Results 61 to 70 of about 1,599,665 (255)

Estimation of state of charge of lithium-ion batteries usedin HEV using robust extended kalman filtering

open access: yes, 2012
A robust extended Kalman filter (EKF) is proposed as a method for estimation of the state of charge (SOC) of lithium-ion batteries used in hybrid electric vehicles (HEVs). An equivalent circuit model of the battery, including its electromotive force (EMF)
jiang, J.   +7 more
core   +1 more source

Advances in Bio‐Integrated Edge Computing Systems for Smart and Connected Health

open access: yesAdvanced Materials, EarlyView.
This review explores advances in bio‐integrated edge computing for healthcare, focusing on co‐designing computing, sensing, and energy strategies to overcome integration and power challenges for optimized, decentralized operation. ABSTRACT Recent advances in bio‐integrated healthcare technologies have enabled continuous, high‐resolution monitoring and ...
Gyuwon Kim   +4 more
wiley   +1 more source

Progress and prospect of transition metal compound cathode materials with stable metal ion storage effect in various battery systems

open access: yesGreen Energy & Environment
The field of energy storage devices is primarily dominated by lithium-ion batteries (LIBs) due to their mature manufacturing processes and stable performance.
Dongfang Guo, Bin Zhang
doaj   +1 more source

Direct Structure–Performance Comparison of All‐Carbon Potassium and Sodium Ion Capacitors

open access: yesAdvanced Science, 2019
A hybrid ion capacitor (HIC) based on potassium ions (K+) is a new high‐power intermediate energy device that may occupy a unique position on the Ragone chart space.
Ziqiang Xu   +7 more
doaj   +1 more source

In-situ growth of nitrogen-doped carbon nanotubes on MXene nanosheets for efficient sodium/potassium-ion storage

open access: yesFrontiers in Materials, 2023
For game changing for future of large-scale energy storage technologies, sodium-ion and potassium-ion batteries provide a substitute to lithium-ion batteries.
Tao Wang   +11 more
doaj   +1 more source

2D Hierarchical Black Phosphorus‐Mn2O3 Heterostructured Composites for High‐Performance Flexible Supercapacitors

open access: yesAdvanced Materials Interfaces, EarlyView.
A sonochemical strategy constructs an ex situ 2D hierarchical black phosphorus–Mn2O3 heterostructure, enabling intimate interfacial coupling, enhanced charge transport, and improved electrochemical stability. The optimized BPM‐37.5% electrode delivers 466 F g−1 with 84% retention after 8000 cycles, while the flexible device exhibits high areal energy ...
Sowmiya Selvaraj   +1 more
wiley   +1 more source

Beyond Passivation: Designing Structurally Tailored Artificial Interphases for High‐Energy Lithium‐Based Anodes

open access: yesAdvanced Materials Interfaces, EarlyView.
This review outlines critical engineering design rules for building artificial protective coatings on next‐generation lithium metal and silicon battery anodes. It highlights how balancing structural flexibility with strict electronic and ionic transport limits prevents early battery failure.
Surin Gupte, Vilas G. Pol
wiley   +1 more source

Ultra-light and flexible pencil-trace anode for high performance potassium-ion and lithium-ion batteries

open access: yesGreen Energy & Environment, 2017
Engineering design of battery configurations and new battery system development are alternative approaches to achieve high performance batteries. A novel flexible and ultra-light graphite anode is fabricated by simple friction drawing on filter paper ...
Zhixin Tai   +6 more
doaj   +1 more source

Technical Feasibility Study of Autonomous Field Robot‐Based on‐the‐go Assessment of Soil Nutrients Using Ion‐Sensitive Field‐Effect Transistors

open access: yesAdvanced Robotics Research, EarlyView.
Autonomous field robots equipped with ISFET‐based sensors enable rapid, spatially resolved soil nutrient analysis directly in the field. An automated system based on the BoniRob platform is presented for standardized on‐site extraction and measurement of key macronutrients and soil pH.
Vadim Riedel   +3 more
wiley   +1 more source

Co‐MnO2 Nanorods for High‐Performance Sodium/Potassium‐Ion Batteries and Highly Conductive Gel‐Type Supercapacitors

open access: yesAdvanced Science, 2022
Manganese dioxide (MnO2) is considered as a strong candidate in the field of new‐generation electronic equipment. Herein, Co‐MnO2 has excellent electrochemical properties in tests as the cathode electrode of sodium‐ion batteries and potassium‐ion ...
Jun Han   +3 more
doaj   +1 more source

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