation drilling systems and methods US11131167B1 09/28/2021
Systems and methods for controlling electrical grid resources US11050262B1 06/29/2021
Belt structures for rotary electrical contact device US11031744B1 06/08/2021
Methods and devices for preventing computationally explosive calculations in a computer for model parameters distributed on a hierarchy of geometric simplices US11010513B2 05/18/2021
Systems and methods using collaborative controls to maintain unintentional islanding standards US10985568B1 04/20/2021
System and method for consolidating used nuclear fuel US10978212B1 04/13/2021
Belt structures for rotary electrical contact device US10971876B1 04/06/2021
Solar thermal receivers with multi-scale light trapping geometry and features US10935281B1 03/02/2021
Surface blocking agents US10894913B1 01/19/2021
Passive high-power-density grid interface device US10886841B1 01/05/2021
Radical-ion battery and operation thereof US10879552B2 12/29/2020
Heating and cooling devices, systems and related method US10876773B2 12/29/2020
Organosilicon-based electrolytes for long-life lithium primary batteries US10862163B2 12/08/2020
Nonlinear controller for nonlinear wave energy converters US10823134B2 11/03/2020
Air bearing heat exchanger methods US10801787B2 10/13/2020
Methods for operating solar-thermochemical processes US10801756B2 10/13/2020
Ducted fuel injection US10801395B1 10/13/2020
Redox-active oxide materials for thermal energy storage US10800665B1 10/13/2020
Nanoporous carbon as an anode material for Li-ion batteries US10784511B1 09/22/2020
Modular low cost trackerless spectral sensor US10760972B1 09/01/2020
Cast thermal battery electrodes and separators using a salt binder US10727474B1 07/28/2020
Fluorinated ionic liquids for battery electrolytes US10686234B1 06/16/2020
Biochemical upgrading of high-protein biomass and grain products US10683519B1 06/16/2020
Nonlinear power flow control for networked AC/DC microgrids US10666054B2 05/26/2020
Systems, methods and computer program products for constructing complex geometries using layered and linked hexahedral element meshes US10657301B1 05/19/2020
Cryogenic heating system US10627050B1 04/21/2020
Aqueous Na-ion redox flow battery with ceramic NaSICON membrane US10586997B1 03/10/2020
System and method for cooling using a heat exchanger having a membrane US10584926B1 03/10/2020
Communication enabled fast-acting imbalance reserve US10574056B1 02/25/2020
Low pressure drop advanced swirl technology gas filter US10537839B1 01/21/2020
Falling particle solar receivers US10508834B1 12/17/2019
High current density, low contact resistance wide bandgap contacts US10505031B1 12/10/2019
Magnetic field falling particle solar receiver systems and methods US10502459B1 12/10/2019
Metal-organic framework electrodes for sodium ion batteries US10497971B2 12/03/2019
Heating and cooling devices, systems and related method US10429105B1 10/01/2019
Multi-resonant feedback control of a single degree-of-freedom wave energy converter US10423126B2 09/24/2019
Air bearing heat exchanger US10422590B2 09/24/2019
Wind turbine blades, wind turbines, and wind farms having increased power output US10400743B1 09/03/2019
Fluid driven drilling motor US10385616B1 08/20/2019
Controller for a customized electric power storage device in a collective microgrid US10374430B1 08/06/2019
Solar receivers and methods for capturing solar energy US10348241B1 07/09/2019
Pseudo-spectral method to control three-degree-of-freedom wave energy converters US10344736B2 07/09/2019
Subharmonic power line carrier based island detection systems and methods US10326279B2 06/18/2019
Metal-organic framework electrodes for sodium ion batteries US10320028B2 06/11/2019
Nonaqueous redox flow battery electrolyte comprising an ionic liquid with a metal cation coordinated to redox-active ligands US10305133B2 05/28/2019
High performance ultra-thin solar cell structures US10304977B1 05/28/2019
Systems, methods and computer program products for electric grid control US10298016B1 05/21/2019
Emulator apparatus for microgrid testing and design US10270251B1 04/23/2019
Arc plasma-generating systems and methods thereof US10261120B1 04/16/2019
Emulator for rotary energy sources US10228665B1 03/12/2019
Additive-mixing fuel-injection system for internal combustion engines US10202929B1 02/12/2019
