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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Probing Structural Evolution and Charge Storage Mechanism of NiO 2 H x Electrode Materials using In Operando Resonance Raman Spectroscopy
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Economic optimal operation of Community Energy Storage systems in competitive energy markets
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New science at the meso frontier: Dense nanostructure architectures for electrical energy storage
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Stable high-voltage aqueous pseudocapacitive energy storage device with slow self-discharge
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Organic-inorganic all-pseudocapacitive asymmetric energy storage devices
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Discrete element modeling of a particle heater for energy storage systems
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Analysis of a graphite foam–NaCl latent heat storage system for supercritical CO 2 power cycles for concentrated solar power
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Layer-by-layer assembly of MXene and carbon nanotubes on electrospun polymer films for flexible energy storage
Highly flexible and foldable supercapacitor electrodes were fabricated by the layer-by-layer assembly of Ti 3 C 2 T x (MXene) nanoflakes with carbon nanotubes on electrospun polymer fiber networks.
Comprehensive comparison of two tracking codes for single-particle dynamics evaluation of a next-generation storage ring light source
Next-generation light sources based on the multibend achromat concept place great reliance on the accuracy of beam dynamics modeling. To ensure the success of such light sources, confirmation of design performance with at least two independent codes is prudent. The APS Upgrade (APS-U) lattice has been designed using the code ELEGANT, which has existing and new features that are needed by the design. Corresponding, independent improvements have recently been made to the accelerator toolbox (AT), in order to permit an independent check of nonlinear dynamics predictions. The new developments include the modeling of combined-function bending magnets with straight geometry and improved fringe field effects of quadrupole magnets. Calculations of linear and nonlinear lattice parameters and particle tracking results were compared, showing remarkable agreement was found between the two independently developed codes. This provides significant confirmation of the feasibility of the APS-U design.
Maintaining Balance: The Increasing Role of Energy Storage for Renewable Integration
For nearly a century, global power systems have focused on three key functions: generating, transmitting, and distributing electricity as a real-time commodity. Physics requires that electricity generation always be in real-time balance with load-despite variability in load on time scales ranging from subsecond disturbances to multiyear trends. With the increasing role of variable generation from wind and solar, the retirement of fossil-fuel-based generation, and a changing consumer demand profile, grid operators are using new methods to maintain this balance.
Energy Storage Safety: Guidelines Developed by the Energy Storage Integration Council for Distributed-Connected Systems
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Terrajoule Modular Distributed CSP with Storage System using Water/Steam Phase Change for Energy Storage and Generation
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Geophysical monitoring for geologic carbon storage
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Encapsulating Various Sulfur Allotropes within Graphene Nanocages for Long-Lasting Lithium Storage
The encapsulation of sulfur within carbon matrices is widely utilized in the cathode of a rechargeable lithium-sulfur battery, whose energy density largely depends on the design of the carbon structure. Here, an advanced graphene nanocage structure with the capability of hosting both cyclo-S-8 and smaller sulfur molecules (S2-4) is reported. The cage inner cavity is partially filled with S-8 to form a yolk-shell structure that enables free volumetric variation of S-8 during (de)lithiation. In the graphene shell of the cage, S-8 are downsized to S2-4 to activate extra sulfur loading sites within graphene layers. Importantly, the graphene shell exhibits inward volumetric variation upon (de)lithiation of the loaded S2-4, and the overall electrode strain is thus minimized. This prototyped design promises an ultimate solution to maximize sulfur loading in carbon matrices as well as to circumvent the polysulfide dissolution problem and boost the commercialization of lithium-sulfur batteries in the future.