Home News

Quick Understanding of Characteristics and Parameters of Six Common Lithium Batteries (4/6)

China HONG KONG TAC INDUSTRIAL CO., LTD. certification
China HONG KONG TAC INDUSTRIAL CO., LTD. certification
Customer Reviews
Dear Davide, I leave you in Vivian's hands, I'm sure you will come to an agreement., Vivian is professional in our product.

—— Davide Bet

Here is the signed PI. Thank you , We hope

—— Mr Ander

12V 110Ah battery pack for solar product I like your solar battery pack. Good quality and delivery fast.

—— Eyal Dolev

The battery pack is more atractive for us . May I receive drawing of other pack 12V 20AH with dimentional info ? I need 50pcs to test .

—— Nizamettin

We have received the battery packs and performing tests have passed . We are impressed by the assembly. it is almost the best one . thank you

—— Alexander Kozhushko

Pictures show a nice battery pack, performance is ok , We need serial connected 4cells (4S1P) configuration with protection circuitry

—— George Komisar

big thanks for your work, we got the cargos last week, it seems nice.

—— Johnny Black

I think it is a good idea to solve the problem, I am really appreciate you would like to help us.

—— Simone Kowalk

yes , we received the batteries and chargers last Friday, Everything looks great,well packed, no damage and dlivered in the time frame as promised.

—— Met vriendelijke groet

Thanks for your input, we have checked each and every think and on our side every thing is great. Just proceed to submit the company documents to get approval.

—— Joey Schumer

I'm Online Chat Now
Company News
Quick Understanding of Characteristics and Parameters of Six Common Lithium Batteries (4/6)

Lithium nickel cobalt manganate (LiNiMnCoO2 or NMC)

One of the most successful lithium ion systems is the cathode combination of nickel manganese cobalt (NMC). Similar to lithium manganate, this system can be customized for energy or power batteries. For example, the NMC of 18650 batteries under moderate load has a capacity of about 2,800 mAh and can provide discharge current of 4A to 5A; while the same type of NMC can provide continuous discharge current of 20A while optimizing for specific power, its capacity is only 2,000 mAh. Silicon-based anodes will reach more than 4000 mAh, but their load capacity will be reduced and their cycle life will be shortened. Silicon added to graphite has defects, that is, the anode expands and shrinks with charging and discharging, which makes the mechanical stress structure of the battery unstable.

The secret of NMC is the combination of nickel and manganese. Similarly, salt, the main components of which are sodium and chloride themselves, is toxic, but they are mixed as seasoning salts and food preservatives. Nickel is famous for its high specific energy, but its stability is poor. Manganese spinel structure can achieve low internal resistance but low specific energy. The two active metals complement each other. 

NMC is the preferred battery for power tools, electric bicycles and other electric power systems. The cathode assembly is usually one third nickel, one third manganese and one third cobalt, also known as 1-1-1. This provides a unique mixture that reduces the cost of raw materials due to a reduction in cobalt content. Another successful combination is NCM, which contains five copies of nickel, three copies of cobalt and two copies of manganese (5-3-2). Other combinations of different cathode materials can also be used.

Because of the high cost of cobalt, battery manufacturers have shifted from cobalt to nickel cathodes. Nickel-based systems have higher energy density, lower cost and longer cycle life than cobalt-based batteries, but their voltages are slightly lower. 

New electrolytes and additives can charge a single battery to more than 4.4V, thus increasing the power consumption. Figure 7 shows the characteristics of NMC. 

NMC has good overall performance and excellent performance in specific energy. This battery is the preferred choice for electric vehicles, with the lowest self-heating rate.

Due to the good economic and comprehensive performance of the system, more and more attention has been paid to NMC hybrid lithium-ion batteries. Three active materials, nickel, manganese and cobalt, can be easily mixed to adapt to the wide application of automotive and energy storage systems (EES) requiring frequent recycling. The diversity of the NMC family is growing. 

breviation: NMC (NCM, CMN, CNM, MNC, MCN similar to different metal combinations) began in 2008.


typical battery operating range 3.0-4.2V or higher

Specific energy (capacity) 150-220 Wh/kg

Charging (C rate) 0.7-1C, charging to 4.20V, some to 4.30V; 3 hours typical charging. Charging current above 1C will shorten battery life.

Discharge (C rate) 1C; 2C may be feasible on some cores; 2.50V cut-off 

Cycle Life 1000-2000 (Dependent on Discharge Depth and Temperature)

Thermal runaway is typical 210 degree C (410 degree F). High charge promotes thermal runaway

Electric Bicycles, Medical Equipment, Electric Vehicles, Industry

Annotations provide high capacity and high power. Mixed core. Welcomed by many uses, the market share is increasing.

Pub Time : 2019-03-11 14:07:28 >> News list
Contact Details

Contact Person: Ms. Alice

Tel: 13928880191

Fax: 852--51230576

Send your inquiry directly to us (0 / 3000)



Factory Address:No.27 BOWANG Street ,Nan Cun Town, Panyu, Guangzhou, GD,China