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Battery Storage
This energy thread follows battery storage through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗140 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Recent sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- Hacker News · Posted on Hacker News · First archived
Battery-free smart glasses monitor your health using blink energy ↗
Hacker News discussion.
- OpenAlex · Published · First archived
Mechanical Properties and Gas Permeability Characteristics of Airtight Concrete for Sealing Layer in Compressed Air Energy Storage Underground Caverns ↗
Compressed air energy storage (CAES) is a promising large-scale energy storage technology, but its efficiency and safety depend critically on the sealing performance of underground caverns. From a building materials science perspective, a key challenge is to develop cement-based sealing materials that maintain low gas permeability and mechanical stability under coupled thermo-pressure cycles. However, the gas permeability evolution and microstructural mechanisms of sulphoaluminate cement-based airtight concrete under such conditions remain insufficiently understood. To address this problem, th…
- Hacker News · Posted on Hacker News · First archived
Google's Fitbit Edge Has Health Features and a Replaceable Battery ↗
Hacker News discussion.
- OpenAlex · Published · First archived
Dual-health protocol modelling of Li-ion battery degradation for UAVs with capacity–resistance coupled metrics in aviation duty cycles ↗
Abstract Batteries must be able to hold enough usable energy, and have enough power to operate, for high power UAVs and electric VTOLs. But state-of-health based on capacity can deem resistance degraded batteries in good condition for use when there is significant voltage sag risk. This work proposes a dual-health protocol-aware model using both the reference-discharge capacity retention and resistance-derived power retention to assess and schedule the battery degradation. Chronological time, current, cumulative discharge capacity and pulse-resistance measurements were used to reconstruct cycl…
- OpenAlex · Published · First archived
Transient AC-bus voltage support for a low-voltage PV-battery shipboard microgrid under CPL-equivalent propulsion transients ↗
Photovoltaic (PV)-battery electric propulsion vessels may experience AC-bus voltage sag during rapid propulsion-power changes and renewable-power fluctuations. This study investigates transient voltage support in a scaled low-voltage shipboard microgrid using a finite-bandwidth constant-power-load (CPL)-equivalent propulsion transient. The sag of conventional Andronov–Hopf-oscillator (AHO) grid-forming control is linked to amplitude-equilibrium displacement, CPL negative incremental impedance, and the inverter/filter/feeder current-to-voltage path. A current-deviation-triggered branch is there…
- OpenAlex · Published · First archived
γ‐Ray Controlled Topological Evolution of Binders for Stable and Activated Li─S Battery Cathodes ↗
ABSTRACT γ‐ray irradiation facilitates controllable, clean, and reagent‐free cross‐linking of polymer networks without side reactions. Leveraging these merits, we precisely tune the irradiation dose to engineer a three‐dimensional (3D) poly(vinyl alcohol) (PVA) binder network for lithium‐sulfur (Li─S) batteries. By integrating multiscale synchrotron radiation X‐ray characterization techniques, we elucidate how the γ‐ray irradiation dose governs the 3D network structure and consequently regulates sulfur cathode stability and sulfur reaction kinetics without using catalysts. The optimal dose of…
- OpenAlex · Published · First archived
Disturbance-responsive online lithium-ion battery SOH estimation and analytical knee-point tracking with a Dual-Weibull Physics-Inspired Model ↗
Accurate online estimation of lithium-ion battery state of health (SOH) and knee points remains challenging because feature-based estimators can be sensitive to changes in input-data quality, whereas conventional empirical models may lack the flexibility. Therefore, this study proposes an online SOH and knee-point estimation framework comprising a Transformer-adaptive Kalman filter (AKF) branch, a Dual-Weibull Physics-Inspired Model (DWPIM), and a disturbance-responsive multi-feature Multilayer Perceptron (MLP) gate. The residual-based AKF is adopted to recursively smooth the Transformer outpu…
- OpenAlex · Published · First archived
An energy-reserve joint dispatch strategy for large-scale adiabatic compressed air energy storage with parallel compression and constant/sliding-pressure expansion designs ↗
The spinning reserve burden of wind-intensive power system (WIPS) should not be underestimated. In this regard, benefiting from numerous advantages including rapid response, short mode transition time, narrow reserve deadzone, and significant reserve depth, large-scale adiabatic compressed air energy storage (A-CAES) with parallel compression and constant/sliding-pressure expansion designs is well-suited for providing reserve services. Hence, an energy-reserve joint dispatch (ERJD) strategy for A-CAES-integrated WIPS is proposed. First, the variable-parameter thermodynamic model of A-CAES is c…
- OpenAlex · Published · First archived
Headroom-Constrained Adaptive Power Oscillation Damping for Grid-Forming Battery Energy Storage Systems Under Modal-Estimation Uncertainty ↗
Grid-forming battery energy storage systems (BESSs) can provide fast active-power modulation for oscillation damping, but adaptive action should be limited when modal evidence is weak or the damping-service power reserve is scarce. This paper develops an adaptive power oscillation damping (POD) supervisor that separates damping demand, modal-estimate reliability, and active-power headroom. Three bounded factors regulate only the adaptive gain increment upstream of actuator limits, leaving the baseline POD path and benchmark-specific estimator front end unchanged. Validation combines IEEE 9-bus…
- OpenAlex · Published · First archived
Lignin fast pyrolysis for energy storage: Phenolic-rich oil coproduction and supercapacitor carbon from activation of the residual char ↗
To develop high-performance carbon-based electrode materials for supercapacitors, this study establishes a complete conversion pathway from natural poplar wood to porous activated carbon. Lignin was rapidly extracted within 30 min using a deep eutectic solvent system composed of choline chloride, ethylene glycol, and various benzenesulfonic acids, serving as an intermediate precursor for subsequent carbon production. The extracted lignin, characterized by high thermal stability, abundant active functional groups, and uniform molecular weight, is subjected to fast pyrolysis. The resulting pyrol…
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How to assess evidence about Battery Storage
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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