Electrochemical cell having a vanadium phosphorous alloy electrode US10186740B1 01/22/2019
Ducted fuel injection US10161626B2 12/25/2018
Ducted fuel injection with ignition assist US10138855B2 11/27/2018
Axial flow heat exchanger devices and methods for heat transfer using axial flow devices US10132574B2 11/20/2018
Thermal energy storage and power generation systems and methods US10107268B1 10/23/2018
Tandem biochemical and thermochemical conversion of algal biomass US10077454B1 09/18/2018
Heating and cooling devices, systems and related method US10041701B1 08/07/2018
Heat transfer assemblies, systems, and methods for conditioning a medium US10036581B1 07/31/2018
Thermal swing reactor including a multi-flight auger US10035121B1 07/31/2018
Methods for operating solar-thermochemical processes US10001298B1 06/19/2018
Identifying an arc-fault type in photovoltaic arrays US9995796B1 06/12/2018
Porous metals from sintering of nanoparticles US9981313B1 05/29/2018
Prognostics and health management of photovoltaic systems US9939485B1 04/10/2018
Catalyzed, high energy density, metal-air battery US9911981B1 03/06/2018
Ducted fuel injection US9909549B2 03/06/2018
Detection of arcing location on photovoltaic systems using filters US9897642B1 02/20/2018
Thermochemically active iron titanium oxide materials US9868636B1 01/16/2018
Polyarene mediators for mediated redox flow battery US9859583B2 01/02/2018
Cascaded recompression closed brayton cycle system US9856754B1 01/02/2018
Computing an operating parameter of a unified power flow controller US9851737B1 12/26/2017
Electrochemical ion separation in molten salts US9847149B2 12/19/2017
Cascading pressure reactor and method for solar-thermochemical reactions US9815042B1 11/14/2017
Apparatus for assembly of microelectronic devices US9763370B2 09/12/2017
Microsystem enabled photovoltaic modules and systems US9761748B1 09/12/2017
Resistive field structures for semiconductor devices and uses therof US9761675B1 09/12/2017
Enhancing power cycle efficiency for a supercritical Brayton cycle power system using tunable supercritical gas mixtures US9745899B2 08/29/2017
Computation of glint, glare, and solar irradiance distribution US9722534B2 08/01/2017
Customized electric power storage device for inclusion in a microgrid US9721312B2 08/01/2017
Support system, excavation arrangement, and process of supporting an object US9719349B1 08/01/2017
Electrochemical cell structure including an ionomeric barrier US9685684B1 06/20/2017
Method of making photovoltaic cell US9685580B2 06/20/2017
High-temperature brushless DC motor controller US9654035B1 05/16/2017
Cascaded recompression closed Brayton cycle system US9624793B1 04/18/2017
Solid state lighting devices and methods with rotary cooling structures US9599328B2 03/21/2017
Thermal swing reactor including a multi-flight auger US9586190B1 03/07/2017
Method for controlling start-up and steady state performance of a closed split flow recompression brayton cycle US9562471B1 02/07/2017
Hybrid metal oxide cycle water splitting US9556528B2 01/31/2017
Polyoxometalate active charge-transfer material for mediated redox flow battery US9548509B2 01/17/2017
Dynamically reconfigurable photovoltaic system US9531322B2 12/27/2016
Transparent contacts for stacked compound photovoltaic cells US9508881B2 11/29/2016
High durability solar absorptive coating and methods for making same US9499699B1 11/22/2016
Photovoltaic cell with nano-patterned substrate US9472702B1 10/18/2016
Magnetic method for stimulating transport in fluids US9470458B1 10/18/2016
Self-assembling segmented coiled tubing US9453376B1 09/27/2016
Rectenna that converts infrared radiation to electrical energy US9437629B1 09/06/2016
Solar tracking system US9391557B2 07/12/2016
Preheating of fluid in a supercritical Brayton cycle power generation system at cold startup US9388817B1 07/12/2016
Dynamically reconfigurable photovoltaic system US9356173B2 05/31/2016
Polyoxometalate flow battery US9287578B2 03/15/2016
Hybrid metal oxide cycle water splitting US9279188B2 03/08/2016
Aeroelastically coupled blades for vertical axis wind turbines US9267490B1 02/23/2016
Customized electric power storage device for inclusion in a collective microgrid US9263894B2 02/16/2016
Axial flow heat exchanger devices and methods for heat transfer using axial flow devices US9261100B2 02/16/2016
