The Nickel-Metal Hydride (Ni-MH) Cell is a high-performance rechargeable battery technology that combines strong energy density, environmental safety, and cost efficiency. As a trusted alternative to traditional Ni-Cd and disposable alkaline batteries, Ni-MH cells are widely used in consumer electronics, household devices, industrial tools, and renewable energy systems.
A Ni-MH (Nickel-Metal Hydride) cell is a type of rechargeable battery that uses a hydrogen-absorbing alloy for the negative electrode and nickel oxyhydroxide for the positive electrode. This unique composition enables high energy capacity, long cycle life, and superior performance stability across different environments.
With voltage levels typically around 1.2V per cell, Ni-MH batteries can easily replace traditional dry batteries in various devices — offering both convenience and sustainability.
1. High Energy Density
Compared with Ni-Cd batteries, Ni-MH cells deliver up to 30–40% higher energy density, providing longer runtime and better power output in portable electronics and cordless tools.
2. Excellent Charge Retention
Modern Ni-MH batteries feature low self-discharge technology, retaining up to 85% of their charge after one year of storage — a major improvement over older generations.
3. Environmental Friendliness
Ni-MH cells are cadmium-free, making them a more eco-friendly option. They comply with global environmental regulations such as RoHS and REACH, ensuring safe use and easy recycling.
4. Long Cycle Life
With proper maintenance, Ni-MH cells can be recharged over 500–1000 times, offering an economical and durable energy solution that reduces waste and overall cost.
5. Strong Performance in Extreme Conditions
Ni-MH cells perform reliably across a wide temperature range (typically -20°C to +60°C), making them suitable for indoor and outdoor applications.
6. High Discharge Efficiency
They maintain stable voltage output during discharge, supporting consistent performance for high-drain devices such as digital cameras, flashlights, and handheld tools.
7. Safe and Stable Chemistry
Ni-MH technology is known for thermal and chemical stability, with built-in protection against short circuits and overcharging — ensuring user safety during repeated use.
Ni-MH batteries are widely used in various fields that demand reliable, rechargeable power sources:
Consumer Electronics: Digital cameras, MP3 players, remote controls, wireless keyboards, toys.
Household Devices: Cordless phones, flashlights, shavers, and kitchen appliances.
Industrial Equipment: Measuring instruments, portable scanners, emergency lighting systems.
Electric and Hybrid Vehicles (HEVs): Used as power storage for hybrid cars due to stable performance and long life.
Renewable Energy Storage: Ideal for solar and wind energy systems that require rechargeable storage.
Medical Equipment: Portable medical devices, monitoring instruments, and diagnostic tools.
1. Ni-MH Cell Charge Curve At 0.1C For 16h At 55 Degree
2. Ni-MH Cell Discharge Curve At 0.25C At 55 Degree
3. Ni-MH Cell Charge Efficiency At Different Temperature
4. Ni-MH Cell Cycle Life Curve
