NiMH Battery News & Industry Insights

Accelerated Ageing of NiMH Charge Protocols: Designing Cycle-Life Experiments That Predict the Field

2026-09-12

Design of accelerated and factorial cycle-life tests for NiMH charge protocols: stress factors, Arrhenius acceleration, control groups, capacity/resistance endpoints, statistical sample sizing, and avoiding misleading life predictions.

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Measuring Charge Efficiency and Detecting Full Charge in the Laboratory: Methods, Instruments and Pitfalls

2026-09-12

Experimental methods for NiMH charge: coulombic and energy efficiency by integrated charge, pressure/temperature/gas instrumentation, detecting full charge from voltage, dT/dt and pressure, and instrument pitfalls that distort conclusions.

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Testing NiMH Charge Performance to IEC 61951-2: Capacity, Endurance and Charge Retention Methods

2026-09-12

How NiMH charge/discharge performance is standardised under IEC 61951-2: charge/discharge capacity test, endurance cycling, charge retention and internal resistance methods, and how to read and reproduce standard test conditions.

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The Battery Digital Twin: Closed-Loop Intelligent Charging Across a NiMH Fleet

2026-09-12

Digital-twin charging for NiMH: per-battery evolving models updated from field data, cloud/edge state estimation, fleet-wide learning of degradation and optimal profiles, over-the-air profile refinement, and the data-governance it requires.

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Wireless Charging of NiMH: Inductive and Resonant Transfer Applied to Nickel-Metal Hydride

2026-09-12

Feasibility of wireless/inductive charging for NiMH: power-link and receiver design, constant-current delivery through a variable coupled link, termination despite coil losses, sealed-product and consumer/industrial use cases, and limits.

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Materials and Electrolyte Advances That Enable Faster, Gentler NiMH Charging

2026-09-12

How NiMH material innovation expands the charge envelope: hydride-alloy and surface-coating advances (LaF3-type), positive-electrode additives, electrolyte formulation, low-temperature charge performance and the charger implications of new-cell capabilities.

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Model-Based Optimal Charging: Minimising Time and Degradation in NiMH at Once

2026-09-12

Optimal-control charging for NiMH: framing charge as a constrained optimisation of time versus degradation, multi-stage constant-current as the practical optimum, electrochemical constraints, and how optimal profiles compare with conventional fast charge.

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Ageing-Aware Adaptive Charging: Letting the Charger Learn the Cell It Is Holding

2026-09-12

Adaptive NiMH charging that updates current and termination as cells age: tracking resistance and peak drift, adjusting current to retained capacity, closed-loop thermal control, and the evidence that adaptation extends usable pack life.

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