Heat exchanger device and method for heat removal or transfer US9207023B2 12/08/2015
Solar photovoltaic reflective trough collection structure US9190546B1 11/17/2015
Photovoltaic cell with light trapping for enhanced efficiency US9190542B1 11/17/2015
Imaging doppler lidar for wind turbine wake profiling US9188677B2 11/17/2015
Interband cascade (IC) photovoltaic (PV) architecture for PV devices US9166084B2 10/20/2015
Computing architecture for autonomous microgrids US9148019B2 09/29/2015
Microinverters for employment in connection with photovoltaic modules US9143053B1 09/22/2015
Optimized microsystems-enabled photovoltaics US9141413B1 09/22/2015
Controller for a wave energy converter US9140231B1 09/22/2015
Photovoltaic solar concentrator US9126392B1 09/08/2015
Synthesis of electroactive ionic liquids for flow battery applications US9123943B1 09/01/2015
Computation of glint, glare, and solar irradiance distribution US9103719B1 08/11/2015
Photovoltaic power generation system free of bypass diodes US9093586B2 07/28/2015
Microsystem enabled photovoltaic modules and systems US9029681B1 05/12/2015
Separating semiconductor devices from substrate by etching graded composition release layer disposed between semiconductor devices and substrate including forming protuberances that reduce stiction US9029239B2 05/12/2015
Methods and materials for deconstruction of biomass for biofuels production US9024111B1 05/05/2015
Heat exchanger device and method for heat removal or transfer US8988881B2 03/24/2015
Processes for multi-layer devices utilizing layer transfer US8946052B2 02/03/2015
Computing an operating parameter of a unified power flow controller US8930034B1 01/06/2015
Method of forming through substrate vias (TSVs) and singulating and releasing die having the TSVs from a mechanical support substrate US8906803B2 12/09/2014
Reducing current reversal time in electric motor control US8878473B2 11/04/2014
Solid-state lithium battery US8877388B1 11/04/2014
Seal assembly with anti-rotation pin for high pressure supercritical fluids US8794634B1 08/05/2014
Method for operating homogeneous charge compression ignition engines using conventional gasoline US8689767B1 04/08/2014
Concentration solar power optimization system and method of using same US8674280B1 03/18/2014
Mobile computing device configured to compute irradiance, glint, and glare of the sun US8669509B1 03/11/2014
Solar cell with back side contacts US8614395B1 12/24/2013
Rotary electrical contact device and method for providing current to and/or from a rotating member US8585413B2 11/19/2013
Alignment and focus of mirrored facets of a heliostat US8582092B1 11/12/2013
Method for synthesizing metal bis(borano) hypophosphite complexes US8465715B1 06/18/2013
Tracking heat flux sensors for concentrating solar applications US8459865B1 06/11/2013
Turbo-alternator-compressor design for supercritical high density working fluids US8397506B1 03/19/2013
Method of multi-dimensional moment analysis for the characterization of signal peaks US8296078B1 10/23/2012
Alignment method for solar collector arrays US8294886B1 10/23/2012
Residual gas analysis device US8230722B1 07/31/2012
Heat exchanger device and method for heat removal or transfer US8228675B2 07/24/2012
Reduced-impact sliding pressure control valve for pneumatic hammer drill US8176995B1 05/15/2012
Control system design method US8121708B1 02/21/2012
Suction-recirculation device for stabilizing particle flows within a solar powered solid particle receiver US8109265B1 02/07/2012
Battery components employing a silicate binder US7947397B1 05/24/2011
Low-melting point heat transfer fluid US7922931B1 04/12/2011
Low-melting point heat transfer fluid US7828990B1 11/09/2010
Microfabricated fuel heating value monitoring device US7708943B1 05/04/2010
Alignment method for parabolic trough solar concentrators US7667833B1 02/23/2010
System and method for advanced power management US7567060B1 07/28/2009
Water-splitting using photocatalytic porphyrin-nanotube composite devices US7338590B1 03/04/2008
Enhanced distributed energy resource system US7239044B1 07/03/2007
Multilayer gasket US6722661B2 04/20/2004
Method and apparatus for controlling communication system capacity US6034971A_ 03/07/2000
Suction nozzle US5368560A_ 11/29/1994
Antisiphon ball cock and silencer US9792292B1 09/14/1943
Antisiphon ball cock and silencer Pending 09/14/1943