Comparison data among various Lithium base batteries:

 

	C-LiFePO4	LiCoO2	LiMn2O4	Li(NiCo)O2
SAFETY AND ENVIRONMENTAL CONCERN	Excellent, Best among all existing batteries	Not stable every dangerous	Acceptable	Not stable very dangerous
CYCLE LIFE	Excellent Best among all the listed groups	Acceptable	Unacceptable	Acceptable
POWER WEIGHT DENSITY	Acceptable	Good	Acceptable	Best
LONG TERM COST	Excellent Most economic	High	Acceptable	High
WORKING TEMP.	Excellent (-45℃~ 70℃)	Decayed beyond 55℃ ~ -20℃	Decayed extremely fast over 50℃	Decayed extremely fast over 55℃ ~-20℃
REMARK	Although, Lead Acid battery is lower in cost and safety acceptable; however, with extremely toxic, worse for the environmental concern, short cycle life, heavy in weight, therefore, we don't put it as a group for comparison. Nickel Hydride battery has a characteristic of low Power Weight Density, decayed faster under the high temperature, worse in memory effect, not suitable for high output usage. The C-coated Lithium Iron Phosphate Battery has been proven as the most environmental friendly battery. It is the safest and most suitable for high output usage. It is also the best for storage battery usage.

 *Before employing the HIPOWER® batteries in any applications, an approval must be issued by HIPOWER®.

 

 Performance of C-LiFePO4

 

18650 Cylindrical Batteries	C-LiFePO4
Discharge Capacity. vs. Voltage (1.5C charge / nC discharge)
Discharge Capacity (Ah) Max. Discharge 15C (25℃)

 

 

* The performances of the un-shown batteries can be acquired upon requests.

 

  Why HIPOWER®

There are three types of lithium ion batteries based on different cathode materials. They are lithium cobalt oxide, lithium manganese oxide and lithium iron phosphate types. Although lithium cobalt oxide battery owns the advantage of high energy density, it is suffered by the safety concerns and material rarity. Lithium manganese oxide battery has been evaluated for the application on high rate due to the better safety characteristics. However, its high temperature performance is the major drawback. Lithium Iron Phosphate battery has the best safety characteristics, long cycle life (>1000 cycles) and good resource availability. It is very suitable for high discharge rate occasions such as EV including e-bike, electric scooter, and electric car etc., power tools, UPS and solar energy system etc. For further enhance Lithium batteries’ safety, efficiency and performance life, HIPOWER® has developed an unique battery protection circuit which features over-voltage, under-voltage, over-current, short-circuit and over-heat protections so that the HIPOWER® C-LiFePO4 batteries can always perform normally even under abused working condition.  

Due to the shortage of fossil fuel and the environment concerns, the green energy industry and related industries will become the main stream in the coming 30-50 years. Therefore, the application of the renewable energy including solar energy, wind energy, hydroelectricity has attracted more and more attention. This causes the strong demand for new type rechargeable storage batteries such as Lithium batteries. However, the existing lithium ion batteries systems including lithium cobalt oxide and lithium manganese oxide still suffer from raw material availability, low discharge rate, safety and environmental concerns and short cycle life. To solve those issues, HIPOWER® has successfully developed a new lithium ion battery by using lithium iron phosphate as cathode to fulfill the above requirements. According to different applications, HIPOWER® can modify the design of battery pack to provide the best solution satisfying customer’s needs.

Hipower LiFePO4 battery Does not have the security hidden danger

When phosphate batteries is overcharged under 3A 5V, temperature of the battery could not surpass 55°C, the battery is extremely safe; Heats up after 7-8 hour to 300°C in hot box process, battery temperature nearly the same with temperature of hot box, the battery cannot appear hotly out of control; after extrusion or acupuncture, the battery temperature cannot surpass 110°C.

　

The safety of lithium battery is guaranteed by using LiFePO4 as anode pole. LiFePO4 is one kind of phosphate gathering the anion, the P-O chemical bond is extremely strong, material is thermodynamically stable, do not worry about it can release the oxygen, simultaneously LiFePO4's olivine crystal structure decides its crystal lattice deformation smaller in the sufficient electric discharge process, its material structure is stable and safe, and also its cycle life are extremely long. These characteristics also can make LiFePO4 withstand oxidation and acidic environment, the battery has more electrolyte choice, the battery performance can be optimized.

  

SUMMARY

Hipower LIFEPO4 LITHIUM BASE BATTERY IS SAFE, ENVIRONMENT-FRIENDLY , LONG CYCLE LIFE AND FLEXIBILE –SHALL BE THE BEST POWER SOLUTION

 

The safety characteristics inherent to LiFePo4 technology result

from the incorporation of phosphates as the cathode material.

Phosphates are extremely stable in overcharge or short circuit

conditions and have the ability to withstand high temperatures without decomposing. When abuse does occur, phosphates are not prone to thermal runaway and will not burn. As a result, LiFePo4 technology possesses safety characteristics that are fundamentally superior to those of Lithium-ion batteries made with other cathode materials.

LiFePo4 technology does not contain any heavy metals and does not

exhibit the "memory effect" of Nickel-Cadmium and Nickel-metal

Hydride solutions. LiFePo4 technology demonstrates excellent shelf

life, long cycle life and is maintenance free.

 

Another key benefit of our LiFePo4 technology is its flexibility,

both in terms of battery application and cell design. It can be used

in wound cylindrical, wound prismatic and polymer battery

construction types and manufactured to fit smaller applications,

            

The advantages of traditional Lithium-ion coupled with the safety

features of phosphates, make LiFePo4 technology the Lithium-ion

technology for the future. Our LiFePo4 Lithium-ion technology

utilizes natural, phosphate-based material and offers the greatest

combination of performance, safety, cost, reliability and             environmental characteristics.

      

We all use and take for granted the benefits of lithium-ion energy storage systems in our cell phones, notebooks, PDA's, consumer appliances and other devices. However, recent recalls by the US Consumer Protection Commission have brought to light the potential hazards of lithium-ion batteries. Just imagine what could happen to a large lithium-ion battery if an electric/hybrid electric vehicle were rear-ended or if a manufacturing defect or other abuse caused a thermal event in a mission critical telecom backup system. The results could be devastating.

 

Hipower is a pioneer in the development and commercialization of LiFePo4 technology---the only safe large format lithium-ion rechargeable battery technology. We sincerely hope to have chance to cooperate with our customers all over the world and contribute our latest world-wide technology to our customers prosperous business future.